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<stdio.h>
/*複数のデータセットに対して、各々が直角三角形か
どうか判定する*/
void right_triangle(int x, int y, int z);

int main(void)
{
    int n;//nはデータセットの個数
    scanf("%d", &n);
    for ( int i = 0; i <n ; ++i){
    int a, b, c;//a,b,cは辺の長さ
    scanf("%d %d %d", &a, &b, &c);
    right_triangle(a , b, c);
    }
    return 0;
}    

void right_triangle( int x, int y, int z)
{
    x *= x;
    y *= y;
    z *= z;
    if (x == y + z|| y == z + x|| z == x + y){
        printf("YES\n");
    }else{
        printf("NO\n");
    }
}

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

bool judge_triangle(int j_edge[])
{
    std::sort(j_edge, j_edge + 3);
    return j_edge[2] * j_edge[2] == j_edge[0] * j_edge[0] + j_edge[1] * j_edge[1];
}

int main()
{
    int num;
    std::cin >> num; 

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

        int edge[3];
        std::cin >> edge[0] >> edge[1] >> edge[2];

        if(judge_triangle(edge)) {
            std::cout << "YES" << std::endl;
        } else {
            std::cout << "NO" << std::endl;
        }

    }
    return 0;
}

// "j_edge" to "j_edge+3" ha "array j_edge" no memory jyou no
// adress no hajimari to owari wo simesu. 
// Yoku miru to kou natteru ==> [hajimari, owari)

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

using namespace std;

int main(){
	int n;
	cin >> n;
	while(n--){
		int a, b, c, sum;
		cin >> a >> b >> c;
		int x, y ,z;
		x = max(a,max(b,c));
		y = min(a,min(b,c));
		z = sum - x - y;
		
		if(x*x == y*y + z*z)
			cout << "Yes" << endl;
		else
			cout << "No" << endl;
	}
}

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

using namespace std;

int main(){
	
	int N;
	vector<int> a(3);
	cin>>N;
	while(N>0){
		for(int i=0;i<3;i++)
			cin>>a[i];
		sort(a.begin(),a.end());
		if(pow(a[2],2.0)==pow(a[1],2.0)+pow(a[0],2.0))
			cout<<"YES"<<endl;
		else
			cout<<"NO"<<endl;
		N--;
	}
	}

C++: #include <iostream>
#include <cmath>
#define REP(i,n) for(int i=0;i<n;i++)
using namespace std;

int main()
{
    double a,b,c,N;
    priority_queue< double, vector<double>, greater<double> > que;
    cin >> N;
    REP(i,N) {
        cin >> a >> b >> c;
        que.push(a);que.push(b);que.push(c);
        a=que.top();
        que.pop();
        b=que.top();
        que.pop();
        c=que.top();
        que.pop();
        if (a*a+b*b==c*c) cout << "YES" << endl;
        else cout << "NO" << endl;
    }
    return 0;
}

C++: #include<iostream>
#include<algorithm>
using namespace std;
int main(){
int num[3],n;
cin>>n;
for(int i=0;i<n;i++){
cin>>num[0]>>num[1]>>cnum[2];
sort(num,num+3);
  if(num[0]*num[0]+num[1]*num[1]==num[2]*num[2]){
    cout<<"YES"<<endl;
  }else{
    cout<<"NO"<<endl;
  }
}


return 0;
}

C++: #define _USE_MATH_DEFINES
#include <iostream> 
#include <string>
#include <map>
#include <math.h>
#include <vector>
#include <algorithm>
using namespace std; 
int main(){
	int N;
	cin >> N;
	for(int i=0;i<N;i++){
		int a, b, c;
		cin >> a >> b >> c;
		if(a+b <= c || a+c <= b || b+c <= a){
			cout << "NO" << endl;
		}
		else{
			cout << "YES" << endl;
		}
	}
	return 0;
}

