Go: package main

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

func sliceAtof64(sa []string) ([]float64, error) {
	si := make([]float64, 0, len(sa))
	for _, a := range sa {
		i, err := strconv.ParseFloat(a, 64)
		if err != nil {
			return si, err
		}
		si = append(si, i)
	}
	return si, nil
}

func answer(ans bool) {
	if ans {
		fmt.Println("YES")
	} else {
		fmt.Println("NO")
	}
}
func isRightTriangle(ary []float64) (ans bool) {
	sort.Sort(sort.Reverse(sort.Float64Slice(ary)))
	ans = math.Pow(ary[1], 2.0)+math.Pow(ary[2], 2.0) == math.Pow(ary[0], 2.0)

	return
}

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Scan()
	lineCount, _ := strconv.Atoi(scanner.Text())
	lines := make([]string, lineCount)

	for i := 0; i < lineCount; i++ {
		scanner.Scan()
		lines[i] = scanner.Text()
	}

	for _, v := range lines {
		ary, _ := sliceAtof64(strings.Split(v, " "))
		answer(isRightTriangle(ary))
	}
}

C++: #include<iostream>
#include<algorithm>
#include<set>
#include<map>
#include<vector>
#include<string>
#include<queue>
#include<cstdio>
#include<cmath>
#include<cstring>
#include<cstdlib>
#include<fstream>
#include<sstream>
using namespace std;
vector<long>trn;
int main()
{
    long test,i,a,b,c;

      cin>>test;
     for(i=0;i<test;i++)
     {
         cin>>a>>b>>c;
         trn.push_back(a);
         trn.push_back(b);
         trn.push_back(c);
         sort(trn.begin(),trn.end());

          if(trn[0]*trn[0]+trn[1]*trn[1]==trn[2]*trn[2])
            cout<<"YES"<<endl;
          else
            cout<<"NO"<<endl;

          trn.clear();
     }



    return 0;
}

C++: //#define _USE_MATH_DEFINES
#define _CRT_SECURE_NO_WARNINGS
//#include <cstdio>
//#include <cstdlib>
//#include <cmath>
#include <iostream>
#include <algorithm>
//#include <cstring>
#include <vector>
#include <string>
#include <map>
#include <list>
#include <queue>
#include <set>
using namespace std;

int main(void){

	int N;
	
	cin >> N;
	
	for(int i = 0; i<3;i++){
		int a, b, c;
		cin >> a >> b >> c;
		if(a > b) swap(a, b);
		if(a > c) swap(a, c);
		if(b > c) swap(b, c);
		
		if(a * a + b * b == c * c) cout << "Yes" <<endl;
		else cout << "No" << endl;
		
	}

	return 0;
}

/*
for(i=0;i<N;i++){
	cin >> X[i];
}


for(i=0;i<N;i++){
	for(j=0;j<N;j++){
		cin >> X[i][j];
	}
}
*/

C++: #include <iostream>
using namespace std;
int main()
{
	
    int a[100],b[100], c[100];	
	int x=0;
	int n;

	while(true){
		cin >> n;

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

	    	if(a[i]<b[i]){
		    	x=a[i];
			    a[i]=b[i];
		    	b[i]=x;
		    }
		    if(b[i]<c[i]){
		    	x=b[i];
	     		b[i]=c[i];
		    	c[i]=x;
		    }
		    if(a[i]<b[i]){
		    	x=a[i];
			    a[i]=b[i];
			    b[i]=x;
	    	}
            a[i] = a[i]*a[i];
		    b[i] = b[i]*b[i];
		    c[i] = c[i]*c[i];
		}
		for(int i=0 ;i<n ;i++){
		    

     		if(a[i]==b[i]+c[i])
	    		cout << "YES" << endl;
		    else
			    cout << "NO" << endl;
		}  
	        
