1 like 1 dislike
11.1k 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
| 11.1k 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:172.70.127.115
©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
| 4.4k 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
| 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
| 9.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users