题目 Given a collection of intervals, find the minimum number of intervals you need to re...
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LeetCode 435 Non-overlapping Intervals
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LeetCode 455 Assign Cookies
题目 Assume you are an awesome parent and want to give your children some cookies. But, y...
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LeetCode 300 Longest Increasing Subsequence
题目 Given an unsorted array of integers, find the length of longest increasing subsequen...
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LeetCode 198 House Robber
题目 You are a professional robber planning to rob houses along a street. Each house has ...
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LeetCode 70 Climbing Stairs
题目 You are climbing a stair case. It takes n steps to reach to the top. Each time you c...
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LeetCode 200 Number of Islands
题目 Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An...
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LeetCode 51 N-Queens
题目 The n-queens puzzle is the problem of placing n queens on an n×n chessboard such tha...
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LeetCode 79 Word Search
题目 Given a 2D board and a word, find if the word exists in the grid. The word can be co...
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LeetCode 77 Combinations
题目 Given two integers n and k, return all possible combinations of k numbers out of 1 ....