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);
               ^