10-12 Exercise: A water supply company

1 like 0 dislike
21.6k 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 | 21.6k views

91 Answers

0 like 0 dislike 
Hidden content!
****** *** * **  * 
int main()

{
**  *** **** ****** * **  **  meters, cost;
***  ** * **   *   *** ***   *** ***** * *** ** &meters);
**  * * *  * ** ** *  ** ***
** * * ** ** ***** *    * ***   *  <= 30)
    * *   * * ***  ***   ** *** *   * *** ***   *** *** *  = 0.6*meters;
*   *  **  *  *  * **** *  * if(meters <=50)
** * ** ** **      * ***  * *****  *  **     ** *** **   *   = 0.6*30 + 0.8* (meters -30);
 **    **** *  *  * *** * * *  ** if(meters <= 60)
 ****** ** * **** **** *** * ***          **  * *****  *  * * = 0.6*30 + 0.8*20 +1*(meters-50);
   ** * * * *  *  **  *****
******* ***  * **   ** ****    ** *  *  * *     ***  * * =   ** ****** **  *** ;
  ** * ***         *   *
* * ** *  ** **    *** *  ** *  += 10;
** *   * **** *     **  ** ***    ******** *  %.2f\n", cost);
 ****       ***   * ****      
*  * *   *  ** ** *   *  ** * 0;
}
answered by (-233 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
   *** * ***       
int main()

{
* *  ***  *** **  *  * meters, cost;
   **  *** ** ** * *     **   ***   *  * &meters);
  *     ***   ** ** **  
* *** * * *     ******  ******  <= 30)
 * * *  **** **      * * ** ***       * *  ** ***** = 0.6*meters;
*  *****  **  * **   **   *** * if(meters <=50)
*   *** *    ***   *  * ** *    ** *  * *    * * *  ** ****   ** = 0.6*30 + 0.8* (meters -30);
* *** * *  ***  *   *** ** * *  if(meters <= 60)
   ** *   *** * **    **  *** **    **  *   = 0.6*30 + 0.8*20 +1*(meters-50);
  **    ** *** **** * * * ** 
** *** ** *   ***  ***  * *  *** * ****   *  *** *   **  * = *   **  *** * * ****** *   *  ;
* * ***** * * *  *   *   * 
***  * *  ****   ** ** ******* += 10;
  *  ** ***  *   **  * *   *  *   * * %.2f\n", cost);
*    ****   *  *   *  ** *
* *    *   **     **** * ***  0;
}
answered by (-233 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
    int a,b;
* *  * ********         * **   total;
* * *  *     *     *      *  ** **** * ***   * * *    
***    * **  **    ***  * *****  ** * **   * *   * *  *** ***  * *
* ********   *****  *     *    ** * *    *** * **   ****   ***   *** * *** **
**** *****    ** ** *** ** ***     ***** *  **   * *  *  * ***    **  *    *   **
 *** ** * *** ********      *** ***  **
*** **  **  * **    * ****  *  ***  *** ****** * **  
   *  * ***** **   ** *   ** ******** * ** %.2f",total);
* * ** ** *** * *  *    ****** *  0;
}
answered by (-32 points)
0 0
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  * ***   *    *
int main (){
int a,b,c;
float  ***************
*    * * *  *  number");
  * *  ** *  ** *** * *** ** 
total1=10+a*0.6;
 ****   * *  *  ** * *         
* ** * * * *    *   * *  * *   *
    **   * *****  *      *
 * * *   * * *
*       **      *  * * *  ** ****
* * *    * * ** ***   * *** *   * 
* *    *    *** *** *** 
 ***  * * **
  ***  * * *   **  *    *****   *  

