判断三角形形状

 1 #include<iostream>
 2 using namespace std;
 3 int main()
 4 {
 5     int n,a,b,c;
 6     cin >> n;
 7     while(n--)
 8     {
 9         cin >> a >> b >> c;
10         if(a*a+b*b==c*c||b*b+c*c==a*a||c*c+a*a==b*b)
11             cout <<"good"<<endl;
12         else if(a==b||a==c||b==c)
13             cout<<"perfect"<<endl;
14         else cout<<"just a triangle"<<endl;
15     }
16     return 0;
17 }