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);
               ^