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);
               ^