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);
               ^