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);
               ^