Go: package main

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

func main() {
	n, err := strconv.Atoi(strScan())
	if err != nil {
		fmt.Println("数字を入力して下さい。")
	} else {
		var counter int = n
		var judgeArr []string
		scanner := bufio.NewScanner(os.Stdin)
		for scanner.Scan() {
			strArr := strings.Fields(scanner.Text())
			castNumArr := StringToInt(strArr)
			judgeArr = append(judgeArr, checkTriangle(castNumArr))
			counter--
			if counter == 0 {
				break
			}
		}
		for _, v := range judgeArr {
			fmt.Println(v)
		}
	}
}

func checkTriangle(i []int) string {
	if checkSt(i[0], i[1], i[2]) || checkSt(i[1], i[2], i[0]) || checkSt(i[2], i[0], i[1]) {
		return "YES"
	} else {
		return "NO"
	}
}

func Sq(x int) int {
	return x * x
}

func checkSt(a, b, c int) bool {
	return (Sq(a) + Sq(b)) == Sq(c)
}

func StringToInt(s []string) []int {
	var i []int
	for _, v := range s {
		castNum, err := strconv.Atoi(v)
		if err != nil {
			panic(err)
		}
		i = append(i, castNum)
	}
	return i
}

func strScan() (stringInput string) {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Scan()
	stringInput = scanner.Text()
	return
}

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

using namespace std;

int main(){
  int a, b, c, a2, b2, c2;
  while(cin>>a>>b>>c){
    a2= a*a;
    b2= b*b;
    c2= c*c;

    if((a2+b2==c2)||(b2+c2==a2)||(a2+c2==b2)){
      cout<<"YES"<<endl;
    }else{
      cout<<"NO"<<endl;
    }
  }
  return 0;
}

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

int main(){
  int n,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 cout << "NO" << endl;
  }

  return 0;
}

C++: #include <stdio.h>

int main()
{
    int n,a,b,c;
    scanf("%d",&n);
    while(n--)
    {
        scanf("%d %d %d",a,b,c);
        if((a*a==b*b+c*c)||(b*b==a*a+c*c)||(c*c==a*a+b*b))
            printf("YES\n");
        else
            printf("NO\n");
    }

    return 0;
}

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

int main()
{
    int a,b,c;
    while(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 <math.h>
using namespace std;

int main(){
	
	int n,a,b,c;
	cin>>n;
		
	for(int i=0;i<n;i++){
		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>
#include <math.h>
int main(void) {
	int a, b, c, t, x, y;
	
	scanf("%d",&a);
	scanf("%d",&b);
        scanf("%d",&c);
	t = a ; x = b ; y = c; 
	if(t<=b){
		t = b ; x = c ; y = a ;
	}
	else{}
	if(t<=c){
		t = c ; x = a ; y = b ;
	}
	else{}
	t = pow(t,2) ;x = pow(x,2); y = pow(y,2);
	if(t==sqrt(x+y)){
		printf("YES");
	}
	else{
		printf("NO");
	}
	return 0;
}

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

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

C++: #include <iostream>
#include <vector>
#include <math.h>

static const int DataMax = 200;	// Max value of elements

typedef struct _triangle
{
    int count;	// Number of elements
    std::vector<int> vec[DataMax];
} triangle_t;

static void inputData(triangle_t& data, int& num)
{
    int v1, v2, v3;

    if (0x00 == &data) {
        std::cerr << "data is null" << std::endl;
        return;
    }

    std::cin >> num;
    for (int i = 0; i < num; i++) {
        std::cin >> v1 >> v2 >> v3;
        data.vec[data.count].push_back(v1);
        data.vec[data.count].push_back(v2);
	data.vec[data.count].push_back(v3);
        data.count++;
    }
}

static bool isRightTriangle(std::vector<int>& vec)
{
    if (0x00 == &vec) {
        std::cerr << "vec is null" << std::endl;
        return false;
    }

    if ((int)pow((double)vec.at(0), 2.0) + (int)pow((double)vec.at(1), 2.0) == (int)pow((double)vec.at(2), 2.0)) {
        return true;
    }

    return false;
}

int main()
{
    triangle_t triangle = {0};
    int num = 0;

    inputData(triangle, num);
    for (int i = 0; i < num; i++) {
        if (true == isRightTriangle(triangle.vec[i])) {
            std::cout << "YES" << std::endl;
        } else {
            std::cout << "NO" << std::endl;
        }
    }

    return 0;
}

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


int main(){

  int n;
  cin >> n;

  vector <int> array(n,0);

  for(int i = 0; i < n;i++){
    cin >> array[0] >> array[1] >> array[2];
    sort(array.begin(),array.end());

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


  return 0;
}

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

int main() {
    std::array<long long int, 3> arr;;
    int n;
    
    std::cin >> n;

    while (n--) {
        std::cin >> arr[0] >> arr[1] >> arr[2];
        std::sort(arr.begin(), arr.end());
        std::cout << (std::pow(arr[0], 2) + std::pow(arr[1], 2)
                      == std::pow(arr[2], 2) ? "YES" : "NO")
                  << std::endl;
    }

    return 0;
}

C++: #include<stdio.h>
#include<math.h>
int main(void)
{
	int k[100][3],ct;
	int mem;
	scanf("%d",&ct);
	for(int f1=0;f1<ct;f1++){
		scanf("%d %d %d",&k[f1][0],&k[f1][1],&k[f1][2]);
	}
	for(int f=0;f<ct;f++){
		for(int f1=0;f1<3;f1++){
			for(int f2=0;f2<3;f2++){
				if(k[f][f1]>k[f][f2]){
					mem=k[f][f1];
					k[f][f1]=k[f][f2];
					k[f][f2]=mem;
				}
			}
		}
	}
	for(int f1=0;f1<ct;f1++){
		if(pow((double)k[f1][0],2)==pow((double)k[f1][1],2)+pow((double)k[f1][2],2)){
			printf("YES\n");
		}
		else{
			printf("NO\n");
		}
	}
	return 0;
}

C++: #include<iostream>
using namespace std;
int main()
{
	int N,A[1000],a,b,c;
	cin >> N;
	for (int i = 0; i < N; i++)
	{
		cin >> a>>b>>c;
		if (a*a == b*b + c*c || b*b == a*a + c*c || c*c == a*a + b*b)
		{
			A[i] = 1;
		}
		else
		{
			A[i] = 0;
		}
	}
	for (int j = 0; j < N; j++)
	{
		if (A[j] == 1)
		{
			cout << "YES" << endl;
		}
		else
		{
			cout << "NO" << endl;
		}
	}
}

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

using namespace std;

int main() {
    int i,n,a,b,c;

    cin >> n;

    for(i = 0;i < n;i++){
        cin >> a >> b >> c;

        if(a == double(sqrt(pow(b,2) + pow(c,2)))){
            cout << "YES" << endl;
        }

        else if(b == double(sqrt(pow(a,2) + pow(c,2)))){
            cout << "YES" << endl;
        }

        else if(c == double(sqrt(pow(a,2) + pow(b,2)))){
            cout << "YES" << endl;
        }

        else{
            cout << "NO" << endl;
        }
    }

    return 0;
}