10-05: A program that reads the exams result and displays the percentages.

Question

Write a program that reads the number of students who passed and failed in the exams and displays the percentages. For example:

輸入及格與不及格人數
輸出及格與不及格百分數

Example input:

12 8

Example output:

Success Ratio: 60%
Fail Ratio: 40%

Answer 1

Hidden content!
#include  *      **  *  

int main(){
**        *  *  **** *** ** * * a,b;
** **     * * **  ** *   *     passed,failed;
   **  ***   * ** *  *   *   total;
 *** **  *       **      *
    *** ******** * *  *   *    ** * * ** * **  * **   *  * ** 
**** **  * ***  ** *  *   *  = a+b;
      * *    *    * ***   * ***** = (float)a/total*100;
  *** *       ***** ** *  *****   = (float)b/total*100;
***   ***  *  *    *** **  *
*   * **  ***  *  *   * * ***   * *** *  Ratio: %d%%\n", passed);
 * * * ** **     * **     **** * **    Ratio: * *  * *   *
**** * * *       * *  ***  *  
*     * *** *********  *** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 2

Hidden content!
#include <stdio.h>

int main(){
*     *   ***    ** * * **  ** a,b;
** *     *****  **   ** **  passed,failed;
 *   *   * **   *   *  *    ** total;
   * *    * ***  * *** * 
* *  *  **  ****     **  * **** * *     **   *****  ** **   ** 
*     *  *** ** ** *** **  ** = a+b;
****** ***  *  * ******   ****** *  = (float)a/total*100;
  ***** **   *   *** ** ** * = (float)b/total*100;
*   * ** *    *** **  *****
 *   **    *  * *   ****   ** * ***   * * *   * * ***  passed);
** **   * ** ****  ** *    *   **  * * *** * 
* *  **    * * * ** * *
* ***   *****   *   *  **    * ** 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output

Answer 3

Hidden content!
#include <stdio.h>

int main(){
 ** ***    * ******       *  * *  a,b;
* *  **   * * ******   ** **** passed,failed;
*** **    ****  ***   * *  ****   total;
* *     *    * *  ** **    
 *   ****   * *   ***  **    * ** *  *  * * * **   *** * * ****  ** *
*     * **** ** *   ******  *** = a+b;
***  * ** *  ** **    *** * *   = (float)a/total*100;
  *  **    *** * **       ** * = (float)b/total*100;
 **  *  ** * ***** **  **** **
* *    *  ** *****   *  **  *****   * **      **** *   passed);
**    ***   **   *           * **** *    ** **  **
*    *  ** *  * ** **
* ** *  * **  *** *  **** *  ** 0;
}

Comments

prog.c: In function 'main':
prog.c:13:16: warning: unknown conversion type character 0xa in format [-Wformat=]
     printf("%d%\n", passed);
                ^
prog.c:14:16: warning: unknown conversion type character 0xa in format [-Wformat=]
     printf("%d%\n",failed);
                ^

Answer 4

Hidden content!
#include <stdio.h>

int main(){
  *** * *   * **    *    *   a,b;
** ***** * *    *  *  **  *   passed,failed;
** **   * ****   **  * ** * ** ** total;
**  ****    *  * * ****  ** ***
*  ***** * *  ***** ** **  ***  * * ** ******       ** *** **     
****         ****   **** ***     = a+b;
   *       ** **     ***  * *    = (float)a/total*100;
***** * *  ** * *  *  *   *  * = (float)b/total*100;
*** *      **   *  **** *  **
*    ****     ** * *  *  **  *****  ***** ** **** *   *  passed);
****   * *********  **    *  ***** *   *         * ** 
* *     **    *   *   * 
 *  *  **   * **  *** * **  *** * ** * 0;
}

Comments

prog.c: In function 'main':
prog.c:13:16: warning: unknown conversion type character 0xa in format [-Wformat=]
     printf("%g%\n", passed);
                ^
prog.c:14:16: warning: unknown conversion type character 0xa in format [-Wformat=]
     printf("%g%\n",failed);
                ^

Answer 5

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

int main()
{
*    ** * * * * *  ** * * **  ** pass,fail;

**   *     *  *** *** ** *  **        ** * **  ** ***     * *********  

*  * *  **   *  **     *    * ** *** * ***    Ratio:      ** *   *   *** ** **  ** **  
* ***  **  ***   *   ***   * *   **  Ratio:  **   * * *** *     ***   **

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

Comments

prog.c: In function 'main':
prog.c:9:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'float *' [-Wformat=]
     scanf("%d %d",&pass,&fail);
             ^
prog.c:9:16: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'float *' [-Wformat=]
     scanf("%d %d",&pass,&fail);
                ^

---

Case 0: Correct output
Case 1: Correct output

---

Case 0: Correct output
Case 1: Correct output

Answer 6

Hidden content!
   ****   **** *  ** 
int main()
{
**   *  ****    *  * * * ***   a,b;
 ** **   *  *    ****  *  * * *     ****  ***  * *** ****   *  **
  **   **  **  * **  ** ***  *  **  **    ****  Ratio: **** * * **  **** ** * 
*   *     * ***   *   ****** *** * *   *   Ratio: %g%%",(b/(a+b))*100);
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 7

Hidden content!
  * *** ** *  **** *
int main(void)
{
 **** **  * *** * *****     * * a, b,success, fail ;
  * ** ** *   * *  **  ** *****  ******* * *  ** ***  *   * * * ** * *   **  
 ** * ****  **   ** *   * * *    ***   *  * 
   * *   **  **  ***** ** * **   *   
** * ** * *   ** ** * * *  * ** * **   *  Ratio: %g%%\nFail Ratio: * *    **   success, fail);
* **  ***  * *   *   *  *   *  ** **  0;
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 8

Hidden content!
#include <stdio.h>

int main()

{
* ** *  *  * **  *  * *   * **  *  a,b;
  * *  * *    *  **  ** *** **    * ** *   *  **  * *  ** 

****  **     ** **    ****  ****  *  * Ratio:   * *    *  *   
* * * * *   *     *  **   ****** *  * Ratio:   * ** *  ******* * 

  *** ***   *  ** *  *** **  **  0;

}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 9

Hidden content!
**** * *  * **** * *
int main()
{
***  **  ****  **  ***  * * **   a,b;
**  *   ** * **       ** * *  *  *   * *** *  * *   *   **  
 *** **** * *** *      *   *** * * *   * Ratio: * ** **   *   * 
 *** *   *     ***   * *       *  *   ** *   Ratio: %g%%",100*(b/(a+b)));
* **** * *** **  **     **    0;
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 10

Hidden content!
**      **  **  *    *
int main()
  {
 ***** ***** * ***   *   a,b;
 * *****   * **** *  *   ****    **** *  * * ** *       *  *   
**  ***  * ***** ******  * ***** ****  * * * Ratio: *   *  * **   * ** ** 
   **  ** ***  *    **  *  **  **   ***  Ratio:     *   *** **  **** **
*****   **  * *   **  *   *    *   0;
}

Comments

prog.c: In function 'main':
prog.c:5:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'float *' [-Wformat=]
     scanf("%d%d",&a,&b);
             ^
prog.c:5:15: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'float *' [-Wformat=]
     scanf("%d%d",&a,&b);
               ^