1 like 0 dislike
13.7k 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 | 13.7k 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:172.70.179.141
©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
| 11k 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
| 9.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users