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);
               ^