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);
               ^