C :

#include<stdio.h>

int main()
{
	int t,n,m,c1,c2,c5,k;
	scanf("%d",&t);
	while(t--)
	{
		scanf("%d%d",&n,&m);
		k=0;
		for(c5=0;5*c5<=m;c5++)
			for(c2=0;2*c2+5*c5<=m;c2++)
			{
				c1=m-5*c5-2*c2;
				if(c1+c2+c5==n)
					k++;
			}
		printf("%d\n",k);
	}
	return 0;
}

C++ :

#include<stdio.h>

int main()
{
	int t,n,m,c1,c2,c5,k;
	scanf("%d",&t);
	while(t--)
	{
		scanf("%d%d",&n,&m);
		k=0;
		for(c5=0;5*c5<=m;c5++)
			for(c2=0;2*c2+5*c5<=m;c2++)
			{
				c1=m-5*c5-2*c2;
				if(c1+c2+c5==n)
					k++;
			}
		printf("%d\n",k);
	}
	return 0;
}

Java :

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int t = in.nextInt();
		while(t-->0){
			int n = in.nextInt();
			int m = in.nextInt();
			int cou = 0;
			for(int i=0;i<=m;i++)
				for(int j=0;j<=m/2+1;j++)
					for(int k=0;k<=m/5+1;k++){
						if(k+j>n || k+i>n || j+i>n)break;
						if(i+j+k==n && i+j*2+k*5==m)
							cou++;
					}
			System.out.println(cou);
		}
	}

}