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);
               ^