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Array

LeetCode 3439: Reschedule Meetings for Maximum Free Time (Sliding Window)
·3 mins
LeetCode Daily Medium Sliding Window Two Pointers Intervals Array
Sliding window over meetings; track total duration in a k-sized window and compute free span between boundaries.
LeetCode 209: Minimum Size Subarray Sum (Sliding Window)
·1 min
LeetCode Daily Medium Array Sliding Window Two Pointers Prefix Sum Binary-Search
Sliding window with two pointers; minimize subarray length where sum ≥ target.
LeetCode 1695: Maximum Erasure Value (Sliding Window)
·1 min
LeetCode Daily Medium Sliding Window Two Pointers Array Hashset
Sliding window with a set and running sum; two pointers to keep the subarray unique.
LeetCode 1658: Minimum Operations to Reduce X to Zero
·3 mins
LeetCode Daily Medium Sliding Window Array Reverse Thinking Prefix Sum
LeetCode Problem Solving - Reverse Thinking with Sliding Window
LeetCode 1052: Grumpy Bookstore Owner
·3 mins
LeetCode Daily Medium Sliding Window Array Optimization Fixed Window
LeetCode Problem Solving - Fixed Window with Customer Satisfaction Optimization
LeetCode 1004: Max Consecutive Ones III
·3 mins
LeetCode Daily Medium Sliding Window Array Two Pointers Binary Array
LeetCode Problem Solving - Variable Size Sliding Window with Zero Counting
LeetCode 1343: Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold
·3 mins
LeetCode Daily Medium Sliding Window Array Prefix Sum Average Calculation
LeetCode Problem Solving - Fixed Size Sliding Window with Sum Calculation
LeetCode 1550: Three Consecutive Odds
·1 min
LeetCode Array Easy
LeetCode Problem Solving