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 <math.h>
#include <algorithm>
using namespace std;

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

C++: #include <iostream>
using namespace std;
int main(){
    int a,x,y,z;
    cin >> a;
    int m[3][a];
    for (int i=0;i<a;i++){
        cin >> x >> y >> z ;
        m[0][i] = x;
        m[1][i] = y;
        m[2][i] = z;
    }
    for (int j=0;j<a;j++){
        if (m[0][j]^2+m[1][j]^2!=m[2][j]^2 && m[0][j]^2+m[2][j]^2!=m[1][j]^2 && m[1][j]^2+m[2][j]^2!=m[0][j]^2)
            cout << "NO" << endl;
        else
            cout << "YES" << endl;
    }
}

C++: #define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cstring>
#include <algorithm>
#include <limits.h>
#include <cmath>
#include <time.h>
#define REP(i,a,b) for(i=a;i<b;i++)
#define rep(i,n) REP(i,0,n)
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
#define SQR(X) ((X)*(X))
int test = 0;
/* ここからが本編 */
int main(void)
{
  int i,j,k,l;
  int a[3];
  int n;
  cin >> n;
  while(cin >> a[0] >> a[1] >> a[2]) {
    sort(a,a+3);
    if(SQR(a[0]) + SQR(a[1]) == SQR(a[2])) {
      puts("YES");
    }
    else puts("NO");
  }

  return 0;
}

C++: #include<iostream>
#include<cstdio>
#include<stdio.h>
#include<string>
using namespace std;
int main() {
	long judge[1000],i,n,a[1000],b[1000],c[1000];

	cin >> n;
	for (i = 0; i < n; i++) {
		cin >> a[i] >> b[i] >> c[i];
		if (a[i]*a[i] + b[i]*b[i] == c[i]*c[i] || a[i]*a[i]+c[i]+c[i]==b[i]*b[i]||b[i]*b[i]+c[i]*c[i]==a[i]*a[i]) {
			judge[i] = true;
			cout << "YES" << endl;
		}
		else {
			judge[i] = false;
			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;

 for(int i=0; i<n; i++){
  if(a*a == b*b + c*c | b*b == a*a + c*c | c*c == a*a + b*b) cout << "YES\n";
  else cout << "NO\n";
 }

 return 0;
}

C++: #include<iostream>
#include<math.h>
#include<string>
using namespace std;
string heihou(double a, double b, double c)
{
	if (pow(a, 2.0) == pow(b, 2.0) + pow(c, 2.0) || pow(b, 2.0) == pow(a, 2.0) + pow(c, 2.0) || pow(c, 2.0) == pow(b, 2.0) + pow(a, 2.0)){
		return "YES";
	}
	else{
		return "NO";
	}
}
int main()
{
	double dataset[999][2];
	int i = 0;
	int l;
	cin >> l;
	while (i<l){
		cin >> dataset[i][0] >> dataset[i][1] >> dataset[i][2];
		i++;
	}
	for (int j = 0; j < i; j++){
		cout << heihou(dataset[j][0], dataset[j][1], dataset[j][2]) << endl;
	}
	return 0;
}

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

int main()
{
        unsigned int count=0;
        std::cin>>count;
        std::string* res;
        res=new std::string [count+1];
        for(unsigned int i=0;i<=count;i++)
        {
                std::string str;
                getline(std::cin,str);
                unsigned int a,b,c;
                std::stringstream s(str);
                s>>a>>b>>c;
                if((a*a==b*b+c*c)||(b*b==a*a+c*c)||(c*c==a*a+b*b))
                        res[i]="YES";
                else
                        res[i]="NO";
        }
        for(unsigned int i=1;i<=count;i++)
                std::cout<<res[i]<<std::endl;
        return 0;
}

C++: #include <iostream>

auto main () -> int
{
    const char * res [] = {"NO" , "YES"};
    int n;
    std::cin >> n;

    for (auto i = 0; i < n; ++ i)
    {
        int a , b , c;
        std::cin >> a >> b >> c;
        if (a > c)
        {
            std::swap (a , c);
        }
        if (b > c)
        {
            std::swap (b , c);
        }
        std::cout << res [a * a + b * b == c * c] << std::endl;
    }
}

C++: #include <iostream>
#include <fstream>
#include <string>
#include <map>
#include <stack>
#include <set>
#include <list>
#include <vector>
#include <algorithm>
#include <cassert>
#include <iterator>
#include <sstream>
#include <complex>
#include <bitset>
#include <iomanip>
#include <cctype>
#include <limits>
#include <numeric>
#include <cmath>
#include <functional>
#include <queue>
#include <cstring>

using namespace std;

typedef unsigned int uint;
typedef unsigned long long ull;

#define FORE(k,a,b) for(int k=(a); k <= (int)(b); ++k)
#define FOR(k,a,b) for(int k=(a); k < (int) (b); ++k)

#define pb push_back
#define mp make_pair
#define sfi(a) scanf("%d",&a)
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<double> vd;
typedef vector<vi> vvi;
typedef vector<uint> uvi;
typedef vector<uvi> uvvi;
typedef vector<vd> vvd;
typedef pair<int,int> ii;
typedef vector<pair<int,int> > vii;
typedef vector<vii> vvii;
typedef pair<uint,uint> uu;
typedef map<string, int> msi;
#define sz(a) int((a).size())
#define pb push_back
#define all(c) (c).begin(),(c).end()
#define FOR_IT(c,i) for(typeof((c).begin() i = (c).begin(); i != (c).end(); i++)
#define contains(c,x) ((c).find(x) != (c).end())
#define cpresent(c,x) (find(all(c),x) != (c).end())

int main(){

    int str[5],test;

    sfi(test);
    while(test--){

            scanf("%d%d%d",&str[0],&str[1],&str[2]);


        sort(str,str+3);

        if(str[2]*str[2]==(str[0]*str[0])+(str[1]*str[1]))
            puts("YES");
        else
            puts("NO");
    }




return 0;
}

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

using namespace std;

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

C++: #include<stdio.h>
#include<stdlib.h>
#include<iostream>
#include<string>
#include<algorithm>
#include<vector> 
#include<limits>
#include<numeric>
#include<math.h>
using namespace std;

#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define in(x) cin >> x
#define out(str) cout << str << endl

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

int N;

int main(){
    cin>>N;
    int a[N][3];
    rep(i,N){
        rep(j,3){
            cin>>a[i][j];
        }
    }
    rep(i,N){
        sort(a[i],a[i]+3);
        if(pow(a[i][0],2)+pow(a[i][1],2)==pow(a[i][2],2)){
            out("Yes");
        }
        else{
            out("No");
        }
    }
}