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);
               ^