1 like 0 dislike
27.8k 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 | 27.8k 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:162.159.115.10
©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
| 22.4k 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
| 20.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users