Go: package main

import (
	"bufio"
	"fmt"
	"math"
	"os"
	"sort"
	"strconv"
	"strings"
)

func sliceAtof64(sa []string) ([]float64, error) {
	si := make([]float64, 0, len(sa))
	for _, a := range sa {
		i, err := strconv.ParseFloat(a, 64)
		if err != nil {
			return si, err
		}
		si = append(si, i)
	}
	return si, nil
}

func answer(ans bool) {
	if ans {
		fmt.Println("YES")
	} else {
		fmt.Println("NO")
	}
}
func isRightTriangle(ary []float64) (ans bool) {
	sort.Sort(sort.Reverse(sort.Float64Slice(ary)))
	ans = math.Pow(ary[1], 2.0)+math.Pow(ary[2], 2.0) == math.Pow(ary[0], 2.0)

	return
}

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Scan()
	lineCount, _ := strconv.Atoi(scanner.Text())
	lines := make([]string, lineCount)

	for i := 0; i < lineCount; i++ {
		scanner.Scan()
		lines[i] = scanner.Text()
	}

	for _, v := range lines {
		ary, _ := sliceAtof64(strings.Split(v, " "))
		answer(isRightTriangle(ary))
	}
}

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

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


    }
    return 0;
}

C++: #include<iostream>

using namespace std;

int main() {
	int n;
	int a,b,c;
	cin >> n;
	for(int i=0;i<n;i++){
		std::string p = "NO";
		cin >> a >> b >> c;
		if (a>b && a>c && a*a==b*b+c*c){p = "YES";}
		if (b>a && b>c && b*b==a*a+c*c){p = "YES";}
		if (c>a && c>b && c*c==a*a+b*b){p = "YES";}
		cout << p << endl;
	}


	return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<vector>
#include<queue>
#include<deque>
#include<map>
#include<set>
#include<string>
#include<sstream>
#include<cstdio>
#include<cmath>
#include<cstring>
#include<cctype>
#include<climits>
using namespace std;
#define REP(i, j) for(int i = 0; i < j; i++)
#define FOR(i, j, k) for(int i = j; i < k; i++)
#define P pair<int, int>
const int INF = INT_MAX / 2;

int main(){
    int n;
    cin >>n;
    REP(i, n){
        int a, b, c;
        cin >>a >>b >>c;
        bool ans = false;

        if(a * a + b * b == c * c) ans = true;
        if(a * a + c * c == b * b) ans = true;
        if(b * b + c * c == a * a) ans = true;

        if(ans) cout <<"YES" <<endl;
        else cout <<"NO" <<endl;
    }

    return 0;
}

C++: #include<stdio.h>
 
int main() {
    int N;
    int i;
    int a, b, c;
 
    scanf("%d\n", &N);
 
    for(i = 0; i < N; i++) {
        scanf("%d %d %d", &a, &b, &c);
        if (a > b && a > c)
            if (a*a == b*b + c*c)
                printf("YES\n");
            else
                printf("NO\n");
        else if(b > a && b > c)
            if(b*b == a*a + c*c)
                printf("YES\n");
            else
                printf("NO\n");
        else
            if(c*c == a*a + b*b)
                printf("YES\n");
            else
                printf("NO\n");
    }
    return 0;
}

C++: #include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <map>
#include <sstream>
#include <functional>
#include <numeric>
#include <cmath>
#include <cstring>
#include <queue>
#include <stack>
#include <set>

using namespace std;

#define ALL(co) co.begin(), co.end()

typedef long long LL;
typedef pair<int, int> P;
typedef pair<P, P> PP;
typedef vector<int> Array;
typedef vector<int> LArray;

void readAll(Array& vec, int n) { for (int i = 0; i < n; i++) cin >> vec[i]; }

int m, n;


int main(void)
{
	while(cin >> n && n)
	{
		for (int i = 0; i < n; i++)
		{
			Array arr(3);
			readAll(arr, n);
			sort(ALL(arr));
			cout << (arr[2] * arr[2] == arr[0] * arr[0] + arr[1] * arr[1] ? "YES" : "NO") << endl;
		}
		return 0;
	}
	return 0;
}

