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Grokking the Coding Interview Patterns in C++

Solution: Can Place Flowers

Explore how to apply a greedy technique to solve the Can Place Flowers problem by planting flowers at earliest valid spots without violating adjacency rules. Understand the step-by-step logic and gain skills to implement this O(n) time and O(1) space complexity solution.

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Statement

Given an integer list flowerbed, each element is either 00 (indicating an empty plot) or 11 (indicating a planted plot), and an integer n. Determine if n new flowers can be planted without violating the rule that no two flowers can be planted in adjacent plots. Return TRUE if it’s possible to plant all n flowers. Otherwise, return FALSE.

Constraints:

  • 1≤1\leq flowerbed.length ≤103\leq10^3 ...