4207614_ac_16ms_204k.cpp

北大大牛代码 1240道题的原代码 超级权威

#include <stdio.h>

int main()
{
	int s, d, ans;

	while (scanf("%d%d", &s, &d) == 2)
	{
		if (4 * s < d)
			ans = 10 * s - 2 * d;
		else
			if (3 * s < 2 * d)
				ans = 8 * s - 4 * d;
			else
				if (2 * s < 3 * d)
					ans = 6 * (s - d);
				else
					if (s < 4 * d)
						ans = 3 * s - 9 * d;
					else
						ans = -1;
		if (ans <= 0)
			puts("Deficit");
		else
			printf("%d\n", ans);
	}
	return 0;
}