1 like 0 dislike
17.7k 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 | 17.7k 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:172.70.127.115
©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
| 14.3k 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
| 12.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users