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);
               ^