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);
               ^