1 like 1 dislike
13.1k 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
| 13.1k 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:172.71.254.168
©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
| 5.4k 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
| 4.9k 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
| 11.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users