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);
               ^