-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathBackspaceStringCompare.java
More file actions
60 lines (48 loc) · 1.35 KB
/
BackspaceStringCompare.java
File metadata and controls
60 lines (48 loc) · 1.35 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
package Leetcode;
import java.util.Scanner;
import java.util.Stack;
public class BackspaceStringCompare
{
public static void main( String[] args )
{
Scanner s = new Scanner( System.in );
boolean backspaceCompare = backspaceCompare( s.next(), s.next() );
System.out.println( backspaceCompare );
}
public static boolean backspaceCompare( String S, String T )
{
Stack<Character> sStack = new Stack<>();
Stack<Character> tStack = new Stack<>();
for( int i = 0; i < S.length(); i++ )
{
char c = S.charAt( i );
if( S.charAt( i ) != '#')
sStack.push( c );
else if(sStack.size()==0)
continue;
else
sStack.pop();
}
for( int i = 0; i < T.length(); i++ )
{
char c = T.charAt( i );
if( T.charAt( i ) != '#' )
tStack.push( c );
else if(tStack.size()==0)
continue;
else
tStack.pop();
}
if( sStack.size() == tStack.size() )
{
while( sStack.size() > 0 )
{
if( sStack.pop() != tStack.pop() )
return false;
}
}
else
return false;
return true;
}
}