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原题链接在这里：https://leetcode.com/problems/combinations/ 题目： Given two integers n and k, return all possible combinations of k numbers out of 1 ... n. For
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posted @ 2015-09-27 10:40
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/subsets-ii/ 题目： Given a collection of integers that might contain duplicates, nums, return all possible subsets.
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posted @ 2015-09-27 10:02
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/subsets/ 题目： Given a set of distinct integers, nums, return all possible subsets (the power set). Note: The solu
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posted @ 2015-09-27 09:48
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/rotate-image/ 题目： You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockw
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posted @ 2015-09-27 09:09
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/spiral-matrix-ii/ 题目： Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral o
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posted @ 2015-09-26 04:12
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/spiral-matrix/ 题目： Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in sp
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posted @ 2015-09-26 03:00
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/first-bad-version/ 题目： You are a product manager and currently leading a team to develop a new product. Unfortun
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posted @ 2015-09-26 02:06
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/container-with-most-water/ 题目： Given n non-negative integers a1, a2, ..., an , where each represents a point at
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posted @ 2015-09-26 01:47
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/move-zeroes/ 题目： Given an array nums, write a function to move all 0's to the end of it while maintaining the re
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posted @ 2015-09-24 10:52
Dylan_Java_NYC
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原题链接在这里: https://leetcode.com/problems/jump-game-ii/ 题目： Given an array of non-negative integers, you are initially positioned at the first index of t
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posted @ 2015-09-24 03:52
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/jump-game/ 题目： Given an array of non-negative integers, you are initially positioned at the first index of the a
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posted @ 2015-09-24 02:52
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/gas-station/ 题目： There are N gas stations along a circular route, where the amount of gas at station i is gas[i]
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posted @ 2015-09-24 02:33
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/reverse-bits/ 题目： Reverse bits of a given 32 bits unsigned integer. Example 1: Example 2: Note: Note that in som
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posted @ 2015-09-23 23:32
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/number-of-1-bits/ 题目： Write a function that takes an unsigned integer and return the number of '1' bits it has (
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posted @ 2015-09-22 04:56
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/dungeon-game/ 题目： The demons had captured the princess (P) and imprisoned her in the bottom-right corner of a du
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posted @ 2015-09-22 02:15
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/edit-distance/ 题目： Given two words word1 and word2, find the minimum number of steps required to convert word1 t
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posted @ 2015-09-21 09:31
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/scramble-string/这道题参考了这篇帖子：http://blog.csdn.net/linhuanmars/article/details/24506703这其实是一道三维动态规划的题目，我们提出维护量res[i...
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posted @ 2015-09-21 08:44
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/generate-parentheses/ 题目： Given n pairs of parentheses, write a function to generate all combinations of well-fo
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posted @ 2015-09-21 07:15
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/reverse-words-in-a-string/ 题目： Given an input string, reverse the string word by word. For example,Given s = "th
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posted @ 2015-09-21 04:42
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/simplify-path/ 题目： Given an absolute path for a file (Unix-style), simplify it. For example,path = "/home/", =>
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posted @ 2015-09-21 04:11
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/implement-strstr/ 题目: Implement strStr(). Return the index of the first occurrence of needle in haystack, or -1
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posted @ 2015-09-20 05:19
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/zigzag-conversion/ 题目： The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like
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posted @ 2015-09-20 00:31
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/length-of-last-word/ 题目： Given a string s consists of upper/lower-case alphabets and empty space characters ' ',
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posted @ 2015-09-19 23:51
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/count-and-say/ 题目： The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211,
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posted @ 2015-09-18 11:32
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/longest-common-prefix/ 题目： Write a function to find the longest common prefix string amongst an array of strings
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posted @ 2015-09-18 10:28
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/compare-version-numbers/ 题目： Compare two version numbers version1 and version2.If version1 > version2 return 1,
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posted @ 2015-09-18 10:01
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/interleaving-string/ 题目： Given s1, s2, s3, find whether s3 is formed by the interleaving of s1 and s2. Example 1
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posted @ 2015-09-18 05:46
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/distinct-subsequences/ 题目： Given a string S and a string T, count the number of distinct subsequences of S which
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posted @ 2015-09-18 04:31
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/longest-valid-parentheses/ 题目： Given a string containing just the characters '(' and ')', find the length of the
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posted @ 2015-09-17 23:24
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximal-rectangle/ 题目： Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing o
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posted @ 2015-09-17 22:55
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/largest-rectangle-in-histogram/description/ 题目： Given n non-negative integers representing the histogram's bar h
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posted @ 2015-09-17 04:35
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv/ 题目： Say you have an array for which the ith element is the price of a given
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posted @ 2015-09-16 12:42
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/ 题目： Say you have an array for which the ith element is the price of a given
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posted @ 2015-09-16 12:29
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/ 题目： Say you have an array for which the ith element is the price of a given
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posted @ 2015-09-16 02:27
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/best-time-to-buy-and-sell-stock/ 题目： Say you have an array for which the ith element is the price of a given sto
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posted @ 2015-09-15 23:05
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximal-square/ 题目： Given a 2D binary matrix filled with 0's and 1's, find the largest square containing only 1'
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posted @ 2015-09-15 22:41
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximum-product-subarray/ 题目： Find the contiguous subarray within an array (containing at least one number) whic
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posted @ 2015-09-15 12:14
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/maximum-subarray/ 题目： Find the contiguous subarray within an array (containing at least one number) which has th
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posted @ 2015-09-15 11:48
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/decode-ways/ 题目： A message containing letters from A-Z is being encoded to numbers using the following mapping:
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posted @ 2015-09-15 07:37
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/minimum-path-sum/ 题目： Given a m x n grid filled with non-negative numbers, find a path from top left to bottom r
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posted @ 2015-09-15 06:55
Dylan_Java_NYC
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