	}
 return 0;
}

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

void ans(int *a) 
{
	if (*a == 1) {
		printf("YES\n");
	}
	else if (*a == 0) {
		printf("NO\n");
	}
}

int main(void)
{
	int n;
	int i;
	int a, b, c, x;
	int result[1000];
	
	for (i = 0; i < 1000; i++) {
		result[i] = 0;
	}
	
	scanf("%d", &n);
	
	for (i = 0; i < n; i++) {
		scanf("%d %d %d", &a, &b, &c);
		
		if (a < b) {
			x = a;
			a = b;
			b = x;
		}
		
		if (b < c) {
			x = b;
			b = c;
			c = x;
		}
		
		if (a < b) {
			x = a;
			a = b;
			b = x;
		}
		
		if (a * a == b * b + c * c) {
			result[i]++;
		}
		
	}
	
	for (i = 0; i < n; i++) {
		ans(&result[i]);
	}
	
	return (0);
}

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

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

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*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;
        }
    }
    return 0;
}

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

string Judge_triangle(int a,int b,int c){
    if(a+b>c && b+c>a && c+a>b){
        return "YES";
    }
    else{
        return "NO";
    }
}

bool Judge_line(int x){
    if(x<1 || x>1000 || ceil(x) != floor(x))
        return true;
    else
        return false;
}

int main(){
  int N;
  int a,b,c;
  int n=0;
    
    while(1){

  cin >> N;
    
        if(N <= 0 || N > 1000 || ceil(N) != floor(N)){
            
        }
    else
        break;
    }
    
    string x[N];

while(N > 0 && cin >> a >> b >> c){
    
    
    while(1){
        if(Judge_line(a) && Judge_line(b) && Judge_line(c)){
            
            break;
        }
        
        else{
            x[N-1] = Judge_triangle(a,b,c);
            N--;
            n++;
            break;
        }
  }
}
    for(int i = 0;i < n;i++)
        cout << x[i] << endl;
    
  return 0;
}

C++: #include <iostream>
#include <algorithm>
using namespace std;
int main(){
    int n = 0;
    int a[3];
    cin >> n;
    for(int i = 0; i < n; i++){
        cin >> a[0] >> a[1] >> a[2];
        sort(a, a+3, greater<int>());
        if(pow(a[1], 2) + pow(a[2], 2) == pow(a[0], 2)){
            cout << "YES" << endl;
        }else{
            cout << "NO" << endl;
        }
    }
    return 0;
}

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

using namespace std;

int main()
{
	int n,x;
	vector<int> len;

	cin>>n;
	for(int i=0;i<n;i++){
		cin>>x;
		len.push_back(x);
		cin>>x;
		len.push_back(x);
		cin>>x;
		len.push_back(x);

		sort(len.begin(),len.end());
		if(len[0]*len[0]+len[1]*len[1]==len[2]*len[2]) cout<<"YES"<<endl;
		else cout<<"NO"<<endl;

		len.clear();
	}

}

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

bool check_triangle(int a, int b, int c);

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

	return 0;
}

bool check_triangle(int a, int b, int c)
{
	
	vector<int> edges;
	edges.push_back(a);
	edges.push_back(b);
	edges.push_back(c);
	sort(edges.begin(),edges.end());

	if (edges[0]*edges[0] + edges[1]*edges[1] == edges[2]*edges[2])
		return true;
	else
		return false;		
}

C++: #include<iostream>
#include<stdio.h>
using namespace std;
int main(){
	int n,a[3],i,j,k,box;
	cin>>n;
	for(i=0;i<n;i++){
		for(j=0;j<3;j++)cin>>a[j];
		for(j=0;j<2;j++){
			for(k=j+1;k<3;k++){
				if(a[j]<a[k]){
					box=a[j];
					a[j]=a[k];
					a[k]=box;
				}
			}
		}if(a[0]*a[0]==(a[1]*a[1])+(a[2]*a[2]))cout<<"YES"<<endl;
		else cout<<"NO"<<endl;
	}
	return 0;
}

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