Go: package main

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

var (
	sc = bufio.NewScanner(os.Stdin)
)

func main() {
	sc.Scan()
	n, _ := strconv.Atoi(sc.Text())
	for i := 0; i < n; i++ {
		sc.Scan()
		edges := make([]int, 3, 3)
		cols := sort.StringSlice(strings.Split(sc.Text(), " "))
		cols.Sort()
		for i, c := range cols {
			edges[i], _ = strconv.Atoi(c)
			edges[i] = int(math.Pow(float64(edges[i]), 2))
		}
		msg := "NO"
		if edges[2] == edges[0]+edges[1] {
			msg = "YES"
		}
		fmt.Println(msg)
	}
}

C++: #include <iostream>
#include <string>
#include <cstdlib>
using namespace std;
int       stoi( const std::string& str, size_t *pos = 0, int base = 10 )
{
    return std::strtol(str.c_str(), pos, base);
}
struct triangle
{
    triangle() { leg1 = leg2 = leg3 = 0; }
    bool isHyp()
    {
        if (leg1*leg1 + leg2*leg2 == leg3*leg3 || leg2*leg2 + leg3*leg3 == leg1*leg1 || leg3*leg3 + leg1*leg1 == leg2*leg2)
            return true;
        return false;
    }
    int leg1;
    int leg2;
    int leg3;
};
int main()
{
    int j;
    cin >> j;
    triangle* triData = new triangle[j];
    bool* results = new bool[j];
    string s;
    for (int i = 0; i < j; i++)
    {
        getline(cin, s, ' ');
        triData[i].leg1 = stoi(s);
        s.clear();
        getline(cin, s, ' ');
        triData[i].leg2 = stoi(s);
        s.clear();
        getline(cin, s);
        triData[i].leg3 = stoi(s);
        results[i] = triData[i].isHyp();
    }
    for (int i = 0; i < j; i++)
    {
        cout << (results[i] ? "YES" : "NO") << endl;
    }
    
    
    
    delete [] results;
    delete [] triData;
}

C++: #include <iostream>
using namespace std ;
 
bool solve(int x,int y, int z)
{
    if( (x * x) == (y * y + z * z) )
    {
        return true ;
    }
 
    return 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 ){ cout << "YES" << endl ; }
        else{ cout << "NO" << 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++) {
		cin >> a >> b >> c;
		if(a*a==b*b+c*c)
			cout << "YES" << endl;
		else if(b*b==c*c+a*a)
			cout << "YES" << endl;
		else if(c*c==a*a+b*b)
			cout << "YES" << endl;
		else
			cout << "NO" << endl;
	}
}

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

using namespace std;


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

	vector<bool> result(n);

	array<int, 3> triangle;
	for(int i = 0; i < n; i++){
		cin >> triangle[0] >> triangle[1] >> triangle[2];

		sort(begin(triangle), end(triangle), less<int>());

		const auto square = bind(pow<int, int>, placeholders::_1, 2);
		result[i] = 
			square(triangle[0]) == square(triangle[1]) + square(triangle[2]);
	}

	for(const bool& b : result){
		cout << (b ? "YES" : "NO");
	}

	return 0;
}

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

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

	return 0;
}

C++: #include<stdio.h>
#include<stdlib.h>
#include<iostream>
#include<string>
#include<algorithm>
#include<vector> 
#include<limits>
#include<numeric>
#include<math.h>
using namespace std;

#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define in(x) cin >> x
#define out(str) cout << str << endl

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

int N,a[3];

int main(){
    cin>>N;
    rep(i,N){
        rep(j,3){
            cin>>a[i];
        }
        sort(a,a+3);
        if(pow(2,a[0])+pow(2,a[1])==pow(2,a[2])){
            out("Yes");
        }
        else{
            out("No");
        }
    }
}

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

int main(){
        int n,a,b,c;
        std::cin >> n;
        for(int i=0;i<n;i++){
                std::cin >> a >> b >> c;
                std::multiset<int> st;
                st.insert(a);
                st.insert(b);
                st.insert(c);
                std::multiset<int>::iterator itr=st.begin();
                a = *itr; a = a*a;itr++;
                b = *itr; b = b*b;itr++;
                c = *itr; c = c*c;itr++;
                if(a+b == c) std::cout << "YES" << std::endl;
                else std::cout << "NO" << std::endl;
        }
        return 0;
}

C++: #include<cstdio>
#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
int main(){
  vector<int> ar;
  int n;
  int d;
  cin >> n;
  for(int i=0;i<n;i++){
    for(int j=0;j<3;j++){
      cin >> d;
      ar.push_back( d );
    }
    sort( ar.begin() , ar.end() , greater<int>() );
    int a = ar[0] * ar[0];
    int b = ar[1] * ar[1];
    int c = ar[2] * ar[2];
    if(a == (b + c)){
      cout << "YES" << endl;
    }else {
      cout << "NO" << endl;
    }
    ar.clear();
  }
}

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

C++: #include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  int a,b,c;
  int cnt[10000];
  memset(cnt,0,sizeof(cnt));
  cin>>n;
  for(int i=0;i<n;i++){
    cin>>a>>b>>c;
    if(a*a==b*b+c*c||b*b==a*a+c*c||c*c==a*a+b*b){
      cnt[i]=1;
    }
  }
  for(int i=0;i<n;i++){
    if(cnt[i]==1){
      cout<<"YES"<<endl;
    }else{
      cout<<"NO"<<endl;
    }
  }
  return(0);
}

C++: #include <bits/stdc++.h>
#ifdef dbg
#include "./printer.hpp"
#else
#define dump(x) void(0)
#endif

#define MOD 1000000007
using namespace std;
#define ll long long
inline long  toInt(string s) {long  v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}

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

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

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

int main(int argc, char** argv)
{
  int N;

  std::cin >> N;

  int a[3];

  while (N --) {
    std::cin >> a[0] >> a[1] >> a[2];

    std::sort(a + 0, a + 3);

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