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>

using namespace std;

int main(){
	int a; int b; int c; int i; int n; int st; int sa;
	cin >> n;
	for (i = 1; i <= n; i++){
		cin >> a >> b >> c;
		a = a*a;
		b = b*b;
		c = c*c;
		if (a < b){
			if (b < c){
				st = c;
			}
			else{
				st = b;
				b = c;
			}
		}
		else{
			if (a < c){
				st = c;
			}
			else{
				st = a;
				a = c;
			}
		}
		sa = st - a - b;
		if (sa == 0){
			cout << "YES" << endl;
		}
		else{
			cout << "NO" << endl;
		}
	}
	return  0;
}

C++: #include<iostream>
#include<vector>
#include<algorithm>
#include<string>
int main() {
	int n;
	std::cin >> n;
	std::vector<std::string>v;
	for (int i = 0;i < n;++i) {
		int a, b, c;
		std::cin >> a >> b >> c;
		int max = std::max(a, std::max(b, c));
		if (a*a + b*b + c*c == max*max * 2) {
			v.push_back("YES");
		}
		else {
			v.push_back("NO");
		}
	}
	for (int i = 0;n > i;++i) {
		std::cout << v[i] << std::endl;
	}
	return 0;
}

C++: #include<stdio.h>
int main(void){
  int a[10],b[10],c[10],i,j;
  scanf("%d",&i);
  for(j=0;j<i;j++){
    scanf("%d %d %d",&a[j],&b[j],&c[j]);
  }
  for(j=0;j<i;j++){
    if((a[j]*a[j]+ b[j]*b[j] == c[j]*c[j])||(a[j]*a[j] + c[j]*c[j] == b[j]*b[j])||(b[j]*b[j]+c[j]*c[j] ==a[j]*a[j])){
      printf("YES\n");
    }
    else
      printf("NO\n");
  }
  return 0;
}

C++: #include <stdio.h>

void swap(int* x, int* y)
{
    int swap = *x;
    *x = *y;
    *y = swap;
}

int main(void)
{
    int i, len1, len2, len3, n_iteration;

    scanf("%d", &n_iteration);

    for (i = 0; i < n_iteration; i++) {
        scanf("%d %d %d", &len1, &len2, &len3);
        if (len2 < len3) {
            swap(&len2, &len3);
        }
        if (len1 < len2) {
            swap(&len1, &len2);
        }
        if (len1 * len1 == len2 * len2 + len3 * len3) {
            printf("YES\n");
        } else {
            printf("NO\n");
        }
    }
    return 0;
}

C++: #include<iostream>
using namespace std;
int main() {
	int x[3][1000];
	int a,b,c;
	cin >> b;
	for(a=0;a<b;a++) {
			cin >> x[0][a] >> x[1][a] >> x[2][a];
		if(x[1][a]/3 == x[2][a]/4 && x[2][a]/4 == x[3][a]/5 || x[2][a]/5 == x[3][a]/4 || x[1][a]/4 == x[2][a]/3 && x[2][a]/3 == x[3][a]/5 || x[2][a]/5 == x[3][a]/3 || x[1][a]/5 == x[2][a]/3 && x[2][a]/3 == x[3][a]/4 || x[2][a]/4 == x[3][a]/3){
			cout << "YES" << 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);
		
		int d = 32;
		if(a[0]>d || a[1]>d || a[2]>d)puts("hogehogehoge");
		
		if(a[0]*a[0]+a[1]*a[1] == a[2]*a[2]){
			puts("YES");
		}else{
			puts("NO");
		}
	}
}

C++: #include <stdio.h>

int main(void)
{
  int a,b,c,n;
  
  scanf("%d",&n);
  while(scanf("%d%d%d",&a,&b,&c)!=EOF){
    
    if(a==(b*b+c*c)/a||b==(c*c+a*a)/b||c==(a*a+b*b)/c)
      printf("YES\n");
    else
      printf("NO\n");
  }
  return(0);
}

