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);
               ^