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);
               ^