JAVA_Contains Duplicate_LeetCode 217

JAVA_Contains Duplicate_LeetCode 217 풀이 class Solution { public boolean containsDuplicate(int[] nums) { HashSet map = new HashSet(); for (int idx = 0; idx < nums.length; idx ++){ if(map.contains(nums[idx])){ return true; } map.add(nums[idx]); } return false; } } * 출처 Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com...