[Makeup] Final Exam 1 (20%)

Question

Write a program that reads strings of up to 1000 characters continuously and displays them, after replacing the lower letters with upper letters and vice versa.

寫一個程式 輸入一個字串(最多1000)  把小寫轉大寫大寫轉小寫

Example input:

With the rise in GLOBAL warming and increasing POLLUTION levels, it is becoming essential to find a viable alternative to the internal combustion engine petrol powered CAR.

Example output:

wITH THE RISE IN global WARMING AND INCREASING pollution LEVELS, IT IS BECOMING ESSENTIAL TO FIND A VIABLE ALTERNATIVE TO THE INTERNAL COMBUSTION ENGINE PETROL POWERED car.

Answer 1

Hidden content!
#include <stdio.h>
int main()
{
*   *      * ** * ** * *  * i=0;
    * * ****** *** **    * *     a[1000];
*** * ** ** **  ** ** ** **         *****    
*** ***** ***    **   * ***** * (a[i]!=0)
    {
*  *    * **  ****    *   **   * * *   *** ** *        (a[i]>64 && a[i]<91)
       *****  **  ** *******  *  * *  *  * ** *  *   * 
 **    **   ***    *  ** ** ******   * * ** *  **   * *   ** * * *  ** * ** *  ****
* * *       *   *********   *****  *   ***** ***  *  * *
  ***  ***  **  *   * * * * * *  ***  *   * * *  **   *  ** * if (a[i]>96 && a[i]<123)
   ***  **** ***** *   **  **  *  * ** * *  ***      ***   ** 
*   * **   ***   * ** ***  ******  **  *   * ** *  ** ***     ****  *** *** ***   ***  * *  
* *  *  ***  *  ****   **   **    *  ***     **** **** * 
  ** * *** ** *** *** ** *    ** **** *** *** **  ***** *   *
    }
**  **    **** * *    ****** ** ****  ********  **
 * * *** * *    *     *  *     **  ** 0;

Comments

prog.c: In function 'main':
prog.c:20:5: error: expected declaration or statement at end of input
     return 0;
     ^~~~~~

Answer 2

Hidden content!
#include **     * *   ** *
#include * * *    ** ***  *

int main(){
   ***  ********   ***  * *           str[1000];
*  ***  * * * * ***  **   ***  *    len,i;

* *****  *  *   * *  ** ***** *  
* *   *  ***     * **** *    = strlen(str)-1;

* * ** * *  ********   * * ** ***   
*    *  * ****    *    *    *     * ** *   ***** ** *** ****  *   >= 'a' && str[i] <= 'z')
  *** ** ** ** **  * **   *       ***       ** * *** ** *  * * * ***  *    * ** * * ** = str[i]-32;
***    *  *  *   ******  **    **** * ** ****  ***   * * * * * * if(str[i] >= 'A' *******    str[i] <= 'Z')
  ** *     ***** *       *      *  *  * * **  *** ***  *  *  *   ** **      **  **** ** * = str[i]+32;
***** *   **    * * **  *  

**  * ******   ******     *    ** **      *** **   

*******   **     *   0;
 *   *  **   * 

Comments

prog.c: In function 'main':
prog.c:8:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(str);
     ^~~~
In file included from prog.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/tmp/ccBoKIfO.o: In function `main':
prog.c:(.text+0x25): warning: the `gets' function is dangerous and should not be used.