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Patterns
Review
Mock
Python
← patterns
03
Sliding Window
when this fires
longest / shortest / best contiguous subarray or substring
Study
Guided
Wrestle
Solo
Easy
Medium
Hard
Unsolved only
✓
Best Time to Buy & Sell Stock
E
STUDY
✓
Longest Substring Without Repeating
M
STUDY
✓
Longest Repeating Character Replacement
M
10 MIN
✓
Permutation in String
M
30 MIN
✓
Minimum Window Substring
H
NO NET