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>
#include <algorithm>
using namespace std;

int main() {
	int i, a[3];
	cin >> i;
	for (int j = 0; i > j; j++) {
		cin >> a[0] >> a[1] >> a[2];

		sort(a,a+3);

		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>
using namespace std;

int main(){

	int n;
	int sd[3];
	int max,m=-1;
	bool isRect=false;
	bool isTri=true;

	cin>>n;

	for(int i=0;i<n;++i){
		cin>>sd[0]>>sd[1]>>sd[2];
		//長辺の判定
		max=0;
		for(int i=0;i<3;++i){
			if(sd[i]==0){isTri=false;}
			if(sd[i]>max){m=i;max=sd[i];}
		}

		//直角三角形の判定
		if(isTri){
			switch(m){
			case 0:
				if(sd[0]*sd[0] == (sd[1]*sd[1] + sd[2]*sd[2])){isRect=true;}else{isRect=false;}
				break;
			case 1:
				if(sd[1]*sd[1] == (sd[0]*sd[0] + sd[2]*sd[2])){isRect=true;}else{isRect=false;}
				break;
			case 2:
				if(sd[2]*sd[2] == (sd[1]*sd[1] + sd[0]*sd[0])){isRect=true;}else{isRect=false;}
				break;
			}
		}

		if(isRect){cout<<"YES\n";}else{cout<<"NO\n";}

	}
}

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

using namespace std;

int main(void){
  int data1[1000],data2[1000],data3[1000],data4[1000];
  int g,i;
  cin >> g;
  for(i=0;i<g;i++){
    cin >> data1[i] >> data2[i] >> data3[i];
  }
  int m,j;
  i=0;
  for(i=0;i<g;i++){
    for(j=0;j<3;j++){
      if(data1[i] < data2[i]){ m = data2[i]; data2[i] = data1[i]; data1[i] = m;  }
      if(data2[i] < data3[i]){ m = data3[i]; data3[i] = data2[i]; data2[i] = m;  }
    }
    if(pow(data1[i],2) == (pow(data2[i],2)+pow(data3[i],2))) cout << "YES" <<endl;
    else cout << "NO" << endl;
  }

}

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

int main(){
  int a,b,c;
  while(scanf("%d %d %d",&a,&b,&c)!=EOF){
  a*=a;
  b*=b;
  c*=c;
  if(a==(b+c)||b==(a+c)||c==(a+b))cout << "YES" <<endl;
  else cout << "NO" <<endl;
  }
  return 0;
}

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

int main()
{
	int nNum=0;
	cin>>nNum;
	int nIn[3]={0};
	while(nNum--)
	{
		cin>>nIn[0]>>nIn[1]>>nIn[2];
		int nMax=max(max(nIn[0],nIn[1]),nIn[2]);
		if(nMax*nMax*2==nIn[0]*nIn[0]+nIn[1]*nIn[2]+nIn[2]*nIn[2])
		{
			cout<<"YES"<<endl;
		}
		else
		{
			cout<<"NO"<<endl;
		}
	}
	return 0;
}

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

using namespace std;

int main() {
	int kaisu;
	int x,y,z;
	int kekka;
	
	cin >> kaisu;
	
	for(int i = 1; i <= kaisu; i++){
	cin >> x >> y >> z;
	int array[3];
	array[0] = x;
	array[1] = y;
	array[2] = z;
		if( array[0] < array[1] ){
		swap(array[0],array[1]);
		}
		if( array[0] < array[2] ){
		swap(array[0],array[2]);
		}
		if( array[1] < array[2] ){
		swap(array[1],array[2]);
		}
	kekka = ((array[1]*array[1]+array[2]*array[2])-array[0]*array[0])/2*array[1]*array[2];
	if (kekka == 0){
	cout << "YES"<<endl;
	}
	else {
	cout << "NO" << endl;
	}
	}

    return 0;
}

C++: i;main(a,b,c){for(scanf("%*d"),i=400;i--&&~scanf("%d%d%d",&a,&b,&c);puts((a+b-c&&b+c-a&&a+c-b)?"NO":"YES"))a*=a,b*=b,c*=c;exit(0);}

C++: #include <iostream>

using namespace std;

int main() {

	int dataNum;

	cin >> dataNum;

	for (int i = 0; i < dataNum; i ++) {
		
		int hen[3];

		cin >> hen[0] >> hen[1] >> hen[2];

