10-12 Exercise: A water supply company

1 like 0 dislike
9.9k 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 | 9.9k 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:172.69.17.58
©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 | 7.9k 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 | 7k views
12,783 questions
183,443 answers
172,219 comments
4,824 users