leetcode 1. Two Sum

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

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