1. Two Sum

EasyArrayBrute ForceTimeO(n²)SpaceO(1)
target: 10
30
51
22
83
64
i
j
nums[0] + nums[1] = ?
i moves to 0outer loop
Frame 1 / 20
1class Solution:
2    def twoSum(self, nums, target):
3        for i in range(len(nums)):
4            for j in range(i + 1, len(nums)):
5                if nums[i] + nums[j] == target:
6                    return [i, j]