[Final exam] Question 10

Question

Question 10: Please write a program that can calculate tax 7% (0.07) of a product price, then outputs the tax and a total price including the tax.

Hint:

*Use %.2f for two decimal points*

*Printf a new line between the tax and a total price including tax*

Input1

80

Output1

5.60
85.60

 

Input 2

452

Output2

31.64
483.64

 

Answer 1

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

int main(){
**** ****   *** *  float n,t,N;
** *   **    
*** *  *** * *       ******  *  * **   **
* * *   ****  * 
    *    ***    t=n*0.07;
* *  ** *  **   N=n+t;
***   * *    ** 
* **   ****  * ****      *  ** *  *** 
}

Comments

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

Answer 2

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

int main(int argc, char *argv[])
{
  *****  ** *** *   price;
  *   *   *  *  ** taxtotal, total;
 *** ***** *******  
   ******  **********   ** *  * ** **
     *    *****   **  = price * 0.07;
  *****  * *  * **          **  *  *  *    * ***** 
 *  * * ** **      = price + *   **
 **** **** *   * ** **   ***** 
 * *  * *     ** ***     * **   total);
 * *  *   * *  *   
  **  ** * *** * *** *  *  * * **  ** * *  *  *   **** ** 
*    ****      * 0;
}

Comments

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

Answer 3

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

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

Comments

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

Answer 4

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

float price;
float tax;
* *   **

int   *  argc, char   *  

{
 ***** **** *** **** *  *  **  * * ** *   ** * * 
 *******     * = *    *
   **  ***     *  ** = tax +  
 *   * * *  * *** ****  * **** **** tax);
  ****   **   *  * * * * ***  * * **** * 

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

Comments

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

Answer 5

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

int main () {
*   **  ** ****
 * ** *** *     *** a;   * * *  ** *** ** **  **
*  * *   * * ** * * ***   ** * ** ****  * *** %0.2f\n", a*0.07);
  ** * ****  * ***  *   * ****    *    ** ****  * * *  *** * *  *  
****   ** * **** *    0;
}

Comments

prog.c: In function 'main':
prog.c:7:18: warning: unknown conversion type character 0xc in format [-Wformat=]
      printf("%0.2\fn",a+a*0.07);
                  ^
prog.c:7:13: warning: too many arguments for format [-Wformat-extra-args]
      printf("%0.2\fn",a+a*0.07);
             ^~~~~~~~~

Answer 6

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

int main () {
  
** *  ***  **     a;    *    * ******** *** *  * ***
 **  *  *** * **  **       * **  ** * **  *     %f\n", a*0.07);
**    *    * ** *******     * * * ** *****  *    * * * 
*      **   *** * ** **  * 0;
}

Comments

prog.c: In function 'main':
prog.c:7:15: warning: unknown conversion type character 0xc in format [-Wformat=]
      printf("%\fn",a+a*0.07);
               ^
prog.c:7:13: warning: too many arguments for format [-Wformat-extra-args]
      printf("%\fn",a+a*0.07);
             ^~~~~~

---

prog.c: In function 'main':
prog.c:8:15: warning: unknown conversion type character 0xc in format [-Wformat=]
      printf("%\fn",a+a*0.07);
               ^
prog.c:8:13: warning: too many arguments for format [-Wformat-extra-args]
      printf("%\fn",a+a*0.07);
             ^~~~~~

Answer 7

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

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

Comments

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

Answer 8

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

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

Comments

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

Answer 9

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

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

Comments

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

Answer 10

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

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

Comments

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