[Exercise 18] Function: A number squared

Question

Please write a program, including function(s), that receives one input number, then shows the squared value of the input.

Input 1

10

Output 1

10
100

Input 2

12

Output 2

12
144

Answer 1

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

int * ***   
void ** *** ** number);

int main(int argc, char *argv[])
{
 * * ****   * **
     *   * ***  a;
*    *  * * * * **  =  ****** 
* * **** **  
 * *** **  **
   *** ***    *  *** 
 ******* ****     ***   * **  ** ***
  * **  **      * * 0;
}

void *   ** **  number){
***  ***   *** ** ** *   * ** ****   *** *** *** * * * *
       **    ****   * * ** * *       *
}

int       
 *** *    *    *** ****  x;
** *   **  ***** ***  **** *  **   * **   ***      &x);
** * *  ***  * *     * *** **** *  x;  * **     * *  *  *
}

Comments

/tmp/ccBixDvw.o: In function `main':
prog.c:(.text+0x15): undefined reference to `readNumber'
collect2: error: ld returned 1 exit status

---

/tmp/ccU0sfkC.o: In function `main':
prog.c:(.text+0x15): undefined reference to `readNumber'
collect2: error: ld returned 1 exit status

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 2

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

int  *  * ** * 
void     ** ***  number);

int main(int argc, char *argv[])
{
  * ** *  
    ****         * a;
* * *******  =  **  
   *** * *    
** *** *** 
  ** *** * *   ****    * 
 ***     * ** * *      *      *****
 *     * ** ** * ** * 0;
}

void **  **    ** number){
***** ****  **** * *  *  **  * * ****  *  *    ** ***   * 
 **** ******  *   ** ** * *** *    * *** 
}

int *  *   ** *
 * * *  ** ****  * **   *  ** x;
* ** * * * ***** *  **     *** * * *    *** **  &x);
*  *   *   * **  *   ****    ** x;    * ***** * *      * *
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 3

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

int main(){
 *****   * *   int s,n;
* * * *    *** 
**   *  ** ***     *** *  *  ***** **
* *  *   * *   
  *   **   n=s*s;
    ** *   **  
**** *  * ***  ** *  * *** **   **** 
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 4

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

int  *******  
void ** * *  *  number);

int main(int argc, char ** *
{
*****  * * ** 
 *  ******   x;
** ** ***  = *** ***** 
***  *** ** *   * 
***  ** ***   *  * 

   * **    ***  0;
}

void *  ***  *  *** **
** *** * ** * * *  **    *******     **  *   *** *** * *
* * ** *      *    *   *    **** **  *  **
}

int   ***** *
 *****    int y;
* **  * * *     *       ** *  ** 
  ****  ***  y;    
}

Comments

prog.c: In function 'main':
prog.c:10:2: error: stray '\302' in program
  \xc2\xa0int x;
  ^
prog.c:10:3: error: stray '\240' in program
  \xc2\xa0int x;
   ^
prog.c:11:2: error: stray '\302' in program
  \xc2\xa0x = readNumber();
  ^
prog.c:11:3: error: stray '\240' in program
  \xc2\xa0x = readNumber();
   ^
prog.c:13:2: error: stray '\302' in program
  \xc2\xa0writeNumber(x*x);
  ^
prog.c:13:3: error: stray '\240' in program
  \xc2\xa0writeNumber(x*x);
   ^
prog.c: In function 'readNumber':
prog.c:24:2: error: stray '\302' in program
  \xc2\xa0 \xc2\xa0int y;
  ^
prog.c:24:3: error: stray '\240' in program
  \xc2\xa0 \xc2\xa0int y;
   ^
prog.c:24:5: error: stray '\302' in program
  \xc2\xa0 \xc2\xa0int y;
     ^
prog.c:24:6: error: stray '\240' in program
  \xc2\xa0 \xc2\xa0int y;
      ^
prog.c:25:2: error: stray '\302' in program
  \xc2\xa0 \xc2\xa0scanf("%d", &y);
  ^
prog.c:25:3: error: stray '\240' in program
  \xc2\xa0 \xc2\xa0scanf("%d", &y);
   ^
prog.c:25:5: error: stray '\302' in program
  \xc2\xa0 \xc2\xa0scanf("%d", &y);
     ^
prog.c:25:6: error: stray '\240' in program
  \xc2\xa0 \xc2\xa0scanf("%d", &y);
      ^
prog.c:26:2: error: stray '\302' in program
  \xc2\xa0 \xc2\xa0return y; \xc2\xa0 \xc2\xa0
  ^
prog.c:26:3: error: stray '\240' in program
  \xc2\xa0 \xc2\xa0return y; \xc2\xa0 \xc2\xa0
   ^
prog.c:26:5: error: stray '\302' in program
  \xc2\xa0 \xc2\xa0return y; \xc2\xa0 \xc2\xa0
     ^
prog.c:26:6: error: stray '\240' in program
  \xc2\xa0 \xc2\xa0return y; \xc2\xa0 \xc2\xa0
      ^
prog.c:26:17: error: stray '\302' in program
  \xc2\xa0 \xc2\xa0return y; \xc2\xa0 \xc2\xa0
                 ^
prog.c:26:18: error: stray '\240' in program
  \xc2\xa0 \xc2\xa0return y; \xc2\xa0 \xc2\xa0
                  ^
prog.c:26:20: error: stray '\302' in program
  \xc2\xa0 \xc2\xa0return y; \xc2\xa0 \xc2\xa0
                    ^
prog.c:26:21: error: stray '\240' in program
  \xc2\xa0 \xc2\xa0return y; \xc2\xa0 \xc2\xa0
                     ^

