1 like 1 dislike
10.5k 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
| 10.5k 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:172.71.254.6
©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
| 4.2k 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
| 3.7k 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
| 9.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users