1 like 0 dislike
12.9k 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 | 12.9k 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:172.69.17.117
©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
| 10.3k 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
| 9.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users