1 like 0 dislike
18k 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 | 18k 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:172.70.126.9
©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
| 14.5k 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
| 12.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users