牛客网：NC142 最长重复子串

package com.company.test.最长重复子串;
 
/**
 * @author xienl
 * @description 最长重复子串
 * @date 2022/9/13
 */
 
public class Solution {
    public static void main(String[] args) {
        Solution solution = new Solution();
 
    }
 
    public int solve (String a) {
        // write code here
        int maxLen = 0;
        for (int i = 0; i < a.length(); i++){
            for (int j = i; j < a.length(); j += 2){
                if (judge(a.substring(i , j))){
                    maxLen = Math.max(maxLen, j - i);
                }
            }
        }
        return maxLen;
    }
 
    private boolean judge(String s ){
        if (s.length() % 2 == 1){
            return false;
        }
        return s.substring(0, s.length() / 2).equals(s.substring(s.length() / 2));
    }
 
    public int solve2 (String a) {
 
    }
}