10-12 Exercise: A water supply company

1 like 0 dislike
21.3k 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 | 21.3k 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:172.70.80.197
©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 | 17.1k 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 | 15.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users