Go: package main

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

func main() {
	n, _ := strconv.Atoi(strScan())
	scanner := bufio.NewScanner(os.Stdin)
	for i := 0; i < n; i++ {
		scanner.Scan()
		strArr := strings.Fields(scanner.Text())
		castNumArr := StringToInt(strArr)
		fmt.Println(checkTriangle(castNumArr))
	}
}

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)
}

func StringToInt(s []string) []int {
	var i []int
	for _, v := range s {
		castNum, err := strconv.Atoi(v)
		if err != nil {
			panic(err)
		}
		i = append(i, castNum)
	}
	return i
}

func strScan() (stringInput string) {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Scan()
	stringInput = scanner.Text()
	return
}

C++: //#define _USE_MATH_DEFINES
#define _CRT_SECURE_NO_WARNINGS
//#include <cstdio>
//#include <cstdlib>
//#include <cmath>
#include <iostream>
#include <algorithm>
//#include <cstring>
#include <vector>
#include <string>
#include <map>
#include <list>
#include <queue>
#include <set>
using namespace std;

int main(void){

	int N;
	
	cin >> N;
	
	for(int i = 0; i<3;i++){
		int a, b, c;
		cin >> a >> b >> c;
		if(a > b) swap(a, b);
		if(a > c) swap(a, c);
		if(b > c) swap(b, c);
		
		if(a * a + b * b == c * c) cout << "YES" <<endl;
		else cout << "NO" << endl;
		
	}

	return 0;
}

/*
for(i=0;i<N;i++){
	cin >> X[i];
}


for(i=0;i<N;i++){
	for(j=0;j<N;j++){
		cin >> X[i][j];
	}
}
*/

C++: #include <iostream>

using namespace std;

int main(void)
{
	int i;
	int a[3];

	for(i = 0; i < 3; i++){
		cin >> a[i];
	}
	a[0] = a[0]^2;
	a[1] = a[1]^2;
	a[2] = a[2]^2;

	if((a[0] == (a[1] + a[2])) || (a[1] == (a[0] + a[2])) || (a[2] == (a[0] + a[1]))){
		cout << "YES " << endl;
	}
	else{
		cout << "NO" << endl;
	}
	return 0;
	
}

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

int main(void) {
    int num; cin >> num;
    for(int r = 0; r <  num; r++) {
        int a, b, c; cin >> a >> b >> c;
        if(a*a + b*b == c*c) cout << "YES" << endl;
        else cout << "NO" << endl;
    }
    return(0);
}

C++: #define _USE_MATH_DEFINES
#include <cmath>

#include <iostream>
#include <string>

using namespace std;

int main()
{
	int n;
	int a,b,c;
	
	cin >> n;
	
	while (n)
	{
		cin >> a >> b >> c;
		
		if (pow(c, 2) == pow(a, 2) + pow(b, 2))
			cout << "YES" << endl;
		else
			cout << "NO" << endl;
		
		n--;
	}
	return 0;
}

C++: #include<iostream>

using namespace std;

int main(){

	int num,i,j;
	
	cout << "the number of data set: ";
	cin >> num;
	
	int a[num],b[num],c[num];
	
	for(i=0;i<num;i++){
		cin >> a[i] >> b[i] >> c[i];
	}
	
	int triangle[3];
	for(i=0;i<num;i++){
		triangle[0] = a[i];
		triangle[1] = b[i];
		triangle[2] = c[i];
		
		int max,max_num;
		max = triangle[0];
		max_num = 0;
		for(j=0;j<3;j++){
			if(max<triangle[j]){
				max = triangle[j];
				max_num = j;
			}
		}
		switch(max_num){
			case(0):if(a[i]*a[i] == b[i]*b[i] + c[i]*c[i]) cout << "YES\n";
					else cout << "NO\n";
					break;
			case(1):if(b[i]*b[i] == a[i]*a[i] + c[i]*c[i]) cout << "NO\n";
					else cout << "NO\n";
					break;
			case(2):if(c[i]*c[i] == a[i]*a[i] + b[i]*b[i]) cout << "YES\n";
					else cout << "NO\n";
					break;
			default:break;
		}
	}
	
	return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
#define mp make_pair
#define fi first
#define se second
#define ll long long
#define pb push_back

# define inOut(a,b) freopen(a,"r",stdin);freopen(b,"w",stdout);
# define RESET(a) memset(a,0,sizeof(a))
# define MEMO(a) memset(a,-1,sizeof(a))
# define DEBUG puts("Debug-Has-Come-Until-Here")


typedef pair<int,int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;

int main(){
	cin.tie(NULL);

	int T, arr[5];
	scanf("%d", &T);
	while(T--){
		scanf("%d %d %d", &arr[1], &arr[2], &arr[3]);
		sort(arr+1, arr+4);
		if (arr[1]*arr[1] + arr[2]*arr[2] == arr[3]*arr[3])
			printf("YES\n");
		else
			printf("NO\n");
	}
	return 0;
}

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

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

int main(){
    int times;
    cin >> times;

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

        int a2, b2, c2;
        a2 = pow(a,2);
        b2 = pow(b,2);
        c2 = pow(c,2);

        if (a2 == b2 + c2 || b2 == a2 + c2 || c2 == a2 + b2) {
            cout << "YES" << endl;
        } else {
            cout << "NO" << endl;
        }
    }

    return 0;
}

C++: #include <iostream>
#include <cmath>
 
using namespace std;
 
int main(){
	int a, b, c, n;
	
	cin >> n;

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

	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>
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;
}