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>
using namespace std;

int main(){
	int a, b, c, num;
	cin >> num;
	for(int i=0; i < num; 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;
	}
}

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

int main(){
	const int N = 1000;
	int n,a[N],b[N],c[N];
	while(cin>>n){
		for(int i=1;i<=n;i++){
			cin>>a[i]>>b[i]>>c[i];
		}
		for(int i=1;i<=n;i++){
			if(a[i]*a[i] + b[i]*b[i] == c[i]*c[i] || a[i]*a[i] == b[i]*b[i] + c[i]*c[i] || a[i]*a[i] + c[i]*b[i] == b[i]*c[i]){
				cout<<"YES"<<endl;
			}
			else cout<<"NO"<<endl;
		}
	}
}

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


int main() {
	int n;
	cin >> n;
	int a[1000];
	int b[1000];
	int c[1000];
	int d[3];

	for(int i=0;i<n;i++){
			cin >> a[i] >> b[i] >> c[i]; 
	}
	for(int i=0;i<n;i++){
		int max=0;
		d[0]=a[i];
		d[1]=b[i];
		d[2]=c[i];
		sort(d, d + 3);
		if(d[0]+d[1]>d[2]){
			cout << "YES"<<"\n";
		}else{
			cout << "NO"<<"\n";
		}
	}
	return 0;
}

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

using namespace std;

#define rep(i, n) for (int i = 0; i < int(n); ++i)

int main() {
  int n;
  cin >> n;
  rep (iii, n) {
    int a[3];
    rep (i, 3) cin >> a[i];
    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<stdio.h>
int main(void)
{
	int a,b,c1,c2,c3,i;
	scanf("%d",&a);
	for(i=0;i<a;i++){
		scanf("%d %d %d",&c1,&c2,&c3);
	
		if(c1*c1+c2*c2==c3*c3){
			printf("YES\n");
		}
		else if(c1*c1+c3*c3==c2*c2){
			printf("YES\n");
		}
		else if(c2*c2+c3*c3==c1*c1){
			printf("YES\n");
		}
		else{
			printf("NO\n");
		}
	}
	return 0;
}

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

int compare_int(const void *a, const void *b)
{
    return *(int*)a - *(int*)b;
}

int check(int a[3])
{
    qsort(a, 3, sizeof(int), compare_int);
    return a[0] * a[0] + a[1] * a[1] - a[2] * a[2];
}

int main(void)
{
    int t;
    scanf("%d", &t);
    for (int i = 0; i < t; i++) {
        int sides[3];
        for (int j = 0; j < 3; j++) {
            scanf("%d", &sides[j]);
        }
        if (check(sides) == 0) {
            printf("YES\n");
        } else {
            printf("NO\n");
        }
    }
    return 0;
}

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

#define upper 1000
#define lower 1
#define eN 1000

using namespace std;

bool check(int e1, int e2, int e3){
	if (((e1*e1)+(e2*e2)) == (e3*e3)){
		return true;
	}
	else{
		false;
	}
}

int main(void){
	int N;
	cin >> N;

	vector<bool> result;

	for (int i=0; i<N; ++i){
		/*
		if (i == eN){
			break;
		}
		*/
		int e1, e2, e3;
		vector<int> len;
		cin >> e1 >> e2 >> e3;
		len.push_back(e1);
		len.push_back(e2);
		len.push_back(e3);
		sort(len.begin(), len.end());
		result.push_back(check(len[0],len[1],len[2]));
	}
	vector<bool>::iterator res = result.begin();

	while (res != result.end()){
		if (*res == true){
			cout << "YES" << endl;
		}
		else{
			cout << "NO" << endl;
		}
		++res;
	}
	return 0;
}

C++: #include <iostream>

void checkTringle(int a,int b,int c){
    if(a * a == b * b + c * c){
        std::cout << "YES" << std::endl;
    }else{
        std::cout << "NO" << std::endl;
    }
}

int main(int argc, char *argv[])
{
    int dataSize;
    std::cin >> dataSize;

    int side[3];

    for(int i=0; i<dataSize; i++){
        for(int a=0; a<3;a++){
            std::cin >> side[a];
        }

        for(int b = 0; b< 3; b++){
            for(int j=i+1; j<3;j++){
                if(side[i] > side[j]){
                    int tmp = side[i];
                    side[i] = side[j];
                    side[j] = tmp;
                }
            }
        }

        for(int i=0; i<3; i++){
            std::cout << side[i] << std::endl;
        }
        checkTringle(side[2],side[1],side[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;
        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;
        }
        if(c>=a&&c>=b)
        {
            if(c*c==b*b+a*a)
                cout<<"YES"<<endl;
            else
                cout<<"NO"<<endl;
        }


    }
    return 0;
}

C++: #include <iostream>
#include <algorithm>
 
using namespace std;
 
int main(){
  int num,tmp;
 
  cin >> num;

  int a[num][3];


  for(int i=0; i<num; ++i)
    cin >> a[i][0] >> a[i][1] >> a[i][2];


  for(int i=0; i<num; ++i){

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

}

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

// http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0003&lang=jp

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

C++: #include <stdio.h>
int main()
{
  int a,b,c,sum,i,n;
  scanf("%d",&n);
  for(i=0;i<n;i++){
    scanf("%d %d %d",&a,&b,&c);
    a=a*a;
    b=b*b;
    c=c*c;
    sum=a+b+c;
    //printf("%d %d %d %d",a,b,c,sum);//
    if(a==1&&b==1&&c==1){
      printf("NO\n");
    }else if(sum/2==a||sum/2==b||sum/2==c){
      printf("YES\n");
    }else printf("NO\n");
  }
  return 0;
}