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:172.69.130.81
©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