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);
               ^