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);
               ^