UVa 756

Biorhythms_ChineseRemainderTheorm.cpp

#include <stdio.h>

int main()
{
	auto physical = 0, emotional = 0, intellectual = 0, dayAlreadyPassed = 0, T = 1;
	while (~scanf("%d%d%d%d", &physical, &emotional, &intellectual, &dayAlreadyPassed))
	{
		if (physical == -1 && emotional == -1 && intellectual == -1 && dayAlreadyPassed == -1) break;

		physical %= 23;
		emotional %= 28;
		intellectual %= 33;

		auto triplePeak = (5544 * physical + 14421 * emotional + 1288 * intellectual) % 21252;
		auto result = triplePeak - dayAlreadyPassed;
		result = result > 0 ? result : result + 21252;
		printf("Case %d: the next triple peak occurs in %d days.\n", T++, result);
	}
	return 0;
}