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);
               ^