[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.