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Amazon

Overall Progress: 0/1311 questions solved

Array

0 / 324 solved

Dynamic Programming

0 / 118 solved

String

0 / 159 solved

Hash Table

0 / 132 solved

Sorting

0 / 85 solved

Math

0 / 90 solved

Greedy

0 / 51 solved

Tree

0 / 87 solved

Binary Search

0 / 50 solved

Matrix

0 / 52 solved

Depth First Search

0 / 116 solved

Database

0 / 54 solved

Graph

0 / 32 solved

Stack

0 / 59 solved

Breadth First Search

0 / 91 solved

Bit Manipulation

0 / 35 solved

Two Pointers

0 / 62 solved

Prefix Sum

0 / 16 solved

Heap (priority Queue)

0 / 37 solved

Linked List

0 / 43 solved

Sliding Window

0 / 26 solved

Binary Tree

0 / 80 solved

Backtracking

0 / 40 solved

Design

0 / 46 solved

Recursion

0 / 22 solved

Number Theory

0 / 5 solved

Binary Search Tree

0 / 21 solved

Union Find

0 / 24 solved

Queue

0 / 15 solved

Trie

0 / 15 solved

Divide And Conquer

0 / 17 solved

Ordered Set

0 / 10 solved

Monotonic Stack

0 / 17 solved

Segment Tree

0 / 10 solved

Bitmask

0 / 5 solved

Combinatorics

0 / 5 solved

Shortest Path

0 / 5 solved

Binary Indexed Tree

0 / 8 solved

Geometry

0 / 7 solved

Memoization

0 / 8 solved

Hash Function

0 / 8 solved

Game Theory

0 / 2 solved

String Matching

0 / 7 solved

Topological Sort

0 / 7 solved

Rolling Hash

0 / 3 solved

Interactive

0 / 4 solved

Doubly Linked List

0 / 5 solved

Data Stream

0 / 9 solved

Merge Sort

0 / 4 solved

Monotonic Queue

0 / 2 solved

Brainteaser

0 / 1 solved

Randomized

0 / 3 solved

Iterator

0 / 5 solved

Concurrency

0 / 2 solved

Counting Sort

0 / 1 solved

Suffix Array

0 / 1 solved

Quickselect

0 / 4 solved

Bucket Sort

0 / 4 solved

Minimum Spanning Tree

0 / 2 solved

Reservoir Sampling

0 / 1 solved

Line Sweep

0 / 1 solved

Shell

0 / 1 solved

Eulerian Circuit

0 / 1 solved

Strongly Connected Component

0 / 1 solved

Radix Sort

0 / 1 solved

Biconnected Component

0 / 1 solved