三角形图案递增/递减程序-yiteyi-C++库

数字递增三角形图案 写一个程序来打印一个以给定数字N开始的递增三角形图案。 例如：

Input : 3Output : 3          4 5          6 7 8          4 5          3

下面给出了上述问题的实现。

null

C++

                         #include <iostream>                       
                         using                                     namespace                                     std;                       
                         int                                     main()                       
                         {                       
                                                 int                                     i, j, r, N, count;                       
                                                 N = 3;                                     // initializing N                       
                                                 N--;                       
                                                 r = 5;                       
                                                 for                                     (i = 0; i < r; i++) {                       
                                                 if                                     (i <= r / 2) {                       
                                                 count = N + 1;                       
                                                 for                                     (j = 0; j <= i; j++) {                       
                                                 N++;                       
                                                 cout << N <<                                     " "                                     ;                       
                                                 }                       
                                                 cout << endl;                       
                                                 }                       
                                                 else                                     {                       
                                                 N = count - (r - i);                       
                                                 count = N;                       
                                                 for                                     (j = i; j < r; j++) {                       
                                                 cout << N <<                                     " "                                     ;                       
                                                 N++;                       
                                                 }                       
                                                 cout << endl;                       
                                                 }                       
                                                 }                       
                         }                       

JAVA

                         // Java Program for incrementing                       
                         // or decrementing triangle pattern                       
                         import                                     java.io.*;                       
           
                         class                                     GFG                       
                         {                       
                         public                                     static                                     void                                     main(String args[])                       
                         {                       
                                                 int                                     i, j, r, N, count =                                     0                                     ;                       
                                                 N =                                     3                                     ;                                     // initializing N                       
                                                 N--;                       
                                                 r =                                     5                                     ;                       
                                                 for                                     (i =                                     0                                     ; i < r; i++)                       
                                                 {                       
                                                 if                                     (i <= r /                                     2                                     )                       
                                                 {                       
                                                 count = N +                                     1                                     ;                       
                                                 for                                     (j =                                     0                                     ; j <= i; j++)                       
                                                 {                       
                                                 N++;                       
                                                 System.out.print(N +                                     " "                                     );                       
                                                 }                       
                                                 System.out.println();                       
                                                 }                       
                                                 else                       
                                                 {                       
                                                 N = count - (r - i);                       
                                                 count = N;                       
                                                 for                                     (j = i; j < r; j++)                       
                                                 {                       
                                                 System.out.print(N +                                     " "                                     );                       
                                                 N++;                       
                                                 }                       
                                                 System.out.println();                       
                                                 }                       
                                                 }                       
                         }                       
                         }                       
           
                         // This code is contributed                       
                         // by Subhadeep Gupta                       

Python 3

                         # python 3 program to print incrementing                       
                         # and decrementing triangle pattern                       
                         if                                     __name__                                     =                                     =                                     "__main__"                                     :                       
           
                                                 N                                     =                                     3                                     # initializing N                       
                                                 N                                     -                                     =                                     1                       
                                                 r                                     =                                     5                       
                                                 for                                     i                                     in                                     range                                     ( r):                       
                                                 if                                     i <                                     =                                     r                                     /                                     /                                     2                                     :                       
                                                 count                                     =                                     N                                     +                                     1                       
                                                 for                                     j                                     in                                     range                                     (i                                     +                                     1                                     ):                       
                                                 N                                     +                                     =                                     1                       
                                                 print                                     (                                     str                                     (N), end                                     =                                     " "                                     )                       
                                   
                                                 print                                     ()                       
                                   
                                                 else                                     :                       
                                                 N                                     =                                     count                                     -                                     (r                                     -                                     i)                       
                                                 count                                     =                                     N                       
                                                 for                                     j                                     in                                     range                                     (i, r):                       
                                                 print                                     (                                     str                                     (N), end                                     =                                     " "                                     )                       
                                                 N                                     +                                     =                                     1                       
                                   
                                                 print                                     ()                       
           
                         # This code is contributed                       
                         # by ChitraNayal                       

C#

                         // C# Program for incrementing                       
                         // or decrementing triangle pattern                       
                         using                                     System;                       
           
