LeetCode_Learn如何高效改写为长尾词？

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javapublic int[] twoSum(int[] nums, int target) { HashMap map=new HashMap(); int[] a=new int[2]; for (int i=0; i

Two_sum

public int[] solution1(int[] nums,int target){ HashMap map = new HashMap (); int[] a = new int[2]; for (int i = 0; i < nums.length; i++) { int solution = target - nums[i]; if(map.containsKey(solution) && map.get(solution)!=i){ a[0] = i; a[1] = map.get(solution); } map.put(nums[i], i); } return a; }