1 like 1 dislike
12.2k 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
| 12.2k 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:108.162.216.241
©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
| 4.9k 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
| 4.5k 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
| 11.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users