10-12 Exercise: A water supply company

1 like 0 dislike
17.7k 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 | 17.7k 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:108.162.241.185
©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 | 14.3k 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 | 12.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users