return 0;
}
answered by (16 points)
0 0
prog.c: In function 'main':
prog.c:6:10: warning: format '%ld' expects argument of type 'long int *', but argument 2 has type 'int *' [-Wformat=]
 scanf("%ld",&a);
          ^
prog.c:10:10: warning: format '%ld' expects argument of type 'long int *', but argument 2 has type 'int *' [-Wformat=]
 scanf("%ld",&b);
          ^
prog.c:14:10: warning: format '%ld' expects argument of type 'long int *', but argument 2 has type 'int *' [-Wformat=]
 scanf("%ld",&c);
          ^
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main()
{
int b=10;
float a,c;
    scanf("%f",&a);
  **   **  *   ** * *  * ** * *  *    ***** * *  *  * *  * ** *
   ** *** ****** **** *   * *    **   * ***  * *** * * *** ** ** * ** *   *    
* *** * *** *** * *** *  *****  *  *     * *** *  * *** * if(a>50)
   ***  *    * ** *    * *  ******  ****    ** *****     *   **  *  * ***  
*** *  ** **  *  *   * **   ****** * *    *   *   ***  if(a>30)
* * * **  *** **  **  **   ** *   *   ** *   *   *   *  * ***   ******
****  *   ** * *  **  *  * *  * * ***  ****** * *     **  if(a<=30)
 **  ***** ** *  ****      ** **  *   **     ***  * **** * **    * *
 ** ***** **  ** ** ******     *  *** *****  *  **   * *     *  ***  * * ****
 **** **    *   * *   * *** *  *** *  ** * * * * ***  ***  * 0;
}
answered by (64 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include **    **** *
int main()
{
* ** **   * **   **       * a ,b,c,d,e,f,t;
 * **** * *****   **** ***** * ** * *** **   *   * **  *
*   ***   ** ***      * **  **  **
     * * * ***** *** *** **  ***    * **  * **        + 30*0.6 + 20*0.8 + 10*1 + (a-60)*1.2 ;

**  * *****    * ** **** **** ** ****    
* *  ** *** *****  * *    **   *     ** *******  * *    * + 30*0.6 + 20*0.8 + (60-a)*1;

* * * * *    **  ** * * * **    ** *     **** **
*   ***  ** *  * * **  ** *** * * * * * * * ****   ** ****  + 30*0.6 + (a-30)*0.8;

 ** **   *  *   *****  **  ***** *  **
****  ** * *      *** ** * *    *    * *  **  ***   + a*0.6;


 *   ** ** ** *  ** **   ***   ** * ** **** %.2f", t);

  * *** * **  ****  **  ***    *  ** 0;
}
answered by (-32 points)
edited by
0 0
prog.c:2:2: warning: return type defaults to 'int' [-Wimplicit-int]
  main()
  ^~~~
commented by (4.3k points)
0 0
prog.c:2:2: warning: return type defaults to 'int' [-Wimplicit-int]
  main()
  ^~~~
commented by (4.3k points)
0 0
prog.c:2:2: warning: return type defaults to 'int' [-Wimplicit-int]
  main()
  ^~~~
commented by (4.3k points)
0 0
prog.c:2:2: warning: return type defaults to 'int' [-Wimplicit-int]
  main()
  ^~~~
commented by (4.3k points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
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,TOTAL=0;
 * *   *   ** ***** * ********* * *** ** * * *  * * *   * * *
  ** *  *  ** **    *   *   (a<=30)
    * *   * ***  ****  * 
* *  **   * ***** *  ***  * *      * ** *** **** * **  *   **  * ** ***
***   **  * * ** ***   ***  * **   *   ***** * ***     **** %.2f",TOTAL);
****  ** * ***   ** *  *   *    
  *    **       *** * *** *** * if (a>30 && a<=50)
  * *****  * *****  * *** * *
 **     * ***    **  * ****   *  **** ******   ** *     *  **  *** 
  * ***   * ******** * *   ******  ***  ** ****** ****** *  **** *  ** %.2f",TOTAL);
  *  *** ***     *  ** *
 *   ** **  *** **** * ** * *** if (a>50 && a<=60)
***    ****    *   *** *  
 *  * *  *  * * *** ******     * **** *** *    ***  ******     *       
 **    *  *      **  *** * * *   *** * ***      ** **** ** * * *    ** **   *  %.2f",TOTAL);
 * ***  ***         * 
*  **** *** ** *     *    **** if (a>60)
 **** ***** *     ** * ***  ** *
 * *     **  **** * **     ** ********    *** *  *   ***    **** *****   * *** **  
** **     * *  **** ** *  * * *** ******** * *  * * ******  %.2f",TOTAL);
    }
}
answered by (-214 points)
0 0
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()
{
    int meter;
    float cost;