                         class                                     GFG                       
                         {                       
                         public                                     static                                     void                                     Main()                       
                         {                       
                                                 int                                     i, j, r, N, count = 0;                       
                                                 N = 3;                                     // initializing N                       
                                                 N--;                       
                                                 r = 5;                       
                                                 for                                     (i = 0; i < r; i++)                       
                                                 {                       
                                                 if                                     (i <= r / 2)                       
                                                 {                       
                                                 count = N + 1;                       
                                                 for                                     (j = 0; j <= i; j++)                       
                                                 {                       
                                                 N++;                       
                                                 Console.Write(N +                                     " "                                     );                       
                                                 }                       
                                                 Console.Write(                                     ""                                     );                       
                                                 }                       
                                                 else                       
                                                 {                       
                                                 N = count - (r - i);                       
                                                 count = N;                       
                                                 for                                     (j = i; j < r; j++)                       
                                                 {                       
                                                 Console.Write(N +                                     " "                                     );                       
                                                 N++;                       
                                                 }                       
                                                 Console.Write(                                     ""                                     );                       
                                                 }                       
                                                 }                       
                         }                       
                         }                       
           
                         // This code is contributed                       
                         // by ChitraNayal                       

PHP

                         <?php                       
                         // PHP program for incrementing                       
                         // or decrementing triangle pattern                       
                         $N                                     = 3;                                     // initializing N                       
                         $N                                     --;                       
                         $r                                     = 5;                       
                         for                                     (                                     $i                                     = 0;                                     $i                                     <                                     $r                                     ;                                     $i                                     ++)                       
                         {                       
                         if                                     (                                     $i                                     <=                                     $r                                     / 2)                       
                         {                       
                                                 $count                                     =                                     $N                                     + 1;                       
                                                 for                                     (                                     $j                                     = 0;                                     $j                                     <=                                     $i                                     ;                                     $j                                     ++)                       
                                                 {                       
                                                 $N                                     ++;                       
                                                 echo                                     $N                                     .                                     " "                                     ;                       
                                                 }                       
                                                 echo                                     ""                                     ;                       
                         }                       
                         else                       
                         {                       
                                                 $N                                     =                                     $count                                     - (                                     $r                                     -                                     $i                                     );                       
                                                 $count                                     =                                     $N                                     ;                       
                                                 for                                     (                                     $j                                     =                                     $i                                     ;                                     $j                                     <                                     $r                                     ;                                     $j                                     ++)                       
                                                 {                       
                                                 echo                                     $N                                     .                                     " "                                     ;                       
                                                 $N                                     ++;                       
                                                 }                       
                                                 echo                                     ""                                     ;                       
                         }                       
                         }                       
           
                         // This code is contributed                       
                         // by ChitraNayal                       
                         ?>                       

Javascript

                         <script>                       
                                                 var                                     i, j, r, N, count;                       
                                                 N = 3;                                     // initializing N                       
                                                 N--;                       
                                                 r = 5;                       
                                                 for                                     (i = 0; i < r; i++) {                       
                                                 if                                     (i <= r / 2) {                       
                                                 count = N + 1;                       
                                                 for                                     (j = 0; j <= i; j++) {                       
                                                 N++;                       
                                                 document.write(N +                                     "  "                                     );                       
                                                 }                       
                                                 document.write(                                     "<br>"                                     );                       
                                                 }                                     else                                     {                       
                                                 N = count - (r - i);                       
                                                 count = N;                       
                                                 for                                     (j = i; j < r; j++) {                       
                                                 document.write(N +                                     "  "                                     );                       
                                                 N++;                       
                                                 }                       
                                                 document.write(                                     "<br>"                                     );                       
                                                 }                       
                                                 }                       
                                                 </script>                       

