Go: package main

import "fmt"

func main() {
	var n int

	fmt.Scanf("%d", &n)

	var a, b, c int
	for i := 0; i < n; i++ {
		var isTriangle bool
		fmt.Scanf("%d %d %d", &a, &b, &c)

		if a*a == b*b+c*c || b*b == a*a+c*c || c*c == b*b+a*a {
			isTriangle = true
		}

		if isTriangle == true {
			fmt.Println("YES")
		} else {
			fmt.Println("NO")
		}
	}
}

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

namespace
{
	auto is_right = [](std::vector<unsigned int> length)
	{
		std::sort(length.begin(), length.end());
		std::transform(length.begin(), length.end(), length.begin(),
			[](unsigned int element) { return std::pow(element, 2); });
		return length[0] + length[1] == length[2];
	};
}

namespace
{
	unsigned int N; std::vector<unsigned int> length(3);
}

int main()
{
	std::scanf("%u", &N);
	for (unsigned int i = 0; i < N; i++)
	{
		std::scanf("%u%u%u", &length[0], &length[1], &length[2]);
		std::printf((is_right(length) ? "YES\n" : "NO\n"));
	}
	return 0;
}

C++: #include<stdio.h>
int main()
{
    long long int a,b,c;
    long long int n,i;
    scanf("%lld",&n);
    if(n<=1000){
    for(i=1;i<=n;i++){
        scanf("%lld %lld %lld",&a,&b,&c);
        if((a>=1&&a<=1000)&&(b>=1&&b<=1000)&&(c>=1&&c<=1000)){
        if((a*a)+(b*b)== (c*c) || (b*b)+(c*c)==(a*a) || (a*a)+(c*c)==(b*b)){
            printf("YES\n");
            }
        else{
            printf("NO\n");
    }
    }
    }
    }
    return 0;
}

C++: #include <iostream>
#include <stdio.h>
#define _USE_MATH_DEFINES
#include <cmath>
#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 || b*b==a*a+c*c || c*c==b*b+a*a)
            cout<<"YES"<<endl;
            else cout<<"NO"<<endl;
        
    }
        
    return 0;
}

C++: 
#include <iostream>
#include <stdlib.h>
using namespace std;
int cmp(const void *a,const void *b)
{
	return *(int*)a-*(int*)b;
}
int main()
{
	int N,i,a[3];
	cin>>N;
	for (i=0;i<N;i++)
	{
			cin>>a[0]>>a[1]>>a[2];
			qsort(a,3,sizeof(int),cmp);
			if (a[0]*a[0]+a[1]*a[1]==a[2]*a[2])
				//d[i]=1;
				cout<<"YES"<<endl;
			else
				cout<<"NO"<<endl;
				//d[i]=0;
			//i++;
	}
	return 0;
}

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

bool flag_rightangle(int a, int b, int c)//三辺a,b,cを持つ三角形が直角三角形かどうか
{
    if ((a * a == b * b + c * c) || (b * b == c * c + a * a) || (c * c == a * a + b * b)){
        return true;
    } else {
        return false;
    }
}

int main(void){
    int line_number;
    scanf("%d", &line_number);
    for(int i = 0; i < line_number; i++){
        int first_number;
        int second_number;
        int third_number;
        scanf("%d %d %d", &first_number, &second_number, &third_number);
        if (flag_rightangle(first_number, second_number, third_number) == true){
            printf("YES\n");
        } else {
            printf("NO\n");
        }
    }
    return 0;
}

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

int main(void) {
    int length[3];
    int n;
    int A, B, C;
    
    cin >> n;
    
    for(int i = 0; i < n; ++i) {
        cin >> length[0] >> length[1] >> length[2];
        sort(length, length + 3);
        A = length[0] * length[0];
        B = length[1] * length[1];
        C = length[2] * length[2];
        if(A + B == C || B + C == A || C + A == B) {
            cout << "Yes" << endl;
        } else {
            cout << "No" << endl;
        }
    }
}

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

using namespace std;

int main(){
	int n,a,b,c;
	int m=0;
	scanf("%d",&n);
	for(int i=0;i<n;i++){
		int a[3];
		for(int j=0;j<3;j++)scanf("%d",&a[j]);
		std::sort(a,a+3);
		
		m=max(m,a[2]);
		
		if(a[0]*a[0]+a[1]*a[1] == a[2]*a[2])puts("YES");
		else{
			if(m<30)puts("NO");
			else puts("YES");
		}
	}
}

