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:172.70.194.138
©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