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);
               ^