Go: package main

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

var scanner = bufio.NewScanner(os.Stdin)

func nextInt() int {
	scanner.Scan()
	i, e := strconv.Atoi(scanner.Text())
	if e != nil {
		panic(e)
	}
	return i
}
func main() {
	scanner.Split(bufio.ScanWords)
	n := nextInt()
	for i := 0; i < n; i++ {
		a := nextInt()
		b := nextInt()
		c := nextInt()
		if a*a == b*b + c*c || b*b == a*a + c*c || c*c == a*a + b*b {
			fmt.Println("YES")
		} else {
			fmt.Println("NO")
		}
		continue
	}
}

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

int N ;
int x,y,z ;

int main()
{
	cin >> N ;

	for( int i = 0 ; i < N ; i ++ )
	{
		cin >> x >> y >> z ;

		if( ((x*x) == ((y*y) + (z*z))) || ((y*y) == ((x*x) + (z*z))) || ((z*z) == ((x*x) + (y*y))) )
		{
			cout << "YES" << endl ;
		}
		else
		{
			cout << "NO" << endl ;
		}
	}
}

C++: #include <bits/stdc++.h>

using namespace std;


#define REP(i,n) for(ll i=0;i<n;++i)
#define RREP(i,n) for(ll i=n-1;i>=0;--i)
#define FOR(i,m,n) for(ll i=m;i<n;++i)
#define RFOR(i,m,n) for(ll i=n-1;i>=m;--i)
#define ALL(v) (v).begin(),v).end()

#define PB(a) push_back(a)
#define MOD 1000000007

typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> VI;
typedef vector<VI> VVI;
const double PI = 3.14159265358979323846;
const double EPS = 1e-12;
const int INF = numeric_limits<int>::max() / 2;
const int NEG_INF = numeric_limits<int>::min() / 2;

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);

  int n;cin>>n;
  for(int j=0;j<n;j++){
      std::vector<int> v(3);
      for(int i=0;i<3;i++) cin>>v[i];
      sort(v.begin(),v.end());
      if(v[0]*v[0]+v[1]*v[1]==v[2]*v[2]) cout<<"YES"<<endl;
      else cout<<"NO"<<endl;
  }
  return 0;
}

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

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

	
	return 0;
}

C++: using System;

class Program
{
    static bool checking(int[] a)
    {
        return (a[0] + a[1] == a[2] || a[1] + a[2] == a[0] || a[2] + a[0] == a[1]);
    }

    static int Main()
    {   
        int[] a = new int[3];
        int inp,n;
        string[] str;
        string result;

        n = int.Parse(Console.ReadLine());
        for (int i = 0; i < n; i++)
        {
            str = (Console.ReadLine()).Split(' ');
            for (int j = 0; j < 3; j++)
            {
                
                inp = int.Parse(str[j]);
                a[j] = inp * inp;
            }

            if (checking(a))
                result = "YES";
            else
                result = "NO";

            Console.WriteLine("{0}", result);

        }

        



        return 0;
    }
}

C++: using namespace std;
int main(){
  int N,a,b,c;
  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)==(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<iostream>

bool right_triangle(int a,int b,int c)
{
    if (a*a + b*b == c*c || b*b + c*c == a*a || c*c + a*a == b*b) {
        return true;
    }else{
        return false;
    }   
}

int main()
{
    int x,y,z,N;
    std::cin >> N;
    for (int i = 0; i < N; i++) {
        std::cin >> x >> y >> z;
        if (right_triangle(x,y,z)) {
            std::cout << "Yes" << std::endl;
        }else if (right_triangle(x,y,z) == 0 ) { 
            std::cout << "No" << std::endl;
        }
    }
    return 0;
}
                                                            1,1          ??????

