10-12 Exercise: A water supply company

1 like 0 dislike
25.1k 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 | 25.1k 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:104.23.197.64
©2016-2026

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 | 20k 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 | 18.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users