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);
               ^