10-12 Exercise: A water supply company

1 like 0 dislike
20k 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 | 20k 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:108.162.241.32
©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 | 16k 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 | 14.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users