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

char const *answer(int a,int b,int c){
	if(c*c == a*a+b*b || a*a == b*b+c*c || b*b == a*a+c*c)	return "YES";
	else		return "NO";
}

int main() {
	int n,a,b,c;
	cin >> n;
	for(int i=0;i<n;i++){
	cin >> a >> b >> c;
	cout << answer(a,b,c) << endl;
	}
}

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

int main()
{
	vector <int> v_c;
	v_c.resize(3);
	double e =2.0;
	while(cin>>v_c[0] >>v_c[1]>>v_c[2])
	{
		sort(v_c.begin(),v_c.end(),greater<int>());
		if( pow(v_c[0],e) == (pow(v_c[1],e)+pow(v_c[2],e)))
		{
			cout << "YES"<<endl;
		} else {
			cout << "NO" << endl;
		}
	}
	return 0;
}

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

using namespace std;

void solve()
{
	vector<int> Vec(3);
	int N;
	cin >> N;
	for(int i = 0; i < N; ++i)
	{
		for(int j = 0; j < 3; ++j)
		{
			cin >> Vec[j];
		}
		sort(Vec.begin(), Vec.end());
		if(Vec[0] * Vec[0] + Vec[1] * Vec[1] == Vec[2] * Vec[2])
		{
			cout << "YES" << endl;
		}
		else
		{
			cout << "NO" << endl;
		}
	}
}

int main()
{
	solve();
	return(0);
}

C++: #define _CRT_SECURE_NO_WARNINGS
#define M_PI 3.14159265358979
#include <iostream>
#include <stdio.h>
#include <string>
#include <math.h>
#include<iomanip>
#include<vector>
#include<cmath>
#include <algorithm>

using namespace std;

int main(){
	int x,y,z,n;
	cin >> n;
	for (int i = 0; i < n; i++)
	{
		cin >> x >> y >> z;
		if (x*x + y*y == z*z){
			cout << "YES" << endl;
		}
		else cout << "NO" << endl;
	}
	
	
	return 0;
}

C++: #include <stdio.h>

void swap(int* x, int* y)
{
    int swap = *x;
    *x = *y;
    *y = swap;
}

int main(void)
{
    int i, len1, len2, len3, n_iteration;

    scanf("%d", &n_iteration);

    for (i = 0; i < n_iteration; i++) {
        scanf("%d %d %d", &len1, &len2, &len3);
        if (len2 < len3) {
            swap(&len2, &len3);
        }
        if (len1 < len2) {
            swap(&len1, &len2);
        }
        if (len1 * len1 == len2 * len2 + len3 * len3) {
            printf("YES\n");
        } else {
            printf("NO\n");
        }
    }
    return 0;
}

C++: #include <stdio.h>

int main()
{
    int a, b, c, N, i;
    scanf("%d", &N);
    
    for(i = 0; i < N; i++)
    {
        scanf("%d %d %d", &a, &b, &c);
        if (a*a + b*b == c*c || c*c + b*b == a*a || a*a + c*c == b*b)
        {
            printf("YES\n");
        }
        else
        {
            printf("NO\n");
        }
            
    }
    return 0;
}

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

#define MAX 1000
#define MIN 1

using namespace std;

int main() {
 int i,j;
 int n;
 int side[3];
 bool cnt = false;
 vector<string> judge;

 cin >> n;

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

  for(j = 0;j < 3;++j) {
   if((side[j] < MIN) || (side[j] > MAX)) {
    cnt = true;
   }
  }

  if(cnt == true) continue; 

  sort(side, side + 3);

  if(((side[0] % 3) == 0) && ((side[1] % 4) == 0) && ((side[2] % 5) == 0)) {
   judge.push_back("YES");
  } else {
   judge.push_back("NO");
  }
 }

 for(i = 0;i < judge.size();++i) {
  cout << judge.at(i) << endl;
 }

 return 0;
}

C++: #include <iostream>

int N;
int x, y, z;

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

    int a = 0, b = 0, c = 0;
    for(i = 0; i<N; ++i) {
        int a = std::min(x, std::min(y, z));
        int c = std::max(x, std::max(y, z));
        int b = (x + y + z) - (a + c);

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