[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.