1 like 1 dislike
7k 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
| 7k 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:172.70.126.43
©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
| 2.8k 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
| 2.6k 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
| 6.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users