10-12 Exercise: A water supply company

1 like 0 dislike
20.9k views

A water supply company charges the water consumption, as follows:

a) Fixed amount of 10$.
b) For the first 30 cubic meters 0.6$/meter.
c) For the next 20 cubic meters 0.8$/meter.  
d) For the next 10 cubic meters 1$/meter.  
e) For every additional meter 1.2$/meter.   

Write a program that reads the water consumption in cubic meters and displays the bill.
寫一個輸入水的用量 輸出水費的程式

Example Input:

25

Output:

Cost: 25.00

Example Input 2:

44

Output:

Cost: 39.20

Example Input 3:
 

75

Output:

Cost: 72.00

 

[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 26465 - Available when: Unlimited - Due to: Unlimited
edited by | 20.9k views

91 Answers

0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
  *   * * *   * *  ** *  *  * a;
** *** * * * * * ** * * *** *** **   * ** ***** **  
    ***   *** **   *****  *   *  (a<=30)
****  ** ** *** *    *  * ** **   **  * **  ***  * ** **  *     *       *  **  %.2f",a*0.6+10);
**  *** ** *** * * ****  ** *  *  if (a<=50)
*  **   *  *     **   ** * * * *  *** ***** *  * ** * *    **** ** **   *** * *  **     
 **    *    *    ******  *** if(a<=60)
 * *  * ** **  ** * **  ** * ****     **   *      **  *** *   * * *   * %.2f",34+(a-50)*1+10);
    **   * ****   * * ***
 *  *  *  ****  *    *     *  **   **  *  **** *  ** * * *    ****  **         *   * * *  * *    
** ****     ** ** ******  * *  **  0;
}
answered by (-108 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
** *    * * *** *** * ** a;
  *    * ****   * *   ***   ***    *  *    * *  *     
    if (a<=30)
* * *    * * *  **  * *   **  *    **  * * *  *** ** **   *    *      ***** *    *** ** * 
** ** *   **** * *  ** **  if (a<=50)
 *   * *** *****   **  * **   *   * *  ** ** * *   *  * ** ********     ****     ******  ** ** *  *** ** 
 * * *  * *  ***  *** ***  ***   **  if(a<=60)
  ** **    * *    *** ***  *    * ** *********  *  ** **    ***   ***** **   *  *  **   ****
 * *******  *   ** **   *  *  * **
 ** ** ** ***   *** ****     ****  * *  *  ** *** *  **** *      *** *  ** * ** *  ****** * *** ** 
  * ***   * ****   * *  *** ***   0;
}
answered by (-108 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
 *  * *  *  *** * **  ** *****  x;
 ****  *  * **   *   *      **    * *  ** *  *  ** ** * * *  *
* **      * *****    * * **  *** *  * ***    *  
**      **  * ***  *  * ** * **   **   ** %.2f",x*0.6+10);
 **     **    ****   *      *  *    ** *       ****  * *    *
 **  *      *  *  ** *   * **     ***   * **  * *  *** * *  ***** 
 *  *      *      * *  *****    **   ****    *** *  *  *** 
    * **  * *   *    * * ** *  ** * %.2f",(x-50)*1+44);
***  *      *    ** *****  
 ** *****  **** * *  ******** * * * *   * *    * ** **** ** *  **
 *  *  *   **  *  * * * * * *  **  0;
}
answered by (-498 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include    ***  * **   

int main()
{
*  *    * ** *****  *  **** * a,b=10;
   *  ***      **   *** * *  * **   *  *  ***  ** **** *** 

** * *   *** **  * *    ******* *    ***
   ******** * ****   ** ********

 * * *      * * ** *  *** ****  *** if(a<=50)
* ****** *****  * * ***    ***  

* **  ****** *  ***** * * *  *** if(a<=60)
 *****  * * ***  ** *   *       * *  ***       **      *   ***  *****

   * *  *   *      *  **     *   
   ***   **  * **   **  **     * *   

* *    **** *   ****  ** *  **  **** ** ** *  * *  %.2f",b);
return 0;
}
answered by (-127 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
   *    ***  *** * ****  * a,b=10;
*   *     ***   ********** **   * * **  *** * ** ** 

 *** * *   * ***  ***   **   **** *  *  * **  
******  **** * *  * ***  *

 *    ***  *  **** *    * ** if(a<=50)
***** * * * * **   ** * * * ** ** *

* *  *****   * ******** * * *    if(a<=60)
* ***  * * *  * *   **   * ***   **       **  *   *   ** *  * *  *     

*  **  *       *   *     
 * * *   **  *****   *** ** ** **  *  *  *

 *      *     ** *   ** * *    * *  ** **   **
return 0;
}
answered by (-127 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdlib.h>

int main()
{
   * **   ** ** *** **  *** **  *  x;
***  **  *    *      *   *     **  ***  ** * * * ***   * 
  * **** * **** *    *  *   ** *   ******** *  **  * *** 

 ***      **  ***     *** * ** *   * * *  *   * ******   ** ***  *** %.2f",x*0.6+10);

**  *** **  * ****  * * * * *   *    ***  **  ***  ** ** *   * *

   *  ** *   **    ***  ** *    *    **    **  **   **  ** *   ** %.2f",(x-30)*0.8+28);

