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:172.70.130.211
©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