Go: package main
import (
    "fmt"
    "os"
    "bufio"
    "strconv"
    "sort"
)
 
var sc = bufio.NewScanner(os.Stdin)
var out = bufio.NewWriter(os.Stdout)
 
func main(){
    sc.Split(bufio.ScanWords)
    defer out.Flush()
    n := nextInt()
    for i:=0; i<n; i++{
        data := nextInts(3)
        sort.Ints(data)
        if data[0]*data[0]+data[1]*data[1] == data[2]*data[2]{
            fmt.Fprintln(out, "YES")
        }else{
            fmt.Fprintln(out, "NO")
        }
    }
}
 
func next() string{
    sc.Scan()
    return sc.Text()
}
 
func nextInt() int{
    a, _ := strconv.Atoi(next())
    return a
}
 
func nextInts(n int) []int{
    a := make([]int, n)
    for i:=0; i<n; i++{
        a[i] = nextInt()
    }
    return a
}

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

int main()
{
    int num;
    std::cin >> num; 
    int edge[3];

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

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

        // "edge" to "edge+3" ha "array edge" no memory jyou no
        // adress no hajimari to owari wo simesu. 
        // Yoku miru to kou natteru ==> [hajimari, owari)
        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;
        }

    }
}

C++: using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace CSharpPractice
{
	class Program
	{
		static bool IsRightTriangle(int a, int b, int c)
		{
			return a * a + b * b == c * c;
		}
		static void Main(string[] args)
		{
			int n = int.Parse(Console.ReadLine());
			for (int j = 0; j < n; j++)
			{
				List<int> list = new List<int>();
				foreach (string val in Console.ReadLine().Split(' '))
				{
					list.Add(int.Parse(val));
				}
				bool flg = false;
				for (int i = 0; i < 3; i++)
				{
					flg |= IsRightTriangle(list[i], list[(i + 1) % 3], list[(i + 2) % 3]);
				}
				Console.WriteLine(flg ? "YES" : "NO");
			}
		}
	}
}

C++: #include <iostream>                                             
#include <cmath>                                                
#include <queue>                                                
using namespace std;                                            
                                                                
int main() {                                                    
  int N;                                                        
  cin >> N;                                                     
  priority_queue<int> data;                                     
  while (N--) {                                                 
    int a, b, c;                                                
    cin >> a >> b >> c;                                         
    data.push(a);                                               
    data.push(b);                                               
    data.push(c);                                               
    a = data.top();                                             
    data.pop();                                                 
    b = data.top();                                             
    data.pop();                                                 
    c = data.top();                                             
    data.pop();                                                 
    if (pow(a,2)==pow(b,2)+pow(c,2)) {                          
      cout << "YES" << endl;                                    
    } else {                                                    
      cout << "NO" << endl;                                     
    }                                                           
  }                                                             
  return 0;                                                     
}

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

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

C++: #include<iostream>
#include<math.h>
#include<algorithm>
using namespace std;
int main(){
    int n,a[3],b[3],c,i[3],f[3],j,max,l,k,gou=0,gou2;
    float opi=4;
    cin>>n;
    for(l=0;l<n;l++){
        for(k=0;k<3;k++){
            cin>>a[k];
            if(a[k]>1000||a[k]<=0||l>1000){
                break;
            }
            b[k]=a[k]^2;
        }
        sort(b,b+3);
        if(b[2]==b[0]+b[1]){
            cout<<"YES"<<endl;
        }
        else{
            cout<<"NO"<<endl;
        }
    }
}

C++: #include <iostream>
#include <cmath>
#include <string>
#include <vector>
#include <map>
#include <set>
#include <list>
#include <deque>
#include <algorithm>
#include <iomanip>
#include <functional>

#define REP(i, n) for(int i = 0;i < (n); i++)
#define REP2(i, x, n) for(int i = (x); i < (n); i++)
#define REPR(i, n) for(int i = (n); i >= 0; i--)

#define ALL(a) (a).begin(),(a).end()
#define SORT(c) sort((c).begin(),(c).end())
#define DESCSORT(c) sort(c.begin(), c.end(), greater<int>())

#define LL long long int
#define LD long double

#define PI 3.14159265358979

using namespace std;

//================================================
int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	
	int N;
	cin >> N;
	vector<string>ans(N);

	REP(i, N) {
		vector<int>vec(3);
		REP(j, 3) cin >> vec[j];
		SORT(vec);

		int a = vec[0] * vec[0];
		int b = vec[1] * vec[1];
		int c = vec[2] * vec[2];

		if (a + b == c) ans[i] = "YES";
		else ans[i] = "NO";
	}

	REP(i, N) cout << ans[i] << "\n";
	return 0;
}

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

int main(){
	int a, b, c;
	int n;

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

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

	return 0;
}

C++: #include <cstdio>

int i,a,b,c;
int main()
{
	scanf("%d",i);
		while(i!=0)
		{
			scanf("%d %d %d",a,b,c);
			
			if(a+b>c&&b+c>a&&c+a>b)
			{
				printf("YES\n");
			}
			else if(c>=a+b||b+c>=a||c+a>=b)	
			{
				printf("NO\n");
			}
			i--;
		}

	return 0;
}

C++: #include <algorithm>
#include <cassert>
#include <cctype>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>

using namespace std;
int 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[1] + a[0]&&a[1]<a[2]+a[0]&&a[0]<a[1]+a[2]) { cout << "YES"; }
		else { cout << "NO"; }
		cout << endl;
		}
	return 0;

C++: //	??´?§?????§???¢ 
#include<iostream>
using namespace std;

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

C++: #include "iostream"
using namespace std;

int main()
{
	int n;
	cin>>n;
	int a[3];
	int b[3];
	int c[3];
	for(int i=0;i<n;i++)
	{
		cin>>a[i]>>b[i]>>c[i];
	}
	for(int j=0;j<n;j++)
	{
	    if(a[j]*a[j]+b[j]*b[j]==c[j]*c[j]||a[j]*a[j]+c[j]*c[j]==b[j]*b[j]||b[j]*b[j]+c[j]*c[j]==a[j]*a[j])
	   {
		   cout<<"YES"<<endl;
	   }
        else
		   cout<<"NO"<<endl;
	}
	return 0;
}