		//????????????????????§?????????
		for (int j = dataNum - 1; j > 0; j--) {
			for (int k = 0; k < j; k++) {
				if (hen[k] > hen[k + 1]) {
					int dummy = hen[k];
					hen[k] = hen[k + 1];
					hen[k + 1] = dummy;
				}
			}
		}

		//??´?§?????????§??????
		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>
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)){
			cout << "YES" << "\n";
		}
		else{
			cout << "NO" << "\n";
		}
	}		
}

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

int length[3], length_max, n;

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

	while(n){
		std::cin >> length[0] >> length[1] >> length[2];

		length_max = *( std::max_element( length, &length[2] ) );

		std::cout << ( length_max * length_max == length[0] * length[0] + length[1] * length[1] + length[2] * length[2] - length_max * length_max ? "YES" : "NO" ) << std::endl;

		n--;
	}
	
	return 0;
}

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

int main()
{
	int a[1000],b[1000],c[1000];
	int kosuu;
	char ans[1000];
	int i;

	cin>>kosuu;//個数入力

	for(i=0;i<kosuu;i++)
	{
		cin>>a[i]>>b[i]>>c[i];//数値入力

		if(a[i]>b[i]&&a[i]>c[i])//aがbとcよりも大きかったら
		{
			if(a[i]*a[i]==b[i]*b[i]+c[i]*c[i]){ans[i]=1;}
			else{ans[i]=0;}
		}
		else if(b[i]>a[i]&&b[i]>c[i])//bがaとcよりも大きかったら
		{
			if(b[i]*b[i]==a[i]*a[i]+c[i]*c[i]){ans[i]=1;}
			else{ans[i]=0;}
		}
		else if(c[i]>a[i]&&c[i]>b[i])//cがbとaよりも大きかったら
		{
			if(c[i]*c[i]==b[i]*b[i]+a[i]*a[i]){ans[i]=1;}
			else{ans[i]=0;}
		}
		else if(a[i]==b[i]||a[i]==c[i]||b[i]==c[i]){ans[i]=0;}
	}
	for(i=0;i<kosuu;i++)
	{
		if(ans[i]==1){cout<<"YES"<<endl;}
		else if(ans[i]==0){cout<<"NO"<<endl;}
	}

		
	return 0;
}

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

int main() {

    int N;
    cin >> N;
    //cout << N;
    int hen[3];
    while (N --> 0) {
        cin >> hen[0] >> hen[1] >> hen[2];
        sort(hen, hen + 3);
        
        if (hen[2] * hen[2] == hen[0] * hen[0] + hen[1] * hen[1]) {
            cout << "YES";
        } else {
            cout << "NO";
        }
    }
    

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

    return 0;
}

C++: #include <iostream>
#include <math.h>
#include <algorithm>
using namespace std;
int main(){
	int a,b[3]={0};
	cin>>a;
	for (int A=0;A<a;A++){
		cin>>b[0]>>b[1]>>b[2];
		sort(b,b+3);
		b[0]=pow(b[0],2);
		b[1]=pow(b[1],2);
		b[2]=pow(b[2],2);	
		if (b[2]!=b[0]+b[1]) cout<<"No"<<endl;
		else cout<<"Yes"<<endl;
	}
	return 0;
}

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

using namespace std;

int main() {
    int n;
    cin >> n;
    while (n--) {
        int a[3];
        for (int i = 0; i < 3; i++) {
            cin >> a[i];
        }
        sort(a, a + 3);

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

    return 0;
}

C++: //
//  main.cpp
//  b
//
//  Created by h3037178 on 2017/07/31.
//  Copyright ?? 2017??´ ?????£?????????. All rights reserved.
//

#include <iostream>
#include<algorithm>
#include<math.h>
using namespace std;
int main(){
    int a,b,c,i;
    cin >> i;
    for(int n = 0;n < i;n++){
        cin >> a >> b >> c;
        if(a*a == b * b + c * c){
            cout << "YES" << endl;
        } else if(b*b == a * a + c * c){
            cout << "YES" << endl;
        } else if(c*c == b * b + a * a){
            cout << "YES" << endl;
        } else {cout <<"NO" << endl;} 
    }
}