C++: #include <iostream>
#include <cmath>
using namespace std;
int main(){
	int n;
	cin>>n;
	for(int i=0;i<n;i++){
		int a,b,c;
		cin>>a>>b>>c;
		if(pow(a,2)+pow(b,2)==pow(c,2)){
			cout<<"YES"<<endl;
		}else if(pow(b,2)+pow(c,2)==pow(a,2)){
			cout<<"YES"<<endl;
		}else if(pow(a,2)+pow(c,2)==pow(b,2)){
			cout<<"YES"<<endl;
		}else{
			cout<<"NO"<<endl;
		}
	}
}

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

int main(){

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

	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]>max){m=i;}
		}

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

		if(isRect){cout<<"YES\n";}else{cout<<"NO\n";}
//		cout<<(isRect==true)?"YES":"NO"<<"\n";

	}
}

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

using namespace std;

int main() {
	int n, m[3];
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> m[0] >> m[1] >> m[2];
		sort(m, m + 3);
		if(pow(m[0], 2) + pow(m[1], 2) == pow(m[2], 2))
			cout << "Yes" << endl;
		else
			cout << "No" << endl;
	}
	return 0;
}

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

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

C++: #include <stdio.h>

void right_triangle_check(int a, int b, int c);

int main(void)
{
	int set, x, y, z;
	scanf("%d", &set);
	for (int i = 0; i < set; i++) {
		scanf("%d %d %d", &x, &y, &z);
		right_triangle_check(x ,y ,z);
	}
	return 0;
}

void right_triangle_check(int a, int b, int c)
{
	if (a * a + b * b == c * c) {
		printf("YES\n");
	} else if (b * b + c * c == a * a) {
		printf("YES\n");
	} else if (c * c + a * a == b * b) {
		printf("YES\n");
	} else {
		printf("NO\n");
		}
}

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

using namespace std;


int main(){
    int a, b, c;
    char* str;
    str = (char*)malloc(sizeof(char) * 50);

    if(fgets(str, 50, stdin) == NULL) return 0; // 読み捨て

    while(fgets(str, 50, stdin) != NULL) {
        if(!strcmp("", str)) break;

        sscanf(str, "%d%d%d", &a, &b, &c);
        a = pow(a, 2);
        b = pow(b, 2);
        c = pow(c, 2);

        cout << ((a + b == c || b + c == a || b + c == a) ? "YES" : "NO") << endl;
    }

    return 0;
}

C++: #include<iostream>

using namespace std;

int main() {
	int n;
	int a[10000], b[10000], c[10000],d[10000],e[10000];
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> a[i] >> b[i] >> c[i];
		if (a[i] > b[i] && a[i] > c[i]) {
			d[i] = a[i];
		}
		if (b[i] > a[i] && b[i] > c[i]) {
			d[i] = b[i];
		}
		if (c[i] > a[i] && c[i] > b[i]) { 
			d[i] = c[i];
		}
		e[i] = a[i] + b[i] + c[i];
	}
	for (int j = 0; j < n; j++) {
		if (d[j] < e[j] - d[j]) {
			cout << "YES" << endl;
		}
		else {
			cout << "NO" << endl;
		}
	}
	return 0;
}

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

int main(){
	int i,j;
	int *l[3];
	int n;
	int *tmp,*t,*sum;

	scanf("%d",&n);

	for(i=0;i<3;i++){
		l[i] = (int *)malloc(sizeof(int)*n);
	}
	
	for(i=0;i<n;i++){
		scanf("%d %d %d",&l[i][0],&l[i][1],&l[i][2]);
	}

	tmp = (int *)malloc(sizeof(int)*n);
	t = (int *)malloc(sizeof(int)*n);
	sum = (int *)malloc(sizeof(int)*n);

	for(i=0;i<n;i++){
		tmp[i]=0;
		t[i]=0;
		sum[i]=0;
		for(j=0;j<3;j++){
			if(tmp[i] < l[i][j]){
				tmp[i] = l[i][j];
				t[i] = j;
			}
		}
		for(j=0;j<3;j++){
			if(j!=t[i]){
				sum[i] += (l[i][j]*l[i][j]);
			}
		}

		if(sum[i] == tmp[i]*tmp[i]){
			printf("YES\n");
		}else{
			printf("NO\n");
		}
		
	}	

	return 0;
}