Day2-Array2.md

Key Words in Foundation

Two Pointers(slow fast pointer), sliding window, simulation

Problem List

977. Squares of a Sorted Array

• https://leetcode.com/problems/squares-of-a-sorted-array/description/
• left right pointer, fill in from the end.

209. Minimum Size Subarray Sum

• https://leetcode.com/problems/minimum-size-subarray-sum/description/
• sliding window

59. Spiral Matrix II

• https://leetcode.com/problems/spiral-matrix-ii/description/
• Simulation: 1.control loop range < n / 2; 2.fill in center val if n is odd.

Resources

• Sliding Window https://www.geeksforgeeks.org/window-sliding-technique/