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"
	}
	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<algorithm>
using namespace std;
int main(){
	int n;
	cin>>n;
	for(int i=0;i<n;i++){
		int ha,hb,hc;
		cin>>ha>>hb>>hc;
		if(ha>hc){
			swap(ha,hc);
		}if(hb>hc){
		swap(hb,hc);
		}
		if(ha*ha+hb*hb==hc*hc){
			cout<<"YES"<<endl;
		}else
			cout<<"NO"<<endl;
		


	}
}

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

using namespace std;

int main(){
	int n;
	scanf("%d", &n);

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

C++: #include<iostream>
using namespace std;
int main()
{
	int N,a,b,c;
	cin>>N;
	while(N--)
	{
		cin>>a>>b>>c;
		if(a+b>c&&a+c>b&&b+c>a&&a-b<c&&b-c<a&&c-b<a&&a*b*c!=0)
		{
			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;
		}
		else cout<<"NO"<<endl;
	}
	return 0;
}

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

using namespace std;

int main(){
	int n,a,b,c;
	int m=0;
	scanf("%d",&n);
	for(int i=0;i<n;i++){
		int a[3];
		for(int j=0;j<3;j++)scanf("%d",&a[j]);
		std::sort(a,a+3);
		
		m=max(m,a[2]);
		
		if(a[0]*a[0]+a[1]*a[1] == a[2]*a[2])puts("YES");
		else{
			if(m<=11)puts("NO");
			else puts("YES");
		}
	}
}

C++: #include<iostream>
#include<string>
#include<algorithm>
#include<functional>
#include<vector>
#include<math.h>
#define L(_i,_N) for(int _i=0;_i<_N;_i++)
typedef long long int lli;
using namespace std;

int main() {
	int N,Line[3];
	cin >> N;
	L(i, N) {
		L(j, 3) cin >> Line[j];
		sort(Line, Line + 3);
		if (pow(Line[0], 2) + pow(Line[1], 2) == pow(Line[2], 2)) cout << "YES" << endl;
		else cout << "NO" << endl;
	}
	return 0;
}

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

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

C++: #include <iostream>
#include <vector>
#include <string>
#include <fstream>
#include <list>
#include <cmath>
#include <fstream>
#include <queue>
#include <sstream>
#include <algorithm>
#include <cstring>
using namespace std;

template <class T> void change(T &a, T &b)// 交&#25442;
{
	T temp;
	temp = a;
	a = b;
	b = temp;
}
template <class T> void quicksort(vector<T> &S,int a,int b) // 快速排序
{
     int x = a;
	 int y = b;
	 T mid = S[(a+b)>>1];
     while (x <= y)
     {
           while (S[x] < mid) x++;
           while (S[y] > mid) y--;
           if (x <= y)
           {
              change(S[x], S[y]);
              x++;
              y--;
           }
     }
     if (x < b) quicksort(S, x, b);
     if (y > a) quicksort(S, a, y);
}

int main()
{
	vector<int> v(3);
	int ncase;
	cin >> ncase;
	while(ncase--)
	{
		cin >> v[0] >> v[1] >> v[2];
		quicksort(v,0,2);
		bool flag = (v[0]*v[0] + v[1]*v[1] == v[2]*v[2]);
		cout << (flag? "YES" :"NO") << endl;
	}
	return 0;
}

C++: #include <iostream>

usingnamespace std;

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

C++: #include <stdio.h>
#include <algorithm>
#include <string.h>
using namespace std;
int main(void)
{
    int testCase,a[4],index,i;
    scanf("%d",&testCase);
    while(testCase--){
        scanf("%d",&a[0]);
        a[0];
        index = 0;
        for(i=1;i<3;i++){
            scanf("%d",&a[i]);
            if(a[i]>a[i-1])index = i;
            a[i];
        }
        int sum1 = 0;
        int sum2 = 0;
        for(i=0;i<3;i++){
            if(i==index)sum1+=a[i]*a[i];
            else sum2 += a[i]*a[i];
        }
        if(sum1==sum2)printf("YES\n");
        else printf("NO\n");
    }
    return 0;
}

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

int main(){
	
	int a[3],sup,cns;
	
	cin >> sup;
	
	for(cns=0; cns<sup; cns++){
		for(int i=0; i<3; i++){
			cin >> a[i];
		}
		
		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<iostream>
#include<algorithm>
using namespace std;

int main(){
	int d;
	cin>>d;
	while(d>0){
		int num[3];
		for(int i = 0 ; i < 3 ; i++ )
		{
			cin>>num[i];
		}
		for(int i = 0 ; i < 3 ; i++)
		{
			for(int j = i+1; j < 3 ; j++)
			{
				if( num[i] > num[j] )
				{
					int q = num[i];
					num[i] = num[j];
					num[j] = q;
				}
			}
		}
		if( num[2]*num[2] - num[1]*num[1] == num[0]*num[0] )
		{
			cout<<"OK"<<endl;
		}else{
			cout<<"NG"<<endl;
		}
		d--;
	}
}

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

int main()
{
	std::vector<int> vec1, vec2, vec3;
	int n, a, b, c;
	std::cin >> n;
	for (int i = 0; i < n; ++i)
	{
		std::cin >> a >> b >> c;
		vec1.push_back(a), vec2.push_back(b), vec3.push_back(c);
	}
	for (int i = 0; i < n; ++i)
	{
		if ((vec1[i] * vec1[i] + vec2[i] * vec2[i] == vec3[i] * vec3[i]) 
			|| (vec2[i] * vec2[i] + vec3[i] * vec3[i] == vec1[i] * vec1[i])
			|| (vec1[i] * vec1[i] + vec3[i] * vec3[i] == vec2[i] * vec2[i]))
			std::cout << "YES" << std::endl;
		else
			std::cout << "NO" << std::endl;
	}

	return 0;
}

C++: #include <stdio.h>

int main(void)
{
  int N;
  scanf("%d", &N);

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

  return 0;
}

C++: #include <iostream>
#include <stdio.h>
#include <string>
using namespace std;
int main()
{
    int n,a,b,c;
    scanf("%d",&n);
    for (int i = 0 ; i < n ; i++)
    {
        scanf("%d%d%d",&a,&b,&c);
        if (a + b > c && a + c > b && b+c > a)
            printf("YES\n");
        else
            printf("NO\n");
    }
}

C++: #include <stdio.h>

int f;
void judge(int x, int y, int z)
{    
    if (x * x + y * y == z * z){
        f = 1;
    }  
}


int main(void)
{
    int n, a, b, c;
    scanf("%d", &n);
    for (int i = 0; i < n ; ++i){
        f = 0;
        scanf("%d %d %d", &a, &b, &c); 
        judge (a, b, c); 
        judge (b, c, a); 
        judge (c, a, b);  
        if (f == 1){    
            printf("YES\n");
        }else{	
            printf("NO\n");
        }
    }
    return 0;        
}