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);
               ^