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Citadel
Problems
Citadel
Overall Progress: 0/109 questions solved
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Array
0 / 64 solved
Dynamic Programming
0 / 32 solved
String
0 / 26 solved
Hash Table
0 / 24 solved
Sorting
0 / 13 solved
Math
0 / 17 solved
Greedy
0 / 7 solved
Tree
0 / 7 solved
Binary Search
0 / 10 solved
Matrix
0 / 12 solved
Depth First Search
0 / 15 solved
Graph
0 / 11 solved
Stack
0 / 6 solved
Breadth First Search
0 / 20 solved
Bit Manipulation
0 / 3 solved
Two Pointers
0 / 9 solved
Prefix Sum
0 / 3 solved
Heap (priority Queue)
0 / 8 solved
Linked List
0 / 7 solved
Sliding Window
0 / 4 solved
Binary Tree
0 / 7 solved
Backtracking
0 / 11 solved
Design
0 / 13 solved
Recursion
0 / 4 solved
Binary Search Tree
0 / 1 solved
Union Find
0 / 4 solved
Queue
0 / 4 solved
Trie
0 / 4 solved
Divide And Conquer
0 / 5 solved
Ordered Set
0 / 1 solved
Segment Tree
0 / 2 solved
Monotonic Stack
0 / 1 solved
Combinatorics
0 / 1 solved
Shortest Path
0 / 1 solved
Binary Indexed Tree
0 / 2 solved
Geometry
0 / 1 solved
Memoization
0 / 2 solved
Hash Function
0 / 1 solved
Topological Sort
0 / 9 solved
Rolling Hash
0 / 1 solved
Doubly Linked List
0 / 2 solved
Interactive
0 / 1 solved
Data Stream
0 / 4 solved
Merge Sort
0 / 1 solved
Monotonic Queue
0 / 1 solved
Randomized
0 / 3 solved
Line Sweep
0 / 1 solved
