1 like 1 dislike
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
| 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:172.71.254.103
©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
| 3.2k 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
| 3k 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
| 7.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users