1 like 0 dislike
18k 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

 

[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 26465 - Available when: Unlimited - Due to: Unlimited

edited by | 18k views

91 Answers

0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
** ** ** *** * * * a;
* * * ***** * ** * ***** ***** * * * *
**** *** * ** * * ****** * (a<=30)
* ** **** ***** * ** * ***** * ****** * * *** * *** * %.2f",a*0.6+10);
** * *** * * ** ***** * *** if (a<=50)
*** **** **** ** * * ** * ************ * ** * * * *** * *** * *** ***** * * *
** ** ** * ** *** if(a<=60)
* *** **** **** ** ** ***** ** ** * ** *** **** ** %.2f",34+(a-50)*1+10);
** * * ** ****** *** ** *
* * * * ** **** * *** * * **** * * *** ** * * * ***** * ** * *****
****** * ** *** **** * * 0;
}
answered by (-108 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
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()
{
* *** * * * *** **** * ** a;
** ** ** ** * * **** ** **** * * ** ** * **
    if (a<=30)
***** ***** * ***** ** * *** * * ** * * ** * * * ** ** ****
*** * * ***** *** ** ** * if (a<=50)
** *** *** *** ** * * ** * ** ** ** ****** * * ** **** *
* ** * *** ** *** * if(a<=60)
* * ** * * * * * * * * * ** * * * ** * * * * ** ** * *** * ** * **
** * * * * * * *
** * * * *** * * ** * * ****** * * * *** ** ** * * * * * * * * * *
* ** ** * ** * ** ** 0;
}
answered by (-108 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()
{
* * ** *** * ** ** ***** x;
**** **** * * ***** ** ** ****** ***** * **
* * * ** *** ** * * * * ** **** **** *
***** ** **** ** ** ** ** **** * * %.2f",x*0.6+10);
** * *** ** * * * ** ** **** *** * **
* * ** *** *** ** * ** * * * **** * * *** **
* * ** * ****** ** * ** ** * *****
* ** ** * ***** ** ** ** * * * * %.2f",(x-50)*1+44);
** * * *** * *
** * ** *** ** *** ** * * ** * * ** ** ** ** *
** ** ** ** **** ** ****** 0;
}
answered by (-498 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
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 * * * * * *

int main()
{
** * *** ** ** *** ***** a,b=10;
* * **** * *** * ** **** ******* * *

* * *** ** ** ** ** **
** * *** ****** * *** * * ***

** ***** ** *** ** * *** if(a<=50)
** ** ** * ** ***** *** ** **

***** ** * * ****** * * if(a<=60)
* * * * ***** ** *** * ** *** *** ***** *** * * *

* **** *** **** ** * ***
* ** * * * ****** * * ** *

* * * * * ****** ** ** *** * * ** %.2f",b);
return 0;
}
answered by (-127 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
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()
{
** *** *** ** *** * * * * a,b=10;
*** * *** ***** * ** *** ** * * ****** *** **

* * ** ** * **** * * * ** *** *
*** * ** *** ** *** *

* ****** *** if(a<=50)
*** * * ** * * * *** * * * *

***** * *** ** * ** **** if(a<=60)
*** ** * ** ** * *** * ** **** * * * * ******** ** ** **

* * * * * ****** ** *
* * ***** * * ******* *** * **** *

** * * * * *** * ** ***** ** ** * * ***** *
return 0;
}
answered by (-127 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 <stdlib.h>

int main()
{
* * * * * **** * * ***** x;
* * ******* * * * * ** ** ** ** * * * **
* ** * **** * * * *** *** *** ** * * ** * * **

** ** ** *** * * **** * ** ** ** * * ** ** *** %.2f",x*0.6+10);

**** * * *** *** * ** * ******* * * * * ** *** *

* * * * ** ** * **** * * ** **** ** ** * * *** %.2f",(x-30)*0.8+28);

