[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.