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);
               ^