10-12 Exercise: A water supply company

1 like 0 dislike
19.3k 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 | 19.3k 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:172.71.254.69
©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 | 15.6k 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 | 13.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users