Go: package main

import "fmt"

func main() {
	var n int

	fmt.Scanf("%d", &n)

	var a, b, c int
	for i := 0; i < n; i++ {
		var isTriangle bool
		fmt.Scanf("%d %d %d", &a, &b, &c)

		if a*a == b*b+c*c || b*b == a*a+c*c || c*c == b*b+a*a {
			isTriangle = true
		}

		if isTriangle == true {
			fmt.Println("YES")
		} else {
			fmt.Println("NO")
		}
	}
}

C++: #include<iostream>
#include<algorithm>
#include<vector>
#include<string>
int main() {
	double a, b, c;
	std::vector<std::string>v;
	while(std::cin>>a>>b>>c){
		double max = std::max(a, std::max(b, c));
		if (2*max*max==a*a+b*b+c*c ) {
			v.push_back  ("yes");
		}
		else {
			v.push_back  ("no");
		}
	}
	for (double n = 0; n < v.size(); ++n) {
		std::cout << v[n] << std::endl;
	}
	return 0;
}

C++: #include <iostream>
#include <math.h>

using namespace std;

int main(int argc, char const* argv[])
{
	double a,b,c,n;

	cin >> n;

	for( int i = 0;i < n;i++ ){
		cin >> a >> b >> c;

		if( a == sqrt( b * b + c * c ) || b == sqrt( a * a + c * c ) || c == sqrt( a * a + b * b ) ) cout << "YES" << endl;
		else cout << "NO" << endl;
	}

	return 0;

}

C++: #include<iostream>
#include<vector>
using namespace std;

void judgement(int a,int b,int c) {
	if (a == b && b == c) {
		cout << "NO" << endl;
		return;
	}
	else if ((a ^ 2) == (b ^ 2) + (c ^ 2) || (b ^ 2) == (a ^ 2) + (c ^ 2) || (c ^ 2) == (a ^ 2) + (b ^ 2)) {
		cout << "YES" << endl;
		return;
	}
	else {
		cout << "NO" << endl;
		return;
	}
}

int main() {
	unsigned int n;//dataset

	cin >> n;

	vector<int> vector_a;
	vector<int> vector_b;
	vector<int> vector_c;

	for (int i = 0; i < n; i++)
	{
		int a, b, c;
		cin >> a >> b >> c;
		vector_a.push_back(a);
		vector_b.push_back(b);
		vector_c.push_back(c);
	}

	for (int i = 0; i < n; i++) {
		judgement(vector_a[i], vector_b[i], vector_c[i]);
	}

	return 0;

}

C++: #include <iostream>
#include <algorithm>

bool judge_triangle(int j_edge[])
{
    std::sort(j_edge, j_edge + 2); 
    return j_edge[2] * j_edge[2] == j_edge[0] * j_edge[0] + j_edge[1] * j_edge[1];
}

int main()
{
    int num;
    std::cin >> num;

    for (int i = 0; i < num; i++) {

        int edge[3];
        std::cin >> edge[0] >> edge[1] >> edge[2];

        if (judge_triangle(edge)) {
            std::cout << "YES" << std::endl;
        } else {
            std::cout << "NO" << std::endl;
        }
    }   
    return 0;
}

C++: #include <iostream>
#include <stdio.h>
#include <vector>
#include <algorithm>
#include <math.h>

int main() {
    int n;
    
    scanf("%d", &n);
    for (int i = 0; i < n; i++) {
        std::vector<int> V;
        int a, b, c; std::cin >> a >> b >> c;
        V.push_back(pow(a,2)); V.push_back(pow(b, 2)); V.push_back(pow(c, 2));
        std::sort(V.begin(), V.end());
        if (V[2] == V[1] + V[0]) printf("YES\n");
        else printf("NO\n");
    }
    
    return 0;
}

C++: #include <iostream>

bool checkTriangle(int a, int b, int c)
{
	if((a >= b) && (a >= c)) {
		return (a*a == (b*b + c*c));
	} else if((b >= a) && (b >= c)) {
		return (b*b == (a*a + c*c));
	} else {
		return (c*c == (a*a + b*b));
	}
}

int showResult(int a, int b, int c)
{
	if(checkTriangle(a,b,c)) {
		std::cout << "YES" << std::endl;
	} else {
		std::cout << "NO" << std::endl;
	}
	return 0;
}
	
int main()
{
	int N, a, b, c = 0;
	std::cin >> N;
	
	if(N == 0) {
		return 0;
	}
	for(int i = 0; i < N; i++) {
		std::cin >> a >> b >> c;
		showResult(a, b, c);
	}
	return 0;	
}

