chapter 1: Array

• Array - Easy
  • 1.Two Sum
  • 27.Remove Element
  • 35.Search Insert Position
  • 53.Maximum Subarray
  • 66.Plus One
  • 88. Merge Sorted Array
  • 88.2 Merge Sorted Array 2
  • 118. Pascal's Triangle
  • 118.2 Pascal's Triangle
  • 118.3 Pascal's Triangle 3
  • 119. Pascal's Triangle 2
  • 121. Best Time to Buy and Sell Stock
  • 122. Best Time to Buy and Sell Stock 2
  • 167. Two Sum 2
  • 169. Majority Element
  • 189. Rotate Array
  • 217. Contains Duplicate
  • 219. Contains Duplicate 2
  • 268. Missing Number
  • 283. Move Zeroes
  • 414. Third Maximum Number
  • 448. Find All Numbers Disappeared in Array
  • 485. Max Consecutive Ones
  • 532. K-diff Pairs in an Array
  • 561. Array Partition 1
  • 566. Reshape the Matrix
  • 581. Shortest Unsorted Continuous Subarray
• Array - Easy 2
  • 31. Next Permutation
  • 41. First Missing Positive
  • 54. Spiral Matrix
  • 56. Merge Intervals
  • 57. Insert Intervals
  • 59. Spiral Matrix 2
  • 73. Set Matrix Zeroes
• Array - Medium
• Array - Hard