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);
               ^