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>
using namespace std;

int triangle(int a,int b,int c){
    //error check
	if(a<=0 || b<=0 || c<=0){
		cout << "ERROR" << endl;
		return 1;
	}
	if(a < b){
		swap(a,b);
	}
	if(a < c){
		swap(a,c);
	}
	
	if(a*a-b*b-c*c == 0){
		cout << "YES" << endl;
	}
	else{
		cout << "NO" << endl;
	}
	return 0; 
}

int main(void){
    int num,x,y,z;
	cin >> num;
	for(int i=0;i<num;i++){
		cin >> x >> y >> z;
		triangle(x,y,z);
	}
}

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


using namespace std;

int main()
{
	int n;
	int a,b,c;
	
	cin >> n;
	
	while (n)
	{
		cin >> a >> b >> c;
		
		if (pow(c, 2) == pow(a, 2) + pow(b, 2))
			cout << "YES" << endl;
		else
			cout << "NO" << endl;
		
		n--;
	}
	return 0;
}

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

bool isRightTriangle(int a, int b, int c) {
    int newc = sqrt(a*a + b*b);
    int newb = sqrt(c*c - a*a);
    int newa = sqrt(c*c - b*b);
    return(a == newa && b == newb && c == newc);
}

int main(void) {
    int num; cin >> num;
    vector<int> vec(num);
    for(int r = 0; r < num; r++) {
        cin >> vec[0] >> vec[1] >> vec[2];
        sort(vec.begin(), vec.end());
        cout << (isRightTriangle(vec[0], vec[1], vec[2]) ? "YES" : "NO") << endl;
    }
    return(0);
}

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

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

    for (int i = 0;i <= times; i++) {
        int a, b, c;
        cin >> a >> b >> c;

        int a2, b2, c2;
        a2 = pow(a,2);
        b2 = pow(b,2);
        c2 = pow(c,2);

        if (a2 == b2 + c2 || b2 == a2 + c2 || c2 == a2 + b2) {
            cout << "YES" << endl;
        } else {
            cout << "NO" << endl;
        }
    }

    return 0;
}

C++: #include <iostream>

void rightTriangle(int, int, int);
int main()
{
    int number;
    std::cin >> number;
    for (int i = 0; i < number; ++i) {
        int a, b, c;
        std::cin >> a >> b >> c;
        rightTriangle(a, b, c);
    }
    return 0;
}
void rightTriangle(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) {
        std::cout << "YES" << std::endl;
    } else {
        std::cout << "NO" << std::endl;
    }
}

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

using namespace std;

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

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

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

C++: #include <iostream>
int main(void){
	int n,a,b,c;
	std::cin>>n;
	for (;n--;){
		std::cin>>a>>b>>c;
		if (a>b) swap(a,b);
		if (b>c) swap(b,c);
		if (a*a+b*b==c*c)
			std::cout<<"YES\n";
		else
			std::cout<<"NO\n";
	}
}

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

#define PI ( atan2(1,1) * 4)

double trigon_angle(double a, double b, double c){
	double ans;
	ans = (b*b + c*c - a*a) / (2*b*c);
	ans = atan2(sqrt(1-ans * ans),ans);
	return ans* 180 / PI;
}
int main(void) {
	int i,c,n,hen[3];
	double h,a;
	scanf("%d",&n);
	
	for(i = 0; n > i; i++){
		scanf("%d%d%d",&hen[0], &hen[1], &hen[2]);
		for(c = 0; 3 > c; c++){
			a = trigon_angle(hen[c], hen[(c+1)%3], hen[(c+2)%3]);
			if((int)a == 90) {printf("YES\n");break;}
		}
		if(n == c)printf("NO\n");
	}
	return 0;
}

C++: #include<iostream>
using namespace std;
int main(void){
    int N;
    cin >> N;
    for(int n = 0; n < N; n++){
        int a[3];
        cin >> a[0] >> a[1] >> a[2];
        for(int i = 0; i < 3; i++){
            for(int j = i + 1; j < 3; j++){
                if(a[j] < a[i]){
                    int t = a[j];
                    a[j] = a[i];
                    a[i] = t;
                }
            }
        }
        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>

using namespace std;

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

	return 0;
	
}

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

int main()
{
    int a,b,c,data=0;
    int d[3]={};
    
    cin >> data;
    
    for (int i=0; data>i; i++) {

        cin >> d[0] >> d[1] >> d[2];
        
        sort(d,d+3);
        
        a=d[0];
        b=d[1];
        c=d[2];
        
        if (c*c == a*a+b*b) {
            cout << "YES" << endl;
        }else{
            cout << "NO" << endl;
        }
    }
}

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

using namespace std;

int main() {
    int n;
    vector<int> a;
    vector<int> b;
    vector<int> c;
    
    cin >> n;
    
    for (int i = 0; i < n; i++) {
        int tmp1, tmp2, tmp3;
        cin >> tmp1 >> tmp2 >> tmp3;
        a.push_back(tmp1);
        b.push_back(tmp2);
        c.push_back(tmp3);
    }
    
    for (int i = 0; i < n; i++) {
        if (pow(a[i], 2) + pow(b[i], 2) == pow(c[i], 2)) {
            cout << "YES" << endl;
        } else {
            cout << "NO" << endl;
        }
    }
    
    return 0;
}

C++: #include<iostream>

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

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

int main() {
	int a, b, c, i;
	cin >> i;
	for (int n = 0; n < i; n++) { 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>
#include <cstdio>
using namespace std;

int main(void) {
    int num;
    cin >> num;
    for(int r = 0; r < num; r++) {
        int a, b, c;
        cin >> a >> b >> c;
        if(a > b){ a ^= b; b ^= a; a ^= b;}
        if(a > c){ a ^= c; c ^= a; a ^= c;}
        if(b > c){ b ^= c; c ^= b; b ^= c;}
        if(a * a + b * b == c * c) printf("YES\n");
        else printf("NO\n");
    }
    
    return(0);
}