1 like 0 dislike
17.8k 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

 

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

edited by | 17.8k 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:172.69.59.97
©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
| 14.4k 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
| 12.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users