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);
               ^