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:108.162.216.136
©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