打印数字图案的程序-yiteyi-C++库

给定n的值，即行数，打印以下图案。 例如：

null

Input : n = 4Output :15 28 6 310 9 7 4Input : n = 6Output :17 212 8 316 13 9 419 17 14 10 521 20 18 15 11 6

方法： 方法是从每行的末尾开始打印图案。完成每行的最后一列后，从第二行的最后一列开始，依此类推。以下是该方法的实施情况：

C++

                         // C++ program to print the pattern                       
                         #include <bits/stdc++.h>                       
                         using                                     namespace                                     std;                       
           
                         // Function to print pattern                       
                         // for given value of n                       
                         void                                     pattern(                                     int                                     n)                       
                         {                       
                                                 int                                     p, k = 1;                       
                                   
                                                 // Outer "for" loop for number of rows                       
                                                 for                                     (                                     int                                     i = 1; i <= n; i++) {                       
                                   
                                                 // set the value of "p" as "k".                       
                                                 p = k;                       
           
                                                 // Inner "for" loop for number of columns                       
                                                 for                                     (                                     int                                     j = 1; j <= i; j++) {                       
                                   
                                                 // print the values                       
                                                 cout << p <<                                     " "                                     ;                       
                                   
                                                 // change in value of "p" for                       
                                                 // every elements after the first                       
                                                 // element of each row .                       
                                                 p = p - (n + j - i);                       
                                                 }                       
                                                 cout << endl;                       
           
                                                 // value of "k" for first                       
                                                 // element of every row.                       
                                                 k = k + 1 + n - i;                       
                                                 }                       
                         }                       
           
                         // Driver Code                       
                         int                                     main()                       
                         {                       
                                                 int                                     n = 5;                       
           
                                                 // Function calling                       
                                                 pattern(n);                       
           
                                                 return                                     0;                       
                         }                       

JAVA

                         // Java program to print the given pattern                       
                         import                                     java.util.*;                       
           
                         class                                     GfG {                       
           
                                                 // Function to print pattern for                       
                                                 // given value of n                       
                                                 static                                     void                                     pattern(                                     int                                     n)                       
                                                 {                       
                                                 int                                     p, k =                                     1                                     ;                       
                                   
                                                 // Outer "for" loop for number of rows                       
                                                 for                                     (                                     int                                     i =                                     1                                     ; i <= n; i++) {                       
                                   
                                                 // set the value of "p" as "k".                       
                                                 p = k;                       
           
                                                 // Inner "for" loop for number of columns                       
                                                 for                                     (                                     int                                     j =                                     1                                     ; j <= i; j++) {                       
                                   
                                                 // print the values                       
                                                 System.out.print(p);                       
                                                 System.out.print(                                     " "                                     );                       
                                   
                                                 // change in value of "p" for                       
                                                 // every elements after the                       
                                                 // first element of each row .                       
                                                 p = p - (n + j - i);                       
                                                 }                       
                                   
                                                 // Print the next line                       
                                                 System.out.println();                       
           
                                                 // value of "k" for first                       
                                                 // element of every row.                       
                                                 k = k +                                     1                                     + n - i;                       
                                                 }                       
                                                 }                       
           
                                                 // Driver Code                       
                                                 public                                     static                                     void                                     main(String[] args)                       
                                                 {                       
                                                 int                                     n =                                     5                                     ;                       
           
                                                 // Function calling                       
                                                 pattern(n);                       
                                                 }                       
                         }                       

Python 3

                         # Python 3 program to print the pattern                       
           
                         # Function to print pattern                       
                         # for given value of n                       
                         def                                     pattern(n):                       
           
                                                 k                                     =                                     1                       
                                   
                                                 # Outer "for" loop for number of rows                       
                                                 for                                     i                                     in                                     range                                     (                                     1                                     , n                                     +                                     1                                     ):                       
                                   
                                                 # set the value of "p" as "k".                       
                                                 p                                     =                                     k                       
           
                                                 # Inner "for" loop for number of columns                       
                                                 for                                     j                                     in                                     range                                     (                                     1                                     , i                                     +                                     1                                     ):                       
                                   
                                                 # print the values                       
                                                 print                                     (p , end                                     =                                     " "                                     )                       
                                   
                                                 # change in value of "p" for                       
                                                 # every elements after the first                       
                                                 # element of each row .                       
                                                 p                                     =                                     p                                     -                                     (n                                     +                                     j                                     -                                     i)                       
                                   
                                                 print                                     ("")                       
                                                 # value of "k" for first                       
                                                 # element of every row.                       
                                                 k                                     =                                     k                                     +                                     1                                     +                                     n                                     -                                     i                       
                                   
                         # Driver Code                       
                         n                                     =                                     5                       
           
