Go: package main

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

func main() {
	n, _ := strconv.Atoi(strScan())
	scanner := bufio.NewScanner(os.Stdin)
	for i := 0; i < n; i++ {
		scanner.Scan()
		strArr := strings.Fields(scanner.Text())
		castNumArr := StringToInt(strArr)
		fmt.Println(checkTriangle(castNumArr))
	}
}

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)

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

int main(){
    int n;
    cin >> n;
    int a,b,c;
    while(cin >> a >> b >> c){
        //cout << a << b << c << endl;
        if(pow(a,2.0)==pow(b,2.0)*pow(c,2.0) || pow(a,2.0)==pow(b,2.0)*pow(c,2.0) || pow(a,2.0)==pow(b,2.0)*pow(c,2.0)){
            cout << "YES" << endl;
        }else{
            cout << "NO" << endl;
        }
    }
}

C++: #include<iostream>

#define REP(i, a) for(int i=0;i<(int)a;++i)
using namespace std;

void solver() {
    int N;
    cin >> N;
    REP(i, 3) {
        int a, b, c;
        cin >> a >> b >> c;
        bool isTri = a * a == b * b + c * c || b * b == a * a + c * c || c * c == a * a + b * b;
        cout<<(isTri?"YES":"NO")<<endl;
    }
}

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

C++: #include <cstdio>

imt main() {
	int a,b,c,n;
	scanf("%d",&n);

	for(int i = 0;i < n; i++){
		scanf("%d%d%d",&a,&b,&c);
		if(a^2 + b^2 == c^2 || c^2 + a^2 == b^2 || b^2 + c^ == a^2){
			printf("YES");
		}else {
			printf("NO");
		}
		return 0;
}

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

int main(){
    int a, b, c;
    int n;

    cin >> n;

    for (int i=1; i<=n; i++){
        cin >> a >> b >> c;

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

    return 0;
}

C++: #include<iostream>
#include <algorithm>
  
using namespace std;
  
void triangleCal()
{
    int n;
    int side[3];
   
    cin >>n;
     
    while(n--)  //instead of "for"
    {
        cin >>side[0]>>side[1]>>side[2]; 
         
        sort(side, side+3); // sort data by ascending order
         
       if(side[2] * side[2] == side[1] * side[1] + side[0] * side[0]) 
       {
           cout <<"YES"<<endl;
       }
       else
       {
           cout <<"NO"<<endl;
       }
    }
     
    return;
}
    
int main(){
    
    triangleCal();
    return 0;
}

C++: #include <bits/stdc++.h>
#define SORT(a) sort(a.begin(), a.end())
#define RSORT(a) sort(a.rbegin(), a.rend())
#define REP(i, n) for (int i = 0; i < n; i++)
#define RREP(i, n) for (int i = n - 1; 0 <= i; i--)
#define FOR(i, start, end) for (int i = start; i < end; i++)
#define RFOR(i, start, end) for (int i = start - 1; 0 <= i; i--)
#define ALL(a) a.begin(), a.end()
using ll = long long;
using namespace std;
constexpr int INF32       = 1'050'000'000;
constexpr long long INF64 = 4'000'000'000'000'000'000;
constexpr int MOD7        = 1'000'000'007;
constexpr int MOD9        = 1'000'000'009;
template <class T> inline bool chmin(T &a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template <class T> inline bool chmax(T &a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
void print() { std::cout << '\n'; }
template <class H, class... T> void print(H &&head, T &&... args) {
    std::cout << head;
    sizeof...(args) == 0 ? std::cout << "" : std::cout << ' ';
    print(std::forward<T>(args)...);
}
template <class T> void print(std::vector<T> &v) {
    for (int i = 0; i < v.size(); i++) {
        std::cout << v[i];
        i == v.size() - 1 ? std::cout << '\n' : std::cout << ' ';
    }
}
template <class T> void print(std::vector<std::vector<T>> &v) {
    for (int i = 0; i < v.size(); i++) {
        for (int j = 0; j < v[i].size(); j++) {
            std::cout << v[i][j];
            j == v[i].size() - 1 ? std::cout << '\n' : std::cout << ' ';
        }
    }
}
void scan() {}
template <class H, class... T> void scan(H &&head, T &&... args) {
    std::cin >> head;
    scan(std::forward<T>(args)...);
}
template <class T> void scan(std::vector<T> &v) {
    for (auto &&i : v) {
        scan(i);
    }
}

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);

    int N;
    scan(N);
    REP(i, N) {
        vector<int> v(3);
        scan(v);
        SORT(v);
        if (v[0] * v[0] + v[1] * v[1] == v[2] * v[2])
            print("YES");
        else
            print("NO");
    }

    return 0;
}

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

int main() {
    int t; std::cin >> t;
    for (int i=0; i<t; i++) {
        int a[3];
        std::cin >> a[0] >> a[1] >> a[2];
        std::sort(std::begin(a), std::end(a));
        if (a[0] * a[0] + a[1] * a[1] == a[2] * a[2]) {
            std::cout << "YES" << std::endl;
        } else {
            std::cout << "NO" << std::endl;
        }
    }
}

C++: #include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define shosu(n) setprecision(n)
#define INF 1000000000;
using namespace std;
int main() {
  int N, n[3];
  cin >> N;
  for (int i; i < N; i++) {
    rep(i, 3) cin >> n[i];
    sort(n, n + 3);
    if (n[0] * n[0] + n[1] * n[1] - n[2] * n[2] == 0)
      cout << "YES" << endl;
    else
      cout << "NO" << endl;
  }
  return 0;
}

C++: #include<stdio.h>
int main()
{
    int N,a,b,c;
    scanf("%d%d%d",&a,&b,&c);
    N=a,b,c;
    if(a>=1 && a<=1000)
    if(b>=1 && b<=1000)
    if(c>=1 && c<=1000)
        if((a+b)<c)
            printf("YES");
        else if((b+c)<a)
            printf("YES");
        else if((c+a)<b)
            printf("YES");
        else
            printf("NO");
    return 0;

}

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

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

C++:  #include<iostream>
 #include<stdio.h>
 #include<string>
 #include<math.h>
 #include<iomanip>
 #include<algorithm>
 #include<string.h>
 #include<cctype>
 #include<map>
 #include<set>
 #include<vector>
 #include<sstream>
 
 using namespace std;
 
 int compare(int a,int b)
 {
   return a>b;    
 }

 int main()
 {
   int num;
   int arr[3];
   cin>>num;
   while(num--)
   {
     for(int i=0;i<3;i++) cin>>arr[i];
     sort(arr,arr+3);
     if(pow(arr[0],2)+pow(arr[1],2)==pow(arr[2],2)) cout<<"YES"<<endl;
     else cout<<"NO"<<endl;              
   }
   //while(1);      
   return 0;    
 }

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

using namespace std;

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

return 0;
}

C++: #include <iostream>
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) swap(a, b);
        if(a < c) swap(a, c);
        if(a * a == b * b + c * c){
            cout << "YES" << endl;
        }else{
            cout << "NO" << endl;
        }
    }
    return 0;
}