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);
               ^