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);
               ^