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);
               ^