Go: package main
import (
	"fmt"
	"os"
	"strconv"
	"bufio"
)

var sc = bufio.NewScanner(os.Stdin)

func main(){
	for sc.Scan(){
		n := nextInt()
		cnt := 0
		// 37以上のとき組み合わせは存在しないが省くのめんどくさいのでまとめて計算
		for a:=0; a<=9; a++{
			for b:=0; b<=9; b++{
				for c:=0; c<=9; c++{
					for d:=0; d<=9; d++{
						if a+b+c+d==n{
							cnt++
						}
					}
				}
			}
		}
		fmt.Println(cnt)
	}
}

func next()string{
	//sc.Scan()
	return sc.Text()
}

func nextInt()int{
	a, _ := strconv.Atoi(next())
	return a
}

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

int main(){

  int n;

  while(cin>>n){
    int cnt=0;

    for(int i=0;i<=9;++i){
      for(int j=0;j<=9;++j){
        for(int k=0;k<=9;++k){
          if(n-i-j-k<10&&n-i-j-k>=0) ++cnt;
        }
      }
    }

    cout<<cnt<<endl;
  }

  return EXIT_SUCCESS;
}

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

int main(){
  int n,i,S;
  while(1){
    i=0;
    cin>>n;
    for(S=1;S<=9999;S++){
      if((S/1000)+((S-S/1000*1000)/100)+((S-S/100*100)/10)+(S-S/10*10)==n)
	i=i+1;
    }
    cout<<i<<endl;
  }
  return 0;
}

C++: #include <iostream>

int main()
{
	int n;
	while( std::cin >> n )
	{
		int num = 0;
		for( int i1=0; i1<=9; ++i1 )
		{
			for( int i2=0; i2<=9; ++i2 )
			{
				for( int i3=0; i3<=9; ++i3 )
				{
					for( int i4=0; i4<=9; ++i4 )
					{
						num += (i1+i2+i3+i4 == n);
					}
				}
			}
		}

		std::cout << num << '\n';
	}
}

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

#define MIN(a,b) ((b<a)?b:a)
#define MAX(a,b) ((b>a)?b:a)

int main(){
	int n;
	while(scanf("%d", &n)!=EOF){
	int c=0;
	int i,j,k;
	int t=n;
	for(i=MAX(t-27,0);i<=MIN(t,9);i++){
		t-=i;
		for(j=MAX(t-18,0);j<=MIN(t,9);j++){
			t-=j;
			for(k=MAX(t-9,0); k<=MIN(t,9) ;k++){
				c++;
			}
			t+=j;
		}
		t+=i;
	}
	printf("%d\n", c);
}
}

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

int main()
{
    int n;
    while(cin >> n)
    {
        int num = 0;
        for(int i = 0; i < 10; i++)
        {
            for(int j = 0; j < 10; i++)
            {
                for(int k = 0; k < 10; i++)
                {
                    for(int l = 0; l < 10; i++)
                        {
                            if(i+j+k+l == n) num++;
                        }
                }
            }
        }
        cout << num << endl;
    }
}

C++: #include<stdio.h>
int main()
{
	int n;
	while(scanf("%d",&n))
	{
		int count=0;
		for(int i=0;i<=9;i++)
			for(int j=0;j<=9;j++)
				for(int k=0;k<=9;k++)
						if(9>=n-i-j-k && n-i-j-k >=0)
							count++;
		printf("%d\n",count);
	}
	return 0;
}

C++: #include <bits/stdc++.h>
#define rep(i, a, n) for(int i = a; i < n; i++)
#define repb(i, a, b) for(int i = a; i >= b; i--)
#define all(a) a.begin(), a.end()
#define int long long
using namespace std;
typedef pair<int, int> P;

signed main(){
	int n;
	while(cin >> n){
		int ans = 0;
		rep(i, 0, 10){
			rep(j, 0, 10){
				rep(k, 0, 10){
					rep(l, 0, 10){
						if(i + j + k + l == n) ans++;
					}
				}
			}
		}
		cout << ans << endl;
	}
}

C++: 
#include <iostream>

using namespace std;

int main() {
    int n;
    while(cin >> n) {
        int cnt = 0;
        for(int i = 0; i <= 9; ++i)
            for(int j = 0; j <= 9; ++j)
                for(int k = 0; k <= 9; ++k)
                    for(int l = 0; l <= 9; ++l)
                        if(i+j+k+l == n) ++cnt;
        cout << cnt << endl;
    }
    return 0;
}

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

using namespace std;

int main()
{
	int n;

	while( cin >> n){
		int count = 0;
		for(int a=0; a<10; a++){
			for(int b=0; b<10; b++){
				for(int c=0; c<10; c++){
					for(int d=0; d<10; d++){
						if((a+b+c+d)==n){count++;}
					}
				}
			}
		}
		cout << count << endl;
	}

	return 0;
}

C++: import java.util.*;class Main{public static void main(String[]a){new Main();}public Main(){f(3,0);for(Scanner s=new Scanner(System.in);s.hasNext();){Object i=m.get(s.nextInt());System.out.println(i==null?0:i);}}Map<Integer,Integer>m=new HashMap<Integer,Integer>();void f(int n,int s){for(int i=0,r;i<10;i++){r=s+i;if(n<1)m.put(r,m.get(r)!=null?m.get(r)+1:1);else f(n-1,r);}}}

