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:172.71.254.36
©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