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);
               ^