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);
               ^