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,a[10000][3];

	cin>>n;

	for(int i=1;i<=n;i++){
		cin>>a[i][0]>>a[i][1]>>a[i][2];
	}

	for(int i=1;i<=n;i++){
		if(a[i][0]*a[i][0]==a[i][1]*a[i][1]+a[i][2]*a[i][2] || a[i][1]*a[i][1]==a[i][0]*a[i][0]+a[i][2]*a[i][2] || a[i][2]*a[i][2]==a[i][1]*a[i][1]+a[i][0]*a[i][0]){
			cout<<"YES"<<endl;
		}
		else{
			cout<<"NO"<<endl;
		}
	}

	return 0;
}

C++: #include <cstdio>
#include <cmath>

using namespace std;

int main()
{
	int n, x, y, z;

	scanf("%d", &n );

	for ( int i = 0; i < n; i++ )
	{
		scanf("%d %d %d", &x, &y, &z );

		if ( pow( x, 2 ) + pow( y, 2 ) == pow( z, 2 ) || pow( x, 2 ) + pow( z, 2 ) == pow( y, 2 ) || pow( y, 2 ) + pow( z, 2 ) == pow( x, 2 ) )
		{
			printf("YES\n");
		}
		else
		{
			printf("NO\n");
		}
	}

	return 0;
}

C++: #include<iostream>
using namespace std;
int main()
{
	int a, b, c, d, c2, irekae, i, n;
	a = 0;
	b = 0;
	c = 0;
	d = 0;
	c2 = 0;
	cin >> n;
	for( i = 0; i < n; i++)
	{
		cin >> a >> b >> c;
		d = (a * a) + (b * b);
		c2 = (c * c); 
		if( d == c2 )
		{
			cout << "YES" << endl;
		}
		else
		{
			cout << "NO" << endl;
		}
	}
}

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

int main()
{
using namespace std;
	int i;
	scanf("%d",&i);

	for(;i>0;i--)
	{
		int l[3];
		scanf("%d %d %d",&l[0],&l[1],&l[2]);
		
		sort(l,l+3);
		if(l[2]*l[2]==l[0]*l[0]+l[1]*l[1])printf("YES\n");
		else printf("NO\n");

	}
	
return 0;

}

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

C++: #include<iostream>

int main(){
  int a,b,c;
  std::cin>>a;
  std::cin>>b;
  std::cin>>c;
  if (a*a==b*b+c*c) std::cout<<"YES";
  else if (b*b==a*a+c*c) std::cout<<"YES";
  else if (c*c==a*a+b*b) std::cout<<"YES";
  else std::cout<<"NO"<<std::endl;
  

	
	return 0;
}

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

vector<int> v(3);

void solve(){
	sort(v.begin(),v.end());
	if((v[2] * v[2]) == (v[1] * v[1] + v[0] * v[0])) cout << "YES" << endl;
	else cout << "NO" << endl;
}

int main(){
	int n;
	cin >> n;
	for(int j=1;j<=n;j++){
		for(int i=0;i<3;i++){
		cin >> v[i];
		}
		solve();
	}
	return 0;
}

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

int main() {
	int data_sets_num = 0;		//??\???????????????????????????????????°
	std::vector<string> result;
	
	cin >> data_sets_num;
	for (int i = 0; i < data_sets_num; i++) {
		int first, second, third;

		cin >> first >> second >> third;
		if (
			(first * first == second * second + third * third) ||
			(second * second == first * first + third * third) ||
			(third * third == second * second + first * first)
			) {
			result.push_back("YES");
		}
		else {
			result.push_back("NO");
		}
	}

	for (unsigned int j = 0; j < result.size(); j++) {
		cout << result[j] << endl;
	}

	return 0;
}

C++: #include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<cmath>
using namespace std;
int main() {
	int n;
	cin >> n;
	for (int i=0;i < n;i++) {

		vector<int>v(3);
		for (int j=0;j < 3;j++) {
			cin >> v[j];
		}
		sort(v.begin(), v.end());
		if (v[3] * v[3] == v[1] * v[1] + v[2] * v[2]) {
			cout << "YES" << endl;
		}
		else {
			cout << "NO" << endl;
		}



	
		
		
		
	}
}

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

int main() {
	int x, n, m, l;
	vector<string> v;
	
	cin >> x;

	for(int i = 0; i < x; i++) {
		cin >> n >> m >> l;

		if(l*l == n*n + m*m) {
			v.push_back("Yes");
		} else {
			v.push_back("No");
		}
	}

	for(int i = 0; i < v.size(); i++) {
		cout << v[i] << endl;
	}

	return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<string>
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[0]*a[0]+a[1]*a[1]==a[2]*a[2])cout<<"YES"<<endl;
		else cout<<"NO"<<endl;
	}
	return 0;
	}

C++: //
//  main.cpp
//  b
//
//  Created by h3037178 on 2017/07/31.
//  Copyright ?? 2017??´ ?????£?????????. All rights reserved.
//

#include <iostream>
#include<algorithm>
#include<math.h>
using namespace std;
int main(){
    int n,a,i[3],f[3];
    cin>>n;
    if(n>1000){
        break;
    }
    for(int l=0;l<n;l++){
                for(a=0;a<3;a++){
            cin>>i[a];
            f[a]=i[a]^2;
        }
        if(i[a]<=0||i[a]>1000){
                break;
            }
        sort(f,f+3);
        if(f[2]==f[0]+f[1]){
            cout<<"YES"<<endl;
        }else{
            cout<<"NO"<<endl;
        }
    }
}

C++: #include <iostream>
#include <cmath>
#define REP(i,n) for(int i=0;i<n;i++)
using namespace std;

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

C++: #include <iostream>

using namespace std;

void solve(int a, int b, int c) {
	bool f = false;
	if (a + b > c) f = true;
	else if (a + c > b) f = true;
	else if (b + c > a) f = true;
	if (f) cout << "YES" << endl;
	else cout << "NO" << endl;
}

int main() {
	int num, a, b, c;
	cin >> num;
	for (int i=0; i<num; i++) {
		cin >> a >> b >> c;
		solve(a,b,c);
	}
	return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
int a[1007],b[1007],c[1007],d,n;


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

C++: #include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include<iomanip>
#include <cmath>
#include <queue>
#include <stack>
#include <map>
#include <cstdio>

using namespace std;

int main()
{
	int T;
	cin>>T;
	
	for (int ca = 1; ca <= T; ++ca)
	{
		int a, b, c;
		cin>>a>>b>>c;
		a *= a;
		b *= b;
		c *= c;
		
		if (a+b ==c || a+c == b || a == b+c)
		{
			cout<<"YES"<<endl;
		}
		else
		{
			cout<<"NO"<<endl;
		}
	}
	return 0;
}