本文主要是介绍十七周周赛A——Parallelepiped，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
虽然是水题，但是还是想把这灵光一现的想法记录下来。。
Description
You've got a rectangular parallelepiped with integer edge lengths. You know the areas of its three faces that have a common vertex. Your task is to find the sum of lengths of all 12 edges of this parallelepiped.
Input
The first and the single line contains three space-separated integers — the areas of the parallelepiped's faces. The area's values are positive( > 0) and do not exceed 104. It is guaranteed that there exists at least one parallelepiped that satisfies the problem statement.
Output
Print a single number — the sum of all edges of the parallelepiped.
Sample Input
1 1 1
12
4 6 6
28
1 2 3 4 5 6 7 8 9 10 11 12
#include <stdio.h>
#include <math.h>
int main()
{int x, y, z, a, b, c;scanf("%d%d%d",&x,&y,&z);a = sqrt((double)x / y * z);b = sqrt((double)x / z * y);c = y / b;printf("%d\n",4*(a+b+c));return 0;
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