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);
               ^