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27 lines (21 loc) · 772 Bytes
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package string;
import java.util.ArrayList;
import java.util.List;
/*
You are playing the following Flip Game with your friend: Given a string that contains only these two characters: + and -, you and your friend take turns to flip two consecutive "++" into "--". The game ends when a person can no longer make a move and therefore the other person will be the winner.
Write a function to compute all possible states of the string after one valid move.
For example, given s = "++++", after one move, it may become one of the following states:
[
"--++",
"+--+",
"++--"
]
If there is no valid move, return an empty list [].
* */
public class FlipGame
{
public List<String> generatePossibleNextMoves( String s )
{
return new ArrayList<>();
}
}