1 like 1 dislike
12.9k 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
| 12.9k 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:172.70.126.17
©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
| 5.3k 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
| 4.8k 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
| 11.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users