grindmapcompany-wise LeetCode
All companies

Moloco LeetCode Questions

15 questions all-time · 0 easy · 11 medium · 4 hard
# Problem Difficulty Frequency Acceptance
1Design a Stack With Increment Operation
Array, Stack, Design
Medium
100
0.8%
2Longest String Chain
Array, Hash Table, Two Pointers, String, Dynamic Programming, Sorting
Medium
100
0.6%
3Number of Islands
Array, Depth-First Search, Breadth-First Search, Union-Find, Matrix
Medium
100
0.6%
4LRU Cache
Hash Table, Linked List, Design, Doubly-Linked List
Medium
92
0.5%
5Trapping Rain Water
Array, Two Pointers, Dynamic Programming, Stack, Monotonic Stack
Hard
81
0.7%
6Single Element in a Sorted Array
Array, Binary Search
Medium
81
0.6%
7Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
Array, Queue, Sliding Window, Heap (Priority Queue), Ordered Set, Monotonic Queue
Medium
81
0.6%
8Making A Large Island
Array, Depth-First Search, Breadth-First Search, Union-Find, Matrix
Hard
81
0.6%
9Surrounded Regions
Array, Depth-First Search, Breadth-First Search, Union-Find, Matrix
Medium
81
0.5%
10Check if a Parentheses String Can Be Valid
String, Stack, Greedy
Medium
81
0.5%
11Course Schedule II
Depth-First Search, Breadth-First Search, Graph Theory, Topological Sort
Medium
81
0.6%
12Decode String
String, Stack, Recursion
Medium
81
0.6%
13Minimum Window Substring
Hash Table, String, Sliding Window
Hard
81
0.5%
14Number of Islands II
Array, Hash Table, Union-Find
Hard
81
0.4%
15Rotting Oranges
Array, Breadth-First Search, Matrix
Medium
81
0.6%

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.