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);
               ^