Tony's Log

摘要： O(n): Sliding window:class Solution {public: int minSubArrayLen(int s, vector& nums) { int len = nums.size(); if (len == 0) return... 阅读全文

摘要： Topological sorting. This is my DFS solution. Please note that I used _rec to avoid duplicate checking.class Solution {public: map rec; set _rec... 阅读全文

摘要： Implementation problem.class TrieNode {public: // Initialize your data structure here. TrieNode() { c = 0; bIsLast = false; } ... 阅读全文