題目

https://leetcode-cn.com/problems/student-attendance-record-i/

題解

public class Solution {public boolean checkRecord(String s) {char[] chars = s.toCharArray();int countA = 0;int continuousL = 0;boolean preIsL = false;for (int i = 0; i < chars.length; i++) {if (chars[i] == 'A') {preIsL = false;countA++;if (countA > 1) return false;} else if (chars[i] == 'L') {if (preIsL) {continuousL++;if (continuousL > 2) return false;} else {continuousL = 1;}preIsL = true;} else {preIsL = false;}}return true;} }

總結

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