Week 05 - Binary Search + Stack (Guide)

Reference extracted from the detailed guide.

Binary Search Mastery (from Week 4 guide)

Day 7: Binary Search Mastery

Watch First:

• NeetCode: Binary Search patterns → https://www.youtube.com/watch?v=W9QJ8HaRvJQ

Template: Binary Search on Answer

def minEatingSpeed(piles, h):
    def canFinish(k):
        return sum((p + k - 1) // k for p in piles) <= h
    
    left, right = 1, max(piles)
    while left < right:
        mid = (left + right) // 2
        if canFinish(mid):
            right = mid
        else:
            left = mid + 1
    return left

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Stack & Monotonic Stack