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:172.69.17.196
©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