 *  **  *   *          * **  *    **** ** *     *****   

  *** ***  * * ***  * **   *** *  * *    * *  *    ***      **  ****  %.2f",(x-50)*1+44);

**  ** **  * * * * * *  **   * 

   * **  ***   * **       ** *     *****  *    ** ****     **  *  * ***    %.2f",(x-60)*1.2+54);

 **   ** *   *  * *** **   *  0;
}
answered by (-498 points)
0 0
prog.c: In function 'main':
prog.c:6:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration]
     scanf("%f",&x);
     ^~~~~
prog.c:6:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror]
prog.c:6:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
prog.c:9:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration]
         printf("Cost: %.2f",x*0.6+10);
         ^~~~~~
prog.c:9:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
prog.c:9:9: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:13:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
         printf("Cost: %.2f",(x-30)*0.8+28);
         ^~~~~~
prog.c:13:9: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:17:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
         printf("Cost: %.2f",(x-50)*1+44);
         ^~~~~~
prog.c:17:9: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:21:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
         printf("Cost: %.2f",(x-60)*1.2+54);
         ^~~~~~
prog.c:21:9: note: include '<stdio.h>' or provide a declaration of 'printf'
cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
* **  * *   * *  ** ** * **  **  a,b=10;
***  ** ***** *  *  * ** ** *  **      **       *  *  ** *
 * * * ** ***  **** * ** * * *** * *** *
   **       * * ********* ***  *     *  ** *** * *     ***
***   * **  ***  *   *** ** * * *** if(a<=50)
    * * *** * **   ***    ***  ** *****   *****   * ****
    else if(a<=60)
  * *   *** ***  * ***  ** * ** ** **   *  ***** ** ***** ** **
** ** * *  *  ** * ***  *  *   
  ***    * ***  *    ***   **  **  ** ****   * **  * *   **    *  **** 
*  * *****  * **    ****** *  * ****   * ** %.2f",b);
** ***  ****** **  *    ********** *  0;
}
answered by (-255 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include *      *    **

int main()
{
*** *        *   * *** *  ****   * a,b=10;
*   * *   * * * * **   *  **** * **   * *   *   ****** 

 ***   *   *** ********   *  *         ****
*  *  *    *      *    ** **  * **

  ** *   *   **        * * * *  if(a<=50)
 *  ** **** *  * ***  *     *** **  *

   * **    **  ***    **  *  ** if(a<=60)
*  *       * *       **  ** *    *  ****   ****   * *** **   * ****

  ** ** *    ****    *******
****** ** ***** ** *  *** ** *     *

 * ** *  *     *  *  **    * * * **** ***   ** %.2f",b);
return 0;
}
answered by (-127 points)
0 0
Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
***** *   * *****  *  ******  ** **  a,b=10;
  ** * ** *****  *  ** *   * *  * ** * *    *  **  * * * *  *

* * * ** * *   *   ** *    **   **  * 
    ** *   ***    * ****  **  *

     * * **** ** ** * * *** if(a<=50)
 * *  *  ****** **  ***** *** * *   *

**    **** *  **  * * *** * if(a<=60)
       * * *    *   **     * **  * * **   ** *  *** **  ** 

  *   ** **     *  *****
  ** ** * *** **  ** **    *** ** *   **

 ******    **  * ********  * * * ** ** **** *  * *
return 0;
}
answered by (-127 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main(){

 * **    ** *   ** **    * **  * a,b,c,d,e;

     * ** *      *  ** *  *   *   *    * *   *********  *  * 
 ****  ** * *** **   ***** ***** **
******   * * **    * * ** ******* 
      ***   **** ** *   ** ** **** *
*  ***  *    * ***  ** *  *  * * * *** 

 ***  * ***** * *   * **     ***   **  * ***   ** **  *    *
**  ** ** * *  *   ** ** ** * **** *  *  **   *** ** *  *  * * * **  %.2f",b);}

 **** *  * *** ** * * * **  * * * *  * *  ** ** * *   * *  && a>30){
   *  **   **  *****  *   ***  * **  *  * ****  *  * * ****  * *     %.2f",c);}

  *   *   *** *    * * **** *  ** *  *         *   *  && a>50){
***    * * * * * *  ***       ** **  *    *   ******    * **    ***** *  %.2f",d);}

 *  **   ****  *  ***   *  *   *    * **   ** ** **** *
  **** * *  *   *  * ****   **** *  *    **** ** *  *  * * **  *** *   * %.2f",e);}










** * *  * *    *** *** *****    *   * 0;



}
answered by (-301 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.214.39
©2016-2025

Related questions

3 like 0 dislike
87 answers
10/12 Exercise: Complete a program with output format
[Exercise] Coding (C) - asked Oct 12, 2017 in Chapter 3: Formatted Input/Output by thopd (12.1k points)
ID: 26463 - Available when: Unlimited - Due to: Unlimited | 16.8k views
3 like 0 dislike
86 answers
10-05: A program that reads the exams result and displays the percentages.
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited | 15.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users