1 like 0 dislike
14.4k 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 | 14.4k 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:172.70.130.14
©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
| 11.4k 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
| 10.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users