• LeetLintcode
  • Introduction
  • 1. Easy
    • 1.1. Unique Word Abbreviation
    • 1.2. Paint Fence
    • 1.3. Closest BST value
    • 1.4. Lowest Common Ancestor of a Binary Search Tree
    • 1.5. Reverse Linked List
    • 1.6. Roman to Integer
    • 1.7. Ugly Number
    • 1.8. Happy Number
    • 1.9. Merge Two Sorted List
    • 1.10. Balanced Binary Tree
    • 1.11. Symmetric Tree
    • 1.12. Plus One
    • 1.13. Pascal Triangle I/II
    • 1.14. Intersection of Two Linked Lists
    • 1.15. Rectangle Area
    • 1.16. Valid Sudoku
    • 1.17. Isomorphic Strings
    • 1.18. Remove Duplicates from Sorted List
    • 1.19. Word Pattern
    • 1.20. Bulls and Cows
    • 1.21. Zigzag Conversion
  • 2. Medium
    • 2.1. shortest-word-distance-ii
    • 2.2. Binary Tree Upside Down
    • 2.3. Verify Preorder Sequence in Binary Search Tree
    • 2.4. Count Univalue Subtrees
    • 2.5. Serialize and Deserialize Binary Tree
    • 2.6. successor and predecessor in BST
    • 2.7. Binary Tree Longest Consecutive Sequence
    • 2.8. Walls And Gates
    • 2.9. Binary Tree Vertical Order Traversal
    • 2.10. Missing Ranges
    • 2.11. Graph Valid Tree
    • 2.12. Search Insert Position
    • 2.13. Integer To Roman Numeral
    • 2.14. Generate Parentheses
    • 2.15. Best Time to Buy and Sell Stock with Cooldown
    • 2.16. Generalized Abbreviation
    • 2.17. Kth Smallest Element in a BST
    • 2.18. Swap Nodes in Pairs
    • 2.19. Container With Most Water
    • 2.20. LongestIncreasingSubSequence
    • 2.21. Binary Search Tree Iterator
    • 2.22. Maximum Size Subarray Sum Equals k
    • 2.23. Peeking Iterator
    • 2.24. H-index
    • 2.25. Power of Three
    • 2.26. remove duplicates from sorted array ii
    • 2.27. Different Ways to Add Parentheses
    • 2.28. Linked List Cycle II
    • 2.29. Perfect Squares
    • 2.30. Bitwise AND of Numbers Range
    • 2.31. Convert Sorted List to Binary Search Tree
  • 3. Hard
    • 3.1. Best Meeting Point
  • 4. Nine Chap Senior
    • 4.1. Unit 4 Two Pointers
    • 4.2. Unit 5 Dynamic Programming
  • 5. Misc
    • 5.1. Leetcode好答案
    • 5.2. ACM资料
    • 5.3. 面试题目总结 转载
    • 5.4. Leetcode Summary
  • 6. 背包九讲读书笔记
    • 6.1. backpack9
  • 7. ACM日本书
    • 7.1. Medium
      • 7.1.1. Binary Search不仅是查找
  • 8. TestSyntax
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LeetLintcode

ACM资料

POJ

  • 北邮 50题必知必会

HDU

  • HDU动态规划方程