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);
               ^