Class Solution
- java.lang.Object
-
- g2001_2100.s2027_minimum_moves_to_convert_string.Solution
-
public class Solution extends Object
2027 - Minimum Moves to Convert String.Easy
You are given a string
s
consisting ofn
characters which are either'X'
or'O'
.A move is defined as selecting three consecutive characters of
s
and converting them to'O'
. Note that if a move is applied to the character'O'
, it will stay the same.Return the minimum number of moves required so that all the characters of
s
are converted to'O'
.Example 1:
Input: s = “XXX”
Output: 1
Explanation: XXX -> OOO We select all the 3 characters and convert them in one move.
Example 2:
Input: s = “XXOX”
Output: 2
Explanation: XXOX -> OOOX -> OOOO
We select the first 3 characters in the first move, and convert them to
'O'
.Then we select the last 3 characters and convert them so that the final string contains all
'O'
s.Example 3:
Input: s = “OOOO”
Output: 0
Explanation: There are no
'X's
ins
to convert.Constraints:
3 <= s.length <= 1000
s[i]
is either'X'
or'O'
.
-
-
Constructor Summary
Constructors Constructor Description Solution()
-
-
-
Method Detail
-
minimumMoves
public int minimumMoves(String s)
-
-