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Live Mock Interview
12:45
1function twoSum(nums, target) {
2const map = new Map();
3for (let i = 0; i < nums.length; i++) {
4const complement = target - nums[i];
5if (map.has(complement)) {
6return [map.get(complement), i];
7}
8map.set(nums[i], i);
9}
10}
You
Sarah (AI)

"Great approach. Using a Hash Map drops the time complexity to O(n). Can you explain the space complexity?"

Complexity

O(N) Time / O(N) Space

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✓ Test Case 1 Passed (2ms)
✓ Test Case 2 Passed (1ms)
✓ Test Case 3 Passed (3ms)
> Execution Successful.
> Memory: 42.1 MB (Beats 89%)

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