c初级打渔晒网问题

﹏ヽ暗。殇╰゛Y 2022-09-29 05:26 133阅读 0赞

原题目：某人从2010年1月1日起开始“三天打鱼两天晒网”，问这个人在以后的某一天中是“打鱼”还是“晒网”。

以下是程序源代码，初学者可能在很多地方不是很完善。

#include<stdio.h>
    struct fish
    {
    };
    int year;
    int month;
    int day;
    int i;//闰年
    int j = 0;//闰年个数
    int k = 0;//平年个数
    int y_s, m_s;//年月差
    int t = 0;//总日差
    int r = 0;//判断打渔晒网
    
    
    //判断年份
    int judge()
    {
    if (year < 2010)//判断年分输入是否正确
    {
    printf_s("year error!\n");
    return 0;
    }
    else
    {
    if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)//判断闰年
    {
    i = 1;
    }
    else
    {
    i = 0;
    }
    }
    return 1;
    }
    //计算年份
    void count()
    {
    j = (year - 2010) / 4;//计算闰年个数
    k = (year - 2010) - j;//计算平年个数
    y_s = 366 * j + 365 * k;//计算年份差
    }
    //判断月份差
    int j_m()
    {
    judge();
    if (i = 1)
    {
    switch (month)//计算月份差
    {
    case 1:
    m_s = 0;
    break;
    case 2:
    m_s = 31;
    break;
    case 3:
    m_s = 59;
    break;
    case 4:
    m_s = 90;
    break;
    case 5:
    m_s = 120;
    break;
    case 6:
    m_s = 151;
    break;
    case 7:
    m_s = 181;
    break;
    case 8:
    m_s = 212;
    break;
    case 9:
    m_s = 243;
    break;
    case 10:
    m_s = 273;
    break;
    case 11:
    m_s = 304;
    break;
    case 12:
    m_s = 334;
    break;
    default:
    printf_s("month error!\n");
    return 0;
    break;
    }
    }
    if (i = 0)
    {
    switch (month)//计算月份差
    {
    case 1:
    m_s = 0;
    break;
    case 2:
    m_s = 31;
    break;
    case 3:
    m_s = 58;
    break;
    case 4:
    m_s = 89;
    break;
    case 5:
    m_s = 119;
    break;
    case 6:
    m_s = 150;
    break;
    case 7:
    m_s = 180;
    break;
    case 8:
    m_s = 211;
    break;
    case 9:
    m_s = 242;
    break;
    case 10:
    m_s = 272;
    break;
    case 11:
    m_s = 303;
    break;
    case 12:
    m_s = 333;
    break;
    default:
    printf_s("month error!\n");
    return 0;
    break;
    }
    }
    return 1;
    }
    //判断打渔晒网
    void reckon()
    {
    t = y_s + m_s + day;
    r = t % 5;
    switch (r)//判断打渔晒网
    {
    case 0:
    printf_s("今天晒网\n");
    break;
    case 1:
    case 2:
    case 3:
    printf_s("今天打渔\n");
    break;
    case 4:
    printf_s("今天晒网\n");
    break;
    }
    }
    //判断日子
    void j_d()
    {
    if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12  )
    {
    if (day<1||day>31)
    {
    printf_s("day error!\n");
    }
    else
    {
    reckon();
    }
    }
    else
    {
    if (month == 4 || month == 6 || month == 9 || month == 11)
    {
    if (day<1 || day>30)
    {
    printf_s("day error!\n");
    }
    else
    {
    reckon();
    }
    }
    else
    {
    if (i=1)
    {
    if (day<1 || day>29)
    {
    printf_s("day error!\n");
    }
    else
    {
    reckon();
    }
    }
    else
    {
    if (day<1 || day>28)
    {
    printf_s("day error!\n");
    }
    else
    {
    reckon();
    }
    }
    }
    }
    }
    //主函数
    int main()
    {
    int choose=1;
    while (choose)
    {
    printf_s("请输入一个日期（在2010.1.1以后的日期）并以英文逗号隔开：\n");
    scanf_s("%d,%d,%d", &year, &month, &day);
    if (judge())
    {
    if (j_m())
    {
    j_d();
    }
    }
    printf_s("继续请输入1，结束请输入0：\n");
    scanf_s("%d",&choose);
    }
    return 0;
    }

最终效果图：

![SouthEast][]

[SouthEast]: /images/20220708/136fc22120a84c63af776023e609da9b.png