10-12 Exercise: A water supply company

1 like 0 dislike
20.8k 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 | 20.8k 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:172.71.254.169
©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 | 16.7k 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 | 14.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users