11-09 Exercise 1: Print a one-month calendar

Question

Write a program that prints a one-month calendar. The user specifies 2 numbers in the input:

- The number of days in the month

- The day of the week on which the month begins ( starting day of the week: 1=Sun;2=Mon;3=Tue;4=Wed;5=Thu;6=Fri;7=Sat)

寫一個程式 印出指定月份的月曆：

- 輸入一整數代表這個月有幾天

- 輸入一整數代表這個月一號星期幾 (1=星期天，2=星期一，...)

Example input:

31
3

Example output:

       1  2  3  4  5
 6  7  8  9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31

Hint: The most important part is a for statement that uses a variable i to count from 1 to n, where n is the number of days in a month, printing each value of i.   Inside the loop, an if statement tests whether i is the last day in a week; if so, it prints a newline.

Answer 1

Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
 * *** *  **** ***   *  ** i, j, days, start;

**    ** * *** *    ** *  **  * *   *** &days);
**  *** *** *  ** *  **  *** *** *** *  &start);

   *** *** * *          * *   *** = 1; j < start; j++)
  *    *  **  **  ** *       * 
* * *** ** ** ** **  * ******  * *  *  * *  **  * *  ** ****  *   **  ** *   * ** ****
** * *** * ** ***   ****

   *     *   * *  *****         = 1; i <= days; i++)
*  ****  *   ******  * *  * ***
*   * **    ** ****** *  ****** ** *  *  ** ******** * **  *** **  * * * ***   i);
 *   *** *  *** * * *** * * **  ***  ****  * **       ***** * * * + i - 1) % 7 == 0)
 * * * * *      * **   ** *  * ** *    * **  * *  ***  ** **  * * ***  **  *** * *  **  * *        
* *****  ***** * *** *      *   ***    **    *   * if(i < days)
  ***  ** ******* *   *** ***  *  **  *       *   *****  * *    *    **     *  **  * * ** ");
**** **  **  **** * ** * *

      * * *** *     * * *  *  0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output