Leetcode 219 Contains Duplicate II
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class Solution: # @param {integer[]} nums # @param {integer} k # @return {boolean} def containsNearbyDuplicate(self, nums, k): dictNums = {} for i in range(len(nums)): index = dictNums.get(nums[i]) if (index >= 0 and i-index <= k): return True dictNums[nums[i]] = i return False
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