求三角形的周长-yiteyi-C++库

给定三角形的边（a，b，c），我们必须求出三角形的周长。

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周长： 三角形的周长是三角形边长的总和。

其中a，b，c是三角形边的长度。三角形的周长可以简单地用以下公式计算： $perimeter = (a + b + c)$

例如：

Input : a = 2.0, b = 3.0, c = 5.0
Output : 10.0


Input : a = 5.0, b = 6.0, c = 7.0 
Output : 18.0

推荐：请尝试你的方法 {IDE} 首先，在进入解决方案之前。

C++

                         // A simple C++ program to find the perimeter                       
                         // of triangle                       
                         #include <iostream>                       
                         using                                     namespace                                     std;                       
                                   
                         // Function to find perimeter                       
                         float                                     findPerimeter(                                     float                                     a,                                     float                                     b,                                     float                                     c)                       
                         {                       
                                   
                                                 // Formula for finding a perimeter                       
                                                 // of triangle                       
                                                 return                                     (a + b + c);                       
                         }                       
                                   
                         // Driver Code                       
                         int                                     main()                       
                         {                       
                                                 float                                     a = 2.0, b = 3.0, c = 5.0;                       
                                                 cout << findPerimeter(a, b, c);                       
                                                 return                                     0;                       
                         }                       
                                   
                         // This code is contributed by Ankita saini                       

C

                         // A simple C program to find the perimeter                       
                         // of triangle                       
                         #include <stdio.h>                       
                                   
                         // Function to find perimeter                       
                         float                                     findPerimeter(                                     float                                     a,                                     float                                     b,                                     float                                     c)                       
                         {                       
                                                 // Formula for finding a perimeter of triangle                       
                                                 return                                     (a + b + c);                       
                         }                       
                                   
                         // Driver Code                       
                         int                                     main()                       
                         {                       
                                                 float                                     a = 2.0, b = 3.0, c = 5.0;                       
                                                 printf                                     (                                     "%f"                                     , findPerimeter(a, b, c));                       
                                                 return                                     0;                       
                         }                       

JAVA

                         // Java program to find perimeter                       
                         // of triangle                       
                         class                                     Test {                       
                                                 static                                     float                                     findPerimeter(                                     float                                     a,                                     float                                     b,                                     float                                     c)                       
                                                 {                       
                                                 // Formula for Perimeter of triangle                       
                                                 return                                     (a + b + c);                       
                                                 }                       
                                   
                                                 // Driver method                       
                                                 public                                     static                                     void                                     main(String[] args)                       
                                                 {                       
                                                 float                                     a =                                     2.0                                     , b =                                     3.0                                     , c =                                     5.0                                     ;                       
                                                 System.out.println(findPerimeter(a, b, c));                       
                                                 }                       
                         }                       

python

                         # Python Program to find a perimeter                       
                         # of triangle                       
                                   
                         # Function to find perimeter                       
                         def                                     findPerimeter(a, b, c):                       
                                   
                                                 # Calculate the perimeter                       
                                                 return                                     (a                                     +                                     b                                     +                                     c)                       
                                   
                         # Driver Code                       
                         a                                     =                                     2.0                       
                         b                                     =                                     3.0                       
                         c                                     =                                     5.0                       
                         print                                     (findPerimeter(a, b, c))                       

C#

                         // C# program to find perimeter                       
                         // of triangle                       
                         using                                     System;                       
                                   
                         class                                     Test {                       
                                   
                                                 static                                     float                                     findPerimeter(                                     float                                     a,                       
                                                 float                                     b,                                     float                                     c)                       
                                                 {                       
                                   
                                                 // Formula for Perimeter of triangle                       
                                                 return                                     (a + b + c);                       
                                                 }                       
                                   
                                                 // Driver method                       
                                                 public                                     static                                     void                                     Main()                       
                                                 {                       
                                                 float                                     a = 2.0f, b = 3.0f, c = 5.0f;                       
                                   
                                                 Console.WriteLine(findPerimeter(a, b, c));                       
                                                 }                       
                         }                       
                                   
                         //This code is contributed by vt_m.                       

PHP

                         <?php                       
                         // A simple PHP program                       
                         // to find the perimeter                       
                         // of triangle                       
                                   
                         // Function to find perimeter                       
                         function                                     findPerimeter(                                     $a                                     ,                                     $b                                     ,                                     $c                                     )                       
                         {                       
                                   
                                                 // Formula for finding a                       
                                                 // perimeter of triangle                       
                                                 return                                     (                                     $a                                     +                                     $b                                     +                                     $c                                     );                       
                         }                       
                                   
                                                 // Driver Code                       
                                                 $a                                     = 2.0;                       
                                                 $b                                     = 3.0;                       
                                                 $c                                     = 5.0;                       
                                                 echo                                     findPerimeter(                                     $a                                     ,                                     $b                                     ,                                     $c                                     );                       
                                   
                         // This code is contributed by anuj_67.                       
                         ?>                       

Javascript

                         <script>                       
                                   
                         // JavaScript program to find perimeter                       
                         // of triangle                       
                         function                                     findPerimeter(a, b, c)                       
                         {                       
                                   
                                                 // Formula for Perimeter of triangle                       
                                                 return                                     (a + b + c);                       
                         }                       
                                   
                         // Driver Code                       
                         let a = 2.0, b = 3.0, c = 5.0;                       
                                   
                         document.write(findPerimeter(a, b, c));                       
                                   
                         // This code is contributed by code_hunt                       
                                   
                         </script>                       