*** * ** ** * * ** * * * * ** **** ****** * * *

** *** * *** * ** * * ** * * * ** *** ** ** ** %.2f",(x-50)*1+44);

* * *** *** * ** * ** * **

** ******** ** ** *** **** * ** * * * ** * %.2f",(x-60)*1.2+54);

** * * ** * *** *** * 0;
}
answered by (-498 points)
0 0
prog.c: In function 'main':
prog.c:6:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration]
     scanf("%f",&x);
     ^~~~~
prog.c:6:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror]
prog.c:6:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
prog.c:9:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration]
         printf("Cost: %.2f",x*0.6+10);
         ^~~~~~
prog.c:9:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
prog.c:9:9: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:13:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
         printf("Cost: %.2f",(x-30)*0.8+28);
         ^~~~~~
prog.c:13:9: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:17:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
         printf("Cost: %.2f",(x-50)*1+44);
         ^~~~~~
prog.c:17:9: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:21:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
         printf("Cost: %.2f",(x-60)*1.2+54);
         ^~~~~~
prog.c:21:9: note: include '<stdio.h>' or provide a declaration of 'printf'
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
* ********* * *** ** * *** a,b=10;
*** *** ** *** ** * *** * ********* * * * *
** *** ** ** ** * ** *
* * * * * * * *** * * **** *** ****** *
* * * ** ** ** * if(a<=50)
** * * *** *** * * ** ******* ** * *** **
    else if(a<=60)
* *** * *** * *** * *** ** *** *** ** ** * * *
* ** * * **** *** * ****
*** * *** * * * ** * * ** * ** * * * * * * **
****** *** ** ***** *** * * ** * ** * * %.2f",b);
* *** * * ** * * ** ** * 0;
}
answered by (-255 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
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 * * ********* * * *

int main()
{
** ** * * ***** * * * ** a,b=10;
** * * *** *** * * * **** * * * ** ********* ** *

* ** *** *** ** * *** * * * ** **
*** ** ** ** * * * ***

* ***** ** * ** **** if(a<=50)
* ** ** * ** ** *** * **

** * ** ** **** ** * * if(a<=60)
** * ** * ** *** ****** ** **** ** * * ** * ****

** ** * * * ** *** * ** *
** * **** * * ****** *** *** * * *

* *** ** ** *** ** * ** * ** * %.2f",b);
return 0;
}
answered by (-127 points)
0 0
Case 0: Correct 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()
{
*** * * ** * * a,b=10;
* * ** * * ****** ** * **** * * ***

* ** ** ** * *** *** * * ** ****
* * ** **** * ***** ** * ***

* * ** *** ** ** * * if(a<=50)
** *** * ** *** * * * **** ** *

***** ** **** **** * * *** if(a<=60)
*** ** * ** * ** ** *** * * ** *** * ** * * * ** **

* * * ** * * * *** *
* ** *** * ****** ** * **** *

** **** **** ** * * * * *** * ** *
return 0;
}
answered by (-127 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>

int main(){

** * * * * ****** * ** *** a,b,c,d,e;

* * * * ** ** * * *** ** * ** * * * *** *
** * * * ** * * *** *******
**** * ********** *** * * * *
* * *** * * * * *** * * *
**** *** * ** * **** *****

** ** * * * ** * **** ** ****** **** * * * * ****
* * * * * *** **** *** * *** ******* ** ** *** ** %.2f",b);}

** ******* * ** * * ***** ** ** * * * **** **** && a>30){
* * * *** * * ** ****** ** * ** *** ** * * *** * ** **** %.2f",c);}

* *** * ** * ** ** *** **** ** ** * ** * * * ** && a>50){
* * * * * * * * **** *** *** ** * ** * *** * *** *** * * * *** * * * %.2f",d);}

**** * * * *** *** * ** * ***** * ** *** ** *
* ** * * ***** * * ** **** * * **** ** ** ** * %.2f",e);}










* **** *** *** *** * 0;



}
answered by (-301 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:108.162.241.32
©2016-2025

Related questions

3 like 0 dislike
87 answers
[Exercise] Coding (C) - asked Oct 12, 2017 in Chapter 3: Formatted Input/Output by thopd (12.1k points)
ID: 26463 - Available when: Unlimited - Due to: Unlimited
| 14.5k views
3 like 0 dislike
86 answers
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited
| 12.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users