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 <iostream>
#include <string>   
using namespace std;
 
int main(){
	int i;
	cin >> i;
	int a[i][3],b = 0;
	while(b < i){
		cin >> a[b][0] >> a[b][1] >> a[b][2];
		b++;
	}
	b = 0;
	string j = "NO";
	while(b < i){
		if(a[b][0]*a[b][0] + a[b][1]*a[b][1] == a[b][2]*a[b][2]){
			j = "YES";
		}
		if(a[b][0]*a[b][0] + a[b][2]*a[b][2] == a[b][1]*a[b][1]){
			j = "YES";
		}		
		if(a[b][1]*a[b][1] + a[b][2]*a[b][2] == a[b][0]*a[b][0]){
			j = "YES";
		}
	cout << j << endl;	
	b++;	
	}	


}

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

int main() {
  unsigned int n,a,b,c;
  std::cin >> n;
  for(unsigned int i=0;i<n;i++) {
    scanf("%d %d %d", &a, &b, &c); 
    std::vector<unsigned int> v;
    v.push_back(a);
    v.push_back(b);
    v.push_back(c);
    sort(v.begin(),v.end());
    if((v[0]*v[0])+(v[1]*v[1])==(v[2]*v[2])) {
      std::cout << "YES" << std::endl;
    }
    else {
      std::cout << "NO" << std::endl;
    }
  }
}

C++: #pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>

using namespace std;
using Int = long long;
typedef pair<int,int> Pi; typedef pair<Int,Int> Pl;
constexpr int mod = 1e9+7;
constexpr int INF32 = numeric_limits<int>::max();
constexpr Int INF64 = numeric_limits<Int>::max();
#define END {cout<<ans<<'\n'; return 0;}
#define ALL(v) (v).begin(),(v).end()
#define fi first
#define se second
#define mp make_pair
#define eb emplace_back
#define Pr(t) priority_queue<t>
#define gPr(t) priority_queue<t,vector<t>,greater<t>>
#define V(t) vector<t>
#define rer(i,l,r) for(int(i)=(l); (i)<(r); ++(i))
#define rep(i,n) rer(i,0,n)
#define gnr(i,l,r) for(int (i)=(r)-1; (i)>=(l); --(i))
#define pri(a) cout<<(a)<<'\n'
#define pri2(a,n) {rep(i,n-1)cout<<a[i]<<' '; if(n)cout<<a[n-1]<<'\n';}
#define prip(p) cout<<(p).fi<<' '<<(p).se<<'\n'
template<class T> inline bool cmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool cmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

int n,m,_,x,y,q;
string s,sb;
bool ok;
char cf,cb;

int main(){
  cin.tie(nullptr); ios::sync_with_stdio(0);
  //cout<<fixed<<setprecision(20);
  
  cin>>n;
  rep(i,n){
    int a[3]; cin>>a[0]>>a[1]>>a[2]; sort(a,a+3);
    pri(a[0]*a[0]+a[1]*a[1]==a[2]*a[2]?"YES":"NO");
  }
}

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

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

#define N 1000

struct{int a[3];} d[N];

int main(){
    int i,j,L;
    int longest,small;
    scanf("%d",&j);
    for(i=0; i<j;scanf("%d %d %d",&d[i].a[0],&d[i].a[1],&d[i].a[2]),i++);
    L=i;
    for(i=0;i<L;i++){        
        longest=0;
        for(j=0;j<3;j++)
            if(longest<d[i].a[j])
                longest=d[i].a[j];
        for(j=0;j<3;j++)
            if(d[i].a[j]!=longest)
                small+=pow(d[i].a[j],2);
        if(small==pow(longest,2))
            printf("YES");
        else
            printf("NO");
    }
    return 0;
}

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

using namespace std;


int main()
{
    long long int arr[10000],a,b,c,n,cas,i;
    scanf("%lld",&cas);
    for(i=0;i<cas;i++){
    scanf("%lld%lld%lld",&arr[0],&arr[1],&arr[2]);

    sort(arr,arr+3);

    a = arr[0];
    b=arr[1];
    c =arr[2];

        if(a==b&&b==c)
            printf("NO\n");

        else if(a*a+b*b>=c*c)
            printf("YES\n");

        else
            printf("NO\n");
    }
    return 0;

}

C++: #include <iostream>
#include <stdio.h>
#include <vector>
#include <algorithm>
#include <math.h>
#include <utility>

using namespace std;

#define FOR(i,k,n) for(int i = (k); i < (n); i++)
#define REP(i,n) FOR(i,0,n)

int main()
{
	int a[4],n;
	cin >> n;
	REP(i, n)
	{
		cin >> a[0] >> a[1] >> a[2];
		sort(a, a + 3);
		if (a[2] >= a[0] + a[1]) cout << "NO" << endl;
		else if (a[2] * a[2] == a[0] * a[0] + a[1] * a[1])cout << "YES" << endl;
		else cout << "NO" << endl;
	}
	return 0;
}

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

int check(int a, int b, int c);

int main(){
	int N = 0;
	int A, B, C;
	int i, j, k;
	int work;
	cin >> N;
	for(i = 0; i < N; i++){
		cin >> A >> B >> C;

		if(check(A, B, C)){
				cout << "YES\n";				
		}
		
		else{
			cout << "NO\n";
		}
    }
    return 0;
}

int check(int a, int b, int c){
    if( (a * a + b * b) == c * c || (b * b + c * c) == a * a || (b * b + c * c) == a * a ){
        return 1;
    }
    
    else{
        return 0;
    }
	
}

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

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

	int a[n], b[n], c[n];

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

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

	return 0;
}

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

using namespace std;

int main(){
	vector<string> results;
	int N = 0;
	cin >> N;
	for(int i = 0; i < N; i++){
		array<int, 3> triangle_vertex;
		for(int j = 0; j < 3; j++){
			cin >> triangle_vertex[j];
		}
		sort(begin(triangle_vertex), end(triangle_vertex));
		if(pow(triangle_vertex[0], 2) + pow(triangle_vertex[1], 2) == pow(triangle_vertex[2], 2)){
			results.push_back("YES");
		}
		else{
			results.push_back("NO");
		}
	}
	for(const auto& result : results){
		cout << result << endl;
	}
	return 0;
}

C++: #include <stdio.h>
#include <stdbool.h>
void Judgetriangle(int a, int b, int c);
void judge(int a, int b, int c);
int a, b, c;
bool flag = false;
int main(void)
{
    int n;
    scanf("%d", &n);
    for (int i = 0; i < n; ++i)
        {
            flag = false;
            scanf("%d %d %d", &a, &b, &c);
            Judgetriangle(a, b, c);
        }
    return 0;
}

void Judgetriangle(int a, int b, int c)
{
    judge (a, b, c);
    judge (a, c, b);
    judge (b, c, a);
    if (flag == true) {
        printf("YES\n");
    } else {
        printf("NO\n");
    }
}

void judge(int a, int b, int c)
{
    if (a*a + b*b == c*c) {
        flag = true;
    }
}

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

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


    }
    return 0;
}