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);
               ^