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);
               ^