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);
               ^