1 like 1 dislike
10k 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
| 10k 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:172.70.80.185
©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
| 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
| 3.6k 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
| 9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users