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);
               ^