1 like 0 dislike
17.7k 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

 

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

edited by | 17.7k 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:172.70.80.171
©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
| 14.2k 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
| 12.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users