C/C中的islessgreater（）++-yiteyi-C++库

在C++中，ISLeLeGrimeReor（）是用于数学计算的预定义函数。数学h是各种数学函数所需的头文件。 islessgreater（）函数用于检查给定给函数的第一个参数是否小于或大于给定给函数的第二个参数。意味着如果 A. 第一个论点是 B 第二个参数是否检查 a> b | | a 或者不是。 语法：

null

bool islessgreater(a, b)

CPP

                         // CPP code to illustrate                       
                         // the exception of function                       
                         #include <bits/stdc++.h>                       
                         using                                     namespace                                     std;                       
                                   
                         int                                     main()                       
                         {                       
                                                 // Take any values                       
                                                 int                                     a = 5;                       
                                                 double                                     f1 = nan(                                     "2.0"                                     );                       
                                                 bool                                     result;                       
                                   
                                                 // Since f1 value is NaN so                       
                                                 // with any value of a, the function                       
                                                 // always return false(0)                       
                                                 result = islessgreater(f1, a);                       
                                                 cout << f1 <<                                     " islessgreater than "                                     << a                       
                                                 <<                                     ": "                                     << result;                       
                                   
                                                 return                                     0;                       
                         }                       

输出：

nan islessgreater than 5: 0

例子：

节目：

CPP

                             // CPP code to illustrate                           
                             // the use of islessgreater function                           
                             #include <bits/stdc++.h>                           
                             using                                           namespace                                           std;                           
                                         
                             int                                           main()                           
                             {                           
                                                         // Take two any values                           
                                                         float                                           a, b;                           
                                                         bool                                           result;                           
                                                         a = 10.2;                           
                                                         b = 8.5;                           
                                         
                                                         // Since 'a' is not less than 'b'                           
                                                         // but greater than 'b' so answer                           
                                                         // is true(1)                           
                                                         result = islessgreater(a, b);                           
                                                         cout << a <<                                           " islessgreater than "                                           << b                           
                                                         <<                                           ": "                                           << result << endl;                           
                                         
                                                         int                                           x = 2;                           
                                         
                                                         // Since 'x' is not greater than 'b'                           
                                                         // but less than 'a' variable so answer                           
                                                         // is true(1)                           
                                                         result = islessgreater(x, a);                           
                                                         cout << x <<                                           " islessgreater than "                                           << a                           
                                                         <<                                           ": "                                           << result << endl;                           
                                         
                                                         a = 8.5;                           
                                         
                                                         // Since value of 'a' and 'b' are                           
                                                         // equal so answer is false(0)                           
                                                         result = islessgreater(a, b);                           
                                                         cout << a <<                                           " islessgreater than "                                           << b                           
                                                         <<                                           ": "                                           << result;                           
                                         
                                                         return                                           0;                           
                             }                           

输出：

10.2 islessgreater than 8.5: 1
2 islessgreater than 10.2: 1
8.5 islessgreater than 8.5: 0

申请： 这个函数可以在不同的地方使用，其中一个可以在线性搜索中使用。

CPP

                         // CPP code to illustrate the                       
                         // use of islessgreater function                       
                         #include <bits/stdc++.h>                       
                         using                                     namespace                                     std;                       
                                   
                         int                                     main()                       
                         {                       
                                                 // taking inputs                       
                                                 int                                     arr[] = { 5, 2, 8, 3, 4 };                       
                                                 int                                     n =                                     sizeof                                     (arr) /                                     sizeof                                     (arr[0]);                       
                                   
                                                 // Lets we want to search for 1 in                       
                                                 // the arr array                       
                                                 int                                     a = 1;                       
                                                 int                                     flag = 0;                       
                                   
                                                 for                                     (                                     int                                     i = 0; i < n; i++)                       
                                                 {                       
                                                 if                                     (islessgreater(arr[i], a))                       
                                                 {                       
                                                 flag = 1;                       
                                                 }                       
                                                 }                       
                                   
                                                 if                                     (flag == 0)                       
                                                 {                       
                                                 cout << a <<                                     " is present in array"                                     ;                       
                                                 }                       
                                   
                                                 else                       
                                                 {                       
                                                 cout << a <<                                     " is not present in array"                                     ;                       
                                                 }                       
                                                 return                                     0;                       
                         }                       

输出：

1 is not present in array

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