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);
               ^