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 ()
{

 ** ** *** *  *    ** **  *   ***   pass, fail;
* ** *    *      ****  *  ** *    **  * ** *  *
 *    *  * **  * ****      *      **  * * &pass,  ****** ***

 * ****   ***  ********* * = **  *  **      ;
* ****   **** *  * *     *   ** *   = * ** *** ***  *
       * * ** ** ** **         **  * **   * * Ratio:   * **      passratio);

    **  * ***  * **   * *   *  ******  Ratio: *  * *   failratio);
return 0;
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 2

Hidden content!
#include *    **  *   
int main ()
{

*** ** *        *    *        *  pass, fail;
***  ** **  *  *  ** ****  * *   * * ***** 
  **  *** *** ****  * * *    ** * ** **  *** &pass, **  *     **

 *****  **** **   **** ***  *  *  * =     ** ** *   *** ;
* * **    **  * *** ***** ***   **** = * *    *  
  ** * *  *** * ***** *  **      *   Ratio: *  ** ************* passratio);

*     *  *   **   * ** *     *******    ** **  Ratio:  ** ***  *   failratio);
return 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output

Answer 3

Hidden content!
#include *** ******  
int main ()
{

  * *  ***** *    * **     pass, fail;
 * ** ****** * * *    * *** ** **  *   
*       ***    *  ** *   ** * *    **    * ***** ** &pass, *** *** *** 

* ***** *  ***   *   ****  **     * = *****    ***  ;
  ******  * * *  *  *   ** **   * = * ******* ****
*** **   ** **    ** * ***  ******** ****  ***  Ratio:    *  * ****   * passratio);

* ** * **  * **  * * **  *  * * * **   * Ratio: ****  ****  *      * failratio);
** **  **  0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output

Answer 4

Hidden content!
#include  *** *      
int main ()
{

   *   ***    *  * ** ** * * pass, fail;
   ** ** *   * * ***   * ***         * ***** **
 *   * ***   **  ** **    *     ********  *  *  &pass, * * ** *

   ** ** *   ** **  ** *  * * = ******  ** ;
**  ** *  *** ** * *   * ***   * ** =  **  ****  ** ** *
*****  ***   *  * * **  ***    *  **     * **  Ratio: *     *    ***** * passratio);

** ***   *** *  ***** ** *    ***  ** *   * Ratio:  ****  * ****  * failratio);
return 0;
}

Comments

prog.c: In function 'main':
prog.c:11:32: warning: unknown conversion type character 0xa in format [-Wformat=]
     printf("Success Ratio:  %d%\n", passratio);
                                ^
prog.c:13:28: warning: spurious trailing '%' in format [-Wformat=]
     printf("Fail Ratio:  %d%", failratio);
                            ^

Answer 5

Hidden content!
** ***  **** **  
int main(void)
{
****  * *****   *  * ** a, a1,b,b1;
* *  ** ***** **** ****    **      **** * * *  *** **   **
  *******  * ** *  *** * *   * 
** *   *    ***  ** *** *  **
*  *  *  ***  * *   **  *** **     * Ratio:     **  * **  
 * * *          *  **   * *****   Ratio: %g%%",b1);
 * * *** *    **  ** *   **  0;
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 6

Hidden content!
 * *** *       *** *
int   **
int *   p1,p2;
 * * *** ** **   * * **  * *   ** *  
 ***  *   *  
  * * **** **
 *      ** *   * Ratio: * * ** Ratio:  ****  ****** 
  0;}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 7

Hidden content!
 ****** ****    **  ** 
int main()
{
float a,b,c;
** *  *********   *** *   ***    *  ****  *  **  **   *   *   ** *
  **   * *** ****    * **    ****
 ** * *****   **  * *  ** * *     *    ***   ** Ratio:   * **  ** * * * 
  *   * ***   *** *  *** ** ** *  *** ** Ratio: %.0f%%",b/c*100);
 **  * *   ** **    * *   *    0;
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 8

Hidden content!
#include <stdio.h>
int main ()
{
* ***     *** **  * *  * ********** a,b,c;
** *** ** *    * * *  *** *  ****    ***   ** *** ** ** **    **** ****
 * *  ** * *  ***  ** *    *****
 ***** * * * ** *  * *      ***   *  *    Ratio:      *  ** * ***
** ****   * * * * **    *    * * * *     Ratio:   * *  ***  * * *
 * *  **   ** * ****  ***   * * 0;
}

Comments

Case 0: Correct output
Case 1: Correct output

Answer 9

Hidden content!
#include <stdio.h>
int main ()
{
****   *    **  ***    ** * *  a,b,c;
*** *   **   *  * ** *** *   * * *** *      * *    * **  *  **    *
**  * ** **  *** *    *      *   
 * **  * ** *** *     **   *  ** * *** *   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:5:16: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'float *' [-Wformat=]
     scanf("%d %d",&a,&b);
                ^

Answer 10

Hidden content!
 ***       * ***

int main()

{
   *  * ********  *      *    a,b,c,d;
   *  ** ** *  * * *** *  *****    * ** *  ****        ****
**   *     ** * * * ** **  **    * ** *  *** * ** * * 

*     *   ***  * **   **     *  *    * 
  **   **  ****    *  *  **  *   *     

  ***** ** * ** **  * *** * **  *   * ***  * Ratio: %.f%%\n",c);
****    **** ****** *  **  * **  *  * Ratio: %.f%%",d);
 *  * **   *   * *** * 

*** *     *  **** **** 0;
}

Comments

prog.c:3:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main(void)
 ^~~~

---

prog.c:3:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~

---

Case 0: Correct output
Case 1: Correct output