可内接在等边三角形内的最大六边形
给定一个边长为 a 的等边三角形，任务是找到其中可以内切法的最大六边形。 例:
输入: a = 6 输出: 2 输入: a = 9 输出: 3
做法:从图中可以明显看出，这三个小三角形也是等边三角形。所以它们的边长 b = a / 3 其中 b 也是六边形的长度 a 是给定等边三角形的长度。 以下是上述方法的实施:
C++
// C++ program to find the side of the
// largest hexagon which can be inscribed
// within an equilateral triangle
#include <bits/stdc++.h>
using namespace std;
// Function to find the side
// of the hexagon
float hexagonside(float a)
{
// Side cannot be negative
if (a < 0)
return -1;
// Side of the hexagon
float x = a / 3;
return x;
}
// Driver code
int main()
{
float a = 6;
cout << hexagonside(a) << endl;
return 0;
}
Java 语言(一种计算机语言，尤用于创建网站)
// Java program to find the side of the
// largest hexagon which can be inscribed
// within an equilateral triangle
class CLG
{
// Function to find the side
// of the hexagon
static float hexagonside(float a)
{
// Side cannot be negative
if (a < 0)
return -1;
// Side of the hexagon
float x = a / 3;
return x;
}
// Driver code
public static void main(String[] args)
{
float a = 6;
System.out.println(hexagonside(a));
}
}
Python 3
# Python3 program to find the side of the
# largest hexagon which can be inscribed
# within an eqilateral triangle
# function to find the side of the hexagon
def hexagonside(a):
# Side cannot be negative
if a < 0:
return -1
# Side of the hexagon
x = a // 3
return x
# Driver code
a = 6
print(hexagonside(a))
# This code is contributed
# by Mohit kumar 29
C
using System;
// C# program to find the side of the
// largest hexagon which can be inscribed
// within an equilateral triangle
class CLG
{
// Function to find the side
// of the hexagon
static float hexagonside(float a)
{
// Side cannot be negative
if (a < 0)
return -1;
// Side of the hexagon
float x = a / 3;
return x;
}
// Driver code
public static void Main()
{
float a = 6;
Console.Write(hexagonside(a));
}
}
服务器端编程语言（Professional Hypertext Preprocessor 的缩写）
<?php
// PHP program to find the side of the
// largest hexagon which can be inscribed
// within an equilateral triangle
// Function to find the side
// of the hexagon
function hexagonside($a)
{
// Side cannot be negative
if ($a < 0)
return -1;
// Side of the hexagon
$x = $a / 3;
return $x;
}
// Driver code
$a = 6;
echo hexagonside($a) ;
// This code is contributed by Ryuga
?>
java 描述语言
<script>
// javascript program to find the side of the
// largest hexagon which can be inscribed
// within an equilateral triangle
// Function to find the side
// of the hexagon
function hexagonside(a)
{
// Side cannot be negative
if (a < 0)
return -1;
// Side of the hexagon
var x = a / 3;
return x;
}
// Driver code
var a = 6;
document.write(hexagonside(a));
// This code contributed by Princi Singh
</script>
Output:
2
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