1 like 1 dislike
14.4k 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

 

[Exam] asked in Midterm by (12.1k points)
ID: 32351 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 14.4k views

59 Answers

0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
* ************ * * *** ***** a;
* ** ******** * ***** * * ***** * * **
* ** * * * *** *** ***
*** ** ** * * * *** * ** ** * *** *** ** %.2f",10+a*0.6);
** * ** ** ** * * ****** * *** ******** **
* ** ** * ** * * * *** * ** * * * **** *** * ** **** ** %.2f",10+18+(a-30)*0.8);
* ** * ** * * **** **** * * ** ** * *
*** ******* **** * ** * * **** * *** * * ** ** ** * ** %.2f",10+18+16+(a-50)*1);
* * * ****** * * ** * * ***** *
**** * ** * * ** * **** * ** * **** *** ** *** * * ** ** * ** *********** * *
* * * ** * ** * * * **** 0;
}
answered by (-258 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()
{
    float a;
**** * * * * ** * * ** ** ** * * ** * ****
* * * * *** * * **** * *
********* * ** **** *** *** * ** * * * *** *** *** * ** * * ** * *
* * ** * ** ** * * * ** **** * ** **** * *** ** *
* * * * *** ***** *** * *** * ******** *** **** **** ***** * *** * * ***** *
* *** * ** * * *** * ** * * ** *** *
* ** ** ** *** * * * * * * *** * ** **** * ** ** ** ** * * **** *** *
* ** * * **** * ***** * ** **
* ** ** ** * * ** * *** *** * * ******* * * *** * * * * * **
    return 0;
}
answered by (-258 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>
#include <stdlib.h>

int main()
{
    int a;
* * * * *** ** **** ***** ******** * * * **
* * * * * * * ****
* ********** * * * * * ** **** ** * ***** * ******* ** **** ***** ** *** * *
***** *** * * * ***** * * * * * ********
***** ** ** * * * * ** * * ** ** *** ** *** * *** * * ** ** * *** ** * *
* *** *** **** ** * ** **** ***** * * * * *
** ** * * * * ** ** ***** **** ** * ** * * ** * *** ***** * ** *** ** * *
**** * * * *** ** *** ** * * ***
** **** ** ** ** *** * * ** * * ***** * ****** * *** * ** ** * * * * **** **
    return 0;
}
answered by (-258 points)
0 0
prog.c: In function 'main':
prog.c:7:13: warning: format '%f' expects argument of type 'float *', but argument 2 has type 'int *' [-Wformat=]
     scanf("%f",&a);
             ^
prog.c:13:20: warning: format '%f' expects argument of type 'double', but argument 2 has type 'int' [-Wformat=]
         printf("%.2f",10+18+16+(a-50)*1);
                    ^
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
* * *** * ** * * ** * * * * a;
* *** ** * ** ** ** b;
* * ******** * *** * * ** *** * * ** * *** &a);
* ** * ***** * *** ** * ** a<=30 )
** ** * * * * * ***** *** *** ****** ** ** * *
* * ** * ** * * * * * ** * ******** if (a<=50)
* *** * **** ** * * * ** * *** ** ** *** * ** * ** **
* * ** * *** ** * * ** * *** * * if (a<=60)
*** * * * * * * ** *** * * * ** ** * ** ** ** **
* * * * *** * **** * ** * * *** ** ***** * b=10+30*0.6+20*0.8+(10)+(a-60)*1.2;
* * ** ** * * ** ****** *** * * * * ** *** * %0.2f", b);
* * *** ** * * ** 0;





}
answered by (-140 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(){
**** *   float fix = 10.0;
* * * *** * float n=1.2, n10=1.0, n20=0.8, n30=0.6;

** ** *   float a;
* **** float cost;

* ***   * * * **** * * ***

***** *   * ** ***
* ** * * *** * ** *** * * * * ** * *** * * ** = * *** **

* * ***** * ** ** ** * ****** ** * * ** *
*** * * * * * * * * ** *** * * * * ** = *** * ***** *** ** * *

****** **** *** **** * * * ** *** ** * ** *****
* ** * * *** * * ** * * * ** ** * ** ** * = ****** * **** * ***

** * ** * * * * * ** ** *
***** ** **** * ** * * ** * **** * ** ** = ** * ** * **** * **

* ** ** * *** *** ** ** *** *** * cost);

* *   return 0;
}
answered by (-74 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include * * ** ***

int main(){
*** *   float fix = 10.0;
* * *** * * * ** float n=1.2, n10=1.0, n20=0.8, n30=0.6;

* *   float a;
** ** * * * float cost;

* * *   * ** ** ** * * ** * *

* * *   * *** **
* ** ** * * * * *** **** **** * ** * * * ** ** ** = *** ***

* *** ** ** * * ** * * *** ** *** * * *
** ** * * **** *** * * **** * ** * * **** **** * ** * = *** * ***** * *

