原创 LeetCode-通配符模式串匹配
題目： '?' Matches any single character. '*' Matches any sequence of characters (including the empty sequence). The mat
2020-02-23 20:31:08
原创 Leetcode-413. Arithmetic Slices
A sequence of number is called arithmetic if it consists of at least three elements and if the difference between an
2020-02-23 20:31:08
原创 leetcode-357. Count Numbers with Unique Digits
Given a non-negative integer n, count all numbers with unique digits, x, w
2020-02-23 20:31:08
原创 leetcode-377. Combination Sum IV
Given an integer array with all positive numbers and no duplicates, find the number of possible combinations that add
2020-02-23 20:31:08
原创 eBay校園招聘編程題-淘氣的小明
題目： 代碼： #include <stdlib.h> #include <stdio.h> #include <algorithm> #include<iostream> #include<hash_set> #include<ha
2020-02-23 20:31:08
原创 開心的小明-動態規劃算法
開心的小明 時間限制：1000 ms | 內存限制：65535 KB 難度：4 描述小明今天很開心，家裏購置的新房就要領鑰匙了，新房裏有一間他自己專用的很寬敞的房間。更讓他高興的是，媽媽昨天對他說：“你的房間需要購買哪
2018-08-22 06:12:52
5
原创 Leetcode-95.Unique Binary Search Trees II(a representative recursion problem)
題目： Given an integer n, generate all structurally unique BST's (binary search trees) that store values 1...n. For ex
2018-08-22 06:12:51
原创 464. Can I Win(something needed to be solved!)
寫博客之前還是貼一下廣州的天氣： 生活在廣州的同學們傻傻分不清楚是冬天還是夏天。。。。。。 下面我們進入正題： 題目： In the "100 game," two players take turns adding, to a r
2018-08-22 06:12:51
原创 Leetcode-139. Word Break
題目： Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine if s can be
2018-08-22 06:12:51
原创 Leetcode-53. Maximum Subarray
題目： Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For exa
2018-08-22 06:12:51
原创 Leetcode-62. Unique Paths and 63. Unique Paths II
Leetcode-62. Unique Paths 題目： A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagra
2018-08-22 06:12:50
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原创 Leetcode-96.Unique Binary Search Trees
題目： Given n, how many structurally unique BST's (binary search trees) that store values 1...n? For example, Given n
2018-08-22 06:12:50
2
原创 Leetcode-403.Frog Jump(青蛙跳石頭)
今天的題目是：Leetcode 403-青蛙跳 A frog is crossing a river. The river is divided into x units and at each unit there may or m
2018-08-22 06:12:50
原创 Leetcode-70. Climbing Stairs
好久沒有刷題了，感覺手都生了。今天來道簡單點的題目——爬樓梯； 題目如下： You are climbing a stair case. It takes n steps to reach to the top. Each time
2018-08-22 06:12:49
原创 Leetcode-32. Longest Valid Parentheses
題目： Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed
2018-08-22 06:12:49
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