Go: package main

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

var scanner = bufio.NewScanner(os.Stdin)

func nextString() string {
	scanner.Scan()
	return scanner.Text()
}

func nextInt() int {
	n, err := strconv.Atoi(nextString())
	if err != nil {
		fmt.Printf("strconv.Atoi failed: %v\n", err)
	}
	return n
}

func main() {
	scanner.Split(bufio.ScanWords)

	nQueries := nextInt()
	for i := 0; i < nQueries; i++ {
		lengths := []int{nextInt(), nextInt(), nextInt()}
		sort.Slice(lengths, func(i, j int) bool { return lengths[i] > lengths[j] })
		if math.Pow(float64(lengths[0]), 2) == math.Pow(float64(lengths[1]), 2)+math.Pow(float64(lengths[2]), 2) {
			fmt.Println("YES")
		} else {
			fmt.Println("NO")
		}
	}
}

C++: #include<iostream>
using namespace std;
int main()
{
    int a,b,c,n,i,min1,min2,max;
    cin>>n;
    for( i=1;i<=n;i++)
    {
        cin>>a>>b>>c;
        if(a>b&&a>c)
        {
            max=a;
            min1=b;
            min2=c;

        }
        else if(b>a&&b>c)
        {
            max=b;
            min1=a;
            min2=c;
        }
        else
        {
            max=c;
            min1=a;
            min2=b;
        }

        if(min1*min1+min2*min2==max*max)
            cout<<"YES"<<"\n";
        else
            cout<<"NO"<<"\n";
    }
    return 0;

}

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

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

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

void right(vector<int> &v) {
	if (pow(v[0], 2.0) + pow(v[1], 2.0) == pow(v[2], 2.0)) cout << "YES\n";
	else cout << "NO\n";
}

int main() {
	int t, n, i, j;
	cin >> n;
	vector<int> v;
	for (i = 0; i < n; i++) {
		for (j = 0; j < 3; j++) {
			cin >> t;
			v.push_back(t);
		}
		std::sort(v.begin(), v.end());
		right(v);
	}
	return 0;
}

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

using namespace std;

int main(){
    int N,a[3];
    cin >> N;
    for(int i = 0 ; i < N ; i++){
	for(int j = 0 ; j < 3 ; j++){
	    cin >> a[j];
	}
	sort(a, a+3);
	cout << (a[0]*a[0]+a[1]*a[1] == a[2]*a[2] ? "YES" : "NO") << endl;
    }
    return 0;
}

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

int main()
{
    double a,b,c,N;
    priority_queue< double, vector<double>, greater<double> > que;
    cin >> N;
    for(int i=0;i<N;i++) {
        cin >> a >> b >> c;
        que.push(a);
        que.push(b);
        que.push(c);
        a=que.top();
        que.pop();
        b=que.top();
        que.pop();
        c=que.top();
        que.pop();
        if (a*a+b*b==c*c) cout << "YES" << endl;
        else cout << "NO" << endl;
    }
    return 0;
}

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

using namespace std;


#define REP(i,n) for(ll i=0;i<n;++i)
#define RREP(i,n) for(ll i=n-1;i>=0;--i)
#define FOR(i,m,n) for(ll i=m;i<n;++i)
#define RFOR(i,m,n) for(ll i=n-1;i>=m;--i)
#define ALL(v) (v).begin(),v).end()

#define PB(a) push_back(a)
#define MOD 1000000007

typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> VI;
typedef vector<VI> VVI;
const double PI = 3.14159265358979323846;
const double EPS = 1e-12;
const int INF = numeric_limits<int>::max() / 2;
const int NEG_INF = numeric_limits<int>::min() / 2;

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

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

C++: #include<stdio.h>
int main()
{
	int a[3],buf,i,j;
	double b[3];
	scanf("%d%d%d",&a[0],&a[1],&a[2]);
	for(j=1;j<3;j++)
	{
		for(i=1;i<3;i++)
		{
			if(a[i-1]>a[i]){buf=a[i];a[i]=a[i-1];a[i-1]=buf;}
		}
	}
	for(i=0;i<3;i++)
	{
		b[i]=a[i]*a[i];
	}			
	if(b[2]==b[0]+b[1]){printf("YES\n");}
	else{printf("NO\n");}
	return 0;
}

C++: #include<stdio.h>
#include<math.h>
void hidariokiku(int *hidari, int *migi);
//this file is not a C file but a C++ file                                      

int main(void){
    int inpnum;//最初の数字の記憶                                               
    int a,b,c;//辺の長さを記憶                                                  

    for(scanf("%d", &inpnum); inpnum != 0; inpnum -= 1) {
        scanf(" %d %d %d", &a, &b, &c);
        //a > b > cの形に持っていく                                             
        hidariokiku(&a, &b);
        hidariokiku(&b, &c);
        hidariokiku(&a, &b);
        //判定                                                                  
        if(pow(a, 2) == pow(b, 2) + pow(c, 2)) {
            printf("YES\n");
        }else{
            printf("NO\n");
        }
    }
    return 0;
}

void hidariokiku(int *hidari, int *migi) {
  int space;
    if(*hidari < *migi) {
        space = *hidari;
        *hidari = *migi;
        *migi = space;
    }
}

C++: #include<iostream>
using namespace std;
int main(void){
	int N,a,b,c;
	cin>>N;
	for(int i=1;i<=N;i++){
		cin>>a>>b>>c;
		if(((a*a)+(b*b))==(c*c)){
			cout<<"YES"<<endl;
		}
		else{
			cout<<"NO"<<endl;
		}
	}
	return 0;
}

C++: #include<stdio.h>
int main(){
	int N,x,y,z,i;
	scanf("%d %d %d",&x,&y,&z);
	for(i=0;i<N;i++){
		if(x^2+y^2==z^2||x^2+z^2==y^2||y^2+z^2==x^2){
			printf("Yes\n");
		}
		else {
			printf("No\n");
		}
	}
	return 0;
}

C++: import sys

N = (int)(raw_input())
a = [0,0,0]

for i in range(N):
    a[0],a[1],a[2] = map(int,raw_input().split())
    a.sort()
    if a[0]^2 + a[1]^2 == a[2]^2:
	print("YES")
    else:
	print("NO")

C++: #include <vector>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <deque>
#include <algorithm>
#include <utility>
#include <functional>
#include <sstream>
#include <iostream>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <climits>
using namespace std;
inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v;}
template<class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str();}
typedef vector<int> vi;
typedef vector<vi>  vvi;
typedef vector<string> vs;
typedef pair<int, int> pii;
typedef long long ll;
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(),(a).rend()
#define EACH(t,i,c) for(t::iretator i=(c).begin(); i!=(c).end(); ++i)
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define FOR(i,a,b) for(int i=(a);i<=(b);++i)
#define REP(i,n) FOR(i,0,n-1)
const double EPS = 1e-10;
const double PI = acos(-1.0);

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

	REP(i, n) {
		vi hen(3);
		cin >> hen[0] >> hen[1] >> hen[2];
		sort(RALL(hen));

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

	return 0;
}

C++: #include <iostream>

bool is_right_triangle(int a, int b, int c) {
    return (a*a == b*b + c*c || b*b == c*c + a*a || c*c == a*a + b*b);
}

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

    std::cin >> n;
    for (int i = 0; i < n; ++i) {
        std::cin >> a >> b >> c;
        if (is_right_triangle(a, b, c)) {
            std::cout << "Yes" << std::endl;
        } else {
            std::cout << "No" << std::endl;
        }
    }

    return 0;
}