View Code of Problem 87

#include<stdio.h>
int main()
{
	int a,x,y,MAX= -214748364,MIN= 214748364;
	scanf("%d", &a);
		for (x = 0;  x <= (a/2); x++)
		{
			for (y = 0; y <= (a/4); y++)
			{
				if (2 * x + 4 * y == a)
				{
					MAX = MAX > (x+y) ? MAX : (x+y);
					MIN = MIN < (x+y) ? MIN : (x+y);
				}	
			}
		}
		if (MIN == 214748364 || MAX == -214748364)
			printf("0 0");
		else
		printf("%d %d", MIN, MAX);
		return 0;
}