C++: #include <cstdio>
#include <vector>
#include <algorithm>

using namespace std;

bool isRightTriangle(int a, int b, int c)
{
	return (a * a == b * b + c * c);
}

int main()
{
	int n;
	scanf("%d", &n);

	for (int i = 0; i < n; i++){
		vector<int> triangle;
		for (int j = 0; j < 3; j++){
			int edge;
			scanf("%d", &edge);
			triangle.push_back(edge);
		}
		sort(triangle.begin(), triangle.end());
		puts(isRightTriangle(triangle[2], triangle[1], triangle[0]) ? "YES" : "NO");
	}
	return (0);
}

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

int main() {
  int n,a,b,c;
  std::cin >> n;
  for(int i=0;i<n;i++) {
    scanf("%d %d %d", &a, &b, &c); 
    std::vector<int> v;
    v.push_back(a);
    v.push_back(b);
    v.push_back(c);
    sort(v.begin(),v.end());
    if((a*a)+(b*b)==(c*c)) {
      std::cout << "YES" << std::endl;
    }
    else {
      std::cout << "NO" << std::endl;
    }
  }
}

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

int main() {
    int n;
    std::vector<int> V;
    
    scanf("%d", &n);
    for (int i = 0; i < n; i++) {
        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>
#include <cmath>
#include <vector>
#include <algorithm>
using namespace std;

int main()
{
	vector <int> v_c;
	v_c.resize(3);
	double e =2.0;
	int N;
	//data set
	cin >> N;
	for(int i = 0; i < N; ++i)
	{
		cin >> v_c[0] >> v_c[1] >> v_c[2];
		sort(v_c.begin(),v_c.end(),greater<int>());
		if( pow(v_c[0],e) == (pow(v_c[1],e)+pow(v_c[2],e)))
		{
			cout << "YES"<<endl;
		} else {
			cout << "NO" << endl;
		}
	}
	return 0;
}

C++: #include <cstdio>
#include <iostream>
#include <cmath>
#include <ctype.h>
#include <string> 
#include <sstream>
#include <iostream>
#include <algorithm>
#include <cstdlib>
#include <map>
#include <queue>
#include <utility>
#include <vector>
#include <set>
#include <list>
#include <cstring>
#include <stack>
   
using namespace std;

bool solve(int a, int b, int c)
{
    return (a * a + b * b == c * c);
}

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

C++: #include"bits/stdc++.h"

#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
   REP(i, v.size()) { if (i)os << " "; os << v[i]; }return os;
}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
   REP(i, v.size()) { if (i)os << endl; os << v[i]; }return os;
}

using namespace std;


void solve();

int main() {

   solve();
   return 0;

}

void solve() {

	vector<ll> v(3);
	ll n;

	cin >> n;

	REP(i, n) {
		cin >> v[0] >> v[1] >> v[2];
		cout << (v[0]*v[0]+v[1]*v[1]==v[2]*v[2] || v[0]*v[0]+v[2]*v[2]==v[1]*v[1] || v[1]*v[1]+v[2]*v[2]==v[0]*v[0]? "YES": "NO") << endl;
	}

}

C++: #include<iostream>
int main(){
	int a,b,c,n,i;
std::cin>>n;
for(i=0;i<n;i++){
	std::cin>>a>>b>>c;
	if(a*a==b*b+c*c)std::cout<<"YES"<<std::endl;
	else if(b*b==a*a+c*c)std::cout<<"YES"<<std::endl;
	else if(c*c==a*a+b*b)std::cout<<"YES"<<std::endl;
	else std::cout<<"NO"<<std::endl;
	}
return 0;}