1 like 0 dislike
25.2k 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 | 25.2k 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
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
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
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);
          ^
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
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()
  ^~~~
0 0
prog.c:2:2: warning: return type defaults to 'int' [-Wimplicit-int]
  main()
  ^~~~
0 0
prog.c:2:2: warning: return type defaults to 'int' [-Wimplicit-int]
  main()
  ^~~~
0 0
prog.c:2:2: warning: return type defaults to 'int' [-Wimplicit-int]
  main()
  ^~~~
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
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
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
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
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
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.197.64
©2016-2026

Related questions

3 like 0 dislike
87 answers
[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
| 20k views
3 like 0 dislike
86 answers
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited
| 18.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users