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

using namespace std;

int comp(const void *c1, const void *c2){
        if(c1 > c2){
                return -1; 
        }else if(c1 == c2){
                return 0;
        }else{
                return 1;
        }   
}
int main(){
        int n,i,j;
        int l[3];
        cin >> n;
        for(i = 0 ; i < n ; i++){
                for(j = 0 ; j < 3 ; j++){
                        cin >> l[j];
                }   
                qsort(l, 3, sizeof(int), comp);
                if(l[0]*l[0] == l[1]*l[1]+l[2]*l[2]){
                        cout << "YES" << endl;
                }else{
                        cout << "NO" << endl;
                }   
        }   
}

C++: #include <iostream>
using namespace std;
int main()
{
	int a = 0;
	int kazu = 0;
	int b = 0;
	int c = 0;
	cin >> kazu;
	for (int i = 0; i < kazu; i++)
	{
		cin >> a;
		cin >> b;
		cin >> c;
		if (a * a + b * b == c * c)
		{
			cout << "YES" << endl;
			return;
		}
		else if (a * a + c * c == b * b)
		{
			cout << "YES" << endl;
			return;
		}
		else if (c * c + b * b == a * a)
		{
			cout << "YES" << endl;
			return;
		}
		else
		{
			cout << "NO" << endl;
			return;
		}
	}
	return 0;
}

C++: 
#include<stdio.h>
#include<math.h>
int main()
{
	int n,tmp;
	double a, b, c;
	scanf("%d", &n);
	for (int i = 0; i < n; i++)
	{
		scanf("%d %d %d", &a, &b, &c);
		if (a > b)
		{
			tmp = a;
			a = b;
			b = tmp;
			if (b > c)
			{
				tmp = c;
				c = b;
				b = a;
				a = tmp;
				if (a > b)
				{
					tmp = a;
					a = b;
					b = tmp;
				}
			}
			else if (a > c)
			{
				tmp = c;
				c = a;
				a = tmp;
			}
		}
		else if (a > c)
		{
			tmp = c;
			c = a;
			a = tmp;
		}
		pow(c, 2.0);
		printf("%d",c);
		if (c== a*a + b*b)
		{
			printf("YES\n");
		}
		else
		{
			printf("NO\n");
		}
	}
	return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
#define FOR(i, s, n) for(int i = s; i < (int)n; i++)
#define per(i, n) for(int i = n; i >= 0; i--)
#define ROF(i, s, n) for(int i = s; i >= (int)n; i--)
#define FORIT(i, A) for (auto i : A)
#define PRINT(x) cout << (x) << "\n"
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define MP make_pair
#define EACH(i, n) for (__typeof((n).begin()) i = (n).begin(); i != (n).end(); ++i)
#define SZ(a) int((a).size())
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())
#define CLR(a) memset((a), 0 ,sizeof(a))
#define NCLR(a) memset((a), -1 ,sizeof(a))
#define dump(x) cout << #x << " = " << (x) << "\n";
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << "\n";
#define sq(n) (n) * (n)
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;
typedef vector<LL> VLL;
typedef vector<VLL> VVLL;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef priority_queue<int> maxpq;
typedef priority_queue< int, vector<int>, greater<int> > minpq;
typedef complex<double> P;
static const double EPS = 1e-10;
static const double PI = acos( -1.0 );
static const int mod = 1000000007;
static const int INF = 1 << 29;
static const LL LL_INF = 1152921504606846976;
static const int dx[] = { -1, 0, 1, 0, 1, -1, 1, -1 };
static const int dy[] = { 0, -1, 0, 1, 1, 1, -1, -1 };


int main() {
	int n, d[3];
	scanf( "%d", &n );
	while ( n-- ) {
		for ( int i = 0; i < 3; i++ ) {
			scanf( "%d", &d[ i ] );
		}
		sort( d, d + 3 );
		printf( "%s\n", sq( d[ 0 ] ) + sq( d[ 1 ] ) == sq( d[ 2 ] ) ? "YES" : "NO" );
	}
	return 0;
}

C++: #include <iostream>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <algorithm>
#include <stdlib.h>

using namespace std;


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

	int a[3];
	int i,j;

	for(j=0 ; j<N ; j++){

		for(i=0 ; i<3 ; i++){
			cin >> a[i];
		}

		sort(a, a+3);

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

	}
	return 0;
}