1 like 0 dislike
13.7k 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 | 13.7k 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:172.70.100.99
©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
| 11k 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
| 9.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users