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 <algorithm>
#include <cmath>
#include <iostream>
#include <list>
#include <vector>
using namespace std;

bool checkRightTriangle(int side1, int side2, int side3) {
  std::vector<int> edges;
  edges.push_back(side1);
  edges.push_back(side2);
  edges.push_back(side3);
  std::sort(edges.begin(), edges.end(), std::greater<int>());
  if (edges[0] > edges[1] + edges[2]) {
    return false;
  } else {
    return true;
  }
}

int main(int argc, char const *argv[]) {
  int data_num;
  std::cin >> data_num;

  int a, b, c;
  std::vector<bool> results;

  for (size_t i = 0; i < data_num; i++) {
    std::cin >> a >> b >> c;
    results.push_back(checkRightTriangle(a, b, c));
  }

  for (bool result : results) {
    if (result) {
      std::cout << "YES" << '\n';
    } else {
      std::cout << "NO" << '\n';
    }
  }
  return 0;
}

C++: #include<iostream>

using namespace std;

int main()
{
	int N, s1, s2, s3;

	while(cin >> N)
	{
		while(N--)
		{
			cin >> s1 >> s2 >> s3;
			if(s1*s1 + s2*s2 == s3*s3 || s1*s1 + s3*s3 == s2*s2 || s3*s3 + s2*s2 == s1*s1)
				cout << "YES\n";
			else
				cout << "NO\n";
		}
	}
	return 0;
}

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

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

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

int main() {
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) {
        int a[5];
        for (int j = 0; j < 3; j++) cin >> a[j];
        sort(a, a + 3);

        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>
#include <array>

bool checkTriangle(int a, int b, int c)
{
	if((a >= b) && (a >= c)) {
		return (a*a == (b*b + c*c));
	} else if((b >= a) && (b >= c)) {
		return (b*b == (a*a + c*c));
	} else {
		return (c*c == (a*a + b*b));
	}
}

int showResult(int a, int b, int c)
{
	if(checkTriangle(a,b,c)) {
		std::cout << "Yes" << std::endl;
	} else {
		std::cout << "No" << std::endl;
	}
	return 0;
}
	
int main()
{
	int N = 0;
	std::array<int, 1000>t1;
	std::array<int, 1000>t2;
	std::array<int, 1000>t3;
	std::cin >> N;
	
	if(N == 0) {
		return 0;
	}
	for(int i = 0; i < N; i++) {
		std::cin >> t1.at(i) >> t2.at(i) >> t3.at(i);
	}
	std::cout << std::endl;
	for(int i = 0; i < N; i++) {
		showResult(t1.at(i), t2.at(i), t3.at(i));
	}
	return 0;	
}

C++: #include <iostream>

using namespace std;

int main() {
	int count;
	cin >> count;
	
	while(count-- >0){
		int t[3];
		for(int i=0;i<3;i++){
			cin >> t[i];
		}
		if(((t[0]*t[0])==((t[1]*t[1])+(t[2]*t[2]))) || ((t[1]*t[1])==((t[0]*t[0])+(t[2]*t[2]))) || ((t[2]*t[2])==((t[1]*t[1])+(t[0]*t[0])))){
			cout << "YES" <<endl;
		}else{
			cout << "NO" << endl;
		}
	}
	return 0;
}

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

int main(){
	for (int x = 0; x < 82;)
	{
		int a = 0;
		int b = 0;
		int c = 0;
		int d = a*a;
		int e = b*b;
		int f = c*c;
		cin >> a >> b >> c;
		if (d + e == f)
		{
			cout << "YES" << endl;
		}
		else if (d + f == e)
		{
			cout << "YES" << endl;
		}
		else if (e + f == d)
		{
			cout << "YES" << endl;
		}
		else
		{
			cout << "NO" << endl;
		}



	}
	getchar();
	getchar();
	return 0;
}

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 << "OK " << endl;
	}
	else{
		cout << "NO" << endl;
	}
	return 0;
	
