1 like 1 dislike
14.8k 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
| 14.8k 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:104.23.243.108
©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
| 6.2k 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
| 5.6k 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
| 13.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users