Master Wiggle Sort II (LeetCode 324): Virtual Indexing & 3-Way Partition | Day 6 of 180
2. Pattern Recognition: Why Dutch National Flag Again? In Day 5, we solved Sort Colors by partitioning 0, 1, 2 around fixed values. In Wiggle Sort II: If we find the median element of the array: This is precisely the Dutch National Flag (3-Way Partition) pattern! The only challenge is placing elements into odd/even slots … Read more