Preporium turns a scattered LeetCode grind into a structured, trackable prep workflow with daily sets, live progress, and a cleaner path from fundamentals to senior-level problems.
Today’s stack
Kth Smallest Element in a BST
Binary Tree Maximum Path Sum
K Closest Points to Origin
Completion
38%
Revisit
11
This week
23
Move from arrays and hashing to advanced DP, graphs, and senior-level mixed review without guessing what to practice next — at the pace you choose.
See solved count, revisit backlog, and current momentum at a glance so the prep plan stays honest.
Browse the whole library by day, topic, difficulty, and status, then jump straight to LeetCode in one click.