My Accepted Java Solution

  • 0

    Here is my accepted java solution:

    public int[] twoSum(int[] nums, int target) {
        for(int i=0; i<nums.length; i++){
            for(int j=i+1; j<nums.length; j++){
                 if(nums[i]+nums[j] == target){
                      return new int[]{i, j};
        return null;

    Any suggestion to convert to O(n)?


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