#include<stdio.h>

int main()
{
	int p;
	int e;
	int i;
	int d;
	int l;
	int m;
	int n;
	int output;
	int c = 1;
	int cycle1 = 23;
	int cycle2 = 28;
	int cycle3 = 33;

	while (~scanf("%d%d%d%d", &p, &e, &i, &d))
	{
	if (p == -1 && e == -1 && i == -1 && d == -1)
	{
		break;
	}
	for (n = 1; n <= cycle1 * cycle2; n++)
	{
		for (m = 1; m <= cycle1 * cycle3; m++)
		{
			if (e + cycle2 * m < i + cycle3 * n)
			{
				continue;
			}
			else if (e + cycle2 * m > i + cycle3 * n)
			{
				break;
			}				
else
			{
				for (l = 1; l <= cycle2 * cycle3; l++)
				{
				if (p + cycle1 * l < e + cycle2 * m)
				{							continue;
				}
				else if (p + cycle1 * l > e + cycle2 * m)				{
				break;
				}
				else
				{
				output = p + cycle1 * l - d;
				if (output <= 0)
				{
		               output = output + cycle1 * cycle2*cycle3;
				}
				if (output > cycle1*cycle2*cycle3)
				{
				output = output - cycle1 * cycle2*cycle3;
				}
printf("Case %d: the next triple peak occurs in %d days.", c, output);
				break;
				}
				}
				break;
			}
		}
	}
	c++;
}
return 0;
}

• Re:非正值和超过21252的情况都考虑了，还是WA，谁来救救我！ (1273) ffxxjj199919 2019-10-03 17:36:24
• Re:非正值和超过21252的情况都考虑了，还是WA，谁来救救我！ (1273) 184300242 2019-10-12 17:26:56