LeetCode
Easy
Two Sum
A clean warm-up for hashing, trade-offs, and explaining an approach out loud.
#Arrays#Hash Map
Pick a proven interview problem, a contest calendar, or an Advent puzzle. Pairme turns it into a focused two-person session with the brief pinned right below the call.
The pairing loop
Choose → brief → call → solve.
No endless scrolling. Every card gives you a concrete thing to work on together.
The essential set
7 curated prompts
A clean warm-up for hashing, trade-offs, and explaining an approach out loud.
Practice stack reasoning and edge-case communication in a short shared session.
A great two-pointer problem for narrating window invariants and complexity.
Sort, scan, and make the interval boundaries explicit as a team.
Pair on graph traversal choices, mutation, and a crisp DFS/BFS explanation.
A classic collaboration problem: data-structure design, APIs, and invariants.
A satisfying whiteboard problem for comparing pre-computation and two-pointer reasoning.
Find the next official contest, assemble a tiny team, and keep the problem set in the call.
Pick a day from the archive and use the room as a low-pressure seasonal code jam.
Contest dates change often, so the Codeforces card always opens the live official calendar instead of showing stale dates here.