Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

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)
		fmt.Fprintln(out, checkTriangle(data))
	}
}

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
}

func checkTriangle(i []int) string {
	if checkSt(i[0], i[1], i[2]) || checkSt(i[1], i[2], i[0]) || checkSt(i[2], i[0], i[1]) {
		return "YES"
	}
	return "NO"
}
func Sq(x int) int {
	return x * x
}

func checkSt(a, b, c int) bool {
	return (Sq(a) + Sq(b)) == Sq(c)
}

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

int main() {
    int N;
    cin >> N;
    int a, b, c;
    while (N--) {
        cin >> a >> b >> c;
        int l=max(a,max(b,c));
        int x, y;
        if (a==l) {
            x=b;
            y=c;
        } else if (b==l) {
            x=a;
            y=c;
        } else if (c==l) {
            x=a;
            y=b;
        }
        if (l==sqrt(pow(x,2)+pow(y,2))) {
            printf("YES\n");
        } else {
            printf("NO\n");
        }
    }
    return 0;
}

C++: #include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cctype>
#include <cstring>
#include <sstream>
#include <string>
#include <vector>
#include <map>
#include <set>
#include <list>
#include <stack>
#include <queue>
#include <algorithm>
#include <complex>
#include <iterator>
using namespace std;

typedef pair<int, int> pii;
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<string> vs;

#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define tr(c, i) for(auto i = (c).begin(); i != (c).end(); i++)
#define rtr(c, i) for(auto i = (c).rbegin(); i != (c).rend(); i++)
#define repfn(i, a, cont, next) \
  for(auto i = (a); [=](){return(cont);}(); i = [=](){return(next);}())
#define repby(i, a, b, step) repfn(i, a, i < b, i + step)
#define repab(i, a, b) repby(i, (a), (b), 1)
#define rep(i, n) repab(i, 0, (n))
#define pb push_back
#define sz(c) int((c).size())

int main(int argc, char **argv)
{
  int N;
  vi v(3);
  cin >> N;
  while (N--) {
    cin >> v[0] >> v[1] >> v[2];
    sort(all(v));
    if (v[0]*v[0] + v[1]*v[1] == v[2]*v[2])
      cout << "YES" << endl;
    else
      cout << "NO" << endl;
  }
  return 0;
}

C++: #include <iostream>
#include <cmath>
#include <queue>
#include <vector>

using namespace std;

int main()
{
    double a,b,c;
    int n,i;
    priority_queue<double, vector<double>, greater<double>> que;
    cin >> n;
    for(i = 0; i < n; i++)
    {
        cin >> a >> b >> c;
        que.push(a);
        que.push(b);
        que.push(c);
        a = que.top();
        que.pop();
        b = que.top();
        que.pop();
        if(pow(que.top(), 2.0) == pow(a, 2.0) + pow(b, 2.0))
           cout << "YES" << endl;
        else
            cout << "NO" << endl;
        que.pop();
    }

    return 0;
}

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

int main()
{
	int nNum=0;
	cin>>nNum;
	int nIn[3]={0};
	while(nNum--)
	{
		cin>>nIn[0]>>nIn[1]>>nIn[2];
		int nMax=max(max(nIn[0],nIn[1]),nIn[2]);
		if(nMax*nMax*2==nIn[0]*nIn[0]+nIn[1]*nIn[1]+nIn[2]*nIn[2])
		{
			cout<<"YES"<<endl;
		}
		else
		{
			cout<<"NO"<<endl;
		}
	}
	return 0;
}

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

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

#define upper 1000
#define lower 1
#define eN 1000

using namespace std;

bool check(int e1, int e2, int e3){
	if (((e1*e1)+(e2*e2)) == (e3*e3)){
		return true;
	}
	else{
		false;
	}
}

int main(void){
	int N;
	cin >> N;

	vector<bool> result;

	for (int i=0; i<N; ++i){
		if (N == eN){
			break;
		}
		int e1, e2, e3;
		vector<int> len;
		cin >> e1 >> e2 >> e3;
		len.push_back(e1);
		len.push_back(e2);
		len.push_back(e3);
		sort(len.begin(), len.end());
		result.push_back(check(len[0],len[1],len[2]));
	}
	for (int i=0; i<N; ++i){
		if (result[i] == true){
			cout << "YES" << endl;
		}
		else{
			cout << "NO" << endl;
		}
	}
	return 0;
}

C++: #include<stdio.h>
#include<algorithm>

using namespace std;

int main(){
	int n,a,b,c;
	int m=0;
	scanf("%d",&n);
	for(int i=0;i<n;i++){
		int a[3];
		for(int j=0;j<3;j++)scanf("%d",&a[j]);
		std::sort(a,a+3);
		
		m=max(m,a[2]);
		
		int s = 9;
		if(a[0]*a[0]+a[1]*a[1] == a[2]*a[2]){
			if(m<=s)puts("YES");
			else puts("NO");
		}else{
			if(m<=s)puts("NO");
			else puts("YES");
		}
	}
}

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


int main(){

	int size;
	cin >> size;

	struct triangle{
		int elm[3];

		bool isRightTriangle(){
			for (int y = 0; y < 3; y++){
				for (int x = 0; x < 3; x++){
					if (y == x)continue;
					if (elm[y] / elm[x] == 2){
						return true;
					}
				}
			}
			return false;
		}
	};

	triangle *ary = new triangle[3];

	for (int i = 0; i < size; i++){
		cin >> ary[i].elm[0] >> ary[i].elm[1] >> ary[i].elm[2];
	}

	for (int i = 0; i < size; i++){
		cout << (ary[i].isRightTriangle() ? "YES" : "NO") << endl;
	}

	delete[] ary;

	return 0;
}

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

int main(){

	int a[3];
	int i,j;

	std::cin >> j;

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

C++: #include<stdio.h>
int main(void)
{
	int n,a,b,c,i,l;
	scanf("%d",&n);
	for(i=0;i<n;i++){
	l=0;
		scanf("%d %d %d",&a,&b,&c);
	if(a<c&&b<c){
		if(a*a+b*b==c*c){
		l=1;
			printf("YES\n");	
		}
	}
	else if(a<b&&c<b){
		if(a*a+c*c==b*b){
		l=1;
			printf("YES\n");
		}
	}
	else if(b<a&&c<a){
		if(c*c+b*b==a*a){
			l=1;
			printf("YES\n");
		}
	}
	if(l==0){
	printf("NO\n");
	}
	}
	return 0;