                         # Function calling                       
                         pattern(n)                       
           
                         # This code is contributed by Smitha                       

C#

                         // C# program to print the given pattern                       
                         using                                     System;                       
           
                         class                                     GfG {                       
           
                                                 // Function to print pattern for                       
                                                 // given value of n                       
                                                 static                                     void                                     pattern(                                     int                                     n)                       
                                                 {                       
                                                 int                                     p, k = 1;                       
                                   
                                                 // Outer "for" loop for number                       
                                                 // of rows                       
                                                 for                                     (                                     int                                     i = 1; i <= n; i++) {                       
                                   
                                                 // set the value of "p" as "k".                       
                                                 p = k;                       
           
                                                 // Inner "for" loop for number                       
                                                 // of columns                       
                                                 for                                     (                                     int                                     j = 1; j <= i; j++) {                       
                                   
                                                 // print the values                       
                                                 Console.Write(p);                       
                                                 Console.Write(                                     " "                                     );                       
                                   
                                                 // change in value of "p" for                       
                                                 // every elements after the                       
                                                 // first element of each row .                       
                                                 p = p - (n + j - i);                       
                                                 }                       
                                   
                                                 // Print the next line                       
                                                 Console.WriteLine();                       
           
                                                 // value of "k" for first                       
                                                 // element of every row.                       
                                                 k = k + 1 + n - i;                       
                                                 }                       
                                                 }                       
           
                                                 // Driver Code                       
                                                 public                                     static                                     void                                     Main()                       
                                                 {                       
                                                 int                                     n = 5;                       
           
                                                 // Function calling                       
                                                 pattern(n);                       
                                                 }                       
                         }                       
           
                         // This code is contributed by anuj_67.                       

PHP

                         <?php                       
                         // PHP program to print the pattern                       
           
                         // Function to print pattern for                       
                         // given value of n                       
                         function                                     pattern(                                     $n                                     )                       
                         {                       
                                                 $p                                     ;                       
                                                 $k                                     = 1;                       
                                   
                                                 // Outer "for" loop for number of rows                       
                                                 for                                     (                                     $i                                     = 1;                                     $i                                     <=                                     $n                                     ;                                     $i                                     ++)                       
                                                 {                       
                                                 // set the value of "p" as "k".                       
                                                 $p                                     =                                     $k                                     ;                       
                                   
                                                 // Inner "for" loop for number of columns                       
                                                 for                                     (                                     $j                                     = 1;                                     $j                                     <=                                     $i                                     ;                                     $j                                     ++)                       
                                                 {                       
                                                 // print the values                       
                                                 echo                                     $p                                     ;                       
                                                 echo                                     " "                                     ;                       
                                   
                                                 // change in value of "p" for                       
                                                 // every elements after the                       
                                                 // first element of each row .                       
                                                 $p                                     =                                     $p                                     - (                                     $n                                     +                                     $j                                     -                                     $i                                     );                       
                                                 }                       
                                                 echo                                     ""                                     ;                       
                                   
                                                 // value of "k" for first                       
                                                 // element of every row.                       
                                                 $k                                     =                                     $k                                     + 1 +                                     $n                                     -                                     $i                                     ;                       
                                                 }                       
                         }                       
           
                         // Driver Code                       
           
                         $n                                     = 5;                       
           
                         // Function calling                       
                         pattern(                                     $n                                     );                       
           
                         ?>                       

Javascript

                         <script>                       
           
                         // JavaScript program to print the pattern                       
           
                                                 // Function to print pattern                       
                                                 // for given value of n                       
                                                 function                                     pattern(n) {                       
                                                 var                                     p, k = 1;                       
           
                                                 // Outer "for" loop for number of rows                       
                                                 for                                     (                                     var                                     i = 1; i <= n; i++) {                       
                                   
                                                 // set the value of "p" as "k".                       
                                                 p = k;                       
           
                                                 // Inner "for" loop for number of columns                       
                                                 for                                     (                                     var                                     j = 1; j <= i; j++) {                       
                                   
                                                 // print the values                       
                                                 document.write(p +                                     "  "                                     );                       
           
                                                 // change in value of "p" for                       
                                                 // every elements after the first                       
                                                 // element of each row .                       
                                                 p = p - (n + j - i);                       
                                                 }                       
                                                 document.write(                                     "<br>"                                     );                       
           
                                                 // value of "k" for first                       
                                                 // element of every row.                       
                                                 k = k + 1 + n - i;                       
                                                 }                       
                                                 }                       
           
                                                 // Driver Code                       
                                                 var                                     n = 5;                       
                                   
                                                 // Function calling                       
                                                 pattern(n);                       
                                   
                         </script>                       

输出：

16 210 7 313 11 8 415 14 12 9 5

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