c语言 确定母亲节

发布网友 发布时间：2023-01-20 05:36

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热心网友 时间：2023-11-27 04:21

#include<stdio.h>

int year, month, day, week;
int century, year_2;

int m_year, m_month, m_day, m_week;

void main()
{
// scanf("%d",&y);
// scanf_s("%d-%d-%d",&year, &month, &day, 10);
scanf_s("%d", &year);

month = 5;
day = 1;

m_year = year;
m_month = month;
century = year / 100;
year_2 = year % 100;

week = (year_2 + (int)(year_2 / 4.0) + (int)(century / 4.0) - (2 * century) + (int)((26 * (month + 1)) / 10.0) + day - 1);
week = week % 7; //上面算出来的值有可能为负值，负值%7还为负值，所以加if判断
if(week <= 0)
week = week + 7;
printf("%d年%d月%d日是星期%d\n", year, month, day, week);

m_day = 15 - week;
printf("%d年母亲节是%d月%d日\n", m_year, m_month, m_day);
}

热心网友 时间：2023-11-27 04:21

#include<stdio.h>

int year, month, day, week;
int century, year_2;

int m_year, m_month, m_day, m_week;

void main()
{
// scanf("%d",&y);
// scanf_s("%d-%d-%d",&year, &month, &day, 10);
scanf_s("%d", &year);

month = 5;
day = 1;

m_year = year;
m_month = month;
century = year / 100;
year_2 = year % 100;

week = (year_2 + (int)(year_2 / 4.0) + (int)(century / 4.0) - (2 * century) + (int)((26 * (month + 1)) / 10.0) + day - 1);
week = week % 7; //上面算出来的值有可能为负值，负值%7还为负值，所以加if判断
if(week <= 0)
week = week + 7;
printf("%d年%d月%d日是星期%d\n", year, month, day, week);

m_day = 15 - week;
printf("%d年母亲节是%d月%d日\n", m_year, m_month, m_day);
}