1 like 0 dislike
17.9k 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 | 17.9k 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:172.69.130.70
©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
| 14.4k 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
| 12.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users