* ** * * **** ** * * * * ** ** * * *** **
* *** * ** * ** ** ****** * * ** * * ** = ** *** * ** * ** **

** **** *** ** * ***** ***
* **** * * ** * * ****** ** ** ******* * * *** * = * *** * * * * * *** *** *

***** * ****** **** ** * **** **** **** **** ** * cost);

** *   return 0;
}
answered by (-74 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include *** * *** * *

int main(){
* *   float fix = 10.0;
** * * *** float n=1.2, n10=1.0, n20=0.8, n30=0.6;

** * ** **** float a;
* * ** float cost=0;

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

* * * ** * *** * ** ** **
* * * * ** ******** ** *** * * * * * * *** = fix+n30;

* *   * * *** * * ** * * *
* * ** ** ***** ** * *** * * ***** ***** * * * = * **

** * * *** * * **** ** * **** * ** *
** * * * * * * * ** * **** **** *** ** = * * * * * *

** ** * ***** *** * * * * ** ** **
** * * * * * ** * ********* *** * ** ** = ** ***

** ** * **** ** *** * * * * *** * * * cost);



***   return 0;
}
answered by (-74 points)
0 0
prog.c: In function 'main':
prog.c:10:10: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'float *' [-Wformat=]
  scanf("%d",&a);
          ^
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main (void)
{
    int a,j;
* * * * ** * ** * s;
* * *** ** *** ** ** **** * ****** * **
** * *** *** * ** * **** && a<=30)
*** * *** * ******* * ** ** ** * ** ** * ** * * **
**** **** ****** * * * * ** * * **** * *** * * ** (a>30 && a<=50)
** * *** ** * ** **** * * ********* * ** * * *** * ****
*** * * * * * * ** * **** ******** **** (a>50 && a<=60)
* ** *** ** ******* ** * ** * ******* ** **** * * **** ***
*** * ** * ** *** * * * * * * * * * * ** ** *** ** (a>60)
** ** * ** **** * * ** * ** * * * ** **** ** * ******* ******
* ******* *** ***** * * ** * ** * * *** ** **
******* * * ****** ** ***** ** ** * * ** * ** * * * * * %.2f",s);
* *** ** ** ** *** * * * *** *** *** 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<stdio.h>
int main (void)
{
    int a,j;
    float s;
**** * * * **** * ******* * ** * * * * *
    if(a>0 && a<=30)
** **** *** ** * * * * * ** ** * * *** **
* ***** * * *** * * *** ***** * ** *** * *** (a>30 && a<=50)
**** * * ** *** **** * * * * **
* ** ** * ** ** * * ***** ******** * ** * * * * ** * ****** * * * ** ***
* *** * * * * *** *** * * ** ** * ** ** * *
***** *** **** * ** *** * * * **** * ** * ** ** * (a>50 && a<=60)
* * *** ** * * * * *** *** ** **** ***
** * ** * * * *** * * * *** ** *** * *** ** ** * ** * ***** *** * * * ** *
*** ** ** * *** * ** ** * * * ** **** ** **
* *** * *** ** ** * ** * * ** ****** ** ** (a>60)
* ** * *** * *** * * *** *** ******* *** *
* * * * *** * * * * * *** ** ** ** ** * **** *** ** *** * ***
** * * *** *** **** *** * * * ** *** *
*** ** ** * ********* * * ** * *** * **** * ** ** * * *** *
**** * ******** *** * ** * **** ** * *** * * * **** %.2f",s);
* ** ** *** **** **** * *** * *** * * 0;
}
answered by (-168 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>

float main()
{
***** * ** ** * * ** a,b,c,d,e;
** * * ** * **** *** * * *** * * **
** *** ** ** ***** * * *
* * * ** *** ** * ** **
* * ** ** ** ** * * * * **
*** ** * ** * *


* * * * ** * * * * (a>0,a<=30)
* ** * * * * ** * ** * ** ** * * ** * *** * *** %.2f",a*0.6+b);

***** **** * * ** * * **** * * ** * * ** *** (a>30,a<=50);
* ** **** *** *********** * ** **** * * * ** ** * * **** * ** ** ******* * ***



** * ** * ** ** (a>50,a<60)
* * ***** * * * ** * ******* * ** ****** ******* * * * ** * * * ***
** * ** * * *** * * * * * * * * ** ** *** ** (a>=60);
* *** * ** ** * ****** ** *** *** * * * * * * **** ** **** ** * *

***** ** * ** * ***** ** 0;
}
60/100 answered
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.243.164
©2016-2026

Related questions

0 like 0 dislike
19 answers
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36750 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 6k views
0 like 0 dislike
15 answers
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36755 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 5.4k views
0 like 3 dislike
58 answers
[Exam] asked Nov 15, 2017 in Midterm by thopd (12.1k points)
ID: 32710 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 13.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users