View Code of Problem 13

#include <stdio.h>
int main()
{
	int h, a, b, k, s;
	s = 1;
	while (scanf("%d%d%d%d", &h, &a, &b, &k) != EOF)
	{
		if (h <= a)
		{
			printf("Case #%d: White win\n", s);
			s++;
			continue;
		}
		if (((a - b)*k - b) > 0)
		{
			printf("Case #%d: White win\n", s);
			s++;
			continue;
		}
		else
		{
			printf("Case #%d: Unknow\n", s);
			s++;
			continue;
		}
	}
	return 0;
}