** * * * *** * ****  ******* * * * *  *   *** **  * ***  * * * 

*    *   *** *  *  * * ** ** **** * **** * 
** *  ** ***   * *  **  ** **** ** ****      **     *     *  **   *** *  
* **  * ** *  *****  **    **** **     ****   *    *  ** *   * *  **   * %.2f",cost);}
    else
 *** * * **** *    ** ***  *       **   **  * * * ** ** * *  * 
 ***   ****** *   * ** * *** **         **   *  *  *** *** **** *   ****  **   ******** *        ***   *   *
 **  **  **  ** *** **  *** * ****   * ***   *** ******   **   ******  ***   ****   * **       %.2f",cost);}
*   * * *****  * ** **  ***  * * ***** **  * *   * *   
   * * ** ** * **** * ***   *** * *  *   *  ** ***** ***       * *   **  * ****    *   **** ** *
     * ***  *  *  * *      ****  ***   ** ***  *  * ** ** ***  * **     ** ***** ** * *  ***** **  *** * **  *  **  *  ***    * ***       *****  * 
****  * *  ** **   **  ** * **** ** ** ***   * *    *    *** * *     ***  * ** *      *    * **** *  *       *   ***   * %.2f",cost);}
* * ** * *******     *** *    *******   ***  *** * ** **   **  **  **  *** 
* * ***  **    *****   ********** ***   * **** * * * ***   * * *    ***   **  *   *** ** **      *  *   *  * *    *   ******** ** * **  
** ** ** *  *  ********   *******  **  ** ****  *  * *******   **     *    *    ****  *  * *  ***        *****  * *   *   %.2f",cost);}

    return 0;
}
answered by (-16 points)
0 0
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,b,c;
 *   ** *  *  ***** **   ** **   **   * ***** * ** * 
   **** ****** **    ** ** * ******* * 
** * *   ****  *  *      *  *
 ****   *** * ***** ** **  *  *  *    * *  *   *  *  ** **
 *  * *  *   * *  *** * *****
***   *   ***  * ***  * * ** if(a<50)
*  *  ***** * *  *      
 ** ***   * ****  *** *      * * *    *** ****** *  * ** **
    }
 **   **  *  ***  *****  * * if(a<60)
    {
* *  ******  ** *  * *    ** *   * *  *****    *   ** *     ** **  *  *  ***
    }
     *     * * *  * **   *  *** **  **
 ** *  ***** ** * * * 
*   *    *****  * *  *   ***** *   * *****   **  **  *   ** *    **
 *****   * ****     *   ***** 
 ** *     ***   * ** * *  *****    ***   * %.2f",c);
}
answered by (-329 points)
0 0
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;
* ** **       **  * ** *     * * **  * * ***  ** *******
*  *****   **  ** *  *    * ***    * *   **  ****  **   *
**    ** **   * ****    ** * ***  **    ***     *        ** ** * *   %.2f",10+0.6*a);
  * **** * * *****  *   * ** * * *  *****   *  ** * *
*** *  **  * ***  *     ********   *** * *  ** **     ******  *****  **  %.2f",28+(a-30)*0.8);
 *  **     *  **  *** ****   *  *   * *  *   ** *  *   *  **** **
 ** * *****    *     ** ** ** ** ** *  *  * ** *** * **   * ** * ** **** ** * %.2f",44+(a-50));
**  *    * ***       * *    *    
 *   ** * **  *  ****        * * * *   *   *****  * **  ***  %.2f",54+(a-60)*1.2);
 ** *  ****   *    **  ***   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 by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.130.93
©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 | 17.4k 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 | 15.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users