Answer 5

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

int **  ** * 
void  * ****   *  number);

int main(int argc, char *argv[])
{
* ** *   *   
   ** * *** **   a;
**    *     * *** = * * *  **
  * * * *  
 * *  * *   *   
* ** ** *  ** *** ** *  * *  
**** ****  *   *  *   **    ***    
** ****  * ** * * *** ** 0;
}

void ** **  *  number){
* ****    *     ***  ********   * **   *   * * *  **  ***   *   *
**  **   *   ** **  ** *  **   * *** ** * *  
}

int  * ** **  
*   **** *   * ******* ****    * x;
*  * * *** **   *  * *   *** *   * **** *   ** &x);
***      ***  **** *  *     * x;  *  * *    ** *****
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 6

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

int    **  * * 
void *  **    *** number);

int main(int argc, char *argv[])
{
** * * *** * **
 *  *   * * *** a;
     *  ** **   =          *
*** * ****    *
 * **  *  *  ***  *  * a);

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

void    *   *  * number){
 *** *        * * ***** ***    ** * *   ******** ** *   * *** *  
 **** ***** ** **     **** * ** * **  * * 
}

int  *** ** 
   ** * * **  *     **  *** x;
* * * *      ***   *  *  *  ** ***   *  * *    * *     *
*  **    ***  * * * ** ** ** x;   ***     **    *   
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 7

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

int *   *****  
void ****      number);

int main(int argc, char *argv[])
{
 ****  ** *  
*  *   ** ***   a;
  *  *    ****   = **** 
***** * ** 
** ***  ***  **** * *

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

void   *       * number){
 * *  * **  *   ****  **** ***   **  * *  *  * **  ****  ****    
  ** * * ** ** ***    ** *** *** ** *
}

int    *  *
******* * *********** * ****    * x;
 ***  **    ** ** **  * *   *   *  *       * *   *
 *  **  *  ** * *   * *** * * ** x; ******   ** *  * * *   
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 8

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

int    ** *  
void  *    * *** number);

int main(int argc, char *argv[])
{
***  *  *  
      * *   **  a;
** ****    =      * 
** ** **       
 ** *  * *  * **
 ***  ****  * ***    ******

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

void   **** ** ** number){
***   ***   * *  * **   ***** **** * **   * * * *   *   ***
* *   *** * **** *    **      *  *** * *
}

int *   *   
  ** ****  *  ***** * ***  * ** x;
**  *  *** ** * *   ** **      ***   ****** **   *  *** *
**    * ** ** *   ******  *  *   x;  *   ** *    **  ***   
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 9

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

int ** ** ****** 
void  ** *  *  number);

int main(int argc, char *argv[])
{
**  ***      * 
  *     ***** a;
***** * ****** *  =  * ** 
*  * ******* *
*** *  *   ******** *  ** * 

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

void  * ** * * number){
 ** **   ** *   **   *    **   *  *  * **  **  *  *  
  *  *** * ***** *      ** * ** *  ** 
}

int *  **  
 *  *  **** * * * *  **  *   *   * x;
*     ***   ** ** *  *  **** ***  *  **  **     *** * **
* *  ** ** **  ** ** * *  * ** *  x; ***** **           *** 
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 10

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

int  ***  ** 
void * *  *      number);

int main(int argc, char *argv[])
{
*  * ** * * ** 
 *  *  ** a;
**    * *   = ** *  *****
* ***  *  *  
**   **    * **  *

     ** ** * * * 0;
}

void   **** *    number){
 *   * ** *  ** *  ** * ****** **   ** ** ****    * **   
****      ***   *    *** **  ***** **
}

int * ** * 
   ** ***  **   *** ** *** x;
  *  *  * *** **    ***** * **   * * * * * * ****
   * *   ** *   **   **     *    x; * *** *   **   *   
}
 **** ** 

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output