Go: package main

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

var scanner = bufio.NewScanner(os.Stdin)

func nextString() string {
	scanner.Scan()
	return scanner.Text()
}

func nextInt() int {
	n, err := strconv.Atoi(nextString())
	if err != nil {
		fmt.Printf("strconv.Atoi failed: %v\n", err)
	}
	return n
}

func main() {
	scanner.Split(bufio.ScanWords)

	nQueries := nextInt()
	for i := 0; i < nQueries; i++ {
		lengths := []int{nextInt(), nextInt(), nextInt()}
		sort.Slice(lengths, func(i, j int) bool { return lengths[i] > lengths[j] })
		if math.Pow(float64(lengths[0]), 2) == math.Pow(float64(lengths[1]), 2)+math.Pow(float64(lengths[2]), 2) {
			fmt.Println("YES")
		} else {
			fmt.Println("NO")
		}
	}
}

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

#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,s,n) for(int i=(s);i<=(n);i++)
#define repr(i,n) for(int i=n-1;i>=0;i--)
#define REPR(i,s,n) for(int i=(s);i>=(n);i--)
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
#define Eunique(v) v.erase(unique(all(v)),v.end())
#define Eback(s) s.erase(s.end()-1,s.end())
#define rev(v) reverse(all(v))
#define minvec(v) *min_element(all(v))
#define maxvec(v) *max_element(all(v))
#define sumvec(v) accumulate(all(v),0LL)
#define mapmin(v) v.rbegin()->first
#define mapmax(v) v.begin()->first
#define pb push_back
#define pf push_front
#define m_p make_pair
#define DOUBLE fixed << setprecision(15)
#define OK cerr<<"OK\n"
#define OK1 cerr<<"OK1\n"
#define OK2 cerr<<"OK2\n"
#define SIZE(s) (int)s.size()
#define INF ((1LL<<62)-(1LL<<31))
#define zero(x,n) setw(x) << setfill('0') << n
#define endl '\n'

typedef long long ll;

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<long long> vll;
typedef vector<vll> vvll;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<char> vc;
typedef vector<vc> vvc;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<string> vs;

typedef pair<ll,ll> pll;
typedef pair<int,int> pii;
typedef vector<pair<int,int>> vpii;
typedef vector<pair<ll,ll>> vpll;

const double pi = acos(-1.0);
const ll mod=1000000007;
const ll mod2=998244353;

template<class A, class B>
ostream& operator<<(ostream& ost, const pair<A, B>&p) {
	ost << "{" << p.first << ", " << p.second << "} ";
	return ost;
}

template<class T>
ostream& operator<<(ostream& ost, const vector<T>&v) {
	ost << "{";
	for (int i = 0; i<(int)v.size(); i++) {
		if (i)ost << " ";
		ost << v[i];
	}
	ost << "} \n";
	return ost;
}

template<class A, class B>
ostream& operator<<(ostream& ost, const map<A, B>&v) {
	ost << "{";
	for (auto p:v) {
		ost << "{" << p.first << ", " << p.second << "} ";
	}
	ost << "} ";
	return ost;
}

template<class T>
inline bool chmax(T& a, T b){if(a<b){a=b;return true;} return false;}

template<class T>
inline bool chmin(T& a, T b){if(a>b){a=b;return true;} return false;}

void YES(bool b) {cout << ((b)?"YES\n":"NO\n");}
void Yes(bool b) {cout << ((b)?"Yes\n":"No\n");}
void yes(bool b) {cout << ((b)?"yes\n":"no\n");}
void Yay(bool b) {cout << ((b)?"Yay!\n":":(\n");}

ll powmod(ll a,ll b){ll c=1; while(b>0){ if(b&1){ c=a*c%mod; } a=a*a%mod; b>>=1; } return c;}
ll nCrmod(ll n,ll r){ll x=1,y=1; rep(i,r){x=x*(n-i)%mod; y=y*(i+1)%mod;} return x*powmod(y,mod-2)%mod;}
ll gcd(ll x, ll y) {return __gcd(x,y);}
ll lcm(ll x, ll y) {return x/__gcd(x,y)*y;}

int main()
{
	ll n;
	cin >> n;
	vs ans(n);
	rep(i,n){
		vll a(3);
		rep(j,3) cin >> a[j];
		sort(all(a));
		if(a[0]*a[0]+a[1]*a[1]==a[2]*a[2]) ans[i]="YES";
		else ans[i]="NO";
	}
	for(auto&& e:ans) cout << e << endl;
	return 0;
}

