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);
               ^