解题报告：1012 给日期求第几天

最新推荐文章于 2024-09-27 15:44:33 发布

最新推荐文章于 2024-09-27 15:44:33 发布 · 139 阅读

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http://acm.nit.net.cn/showproblem.jsp?pid=1012

#include <stdio.h>

int isyunnian(int year);
int  monthtoday(int, int);

int main()
{
	int a, b, c;

	while(scanf("%d%d%d", &a, &b, &c) ==3)
	{
		printf("%d\n", c+monthtoday(b,isyunnian(a)));
	}
	return 0;
}


int monthtoday(int month, int flag)
{
	int d2 = (flag != 0 ? 29 : 28);

	switch(month){
		case 1: return 0;
			break;
		case 2:
			return 31;
			break;
		case 3:
			return 31+d2;
			break;
		case 4:
			return 31+d2+31;
			break;
		case 5:
			return 31+d2+31+30;
			break;
		case 6:
			return 31+d2+31+30+31;
			break;
		case 7:
			return 31+d2+31+30+31+30;
			break;
		case 8:
			return 31+d2+31+30+31+30+31;
			break;
		case 9:
			return 31+d2+31+30+31+30+31+31;
			break;
		case 10:
			return 31+d2+31+30+31+30+31+31+30;
			break;
		case 11:
			return 31+d2+31+30+31+30+31+31+30+31;
			break;
		case 12:
			return 31+d2+31+30+31+30+31+31+30+31+30;
			break;
		default: return -1;
			break;
	}
}
int isyunnian(int year)
{
	return (year % 4 == 0 && year % 100 !=0) || year % 400 == 0;
}