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);
               ^