水题
不用考虑它是不是三角形
直接就找出最大边用公式进行比较
#include<iostream>
#include<algorithm>
using namespace std;
int main()
{
int T;
int a, b, c;
while (cin >> T) {
while (T--) {
cin >> a >> b >> c;
if (a > max(b, c)) {
if (a*a == b * b + c * c) {
cout << "good" << endl;
}
else if (a == b || b == c || a == c) {
cout << "perfect" << endl;
}
else
cout << "just a triangle" << endl;
}
else {
if (b > c) {
if (b*b == a * a + c * c) {
cout << "good" << endl;
}
else if (a == b || b == c || a == c) {
cout << "perfect" << endl;
}
else
cout << "just a triangle" << endl;
}
else {
if (c*c == b * b + a * a) {
cout << "good" << endl;
}
else if (a == b || b == c || a == c) {
cout << "perfect" << endl;
}
else
cout << "just a triangle" << endl;
}
}}
}
return 0;
}