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);
               ^