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);
               ^