import java.util.List; /* * 递归遍历实现 * */ public class Solution { Character []record; List<String> resList=new ArrayList<String>(); public List<String> generateParenthesis(int n) { record=new Character[2*n]; getAll(0,n,n); return resList; } public void getAll(int k, int le...
Learn how to generate a string consisting of characters 'a' and 'b' that satisfy specific conditions. This tutorial provides step-by-step guidance and examples.