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);
               ^