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);
               ^