1543Egypt

题目描述

 A long time ago, the Egyptians figured out that a triangle with sides of length 3, 4, and 5 had a right angle as its largest angle. You must determine if other triangles have a similar property.

 

输入

 Input represents several test cases, followed by a line containing 0 0 0. Each test case has three positive integers, less than 30,000, denoting the lengths of the sides of a triangle.

 

输出

 For each test case, a line containing "right" if the triangle is a right triangle, and a line containing "wrong" if the triangle is not a right triangle.

 

示例输入

6 8 10
25 52 60
5 12 13
0 0 0

示例输出

right
wrong
right

提示

#include<stdio.h>
int main()
{
int a,b,c,t;
while(scanf("%d %d %d",&a,&b,&c),a||b||c)
{
if(a<b)
{t=a;a=b;b=t;}
if(a<c)
{t=a;a=c;c=t;}
if(b*b+c*c==a*a)
printf("right\n");
else
printf("wrong\n");
}
return 0;
}