1 like 0 dislike
14.2k 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 | 14.2k 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:172.70.127.103
©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
| 11.3k 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
| 10.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users