1 like 0 dislike
15.3k 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 | 15.3k 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:172.70.130.38
©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
| 12.2k 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
| 11k views
12,783 questions
183,442 answers
172,219 comments
4,824 users