[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.