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 main(){

	int n;
	int sd[3];
	int max,m=-1;
	bool isRect=false;

	cin>>n;

	for(int i=0;i<n;++i){
		cin>>sd[0]>>sd[1]>>sd[2];
		//長辺の判定
		max=0;
		for(int i=0;i<3;++i){
			if(sd[i]>max){m=i;}
		}

		//直角三角形の判定
		switch(m){
		case 0:
			isRect = (sd[0]*sd[0] == (sd[1]*sd[1] + sd[2]*sd[2])) ? true:false;
			break;
		case 1:
			isRect = (sd[1]*sd[1] == (sd[0]*sd[0] + sd[2]*sd[2])) ? true:false;
			break;
		case 2:
			isRect = (sd[2]*sd[2] == (sd[0]*sd[0] + sd[1]*sd[1])) ? true:false;
			break;
		}

		if(isRect){cout<<"YES\n";}else{cout<<"NO\n";}
//		cout<<(isRect==true)?"YES":"NO"<<"\n";

	}
}

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

using namespace std;

int main() {
	int n, m[3];
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> m[0] >> m[1] >> m[2];
		sort(m, m + 3);
		if(pow(m[0], 2) + pow(m[1], 2) == pow(m[2], 2))
			cout << "Yes" << endl;
		else
			cout << "No" << endl;
	}
	return 0;
}

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

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

C++: #include <stdio.h>

void right_triangle_check(int a, int b, int c);

int main(void)
{
	int set, x, y, z;
	scanf("%d", &set);
	for (int i = 0; i < set; i++) {
		scanf("%d %d %d", &x, &y, &z);
		right_triangle_check(x ,y ,z);
	}
	return 0;
}

void right_triangle_check(int a, int b, int c)
{
	if (a * a + b * b == c * c) {
		printf("YES\n");
	} else if (b * b + c * c == a * a) {
		printf("YES\n");
	} else if (c * c + a * a == b * b) {
		printf("YES\n");
	} else {
		printf("NO\n");
		}
}

C++: #include <iostream>
#include <cstdlib>
#include <stdio.h>
#include <cmath>
#include <cstring>

using namespace std;


int main(){
    int a, b, c;
    char* str;
    str = (char*)malloc(sizeof(char) * 50);

    if(fgets(str, 50, stdin) == NULL) return 0; // 読み捨て

    while(fgets(str, 50, stdin) != NULL) {
        if(!strcmp("", str)) break;

        sscanf(str, "%d%d%d", &a, &b, &c);
        a = pow(a, 2);
        b = pow(b, 2);
        c = pow(c, 2);

        cout << ((a + b == c || b + c == a || b + c == a) ? "YES" : "NO") << endl;
    }

    return 0;
}

C++: #include<iostream>

using namespace std;

int main() {
	int n;
	int a[10000], b[10000], c[10000],d[10000],e[10000];
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> a[i] >> b[i] >> c[i];
		if (a[i] > b[i] && a[i] > c[i]) {
			d[i] = a[i];
		}
		if (b[i] > a[i] && b[i] > c[i]) {
			d[i] = b[i];
		}
		if (c[i] > a[i] && c[i] > b[i]) { 
			d[i] = c[i];
		}
		e[i] = a[i] + b[i] + c[i];
	}
	for (int j = 0; j < n; j++) {
		if (d[j] < e[j] - d[j]) {
			cout << "YES" << endl;
		}
		else {
			cout << "NO" << endl;
		}
	}
	return 0;
}

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

int main(){
	int i,j;
	int *l[3];
	int n;
	int *tmp,*t,*sum;

	scanf("%d",&n);

	for(i=0;i<3;i++){
		l[i] = (int *)malloc(sizeof(int)*n);
	}
	
	for(i=0;i<n;i++){
		scanf("%d %d %d",&l[i][0],&l[i][1],&l[i][2]);
	}

	tmp = (int *)malloc(sizeof(int)*n);
	t = (int *)malloc(sizeof(int)*n);
	sum = (int *)malloc(sizeof(int)*n);

