10-12 Exercise: A water supply company

1 like 0 dislike
22.5k 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 | 22.5k 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:172.69.7.59
©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 | 17.8k 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 | 16.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users