1 like 0 dislike
17.3k 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 | 17.3k 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:172.69.58.74
©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
| 13.8k 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
| 12.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users