输出：

3 4 5 6 7 8 4 5 3

数字递减三角形图案写一个程序来打印一个数字递减三角形图案，从给定的数字N开始。 例如：

Input : 3Output : 3          5 4          8 7 6          5 4          3

下面给出了上述问题的实现。

C++

                         #include <iostream>                       
                         using                                     namespace                                     std;                       
                         int                                     main()                       
                         {                       
                                                 int                                     i, j, r, N, N1;                       
                                                 N1 = 3;                       
                                                 N = 0;                       
                                                 r = 5;                       
                                                 for                                     (i = 0; i < r; i++) {                       
                                                 if                                     (i <= r / 2) {                       
                                                 N = N1;                       
                                                 for                                     (j = 0; j <= i; j++) {                       
                                                 N++;                       
                                                 }                       
                                                 N1 = N;                       
                                                 for                                     (j = 0; j <= i; j++) {                       
                                                 N--;                       
                                                 cout << N <<                                     " "                                     ;                       
                                                 }                       
           
                                                 cout << endl;                       
                                                 }                       
                                                 else                                     {                       
                                                 for                                     (j = i; j < r; j++) {                       
                                                 N--;                       
                                                 cout << N <<                                     " "                                     ;                       
                                                 }                       
                                                 cout << endl;                       
                                                 }                       
                                                 }                       
                         }                       

JAVA

                         // Java program for incrementing                       
                         // and decrementing triangle pattern                       
                         class                                     GFG                       
                         {                       
                         public                                     static                                     void                                     main(String[] args)                       
                         {                       
                                                 int                                     i, j, r, N, N1;                       
                                                 N1 =                                     3                                     ;                       
                                                 N =                                     0                                     ;                       
                                                 r =                                     5                                     ;                       
                                                 for                                     (i =                                     0                                     ; i < r; i++)                       
                                                 {                       
                                                 if                                     (i <= r /                                     2                                     )                       
                                                 {                       
                                                 N = N1;                       
                                                 for                                     (j =                                     0                                     ; j <= i; j++)                       
                                                 {                       
                                                 N++;                       
                                                 }                       
                                                 N1 = N;                       
                                                 for                                     (j =                                     0                                     ; j <= i; j++)                       
                                                 {                       
                                                 N--;                       
                                                 System.out.print(N +                                     " "                                     );                       
                                                 }                       
           
                                                 System.out.println();                       
                                                 }                       
                                                 else                       
                                                 {                       
                                                 for                                     (j = i; j < r; j++)                       
                                                 {                       
                                                 N--;                       
                                                 System.out.print(N +                                     " "                                     );                       
                                                 }                       
                                                 System.out.println();                       
                                                 }                       
                                                 }                       
                         }};                       
           
                         // This code is contributed                       
                         // by ChitraNayal                       

Python 3

                         # python 3 program for incrementing                       
                         # and decrementing triangle pattern                       
                         if                                     __name__                                     =                                     =                                     "__main__"                                     :                       
           
                                                 N1                                     =                                     3                       
                                                 N                                     =                                     0                                     ;                       
                                                 r                                     =                                     5                                     ;                       
                                                 for                                     i                                     in                                     range                                     ( r):                       
                                                 if                                     i <                                     =                                     r                                     /                                     /                                     2                                     :                       
                                                 N                                     =                                     N1                       
                                                 for                                     j                                     in                                     range                                     (i                                     +                                     1                                     ):                       
                                                 N                                     +                                     =                                     1                       
                                   
                                                 N1                                     =                                     N                       
                                                 for                                     j                                     in                                     range                                     (i                                     +                                     1                                     ):                       
                                                 N                                     -                                     =                                     1                       
                                                 print                                     (N, end                                     =                                     " "                                     )                       
           
                                                 print                                     ()                       
                                   
                                                 else                                     :                       
                                                 for                                     j                                     in                                     range                                     (i, r):                       
                                                 N                                     -                                     =                                     1                       
                                                 print                                     (N, end                                     =                                     " "                                     )                       
                                   
                                                 print                                     ()                       
           
                         # This code is contributed                       
                         # by ChitraNayal                       

C#

                         // C# program for incrementing                       
                         // and decrementing triangle pattern                       
                         using                                     System;                       
           
