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:172.69.58.5
©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