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);
               ^