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);
               ^