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);
               ^