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);
               ^