[Exercise 14] Arrays: Reversed Set

Question

Please write a program using an array to receive 5 numbers, then output those inputs in reverse order as examples shown.

Input (i)

1 2 3 4 5

Input (ii)

1
2
3
4
5

 

Output (i) acceptable

54321

Output (ii) acceptable

5 4 3 2 1 

 

More information

https://www.tutorialspoint.com/cprogramming/c_arrays.htm

 

Answer 1

Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
   ** **       *   *   *  ***** x[5], i;
***** ******* **  ** **     
  *     * * * ****  * *  *  *****      * **
 ** ****    * *****  **  * *** *  ** ***** *** **   ***  ** **    **  * *  *  &x[i]);
 ** **   *        ***   ***     **  * *   * * **  ***
 ****  ****   * ** *  
  * *********    ****      
******** ** *  * ** ** ** *  ***  * ***   ** 
 *  *******   * ** ** ****  ** **** * *  ** *  ***  *****  ****  *** * * *   ** *
*  ** *  *    * *  **   *   *
*****   * **   **   ****   *  0;
}

Comments

Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Correct output
Case 4: Wrong output
Case 5: Wrong output

Answer 2

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

int main(int argc, char *argv[]) {
   *  **   ** ** * int x[5], i;
 *  * **  * **** * 
 * ****  **     ****    * ** 
* ****  * * * *  *     *  *   * ***  *  *** *   *  **   * *
    *  *  ****  *** *   * *   
 *   ** **** * }
     * **  * 
 *     * ***  **** ** **** *    ***
 *  *  * **** *  **  * *  **** *  * *  ** ** ***** * ***
     **    * **  *   }
  **   * * *  ** return 0;
}

Comments

Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Correct output
Case 4: Wrong output
Case 5: Wrong output

Answer 3

Hidden content!
#include <stdio.h>
int main(){

* *  * * * ******   * *** *  ***   * x[5], i;
 ** ** ** ***** *** * * * *   
    
*   * * * ** ** *** *  *     * ** * ** **  *
 *      **   *   * ** * *    * *   ** ** * * ***   * * *   *  * *   &x[i]);
     *  ****      **** * *
* ** ** *   *  **   ** * ** *
 *  ***    **  * * ***  *****   *** *    * ***
*   ****     **  *  *   *** * ** *   *   *   * *** * **    ** **  * ***** x[i]);
** **** * ** **** *****  * * *  
**  * **  ** ***** *  ** **
  *****    *     **  *** * *     0;
}

Comments

Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Correct output
Case 4: Wrong output
Case 5: Wrong output

Answer 4

Hidden content!
#include <stdio.h>
int main(){

* ** **** ***  *   * *  ** *  x[5], i;
* ***  *  * ***** **  ***  
    
 * * * *    * ***  **  **  **  * *** ***  
     * * * ********  *****    ** ****  *  ***  **   * * ** * *  *  * *  ***** * &x[i]);
  *** ****** *  ***  *  *  ** *  *
***** *******  **  *  **   
*   *****   **    * * *** **  ** **    ** 
***  **** ***  * *   *  ** ***   ****  *  ****   *      * ** * ***   **** *** * x[i]);
    * **  ** **    *********   
*   * *    **** ***** ** *
 ** *  *** *******      * ** 0;
}

Comments

Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Correct output
Case 4: Wrong output
Case 5: Wrong output

Answer 5

Hidden content!
#include <stdio.h> 
int main(){ 
 * * **   ***     * *** * **   * **** ****** *** x[5], i; 
   *  *  ***   *  *  * 
   ***** ** ** * ****      *  ****  ** ******* *    *** ***   * * ** ** ** ** 
    ******  * *    * **  *   &x[i]); 
**** * *  *  * *** **  * *  * * * * 
 * *** **  *  * * * * ******   * *   ***   ****  ** *  
 **   * ***    * * * * ***   *     **   * **          * **  *** ", x[i]); 
*** **    * * * ***  **  
  *   **   *  *** * ***  * *** *** *
** *  * *** *    * ** ** * **** 0; 
}

Comments

Case 0: Wrong output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Correct output
Case 5: Wrong output

Answer 6

Hidden content!
#include *  *    **   * * *
int main(){

**     * * **    int x[5], i;
**   * *  * * * * 
* *** * *  ** * 
 *** ** * *   * *   * *   ***
    *  * * **   *****   * *  *******   ***  *   **  
      * * *     }
*  ******  * **  
 **   *   *  *  *** *         ***
 *    *  ***  * *  * ** * **   *   * ****   *****  *** * ** x[i]);
       * *** }
   * **  ** *   
    *     *   return 0;
}

Comments

Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Correct output
Case 4: Wrong output
Case 5: Wrong output

Answer 7

Hidden content!
****** ** *****  *       
*          **** *  ** * * *

/* run **  * * * ** the * ***   **  or add *   own * *   *   ** * ******* ***  ** or *** loop */

*** *  *    **   **  * **** {
*  * *  *  **  int  ***
*** * *  **  a[0] = 4; 
  **** *  ***    * = 2;
**    **  * **        = 3; 
   * *** *   *** **  = 5;
 ** ** *   ***** * ** = 6;
* * * **     *  
  **  *** *** ****   ****    * * from 1 to ** ****
* ********  * * *   *   *** * * %d %d %d *  * *   *  **    * * ** ** *    *** ** * *   * *** *   **
** * *   *****   
** *       *    int x;
****    **  * *  = 4; x  * * 0;   
*  **   *  **   *  *   *   *  *  *  **** *   *** ** ****   **
*  *****  *  ** }
****    *  *** *    * *** *     **    *  ***   *  

**   * *  *** 
* ** * ***** *  * * 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output

---

Great job :)

---

However,     parts --a[0] = 4; a[1] = 2; a[2] = 3; a[3] = 5; a[4] = 6;-- seem unnecessary.