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);
               ^