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PhonePe / Razorpay Fintech SDE Sheet
DP, Design & Math
12 problems
problem
Topic Progress0 / 12 solved
Problem List
Work through the problems in sequence to build topic mastery.
| Problem | Difficulty | Status | Optional | Action |
|---|---|---|---|---|
| Climbing Stairs | Medium | Unsolved | Required | |
| House Robber | Medium | Unsolved | Required | |
| Coin Change | Medium | Unsolved | Required | |
| Word Break | Medium | Unsolved | Required | |
| Partition Equal Subset Sum | Medium | Unsolved | Required | |
| Longest Increasing Subsequence | Medium | Unsolved | Required | |
| LRU Cache | Medium | Unsolved | Required | |
| Time Based Key-Value Store | Medium | Unsolved | Required | |
| Insert Delete GetRandom O(1) | Medium | Unsolved | Required | |
| Single Number | Medium | Unsolved | Required | |
| Happy Number | Medium | Unsolved | Required | |
| Sum Of Two Integers | Medium | Unsolved | Required |
Topic Snapshot
A compact summary of what this sheet section covers and how far you have progressed.
DP, Design & Math
Finish with practical DP, cache APIs, time-based lookups, and integer correctness.
fintech
phonepe
Completion
0%
Problems Remaining
12
Optional Problems
0
Complete the required items first, then use optional problems for extra depth.