10-12 Exercise: A water supply company

1 like 0 dislike
13k 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 | 13k 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:172.69.7.82
©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 | 10.3k 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 | 9.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users