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);
               ^