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);
               ^