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"
	} else {
		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 <conio.h>
using namespace std ;

bool solve(int x,int y,int z) ;

bool ans = false ;

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

	bool ans = false ;

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

		if( a > b )
		{
			if( a > c )		// 最大値はa
			{
				ans = solve(a,b,c) ;
			}
			else if( a < c )	// 最大値はc
			{
				ans = solve(c,a,b) ;
			}
		}
		else if( a < b )
		{
			if( b > c )		// 最大値はb
			{
				ans = solve(b,a,c) ;
			}
			else if( b < c )	// 最大値はc
			{
				ans = solve(c,a,b) ;
			}
		}

		if( ans == true ){ cout << "YES" << "\n" ; }
		else{ cout << "NO" << "\n" ; }
	}

	_getch() ;
	return 0 ;
}

bool solve(int x,int y, int z)
{
	if( x*x == (y*y + z*z) )
	{
		return true ;
	}
	else
	{
		return false ;
	}
}

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

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

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

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

    cin >> n;
    for (int i=0; i<n; i++) {
        cin >> a >> b >> c;
        int d[3] = {a, b, c};
        sort(d, d+3);
        if (d[2] == sqrt(pow(d[0], 2) + pow(d[1], 2))) {
            cout << "YES" << endl;
        } else {
            cout << "NO" << endl;
        }
    }

    return 0;
}

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

int main()
{
  int n,a[1000],b[1000],c[1000],m;
  string ans[1000];

  cin>>n;
  for(int i=0; i<n; i++)
    cin>>a[i]>>b[i]>>c[i];
    
  for(int i=0; i<n; i++){
    m = max(a[i],b[i]);
    m = max(m,c[i]);
    if(m == a[i]){
      if(a[i] * a[i] == b[i] * b[i] + c[i] * c[i])
	ans[i] = "YES";
      else
	ans[i] = "NO";
      continue;
    }
    if(m == b[i]){
      if(b[i] * b[i] == a[i] * a[i] + c[i] * c[i])
	ans[i] = "YES";
      else
	ans[i] = "NO";
      continue;
    }
    if(m == c[i]){
      if(c[i] * c[i] == a[i] * a[i] + b[i] * b[i])
	ans[i] = "YES";
      else
	ans[i] = "NO";
    }
  }

  for(int i=0; i<n; i++)
    cout<<ans[i]<<endl;

  return 0;
}

C++: #include<bits/stdc++.h>
#define rep(i,n) for(int i=0; i<n; i++)
using namespace std;
int main(){
  int n;
  cin >> n;
  int a[3];
  rep(i,n){
    rep(j,3){
      cin >> a[j];
    }
    sort(a,a+3);
    rep(i,3) cout << a[i] << " ";
    if(pow(a[2],2) == pow(a[0],2)+pow(a[1],2)) cout << "YES" << endl;
    else cout << "NO" << endl;
  }
  return 0;
}

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

int main ()
{
	int a,b,c;
	int n;
	scanf ("%d",&n);
	for (int i=0;i<n;i++)
	{
		scanf ("%d%d%d",&a,&b,&c);
		if (a==0||b==0||c==0)
		printf ("NO\n"); 
		else
		{
			if (((pow(a,2)+pow(b,2))==pow(c,2))||((pow(a,2)+pow(c,2))==pow(b,2))||((pow(c,2)+pow(b,2))==pow(a,2)))
		    printf ("YES\n");
		    else
		    printf ("NO\n"); 
		}
	}
	return 0;
}

C++: 3
4 3 5
4 3 6
8 8 8

C++: #include <iostream>

using namespace std;

void triangle_check(int max, int x, int y);

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

    cin >> n;

    while (n-- > 0) {
        cin >> a >> b >> c;

        if (a > b) {
            if (a > c) {
                triangle_check(a, b, c);
            }
            else {
                triangle_check(c, a, b);
            }
        }
        else {
            if (b > c) {
                triangle_check(b, a, c);
            }
            else {
                triangle_check(c, a, b);
            }
        }
    }

    return 0;
}

void triangle_check(int max, int x, int y) {
    if ( max*max == x*x + y*y )
        cout << "YES" << endl;
    else
        cout << "NO" << endl;
}

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

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

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

C++: #include <bits/stdc++.h>
#define int long long
using namespace std;
const int INF = 1e9 + 7, MOD = 1e9 + 7;
const long long LINF = 1e18;
const int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
signed main() {
	int n;
	cin >> n;
	int a[3];
	for (int i = 0; i < n; i++) {
		cin >> a[0] >> a[1] >> a[2];
		sort(a, a + 3, greater<int>());
		if (a[0]*a[0] == a[1]*a[1] + a[2]*a[2]) {
			cout << "YES" << endl;
		} else {
			cout << "NO" << endl;
		}
	}
	return 0;
}

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

int main() {

    int N;
    cin >> N;

    int a[3];

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

        int maxIndex = 0;
        for(int j = 0; j < 2; j++) {
            if(a[j + 1] > a[j]) {
                maxIndex = j + 1;
            }
        }

        int q = 0;
        int w = 0;
        for(int k = 0; k < 3; k++) {
            if(k == maxIndex) {
                q = a[k] * a[k];
            } else {
                w += a[k] * a[k];
            }
        }

        if(q == w) {
            cout << "YES" << endl;
        } else {
            cout << "NO" << endl;
        }
    }

    return 0;
}

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

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

C++: #include<iostream>
#include <fstream>
#include <stdio.h>
#include <stdlib.h>
#define _USE_MATH_DEFINES
#include <math.h>
#include<string>
#include<vector>
#include<cmath>
#include<stack>
#include<queue>
#include<sstream>
#include<algorithm>
#include<map>
#include<complex>
using namespace std;


#define li			long long int
#define rep(i,to)	for(int i=0;i<((int)(to));i++)
#define repp(i,start,to)	for(int i=(int)(start);i<((int)(to));i++)
#define pb			push_back
#define sz(v)		((li)(v).size())
#define bgn(v)		((v).begin())
#define eend(v)		((v).end())
#define allof(v)	(v).begin(), (v).end()
#define dodp(v,n)		memset(v,(li)n,sizeof(v))
#define bit(n)		(1ll<<(li)(n))
#define mp(a,b)		make_pair(a,b)
#define rin	rep(i,n)
#define EPS 1e-10
#define ETOL 1e-8
#define MOD 1000000007
#define p2(a,b)		cout<<a<<"\t"<<b<<endl
#define p3(a,b,c)		cout<<a<<"\t"<<b<<"\t"<<c<<endl


int main(){
	li a[3];
	li n;
	cin>>n;
	
	rin{
		cin>>a[0]>>a[1]>>a[2];
		sort(a,a+3);
		if(a[0]*a[0]+a[1]*a[1]!=a[2]*a[2])puts("NO");
		else puts("YES");
	}
	
	return 0;
}

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

using namespace std;

int main() {
	int n;
	cin >> n;
	
	vector<int> v(3);
	int i = 0;
	while (i<n) {
		cin >> v[0] >> v[1] >> v[2];
		sort(v.begin(), v.end());
		if (sqrt(pow(v[0],2)+pow(v[1],2))==v[2]) cout << "YES" << endl;
		else cout << "NO" << endl;
		i++;
	}
	
	return 0;
}