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

int main() {

//変数の宣言

	vector<int> a;
	int i,j,n,temp;


/////メイン処理/////

	cin >> n;
	
	for(j=0;j<n;j++){ 
//入力
		for(i=0;i<3;i++){
			cin >> temp;
			a.push_back(temp);
		}
		sort(a.begin(),a.end());
		
//出力
		if (a[0]*a[0] + a[1]*a[1] == a[2]*a[2]) {
			cout << "YES" <<endl;
		}else{
			cout << "NO" <<endl;
		}
		
	}
	
	return 0;
}

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

using namespace std;


int main(){
	int n;
	cin>>n;
	int hen1,hen2,hen3,saidai;

	for(int i=0;i<n;i++){
		cin>>hen1>>hen2>>hen3;

		saidai=hen1;
		if(saidai<hen2){
			saidai=hen2;
			hen2=0;
		}
		else if(saidai<hen3){
			saidai=hen3;
			hen3=0;
		}
		else if(saidai==hen1)
			hen1=0;
		if(saidai*saidai==hen1*hen1+hen2*hen2+hen3*hen3)
			cout<<"YES"<<"\n";
		else{
			cout<<"NO"<<"\n";
		}
	}
	
	
	return 0;
}

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

C++: #include <iostream>

int N;
int x, y, z;

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

    for(int i = 0; i<N; ++i) {
        std::cin >> x >> y >> z;
        
        int a = std::min(x, std::min(y, z));
        int c = std::max(x, std::max(y, z));
        int b = (x + y + z) - (a + c);

        if(a*a + b*b == c*c) {
            std::cout << "YES" << std::endl;
        } else {
            std::cout << "NO" << std::endl;
        }
    }
}

C++: #include<iostream>
#include<queue>
using namespace std;
priority_queue<int> q1;
int main(){
	int a,b,c,d,n;
	int i,j,k;
	bool s[1005];
	cin>>n;
	for(i=0;i<n;i++){
		for(j=0;j<3;j++){
			cin>>a;
			q1.push(a);
		}
		a=q1.top();
		q1.pop();
		b=q1.top();
		q1.pop();
		c=q1.top();
		q1.pop();
		if(a*a==b*b+c*c){
			s[i]=true;
		}else{
			s[i]=false;
		}
	}
	for(i=0;i<n;i++){
		if(s[i]==true){
			cout<<"YES"<<endl;
		}else{
			cout<<"NO"<<endl;
		}
	}
	return 0;
}

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

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

int main(){
    int len[3];
    int n,A,B,C;

    cin >> n;

    for(int i = 0; i < n; ++i){
        cin >> len[0] >> len[1] >> len[2];
        sort(len, len + 3);
        A = len[0] * len[0];
        B = len[1] * len[1];
        C = len[2] * len[2];
        if(A + B == C){
            cout << "YES" << endl;
        }else{
            cout << "NO" << endl;
        }
    }
}

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

int main(int argc, char const *argv[]){
	
	int side_1,side_2,side_3;
	int N;

	std::cin >> N;

	std::vector<bool> result(N);

	for (int i = 0; i < N; ++i){
		std::cin >> side_1 >> side_2 >> side_3;

		side_1 = pow(side_1,2);
		side_2 = pow(side_2,2);
		side_3 = pow(side_3,2);

		if( side_1+side_2==side_3 ||
			side_2+side_3==side_1 || 
			side_3+side_1==side_2 	){

			result[i] = true;
		}else{
			result[i] = false;
		}
	}

	for (int i = 0; i < result.size(); ++i){
		if(result[i]) std::cout << "YES" << std::endl;
		else std::cout << "NO" << std::endl;
	}

	return 0;
}