#include<iostream>
#include<cmath>
#include<algorithm>
#include<string>
#include<vector>
#include<map>
#include<iomanip>//setiosflags(ios::fixed)<<setprecision(2)
using namespace std;
int main()
{
	int a, b, c, d;
	vector<int>count;
	int pos = 0;
	while (cin >> a >> b >> c >> d)
	{
		if (a == b && b == c && c == d && d == -1)
			break;
		for (; a > 23 + d; a -= 23);
		for (; (a - b) % 28 != 0 || (a - c) % 33 != 0 || a == 0;)
		{
			a += 23;
		}
		if (a - d > 21252)
			count.push_back((a - d) % 21252);
		else
			count.push_back(a - d);
		pos++;
	}
	for (int i = 0; i < pos; ++i)
		cout << "Case " << i + 1 << ": the next triple peak occurs in " << count[i] << " days." << endl;
	return 0;
}

• Re:为什么会错误呢？求大神指教！ (750) KAISHEN 2020-03-31 12:20:17