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);
               ^