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 <cstdio>
#include <cmath>
using namespace std;

int main() {
    int N;
    cin >> N;
    int a, b, c;
    while (N--) {
        cin >> a >> b >> c;
        int l=max(a,max(b,c));
        int x, y;
        if (a==l) {
            x=b;
            y=c;
        } else if (b==l) {
            x=a;
            y=c;
        } else if (c==l) {
            x=a;
            y=b;
        }
        if (l==sqrt(pow(x,2)+pow(y,2))) {
            printf("Yes\n");
        } else {
            printf("No\n");
        }
    }
    return 0;
}

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

using namespace std;

int main(){

	int i, m;
	cin >> m;

	for(i=0; i<m; i++){

	int a[3];

	cin >> a[0] >> a[1] >> a[2];
	sort(a, a+3);

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

C++: #include<iostream>
#include<string>
//0001
#include<cstddef>
#include<queue>
#include<vector>
using namespace std;

int main() {
	//0000
	/*
	int i, j;

	for (i = 1; i < 10; i++) {
		for (j = 1; j < 10; j++) {
			cout << i << "x" << j << "=" << i*j << endl;
		}
	}
	*/
	//0001
	/*
	int i;
	const size_t MNum = 10;
	int MHeight[MNum];
	int MH1 = 0, MH2 = 0, MH3 = 0;
	for (i = 0; i < 10; i++) {
		cin >> MHeight[i];
		if (MHeight[i] > MH1) {
			MH3 = MH2;
			MH2 = MH1;
			MH1 = MHeight[i];
		}
		else if (MHeight[i] > MH2) {
			MH3 = MH2;
			MH2 = MHeight[i];
		}
		else if (MHeight[i] > MH3) {
			MH3 = MHeight[i];
		}
	}
	cout << MH1 << endl << MH2 << endl << MH3 << endl;
	*/
	/*
	priority_queue<int, vector<int>, less<int> > que;
	int MH;

	for (int i = 0; i < 10; i++) {
		cin >> MH;
		que.push(MH);
	}

	for (int j = 0; j < 3; j++) {
		cout << que.top() << endl;
		que.pop();
	}
	*/
	//0002
	/*
	int a, b;
	while (cin >> a >> b) {
		int sum = a + b;
		int count = 0;
		while (sum > 0) {
			sum = sum / 10;
			count++;
		}
		cout << count << endl;
	}
	*/
	//0003
	int a[3];
	int N;
	cin >> N;
	for (int i = 0; i < N; i++) {
		cin >> a[0] >> a[1] >> a[2];
		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>
 
inline bool is_right_triangle(const u_int a, const u_int b, const u_int c) {
    return (a*a == b*b + c*c || b*b == c*c + a*a || c*c == a*a + b*b);
}
 
int main(void) {
    u_int n;
    std::cin >> n;
    
    for (u_int i = 0; i < n; ++i) {
        u_int a, b, c;
        std::cin >> a >> b >> c;
        std::cout << (is_right_triangle(a, b, c) ? "YES" : "NO") << std::endl;
    }
 
    return 0;
}

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

int N;
int a[3]; 
int b,c,d;

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

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

//exchange x for y
void swap(int& x, int& y){
    int t = x;
    x = y;
    y = t;
}

//judge if this data set is right triangle
bool judgeRightTriangle(int& a, int& b, int& c){
    //arrange in ascending order
    if(a > b) swap(a, b);
    if(b > c) swap(b, c);
    //judge
    if(pow(c, 2) == pow(a, 2) + pow(b, 2)){
        return true;
    } else{
        return false;
    }
}

int main(){
    //入力
    int num = 0;
    cin >> num;

    //判定
    int a, b, c;
    bool check[num];
    for(int i = 0;i < num;i++){
        cin >> a >> b >> c;
        check[i] = judgeRightTriangle(a, b, c);
    }
    //出力
    for(int i = 0;i < num;i++){
        if(check[i] == true){
            cout << "YES\n";
        } else{
            cout << "NO\n";
        }
    }
    return 0;
}

C++: #include <stdio.h>
    
int triJudgefunc(int x, int y, int z);
    
int main(void)
{
    int row;
    scanf("%d", &row);
    for (int i = 0; i < row; ++i) {
        int firstn, secondn ,thirdn; 
        scanf("%d %d %d", &firstn, &secondn, &thirdn);
        if (triJudgefunc(firstn, secondn, thirdn) = 0) {
        printf("YES\n");
        } else {
        printf("NO\n");
        }
    }
    return 0;
}
    
    
    
int triJudgefunc(int x, int y, int z)
{
    int maxlength, notmax1, notmax2;
    if (x > y) {    //x > y
        if (x > z) {
            maxlength = x, notmax1 = y, notmax2 = z;    //x???max
        } else {
            notmax1 = x, notmax2 = y, maxlength = z;    //z???max
        }
    } else {    //y > x
        if (y > z) {
            notmax1 = x, maxlength = y, notmax2 = z;    //y???max
        } else {
            notmax1 = x, notmax2 = y, maxlength = z;    //z???max
        }
    }
    int result = maxlength * maxlength - notmax1 * notmax1 - notmax2 * notmax2;
    return result;
}

C++: #include <iostream>
#include <cmath>
#include <algorithm>
#include <string>
using namespace std;
int main() {
    int n;
    cin >> n;
    int a,b,c;
    for(int i=0;i<n;i++){
        cin >> a>> b>> c ;
        
        if(a>b)swap(a, b);
        if(b>c)swap(b, c);
        if(a>b)swap(a, b);
        if(a*a+b*b==c*c){
            cout <<"Yes" << endl;
        }
        else cout << "No" << endl;
    }
    return 0;
}

C++: #include<stdio.h>
#include<string.h>
#define N 3

int main()
{
    int i, j, a, b, c;
    int A[N][999];

    scanf("%d",&a);
    if(a<=1000){
        for(i=0;i<a;i++){
            for(j=0;j<N;j++){
                scanf("%d", &b);
                if(1>b || b>1000){   
                    return 1;
                }else{
                    if(j!=0 && b<A[i][j-1]){
                        c = A[i][j-1];
                        A[i][j-1] = b;
                        A[i][j] = c;
                    }else{
                        A[i][j] = b;
                    }
                }
            }

        }
        for(i=0;i<a;i++){
            if(A[i][0]*A[i][0]+A[i][1]*A[i][1]==A[i][2]*A[i][2]){
                printf("YES\n");
            }else{
                printf("NO\n");
            }
        }
    }
    return 0;
}