04 — Practice
GenCloak
Practice with intent. Ship with confidence.
Judge-backed DSA problem sets with real runtime and memory benchmarking. Not mock interviews — actual code execution, actual complexity tracking. Weekly contests, collaborative coding, premium AI debugging.
solve.tsAccepted
function twoSum(nums, target) {
const map = new Map()
for (let i = 0; i < nums.length; i++) {
const c = target - nums[i]
if (map.has(c)) return [map.get(c), i]
map.set(nums[i], i)
}
}
// Runtime O(n) Space O(n)Runtime 4ms
Memory 9.1MB
Beats 99.2%
Live ContestsCollab RoomsStudy PlansAI DebuggingCompany FiltersMock Interviews
Live Contests
Weekly rated contests with global leaderboard. ELO-style ranking.
Collab Rooms
Pair or team coding with shared editor and synchronized submit.
Study Plans
Structured paths: Blind 75, Graph Theory, DP, System Design.
AI Debugging
Premium: AI explains why your wrong answer is wrong — with counter-examples.
Company Filters
Premium: FAANG, unicorn, and niche-company question tags.
Mock Interviews
Premium: Timed simulation with structured review and feedback.
Premium
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