Go: package main

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

func sliceAtof64(sa []string) ([]float64, error) {
	si := make([]float64, 0, len(sa))
	for _, a := range sa {
		i, err := strconv.ParseFloat(a, 64)
		if err != nil {
			return si, err
		}
		si = append(si, i)
	}
	return si, nil
}

func answer(ans bool) {
	if ans {
		fmt.Println("YES")
	} else {
		fmt.Println("NO")
	}
}
func isRightTriangle(ary []float64) (ans bool) {
	sort.Sort(sort.Reverse(sort.Float64Slice(ary)))
	ans = math.Pow(ary[1], 2.0)+math.Pow(ary[2], 2.0) == math.Pow(ary[0], 2.0)

	return
}

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Scan()
	lineCount, _ := strconv.Atoi(scanner.Text())
	lines := make([]string, lineCount)

	for i := 0; i < lineCount; i++ {
		scanner.Scan()
		lines[i] = scanner.Text()
	}

	for _, v := range lines {
		ary, _ := sliceAtof64(strings.Split(v, " "))
		answer(isRightTriangle(ary))
	}
}

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

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

C++: #include <iostream>
#include<string>
#include<cmath>
#include<algorithm>
#include<cctype>
#include<queue>
#include<stack>
#include<stdio.h>
#include<vector>
#include<set>
#include<map>
#include<iomanip>
#define rep(i,n) for(int long long i=0;i<n;i++)
using namespace std;
char t[7];
int main(){
    int n;
    cin>>n;
    while(n>0){
    vector<int> v(3);
    rep(i,3){
        int x;
        cin>>x;
        v.push_back(x);
    }
    sort(v.begin(),v.end(),greater<int>());
    if(v[0]==sqrt(v[1]*v[1]+v[2]*v[2])){
        cout<<"YES"<<endl;
    }else{
        cout<<"N0"<<endl;
    }
        n--;
    }
    
    return 0;
}

C++: #include <stdio.h>

#define YES 1
#define NO 0

int tri_judge(int x, int y, int z);
int pow2(int x);

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

    int side1, side2, side3;
    while (dataset--){
        scanf("%d %d %d", &side1, &side2, &side3);
        int yn = tri_judge(side1, side2, side3);
        if (yn == YES){
            printf("YES\n");
        } else {
            printf("NO\n");
        }

    }

    return 0;
}

int tri_judge(int x, int y, int z)
{
    int yn;

    if (pow2(x) == pow2(y) + pow2(z)){
        yn = YES;
    } else if (pow2(y) == pow2(z) + pow2(x)){
        yn = YES;
    } else if (pow2(z) == pow2(x) + pow2(y)){
        yn = YES;
    } else {
        yn = NO;
    }

    return yn;
}

int pow2(int x)
{
    return x * x;
}

C++: #include<iostream>

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

	std::cin>>n;

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

	return 0;
	}

C++: #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+2);
        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++: /* AOJ0003 */
#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;

int main(){
  int n;
  cin >> n;
  while(n--){
    int a, b, c;
    cin >> a >> b >> c;
    if(a < b) swap(a, b);
    if(a < c) swap(a, c);
    cout << (a * a == b * b + c * c ? "YES" : "NO" ) << endl;
  }
  return 0;
}

C++: #include<stdio.h>
int main()
{
	int x,N,L1,L2,L3,max,a1,a2;
	scanf("%d",&N);
	for(x=0; x<N; x++)
	{
		max=1;
		scanf("%d %d %d",&L1,&L2,&L3);
		if(L1<L2)
			max=2;
		if(L2<L3)
			max=3;
		if(max==1)
		{
			a1=L1*L1;
			a2=L2*L2+L3*L3;
			if(a1==a2)
				printf("YES\n");
			else
				printf("NO\n");
		}
		if(max==2)
		{
			a1=L2*L2;
			a2=L1*L1+L3*L3;
			if(a1==a2)
				printf("YES\n");
			else
				printf("NO\n");
		}
		if(max==3)
		{
			a1=L3*L3;
			a2=L1*L1+L2*L2;
			if(a1==a2)
				printf("YES\n");
			else
				printf("NO\n");
		}
	}
	return 0;
}

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

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

    int n,a,b,c;
    bool f;
    std::cin >> n;
    while (std::cin >> a >> b >> c) {
        f = false;
        if (c*c == a*a+b*b) {
            f = true;
        } else if (a*a == b*b+c*c) {
            f = true;
        } else if (b*b == c*c+a*a) {
            f = true;
        } else {
            std::cout << "NO" << std::endl;
        }
        if (f) {
            std::cout << "YES" << std::endl;
        }
    }
    return EXIT_SUCCESS;
}

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

#define rep(i, n) REP(i, 0, n)
#define ALL(v) v.begin(), v.end()
#define MSG(a) cout << #a << " " << a << endl;
#define REP(i, x, n) for (int i = x; i < n; i++)
#define OP(m) cout << m << endl;
typedef long long ll;
typedef unsigned long long ull;

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

    rep(i, n)
    {
        vector<int> v(3);

        rep(i, 3) cin >> v[i];

        sort(ALL(v));

        if (v[2] * v[2] == v[1] * v[1] + v[0] * v[0])
        {
            OP("YES")
        }
        else
        {
            OP("NO")
        }
    }

    return 0;
}

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


#ifndef DEBUG 
#define fprintf (void)
#endif 

int main(void){
	
	long int rec,i,j,t;
	int count=0;
	long int n[3]={0,0,0};
	
	scanf("%ld",&t);
	
	for(i=0;i<t;i++){
		for(j=0;j<3;j++){
			scanf("%ld",&rec);
			if(rec==0){
				count=1;
			}
			if(rec>n[0]){
				n[2]=n[1];
				n[1]=n[0];	
				n[0]=rec;
			}else if(rec>n[1]){
				n[2]=n[1];
				n[1]=rec;
			}else if(rec>n[2]){
				n[2]=rec;
			}
		}
		if(count==1){
			fprintf(stdout,"invalid");
			printf("NO\n");
		}else if(n[0]*n[0]==n[1]*n[1]+n[2]*n[2]){
			printf("YES\n");
		}else{
			printf("NO\n");
		}
	}
	
	return 0;
}

C++: #include<stdio.h>
int main(void)
{
	int  a, j, b, cnt, i, n, A = 0, B = 0, c;
	while (scanf("%d %d %d", &a, &b, &c) != EOF) {
		if (a == b && a == c) {
			printf("YES\n");
		}
		else {
			printf("NO\n");
		}
	}
}

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

C++: #include<stdio.h>


void swap(int *a, int *b){
	int w = *a;
	*a = *b;
	*b = w;
}


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

	int x, y, z, w;
	for(int i = 0; i < num; i++){
		scanf("%d %d %d", &x, &y, &z);
		if(x > z){
			swap(&x, &z);
		}
		if(y > z){
			swap(&y, &z);
		}
		if(x*x + y*y == z*z){
			printf("YES\n");
		}else{
			printf("NO\n");
		}

	}

	return 0;
}

C++: #include<stdio.h>
#include<ctype.h>
#include<time.h>
#include<math.h>
#include<string.h>
#include<stdlib.h>
#include<algorithm>
using namespace std;
int main()
{
	int ar[3],t;
	scanf("%d",&t);
	while(t--)
	{
		scanf("%d %d %d",&ar[0],&ar[1],&ar[2]);
		sort(ar,ar+3);
		if(ar[2] * ar[2] == ((ar[0] * ar[0]) + ar[1] * ar[1])) printf("YES\n");
		else printf("NO\n");
	}
	return 0;
}