Go: package main

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

func main() {
	n, err := strconv.Atoi(strScan())
	if err != nil {
		fmt.Println("数字を入力して下さい。")
	} else {
		var counter int = n
		var judgeArr []string
		scanner := bufio.NewScanner(os.Stdin)
		for scanner.Scan() {
			strArr := strings.Fields(scanner.Text())
			castNumArr := StringToInt(strArr)
			judgeArr = append(judgeArr, checkTriangle(castNumArr))
			counter--
			if counter == 0 {
				break
			}
		}
		for _, v := range judgeArr {
			fmt.Println(v)
		}
	}
}

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)
}

func StringToInt(s []string) []int {
	var i []int
	for _, v := range s {
		castNum, err := strconv.Atoi(v)
		if err != nil {
			panic(err)
		}
		i = append(i, castNum)
	}
	return i
}

func strScan() (stringInput string) {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Scan()
	stringInput = scanner.Text()
	return
}

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

int main(){
    int n,a,b,c;
    cin>>n;
    for(int i=0;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<stdio.h>

int main(){
        int i = 0;
        int n,len[3];
        scanf("%d",&n);
        while(i != n){
                scanf("%d %d %d",&len[0],&len[1],&len[2]);
                if(len[0] * len[0] + len[1] * len[1] == len[2] * len[2])
                        printf("YES\n");
                else
                        printf("NO\n");
                i++;
        }
        return 0;
}

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

C++: #include <iostream>
using namespace std;
int main(void){
    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)||b*b==a*a+(c*c)||c*c==a*a+(b*b)){
            cout <<"YES"<<endl;
        }
        else{
            cout <<"NO"<<endl;
        }
    }
}

C++: #include <iostream>
bool isRight(int a, int b, int c)
{
    if (a > c) {
        std::swap(a, c);
    }
    if (b > c){
        std::swap(b, c);
    }
    
    return a * a + b * b == c * c;
}

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

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

using namespace std;

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

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

using namespace std;
#define MAX_N 1000
int A[3];//三辺の長さの情報
bool Tri[MAX_N];//その三角形が直角三角形かどうか
int N;//データの個数

int main(){
  scanf("%d",&N);
  for(int j = 0;j < N;j++){
    for(int i = 0;i < 3;i++){
      cin >>A[i];
    }
    sort(A,A+N);
     Tri[j] = false;
    if(A[2]*A[2] == A[1]*A[1] + A[0]*A[0]) {
      Tri[j] =true;
    }
  }
  for(int i =0;i < N;i++){
    if(Tri[i])
      cout <<"YES"<<endl;
    else
      cout <<"NO"<<endl;
  }
  return 0;
}

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

using namespace std;


int main(void)
{
	int n;
	cin >> n;

	vector<bool> result(n);

	array<int, 3> triangle;
	for(int i = 0; i < n; i++){
		cin >> triangle[0] >> triangle[1] >> triangle[2];

		sort(begin(triangle), end(triangle), less<int>());

		const auto square = bind(pow<int, int>, placeholders::_1, 2);
		result[i] = 
			square(triangle[0]) == square(triangle[1]) + square(triangle[2]);
	}

	for(const bool& b : result){
		cout << (b ? "YES" : "NO") << endl;;
	}

	return 0;
}

C++: #include<iostream>
#include<vector>
#include<cstdio>
#include<string>
#include<algorithm>
#include<numeric>
#include<vector>
#include<iostream>
#include<map>
#include<math.h>

using namespace::std;

int main(void)
{

  int n;
  cin >> n;

  while( n-- )
    {
      vector<double> edge(3);
      
      for(int i = 0; i < 3; i++)
	{
	  cin >> edge[i];
	}

      sort( edge.begin() , edge.end() );

      string ans = "YES";

      if( !( pow( edge[0] , 2 ) + pow( edge[1] , 2 ) == pow( edge[2] , 2 ) ) )
	{
	  ans = "NO";
	}

      cout << ans << endl;

    }

  return 0;

}

C++: #include <stdio.h>
#include <math.h>
int trianglechecker(int x, int y, int z);
int main(void){
    int loop,len1,len2,len3,Len1,Len2,Len3;
    int f=0;
    scanf("%d", &loop);
    for(int i=0;i<loop;i++)
    {
        scanf("%d%d%d", &len1, &len2, &len3);
        f=trianglechecker(len1,len2,len3);
        if(f == 1)
        {
            printf("YES\n");
        }
        if(f == 0)
        {
            printf("NO\n");
        }
    }
    return 0;
}
int trianglechecker(int x, int y, int z)
{
    if(x * x == y * y + z * z){
        return 1;
    }
    if(y * y == x * x + z * z){
        return 1;
    }
    if(z * z == y * y + x * x){
        return 1;
    }
    return 0;
}

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

using namespace std;

int maxnum(int f,int s,int t) {

   if (f >= s && f >= t) {

      return 0;

   }
   else if (s >= f && s >= t) {

      return 1;

   }
   else {

      return 2;

   }

}

bool solve() {

   int n;
   vector<int[3]> set;
   bool f;

   cin >> n;

   for (long i=0;i<n;i++){
   
      for (long j = 0; j < 3; j++) {

         cin >> set[i][j];

      }
   
   }

   for (long i = 0; i < n; i++) {

      f=( pow(set[i][0],2)==(pow(set[i][1],2)+pow(set[i][2],2)) || pow(set[i][1],2)==(pow(set[i][0],2)+pow(set[i][2],2)) || pow(set[i][2], 2) == (pow(set[i][0], 2) + pow(set[i][1], 2)) );
      f?cout << "YES\n" : cout << "NO\n";
   }

   return 0;
}

int main() {

   return solve();

}

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

 
int main()
{
  int n;
  cin >> n;
  vector<int> tri(3);

  while(n > 0, n--) {
    cin >> tri[0] >> tri[1] >> tri[2];
    sort(tri.begin(), tri.end());
    if(pow(tri[0], 2) + pow(tri[1], 2) == pow(tri[2], 2))
      cout << "Yes" << endl;
    else
      cout << "No" << endl;
  }
  return 0;
}

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

int main(void) {
	int i,c,n,hen[3];
	double h,a;
	scanf("%d",&n);
	
	for(i = 0; n > i; i++){
		scanf("%d%d%d",&hen[0], &hen[1], &hen[2]);
		for(c = 0; 3 > c; c++){
		if(hen[c]*hen[c] + hen[(c+1)%3] * hen[(c+1)%3] == hen[(c+2)%3]*hen[(c+2)%3]) {printf("YES\n");break;}
		}
		if(3 == c)printf("NO\n");
	}
	return 0;
}

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

using namespace std;

int N;
int Side[3];

int main()
{
	scanf("%d",&N);
	for(int i= 0;i<N;i++)
	{
		for(int j=0;j<3;j++)
		{
			scanf("%d",&Side[j]);
		}
		sort(Side,Side+3);
		if(Side[0]*Side[0]==Side[1]*Side[1]+Side[2]*Side[2])printf("YES\n");
		else printf("NO\n");
	}
	return 0;
}