                         class                                     GFG                       
                         {                       
                         public                                     static                                     void                                     Main()                       
                         {                       
                                                 int                                     i, j, r, N, N1;                       
                                                 N1 = 3;                       
                                                 N = 0;                       
                                                 r = 5;                       
                                                 for                                     (i = 0; i < r; i++)                       
                                                 {                       
                                                 if                                     (i <= r / 2)                       
                                                 {                       
                                                 N = N1;                       
                                                 for                                     (j = 0; j <= i; j++)                       
                                                 {                       
                                                 N++;                       
                                                 }                       
                                                 N1 = N;                       
                                                 for                                     (j = 0; j <= i; j++)                       
                                                 {                       
                                                 N--;                       
                                                 Console.Write(N +                                     " "                                     );                       
                                                 }                       
           
                                                 Console.Write(                                     ""                                     );                       
                                                 }                       
                                                 else                       
                                                 {                       
                                                 for                                     (j = i; j < r; j++)                       
                                                 {                       
                                                 N--;                       
                                                 Console.Write(N +                                     " "                                     );                       
                                                 }                       
                                                 Console.Write(                                     ""                                     );                       
                                                 }                       
                                                 }                       
                         }};                       
           
                         // This code is contributed                       
                         // by ChitraNayal                       

PHP

                         <?php                       
                         // PHP program for incrementing                       
                         // and decrementing triangle pattern                       
                         $N1                                     = 3;                       
                         $N                                     = 0;                       
                         $r                                     = 5;                       
                         for                                     (                                     $i                                     = 0;                                     $i                                     <                                     $r                                     ;                                     $i                                     ++)                       
                         {                       
                                                 if                                     (                                     $i                                     <=                                     $r                                     / 2)                       
                                                 {                       
                                                 $N                                     =                                     $N1                                     ;                       
                                                 for                                     (                                     $j                                     = 0;                                     $j                                     <=                                     $i                                     ;                                     $j                                     ++)                       
                                                 {                       
                                                 $N                                     ++;                       
                                                 }                       
                                                 $N1                                     =                                     $N                                     ;                       
                                                 for                                     (                                     $j                                     = 0;                                     $j                                     <=                                     $i                                     ;                                     $j                                     ++)                       
                                                 {                       
                                                 $N                                     --;                       
                                                 echo                                     $N                                     .                                     " "                                     ;                       
                                                 }                       
           
                                                 echo                                     ""                                     ;                       
                                                 }                       
                                                 else                       
                                                 {                       
                                                 for                                     (                                     $j                                     =                                     $i                                     ;                                     $j                                     <                                     $r                                     ;                                     $j                                     ++)                       
                                                 {                       
                                                 $N                                     --;                       
                                                 echo                                     $N                                     .                                     " "                                     ;                       
                                                 }                       
                                                 echo                                     ""                                     ;                       
                                                 }                       
                         }                       
           
                         // This code is contributed                       
                         // by ChitraNayal                       
                         ?>                       

Javascript

                         <script>                       
                         // Javascript program for incrementing                       
                         // and decrementing triangle pattern                       
           
                         let i, j, r, N, N1;                       
                                                 N1 = 3;                       
                                                 N = 0;                       
                                                 r = 5;                       
                                                 for                                     (i = 0; i < r; i++)                       
                                                 {                       
                                                 if                                     (i <= r / 2)                       
                                                 {                       
                                                 N = N1;                       
                                                 for                                     (j = 0; j <= i; j++)                       
                                                 {                       
                                                 N++;                       
                                                 }                       
                                                 N1 = N;                       
                                                 for                                     (j = 0; j <= i; j++)                       
                                                 {                       
                                                 N--;                       
                                                 document.write(N +                                     " "                                     );                       
                                                 }                       
                                   
                                                 document.write(                                     "<br>"                                     );                       
                                                 }                       
                                                 else                       
                                                 {                       
                                                 for                                     (j = i; j < r; j++)                       
                                                 {                       
                                                 N--;                       
                                                 document.write(N +                                     " "                                     );                       
                                                 }                       
                                                 document.write(                                     "<br>"                                     );                       
                                                 }                       
                                                 }                       
           
           
                         // This code is contributed by avanitrachhadiya2155                       
                         </script>                       

输出：

3 5 4 8 7 6 5 4 3

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