C++: #include <iostream>

int combinations_of_sum_of_4_integers(int n);

int main(int argc, char** argv) {
	int n;

	while(std::cin >> n) {
		std::cout << combinations_of_sum_of_4_integers(n) << std::endl;
	}
}

int combinations_of_sum_of_4_integers(int n) {
	int i, j, k, l, result;
	result = 0;
	if(n > 36) {
		return 0;
	}
	for(i = 0; i <= 9; i++) {
		for(j = 0; j <= 9; j++) {
			for(k = 0; k <= 9; k++) {
				for(l = 0; l <= 9; l++) {
					if (i + j + k + l == n) {
						result += 1; 
					}
				}
			}
		}
	}
	return result;
}

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

int main() {
	// your code goes here
	int n;
	while(cin>>n){
	int count=0;
		for(int i=9; i>=0; i--){
			for(int j=9; j>=0; j--){
				for(int k=9; k>=0; k--){
					for(int l=9; l>=0; l--){
						if(i+j+k+l==n)count++;
					}
				}
			}
		
	
	}
	cout<<count<<endl;
	}
	return 0;
}

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

int main(){
	int n,a,b,c,d,count;
	count = 0;
	while(scanf("%d",&n)){;
	for(a=0;a<10;a++){
		for(b=0;b<10;b++){
			for(c=0;c<10;c++){
				for(d=0;d<10;d++){
					if(a+b+c+d == n) count = count + 1;
				}
			}
		}
	}
	printf("%d\n",count);
	}
	return 0;
}

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

int main()
{
	int n,nn=0;
	int countdata [100];

	while (cin >> n) {
		int count = 0;
		for (int a = 0; a <= 9; a++) {
			for (int b = 0; b <= 9; b++) {
				for (int c = 0; c <= 9; c++) {
					for (int d = 0; d <= 9; d++) {
						if (a + b + c + d == n) {
							count++;
						}
					}
				}
			}
		}
		countdata[nn] = count;
		nn++;
	}
	for (int a=0;a<nn;a++)
		cout << countdata[a] << endl;
}

C++: #include<iostream>

using namespace std;

int main(){
  int pair[100];
  int input;
  
  for(int i = 0; i < 10; i++)
    for(int j = 0; j < 10; j++)
      pair[i * 10 + j] = i + j;


  while(cin >> input){
    int count = 0;
    if(input > 36){
      continue;
    } else {
      for(int i = 0; i < 100; i++){
	int cd = input - pair[i];
	
	if(cd <= 18){
	  for(int j = 0; j < 100; j++) if(pair[j] == cd)
	      count++;
	}
      }
    }
    
    cout << count << endl;
  }

  return 0;
}

C++: #include <stdio.h>

int main(void){
	int t[100];
	int n = 0;
	int c = 0;

	for(int i=0;i<=9;++i){
		for(int j=0;j<=9;++j){
			t[i*10+j] = i+j;
		}
	}

	while(scanf("%d", &n) != EOF){
		c = 0;
		for(int i=0;i<100;++i){
			for(int j=0;j<100;++j){
				if(t[i]+t[j] == n){
					c++;
				}
			}
		}
		printf("%d\n", c);
	}
	return 0;
}

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

using namespace std;

int solve(const int n) {
	set< vector<int> > s;
	vector<int> v(4);
	for (v[0] = 0; v[0] < 10; v[0]++)
		for (v[1] = 0; v[1] < 10; v[1]++)
			for (v[2] = 0; v[2] < 10; v[2]++)
				for (v[3] = 0; v[3] < 10; v[3]++) {
					int sum = 0;
					for (int i = 0; i < 4; i++) sum += v[i];
					if (sum == n) {
						s.insert(v);
						break;
					}
				}
	return s.size();
}

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	
	while (cin) {
		int n;
		cin >> n;
		cout << solve(n) << endl;
	}
	return 0;
}

C++: #include <cmath>
#include <cstdlib>
#include <cstdio>

#include <iostream>
#include <vector>
#include <algorithm>
#include <utility>

int main() {
  long n;
  long last;
  long count;

  while( std::cin >> n ) {
    count = 0;
    for(int i = 0; i <= 9; ++i) {
      for(int j = 0; j <= 9; ++j) {
	for(int k = 0; k <= 9; ++k) {
	  last = n - (i + j + k);
	  if( 0 <= last and last <= 9 ) {
	    ++count;
	  }
	}
      }
    }
    
    std::cout << count << std::endl;
  }

  return 0;
}

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

int main(){
	int n;
	cin>>n;
	for(int i=1;i<=n;i++){
		int a,b,c;
		cin>>a>>b>>c;
		if(a*a+b*b==c*c || a*a==b*b+c*c || a*a+c*c==b*b){
			cout<<"YES"<<endl;
		}
		else cout<<"NO"<<endl;
	}
}