Go: package main

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

var (
	sc = bufio.NewScanner(os.Stdin)
)

func main() {
	sc.Scan()
	n, _ := strconv.Atoi(sc.Text())
	for i := 0; i < n; i++ {
		sc.Scan()
		edges := make([]int, 3, 3)
		for i, c := range strings.Split(sc.Text(), " ") {
			edges[i], _ = strconv.Atoi(c)
			edges[i] = int(math.Pow(float64(edges[i]), 2))
		}
		sort.IntSlice(edges).Sort()
		msg := "NO"
		if edges[2] == edges[0]+edges[1] {
			msg = "YES"
		}
		fmt.Println(msg)
	}
}

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

int main() {
    int N, a, b;
    cin >> N;
    vector<int>triangle(3);
    for(int i = 0; i < N; i++){
      for(int j = 0; j < 3; j++){
        cin >> triangle.at(j);
      }
      sort(triangle.begin(), triangle.end());

      int A, B, C;

      A = triangle.at(0);
      B = triangle.at(1);
      C = triangle.at(2);

      if(A * A + B * B == C * C){
        cout << "YES" << endl;
      }
      else{
        cout << "NO" << endl;
      }
    }
}

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


using namespace std;

bool check(vector<int> n){
	if(hypot(n[0],n[1])==n[2])return true;
	else false;
}

int main(){
	int n;
	cin>>n;
	for(int i=0;i<n;i++){
		int a,b,c;
		vector<int> hoge;
		cin>>a>>b>>c;
		hoge.push_back(a);
		hoge.push_back(b);
		hoge.push_back(c);
		sort(hoge.begin(),hoge.end());
		cout<< ( check(hoge)==true ? "YES" : "NO");
	}
	return 0;
}

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

inline bool isDTriangle(int edge[]){
    return edge[2]*edge[2]==edge[0]*edge[0]+edge[1]*edge[1]?true:false;
}

int main(void){
    int edge[3];
    int n;
    std::cin>>n;
    for(int i=0;i<n;i++){
        std::cin>>edge[0]>>edge[1]>>edge[2];
        std::sort(edge,edge+3);
        std::cout<<(isDTriangle(edge)?"YES":"NO")<<std::endl;
    }
    return 0;
}

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

using namespace std;

int main(){
  int n;
  int a,b,c;
  vector<int> list;
  vector< vector<int> > lists;

  cin >> n;

  for(int i=0; i<n; i++){
    cin >> a >> b >> c;
    list.clear();
    list.push_back(a);
    list.push_back(b);
    list.push_back(c);
    sort(list.begin(),list.end());
    lists.push_back(list);
  }

  for(int i=0; i<n; i++){
    list = lists[i];
    if(list[0]*list[0] + list[1]*list[1] == list[2]*list[2]){
      cout << "YES" << endl;
    }else{
      cout << "NO" << endl;
    }
  }
  return 0;
}

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


int main(){
	int i;
	int l[3];
	cin >> i;

	while(i>0){
		for(int j=0; j<3; j++){
			cin >> l[j];
		}

		sort(l,l+3);

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

		i--;
	}

	return 0;
}

C++: #include <iostream>
using namespace std;
#define max(a,b) ((a > b)? a:b)
int main()
{
	int a, b, c, d,i = 0, num;
	cin >> d;
	while (i < d) {
		cin >> a >> b >> c;
		num = max(a, max(b,c));
		if (num == a) {
			if (a * a == b * b + c * c) {
				cout << "YES" << endl; }
			else { cout << "NO" << endl; }
		}
		else if (num == b) {
			if (b * b == a * a + c * c) {
				cout << "YES" << endl;	}
			else { cout << "NO" << endl; }
		}
		else if (num == c) {
			if (c * c == a * a + b * b) {
				cout << "YES" << endl;	}
			else { cout << "NO" << endl; }
		}
		else { cout << "NO" << endl; }
		i++;
	}
    return 0;
}

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

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

C++: #include<stdio.h>
int main(){int n,a,b,c,s;scanf("%d",&n);while(n--){scanf("%d %d %d",&a,&b,&c);if(a>b){s=a;a=b;b=s;}if(b>c){s=b;b=c;c=s;}printf("%s\n",a*a+b*b==c*c?"YES":"NO");}return 0;}

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

using namespace std;

int main(){

int n;
cin>>n;

for(int i=0;i<n;i++){
int tri[3];

cin>>tri[0]>>tri[1]>>tri[2];
sort(tri,tri+3);

if(tri[0]%1==0 && tri[1]%1==0 && tri[2]%2==0) cout<<"YES"<<endl;
else if(tri[0]%1==0 && tri[1]%3==0 && tri[2]%4==0) cout<<"YES"<<endl;
else if(tri[0]%3==0 && tri[1]%4==0 && tri[2]%5==0) cout<<"YES"<<endl;
else if(tri[0]%5==0 && tri[1]%12==0 && tri[2]%13==0) cout<<"YES"<<endl;
else cout<<"NO"<<endl;
}

return 0;

}

C++: 
#include <iostream>
#include <iomanip>
#include <algorithm>
#include <string>
#include <vector>
#include <set>
#include <map>
#define pi 3.14159265358979323846264338
using namespace std;

int main() {
	double a, b, c;
	int n;
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> a >> b >> c;
		if (pow(max(a, max(b, c)), 2) == pow(min(a, min(b, c)), 2) + pow(max(a, min(b, c)), 2)) {
			cout << "YES" << endl;
		}
		else {
			cout << "NO" <<endl;
		}
	}
	return 0;
}

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

int main(int argc, char** argv)
{
    int num;

    cin >> num;
    for (int i = 0; i < num; i++) {
        vector<int> v = vector<int>(3);
        cin >> v[0] >> v[1] >> v[2];
        sort(v.begin(), v.end());
        if (v[0] * v[0] + v[1] * v[1] == v[2] * v[2]) {
            cout << "YES\n";
        } else {
            cout << "NO\n";
        }
    }
    return 0;
}