1 like 1 dislike
16.4k 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
| 16.4k 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:104.23.197.95
©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
| 6.9k 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
| 6.1k 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
| 14.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users