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);
               ^