1 like 1 dislike
7.8k 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

 

[Exam] asked in Midterm by (12.1k points)
ID: 32351 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 7.8k 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:172.69.17.31
©2016-2025

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
| 3.1k 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
| 2.9k 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
| 7.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users