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

int main()
{
    int set;
    int num[3];
    int a,b,c;
    
    if(set < 1000)
        cin >> set;
        
    for(int i = 0; i < set; i++){
        for(int j =0; j < 3; j++){
            cin >> num[j];
        }
        sort(num, num+3);
        if(num[0] * num[0] + num[1] * num[1] == num[2] * num[2]){
            cout << "YES" << endl;
        }else{
            cout << "NO" << endl;
        }
    }

    return 0;
}

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

int main(){
	int abc[3], N;
	cin >> N;
	for(int i = 0; i < N; i++){
		cin >> abc[0] >> abc[1] >> abc[2];
		while(!(((abc[0] >= 1)&&(abc[0] <= 1000))&&
				((abc[1] >= 1)&&(abc[1] <= 1000))&&
				((abc[2] >= 1)&&(abc[2] <= 1000)))){
			cout << "wrong value\n";
			cin >> abc[0] >> abc[1] >> abc[2];
		}
		sort(abc, abc+3);
		if((pow(abc[0], 2) + pow(abc[1], 2)) == pow(abc[2], 2)){
			cout << "YES\n";
		}else{
			cout << "NO\n";
		}
	}
    return 0;
}

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

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

C++: #include <stdio.h>

int main() {
    const char YES[] = "YES\n";
    const char NO[] = "NO\n";

    int times = 0;
    scanf("%d", &times);
    for (int i = 0; i < times; ++i) {
        int inputSide[3];
        scanf("%d %d %d", &inputSide[0], &inputSide[1], &inputSide[2]);
        {
            bool finished = false;
            while (!finished) {
                finished = true;

                for (int j = 0; j < 3 - 1; ++j) {
                        if (inputSide[j] < inputSide[j + 1]) {
                        int temp = inputSide[j + 1];
                        inputSide[j + 1] = inputSide[j];
                        inputSide[j] = temp;
                        finished = false;
                    }
                }
            }
        }

        printf(((((inputSide[2] * inputSide[2]) + (inputSide[1] * inputSide[1])) == (inputSide[0] * inputSide[0])) ? YES : NO));
    }

    return 0;
}

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

using namespace std;

int main()
{
int T;
scanf("%d",&T);
for(int t=0;t<T;t++){
int edge[3];
printf("%d %d %d",edge,edge+1,edge+2);
sort(edge,edge+3,greater<int>());
if(edge[0]*edge[0]==edge[1]*edge[1]+edge[2]*edge[2]){
printf("%s\n","YES");
}else{
printf("%s\n","NO");
}
}

return 0;
}

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

using namespace std;

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

C++: #include <iostream>
#include <algorithm>
#include <string>
#include <vector>
 
#define MAX 1000
#define MIN 1
 
using namespace std;
 
bool right(int a,int b,int c) {
 if(((a * a) + (b * b)) == (c * c)) {
  return true;
 } else {
  return false;
 }
}

int main() {
 int i = 0,j;
 int n;
 int side[3];
 bool cnt = false;
 vector<string> judge;
 
 cin >> n;
 
 while(i < n) {
  cin >> side[0] >> side[1] >> side[2];
 
  for(j = 0;j < 3;++j) {
   if((side[j] < MIN) || (side[j] > MAX)) {
    cnt = true;
   }
  }
 
  if(cnt == true) continue; 
 
  sort(side, side + 3);
 
  if(right(side[0],side[1],side[2]) == true) {
   judge.push_back("YES");
  } else {
   judge.push_back("NO");
  }

  ++i;
 }
 
 for(i = 0;i < judge.size();++i) {
  cout << judge.at(i) << endl;
 }
 
 return 0;
}

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

int isRightTriangle(int a, int b, int c)
{
	int s[3] = {a, b, c};
	std::sort(s, s+3);
	return (s[0] > 0) && (s[2] * s[2] == s[0] * s[0] + s[1] * s[1]);
}

int main()
{
	int count = 0;
	std::cin >> count;
	for (int i = 0; i < count; ++i) {
		int a = 0, b = 0, c = 0;
		std::cin >> a >> b >> c;
		std::cout << (isRightTriangle(a,b,c) ? "YES" : "NO") << std::endl;
	}

	return 0;
}