sure0328

摘要： Given an unsorted array of integers, find the length of longest increasing subsequence. For example,Given [10, 9, 2, 5, 3, 7, 101, 18],The longest inc 阅读全文

摘要： leetcode 279. Perfect Squares Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) which sum to 阅读全文

摘要： leetcode 264. Ugly Number II Write a program to find the n-th ugly number. Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. 阅读全文

摘要： leetcode 152. Maximum Product Subarray Find the contiguous subarray within an array (containing at least one number) which has the largest product. Fo 阅读全文

摘要： leetcode 120. Triangle Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below. Fo 阅读全文

摘要： leetcode 304. Range Sum Query 2D - Immutable Given a 2D matrix matrix, find the sum of the elements inside the rectangle defined by its upper left cor 阅读全文

摘要： leetcode 303. Range Sum Query - Immutable Given an integer array nums, find the sum of the elements between indices i and j (i ≤ j), inclusive. Exampl 阅读全文

摘要： leetcode 91. Decode Ways A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message conta 阅读全文

摘要： leetcode 213. House Robber II Note: This is an extension of House Robber. After robbing those houses on that street, the thief has found himself a new 阅读全文

摘要： leetcode 198. House Robber You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the 阅读全文