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);
               ^