Leetcode 2571. Minimum Operations to Reduce an Integer to 0

Given n, you may add or subtract any power of two per operation; find the minimum number of such operations to reach 0. The core challenge is choosing when to propagate carries (increment) versus decrementing to eliminate runs of 1s in n's binary representation, solvable by a greedy/DP strategy over the bits.

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Leetcode 2571. Minimum Operations to Reduce an Integer to 0

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