1 like 1 dislike
8.8k 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
| 8.8k 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:172.69.7.173
©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
| 3.5k 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
| 3.2k 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
| 8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users