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);
               ^