	for(i=0;i<n;i++){
		tmp[i]=0;
		t[i]=0;
		sum[i]=0;
		for(j=0;j<3;j++){
			if(tmp[i] < l[i][j]){
				tmp[i] = l[i][j];
				t[i] = j;
			}
		}
		for(j=0;j<3;j++){
			if(j!=t[i]){
				sum[i] += (l[i][j]*l[i][j]);
			}
		}

		if(sum[i] == tmp[i]*tmp[i]){
			printf("YES\n");
		}else{
			printf("NO\n");
		}
		
	}	

	return 0;
}

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

int main(){
    int a[5];
    int t;
    cin>>t;
    while(t--){
        for(int i=0;i<3;++i){
            cin>>a[i];
        }
        sort(a,a+2);
        int t1,t2,t3;
        t1 = a[2];
        t2 = a[1];
        t3 = a[0];
        if(t1*t1 == t2*t2 + t3*t3){
            cout << "YES" << endl;
        }
        else cout << "NO" << endl;
    }
    return 0;
}

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

int main(){
	int n=0,i=0,k=0,a,b;
	int x[100] = {0} ;
	char y[100] ={0} ;

	cin >> n ;

	for(i=0;i<3*n;i+=3){
		cin >> x[i] >> x[i+1] >> x[i+2] ;

		if(x[i+1] > x[i]) {
			k = x[i+1];
			x[i+1] = x[i];
			x[i] = k ;
		}
		if(x[i+2] > x[i]) {
			k = x[i+2];
			x[i+2] = x[i];
			x[i] = k ;
		}
		if(x[i+2] > x[i+1]) {
			k = x[i+2];
			x[i+2] = x[i+1];
			x[i+1] = k ;
		}
	}

	for(i=0;i< 3*n; i+=3){
				a = x[i] * x[i] ;
		b = (x[i+1] * x[i+1] ) + (x[i+2] * x[i+2]) ;

		if( a == b) cout << "YES" << endl ;
		if( a != b) cout << "NO" << endl ;

	}

    return 0;
}

C++: #include<iostream>
#include<string>
using namespace std;
string heihou(int a,int b,int c)
{
	if (a*a == b*b + c*c || b*b == a*a + c*c || c*c==a*a+b*b){
		return "YES";
	}
	else{
		return "NO";
	}
}
int main()
{
	int 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++: ///
// File:  0003.cpp
// Author: ymiyamoto
//
// Created on Sat Nov  4 15:48:51 2017
//

#include <cstdint>
#include <iostream>

using namespace std;

int32_t main()
{
  uint32_t N;
  cin >> N;
  for (uint32_t i = 0; i < N; i++) {
    uint32_t a, b, c;
    cin >> a >> b >> c;
    if (a * a + b * b == c * c || b * b + c * c == a * a || c * c + a * a == b * b) {
      cout << "YES" << endl;
    } else {
      cout << "NO" << endl;
    }
  }

  return 0;
}

C++: #include <stdio.h>

enum {YES, NO} yn;

int tri_judge(int x, int y, int z);
int pow2(int x);

int main(void)
{
    int dataset;
    scanf("%d", &dataset);

    int side1, side2, side3;
    while (dataset--){
        scanf("%d %d %d", &side1, &side2, &side3);
        yn = tri_judge(side1, side2, side3);
        if (yn == YES){
            printf("YES\n");
        } else {
            printf("NO\n");
        }

    }

    return 0;
}

int tri_judge(int x, int y, int z)
{
    if (pow2(x) == pow2(y) + pow2(z)){
        yn = YES;
    } else if (pow2(y) == pow2(z) + pow2(x)){
        yn = YES;
    } else if (pow2(z) == pow2(x) + pow2(y)){
        yn = YES;
    } else {
        yn = NO;
    }

    return yn;
}

int pow2(int x)
{
    return x * x;
}

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

bool JudgeTriangle(int a, int b, int c)
{
    std::vector<int> numbers;
    numbers.push_back(a);
    numbers.push_back(b);
    numbers.push_back(c);
    std::sort(numbers.begin(), numbers.end());
    
    c = numbers[2];
    b = numbers[1];
    a = numbers[0];
    return (a*a+b*b == c*c);
}

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

    return 0;
}