[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.