C++: #include<iostream>
#include <algorithm>
 
using namespace std;
 
void triangleCal()
{
    int n;
    int side[3];
  
    cin >>n;
    
    while(n--)  //instead of "for"
    {
        cin >>side[0]>>side[1]>>side[2]; 
        
        sort(side, side+3); // sort date by ascending order
        
       if(side[2] * side[2] == side[1] * side[1] + side[0] * side[0]) 
       {
           cout <<"YES"<<endl;
       }
       else
       {
           cout <<"NO"<<endl;
       }
    }
    
    return;
}
   
int main(){
   
    triangleCal();
    return 0;
}

C++: #include <iostream>
using namespace std;
int main(void){
    int N;
    cin>>N;
    int i;
    for(i=0;i<=N-1;i++){
        int a,b,c;
        cin>>a>>b>>c;
        int A,B,C;
        A=a*a;
        B=b*b;
        C=c*c;
        if(A==B+C)  cout<<"YES";
        else if(B==A+C)  cout<<"YES";
        else if(C==A+B) cout<<"YES";
        else    cout<<"NO";
        cout<<endl;
    }
}

C++: #include<iostream>

using namespace std;

int main() {
	int n, a, b, c;
	cin >> n;
	while(n>0) {
		cin >> a >> b >> c;
		if(a > b && a > c){			
			if(a*a == b*b + c*c) cout << "YES" << endl;
			else cout << "NO" <<endl;
		
		}else if(b > a && b > c){			
			if(b*b == a*a + c*c) cout << "YES" << endl;
			else cout << "NO" <<endl;

		}else{			
			if(c*c == a*a + b*b) cout << "YES" << endl;
			else cout << "NO" <<endl;
		}
		n--;
	}
	return 0;
}

C++: #include<cstdio>
int main(){scanf("%*d");for(int a,b,c;~scanf("%d%d%d",&a,&b,&c);puts(b+c-a&&a+c-b&&a+b-c?"NO":"YES")){a*=a;b*=b;c*=c;}}

C++: #include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const ll MOD = 1e9 + 7/*998244353*/;
const ll INF = 1LL << 60;
ll mod_pow(ll, ll, ll); ll mod_fact(ll, ll); ll mod_inv(ll, ll); ll gcd(ll, ll); ll lcm(ll, ll);
//
int main(){
    int n;
    cin >> n;
    vector<string> s;
    for(int i = 0; i < n; i++){
        vector<int> nums(3);
        cin >> nums[0] >> nums[1] >> nums[2];
        sort(nums.begin(), nums.end());
        if(nums[0] * nums[0] + nums[1] * nums[1] == nums[2] * nums[2]) s.push_back("YES");
        else s.push_back("NO");
    }
    for(int i = 0; i < n; i++) cout << s[i] << "\n";
}

C++: #include<bits/stdc++.h>
using namespace std;

main(){
	int N;
	cin>>N;
	for(int i=0; i<N; ++i){
		int a[3];
		cin >> a[0] >> a[1] >> a[2];
		
		sort(a, a + 3);
		
		if( a[2]*a[2] == a[1]*a[1] + a[0]*a[0] ){
			puts("YES");
		}else{
			puts("NO");
		}
	}
}

C++: #include <iostream>
#include<string>
#include<math.h>
#include<stdio.h>
#include <algorithm>
using namespace std;
int main(void){
    // Here your code !

int a[10],n;
cin>>n;
for(int i=0;i<n;i++){
    for(int j=0;j<3;j++){
    cin>>a[j];
    }
    sort(a,a+3);
    if(a[2]*a[2]==a[1]*a[1]+a[0]*a[0]) cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
    
}



return 0;
}

C++: //http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0003&lang=jp
#include <iostream>
#include <string>
#include <cmath>
#include <algorithm>
#include <vector>
#include <map>

using namespace std;

bool ok(int a, int b, int c){
	int arr[3];
	arr[0] = a, arr[1] = b, arr[2] = c;
	sort(arr, arr+3);
	return arr[2]*arr[2] == arr[0]*arr[0] + arr[1]*arr[1];
}


int main(){
	int n;
	cin >> n;
	int a,b,c;
	for(int i=0; i<n; i++){
		cin >> a >> b >>c;
		if(ok(a,b,c)) cout << "YES" << endl;
		else cout <<"NO" << endl;
	}
	return 0;
}

C++: # include <iostream>
# include <algorithm>

int n;
int edge[3];

int main() {
	for (int i = 0; i < n; ++i) {
		for (int j = 0; j < 3; ++j)
			std::cin >> edge[i];
		std::sort(edge, edge + 3);
		if (edge[2] * edge[2] == edge[0] * edge[0] + edge[1] * edge[1])
			std::cout << "YES" << std::endl;
		else
			std::cout << "NO"<<std::endl;
	}
	return 0;
}

C++: #include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
	ci<<n;
	while(n--){
		vector<int> v(3);
		for (int i = 0; i < 3; ++i){
			cin>>v[i];
		}
		sort(v.begin(), v.end());
		if (v[2]*v[2] == v[0]*v[0] + v[1]*v[1])
			cout<<"YES";
		else
			cout<<"NO";
		cout<<endl;
	}
	return 0;
}