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);
               ^