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);
               ^