1 like 0 dislike
19k 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 | 19k 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:172.70.80.20
©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
| 15.4k 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
| 13.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users