Still Tracking Problems in
Messy Excel Spreadsheets?
Chaotic columns, broken formulas, and zero pattern retention. You solve 200 questions, only to forget the approach 2 weeks later.
| Problem Name | Topic | Status | Revision | Notes |
|---|---|---|---|---|
| Two Sum | Arrays | Done (3 mo ago) | 2024-03-12 | Forgot optimal hashmap... |
| Trapping Rain Water | Two Pointers | CANNOT RECALL | -- | Blank out in mock interview! |
| Course Schedule II | Graphs | Pending | -- | Topological sort cycle? |
| Edit Distance | DP | LOST APPROACH | -- | Matrix tabulation error |
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public int[] twoSum(int[] nums, int t) {
Map<Integer,Integer> map = new HashMap<>();
// O(N) single-pass lookup...
}
}
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