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Sprint injects time/space complexity estimates, verified top-tier company tags, an AI debugger, and raw contest ELO metrics directly into your default LeetCode canvas.

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Time: O(n) Space: O(n)
twoSum.cpp
class Solution {
public:
  vector<int> twoSum(vector<int>& nums, int target) {
    unordered_map<int, int> numToIdx;
    for (int i = 0; i < nums.size(); ++i) {
      int currentNum = nums[i];
      int complement = target - currentNum;
Code Debugger
Syntax Bug Located

Variable `current` is undefined — did you mean `currentNum`?

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