grindmapcompany-wise LeetCode
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Rakuten LeetCode Questions

7 questions all-time · 1 easy · 5 medium · 1 hard
# Problem Difficulty Frequency Acceptance
1Combination Sum II
Array, Backtracking
Medium
100
0.6%
2LRU Cache
Hash Table, Linked List, Design, Doubly-Linked List
Medium
88
0.5%
3Rotate Image
Array, Math, Matrix
Medium
88
0.8%
4String Compression
Two Pointers, String
Medium
88
0.6%
5Rotting Oranges
Array, Breadth-First Search, Matrix
Medium
88
0.6%
6Climbing Stairs
Math, Dynamic Programming, Memoization
Easy
88
0.5%
7Trapping Rain Water
Array, Two Pointers, Dynamic Programming, Stack, Monotonic Stack
Hard
88
0.7%

How to read this list

The tabs at the top split the questions by how recently people said they were asked in interviews. "Last 30 Days" is the past month, "Last 3 Months" is the past quarter, and so on. "All Time" is every question on record for this company.

Frequency is a score from 0 to 100 for how often a question showed up in that time window. A higher number means it came up more often, so the list starts with the most common questions first. Acceptance is the share of submissions that pass on LeetCode. Click any question to open it on LeetCode.