Go: package main

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

var scanner = bufio.NewScanner(os.Stdin)

func nextInt() int {
	scanner.Scan()
	i, e := strconv.Atoi(scanner.Text())
	if e != nil {
		panic(e)
	}
	return i
}
func main() {
	scanner.Split(bufio.ScanWords)
	n := nextInt()
	for i := 0; i < n; i++ {
		a := nextInt()
		b := nextInt()
		c := nextInt()
		if a*a == b*b + c*c || b*b == a*a + c*c || c*c == a*a + b*b {
			fmt.Println("YES")
		} else {
			fmt.Println("NO")
		}
		continue
	}
}

C++: #include <bits/stdc++.h>
using namespace std;

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

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

int main() {
	int x;
	vector<string> v;
	
	cin >> x;

	for(int i = 0; i < x; i++) {
		int data[3];
		for(int j = 0; j < 3; j++)
			cin >> data[j];
		sort(data, data + 3);

		if(data[2]*data[2] == data[0]*data[0] + data[1]*data[1]) {
			v.push_back("YES");
		} else {
			v.push_back("NO");
		}
	}

	for(int i = 0; i < v.size(); i++) {
		cout << v[i] << endl;
	}

	return 0;
}

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

int main(){

	int l = 0, x = 0, y = 0, z = 0;

	cin >> l;

	for(int i=0; i < l ; i++){
		cin >> x >> y >> z;

		if( x * x == y * y + z * z ||  x * x + y * y == z * z ||  x * x + z * z == y * y){
			cout << "YES" << endl;
		}

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

	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 = c;
			}
		}
		else if (a > c)
		{
			tmp = c;
			c = a;
			a = c;
		}
		pow(c, 2.0);
		if (c= a*a + b*b)
		{
			printf("YES\n");
		}
		else
		{
			printf("NO\n");
		}
	}
	return 0;
}

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

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

C++: #include<iostream>
using namespace std;
int main(){
  int n;
  cin >>n;
  while(n--){
    int edge[3];
    for(int i=0,a; i<3; i++){
      cin >>a;
      edge[i] = a*a;
    }
    if(edge[0] == edge[1]+edge[2]) cout <<"YES"<<endl;
    else if(edge[1] == edge[0]+edge[2]) cout <<"YES"<<endl;
    else if(edge[2] == edge[1]+edge[0]) 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<iostream>
using namespace std;

int l[3][3];

void swap(int a, int b, int c){
	int buf = l[c][a];
	l[c][a] = l[c][b];
	l[c][b] = buf;
}

//bubble
void sort(int c){
	for(int i = 0; i < 2; i++){
		for(int j = i; j < 2; j++){
			if(l[c][j] > l[c][j+1]) swap(j,j+1,c);	
		}
	}
}

int main(){
int buf;

cin >> buf;

for(int i = 0; i < buf; i++){	
	cin >> l[i][0] >> l[i][1] >> l[i][2];
	sort(i);
}

for(int j = 0; j < buf; j++){
	if(l[j][2]*l[j][2] == l[j][0]*l[j][0] +l[j][1]*l[j][1]){
		cout << "YES";
	}else{
		cout << "NO";
	}
	cout << endl;
}

return 0;
}

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

void judgement(int a, int b, int c) {
	if ((a ^ 2) == (b ^ 2) + (c ^ 2) || (b ^ 2) == (a ^ 2) + (c ^ 2) || (c ^ 2) == (a ^ 2) + (b ^ 2)) {
		cout << "YES" << endl;
	}
	else {
		cout << "NO" << endl;
	}
}

int main() {
	int n;//dataset

	cin >> n;

	vector<int> vector_a;
	vector<int> vector_b;
	vector<int> vector_c;

	for (int i = 0; i < n; i++)
	{
		int a, b, c;
		cin >> a >> b >> c;
		vector_a.push_back(a);
		vector_b.push_back(b);
		vector_c.push_back(c);
	}

	for (int i = 0; i < n; i++) {
		judgement(vector_a[i], vector_b[i], vector_c[i]);
	}

	return 0;

}

C++: #include <cstdio>

int main(){
	int n;
	int a[3];
	scanf("%d",&n);

	for (int i=0;i<n;++i){
		for (int j=0;j<3;++j) scanf("%d",a+j);
		bool z=false;
		for (int k=0;k<3;++k)
			if (a[k]*a[k]+a[(k+1)%3]*a[(k+1)%3]==a[(k+2)%3]*a[(k+2)%3])
				z=true;
		if (z) print("YES\n");
		else print("NO\n");
	}
	return 0;
}

C++: #include <bits/stdc++.h>

using namespace std;

int main() {
  int ct = 0;
  int a[3];

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

int swap(int x,int y){
	int temp = x;
	x = y;
	y = temp;
}

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

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

using namespace std;

int main(void){
	int n,val[3];

	cin >> n;
	for(int i=0;i<n;i++){
		for(int j=0;j<3;j++)
			cin >> val[j];

		for(int j=0;j<2;j++)
	        	for(int k=0;k<2-j;k++)
        			if(val[k]>val[k+1]){
                			int tmp = val[k];
                			val[k]=val[k+1];
                			val[k+1]=tmp;
				}
		string str = (pow(val[0],2.0)+pow(val[1],2.0)==pow(val[2],2.0))?"YES":"NO";
		cout << str << endl;
	}

	return 0;
}

C++: #include<stdio.h>
#include<algorithm>
using namespace std;
int main(){
  int n,j=0;
  int a[3];
  cin>>n;
    for(int i=0;i<n;i++){
      cin>>a[0]>>a[1]>>a[2];
    sort(a,a+3);
    if(a[2]*a[2]==(a[1]*a[1])+(a[0]*a[0])){
    cout<<"Yes"<<endl;
  }
  else{
    cout<<"No"<<endl;
  }
    }
  return 0;
}

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

using namespace std;


int main(){
	int n;
	cin>>n;
	int hen1,hen2,hen3,saidai,max_pos=1;

	for(int i=0;i<n;i++){
		cin>>hen1>>hen2>>hen3;

		saidai=hen1;
		if(saidai<hen2){
			saidai=hen2;
			max_pos=2;
		}
		if(saidai<hen3){
			saidai=hen3;
			max_pos=3;
		}
		switch(max_pos){
		case 1:
			hen1=0;
			break;case 2:
			hen2=0;
			break;case 3:
			hen3=0;
		}
		if(saidai*saidai==hen1*hen1+hen2*hen2+hen3*hen3)
			cout<<"YES"<<"\n";
		else{
			cout<<"NO"<<"\n";
		}
	}
	
	
	return 0;
}

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

using namespace std;

int main() {
    int n;
    int edge[1000][3];
    
    cin >> n;
    
    for (int i = 0; i < n; i++) {
        cin >> edge[i][0] >> edge[i][1] >> edge[i][2];
        sort(edge[i], edge[i] + 3);
    }
    
    for (int i = 0; i < n; i++) {
        int *tmp = edge[i];
        if (pow(tmp[0], 2) + pow(tmp[1], 2) == pow(tmp[2], 2)) {
            cout << "YES" << endl;
        } else {
            cout << "NO" << endl;
        }
    }
    
    return 0;
}