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:172.71.254.168
©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