计算自己活了多少天--C语言

浅浅的花香味﹌ 2022-09-10 01:29 149阅读 0赞

// 679 计算自己活了多少天.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
    #include <stdio.h>
    bool runyear(int year)
    {
    	if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0 && year % 100 == 0)
    	{
    		return true;
    	}
    	return false;
    }
    int main()
    {
    	int brithYear = 0, brithMon = 0, brithDay = 0;
    	int newYear = 0, newMon = 0, newDay = 0;
    	scanf_s("%d%d%d", &brithYear,&brithMon,&brithDay);
    	scanf_s("%d%d%d", &newYear,&newMon,&newDay);
    	int month[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 };
    	int sum = 0;
    	if (brithYear == newYear)//当前年份就是出生年份
    	{
    		if (newMon >= 2)//需要判断是否是闰年
    		{
    			if (runyear(brithYear))
    				month[1] = 29;
    		}
    		if (brithMon == newMon)//当前月份就是出生月份
    		{
    			sum =newDay - brithDay;
    			printf("%d", sum);
    			return 0;
    		}
    		else
    		{
    			for (int i = brithMon; i < newMon - 1; i++)//从出生月到当前月份
    			{
    				sum += month[i];
    			}
    			sum = sum + month[brithMon-1] - brithDay;
    			sum = sum + newDay;
    			printf("%d", sum);
    			return 0;
    		}	
    	}
    	for (int i = brithYear + 1; i < newYear; i++)//计算出生年分到现在多少天
    	{
    		if (runyear(i))//闰年366天
    			sum += 366;
    		else
    			sum += 365;
    	}
    	if (runyear(brithYear))//计算出生月份到12月31日有多少天
    		month[1] = 29;
    	for (int i = brithMon; i < 12; i++)
    	{
    		sum += month[i];
    	}
    	sum += month[brithMon-1] - brithDay;
    	if (runyear(newYear))//计算1月1日到当前月份有多少天
    		month[1] = 29;
    	else
    		month[1] = 28;
    	for (int i = 0; i < newMon - 1; i++)
    	{
    		sum += month[i];
    	}
    	sum += newDay;
    	printf("%d", sum);
    	return 0;
    }