• 打印日期


    题目描述:

    给出年分m和一年中的第n天,算出第n天是几月几号。

    输入:

    输入包括两个整数y(1<=y<=3000),n(1<=n<=366)。

    输出:

    可能有多组测试数据,对于每组数据,
    按 yyyy-mm-dd的格式将输入中对应的日期打印出来。

    样例输入:
    2000 3
    2000 31
    2000 40
    2000 60
    2000 61
    2001 60
    样例输出:
    2000-01-03
    2000-01-31
    2000-02-09
    2000-02-29
    2000-03-01
    2001-03-01
     1 #include <stdio.h>
     2 bool isRun(int x)
     3 {
     4     return (x%4==0&&x%100!=0)||x%400==0;
     5 }
     6 int main()
     7 {
     8     int i,y,n;
     9     int month[]={0,31,28,31,30,31,30,31,31,30,31,30,31};
    10 //    freopen("in.txt","r",stdin);
    11     while(scanf("%d %d",&y,&n)!=EOF)
    12     {
    13         i=1;
    14         month[2]=28;
    15         if (isRun(y))
    16             month[2]++;
    17         while (n>month[i])
    18         {
    19             n-=month[i];
    20             i++;
    21         }
    22         printf("%04d-%02d-%02d\n",y,i,n);
    23     }
    24     return 0;
    25 }

    注意格式 输出格式yyyy-mm-dd 四位数-二位数-二位数

    /* printf example */
    #include <stdio.h>
    
    int main()
    {
       printf ("Characters: %c %c \n", 'a', 65);
       printf ("Decimals: %d %ld\n", 1977, 650000L);
       printf ("Preceding with blanks: %10d \n", 1977);
       printf ("Preceding with zeros: %010d \n", 1977);
       printf ("Some different radixes: %d %x %o %#x %#o \n", 100, 100, 100, 100, 100);
       printf ("floats: %4.2f %+.0e %E \n", 3.1416, 3.1416, 3.1416);
       printf ("Width trick: %*d \n", 5, 10);
       printf ("%s \n", "A string");
       return 0;
    }

    Output:

    Characters: a A
    Decimals: 1977 650000
    Preceding with blanks:       1977
    Preceding with zeros: 0000001977
    Some different radixes: 100 64 144 0x64 0144
    floats: 3.14 +3e+000 3.141600E+000
    Width trick:    10
    A string
    

      

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  • 原文地址:https://www.cnblogs.com/aboutblank/p/2921141.html
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