题目描述：
Given an array of integers and an integer k, return true if and only if there are two distinct indices i and j in the array such that nums[i] = nums[j] and the difference between i and j ...
档案日期2015的21
2015年5月25日 - 2015年5月31日
[LeetCode]Contains Duplicate II
[LeetCode]Contains Duplicate
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LeetCode.
题目描述：
Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct.
题目大意：
给定一个整数数组 ...