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);
               ^