}

C++: #include<stdio.h>
#include<math.h>
int main()
{
	int n,i;
	int a[1000],b[1000],c[1000];
	scanf("%d",&n);
	for(i=0;i<n;i++){
		scanf("%d%d%d",&a[i],&b[i],&c[i]);
	}
	for(i=0;i<n;i++){
		if((c[i]*c[i])==(a[i]*a[i]+b[i]*b[i])||(a[i]*a[i])==(b[i]*b[i]+c[i]*c[i])||(b[i]*b[i])==(a[i]*a[i]+c[i]*c[i])){
			printf("YES\n");
		}else{
			printf("NO\n");
		}
	}
	return 0;
}

C++: #include <stdio.h>

using namespace std;


int main(){
	int n,a,b,c,A,B,C;
	scanf("%d",&n);

	for(int i=0;i<n;i++){
		scanf("%d %d %d",&a,&b,&c);
		A = a*a;
		B = b*b;
		C = c*c;
		if(A+B==C||B+C==A||C+A==B){
			printf("YES\n");
		}else{
			printf("NO\n");
		}
	}

    return 0;
}

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

using namespace std;

bool isRightTriangle(vector<int> &vecSide);

int main(void)
{
    int i,j;
    int n;
    vector<int> vecSide;
    
    cin >> n;
    vecSide.resize(3);
    for (i = 0; i < n; i++) {
        for (j = 0; j < 3; j++) {
            cin >> vecSide[j];
        }
        
        if (isRightTriangle(vecSide)) {
            cout << "YES" << endl;
        } else {
            cout << "NO" << endl;
        }
    }
    
    return 0;
}

bool isRightTriangle(vector<int> &vecSide)
{
    int a,b,c;
    
    if (vecSide[0] > vecSide[1]) {
        swap(vecSide[0], vecSide[1]);
    }
    if (vecSide[1] > vecSide[2]) {
        swap(vecSide[1], vecSide[2]);
    }
    
    a = vecSide[0];
    b = vecSide[1];
    c = vecSide[2];
    
    if (c * c == a * a + b * b) {
        return true;
    } else {
        return false;
    }
}

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

int main()
{
    int a,b,c;
    while(cin>>a>>b>>c){
        if(a*a==b*b+c*c)
            cout<<"Yes"<<endl;
        else if(b*b==a*a+c*c)
            cout<<"Yes"<<endl;
        else if(c*c==a*a+b*b)
            cout<<"Yes"<<endl;
        else
            cout<<"No"<<endl;
    }
    return 0;
}

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

#define iota(i,n,b,s) for(int i=int(b);i!=int((b)+(s)*(n));i+=(s))
#define range(i,n,m) iota(i,(((n)>(m))?((n)-(m)+1):((m)-(n)+1)),(n),((n)>(m)?-1:1))
#define rep(i,n) iota(i,(n),0,1)

#define INF (1e9)
#define EPS (1e-9)
#define cons(a,b) (make_pair(a,b))
#define car(a) (a.first)
#define cdr(a) (a.second)
#define cadr(a) (car(cdr(a)))
#define cddr(a) (cdr(cdr(a)))
#define all(a) a.begin(), a.end()
#define trace(var) cerr<<">>> "<<#var<<" = "<<var<<endl;

typedef long long Integer;
typedef double Real;

template<class S, class T>
ostream& operator<<(ostream& os, pair<S,T> p) {
  os << '(' << car(p) << ", " << cdr(p) << ')';
  return os;
}

template<class T>
ostream& operator<<(ostream& os, vector<T> v) {
  os << v[0];
  for (int i=1, len=v.size(); i<len; ++i) os << ' ' << v[i];
  return os;
}

int dx[] = { -1, 0, 1, 0 };
int dy[] = {  0, -1, 0, 1 };

int main() {

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

  return 0;
}