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math (64)	sos-dp (5)	permutation-group (2)	mono-stack (1)
dp (53)	fft (5)	parallel search (2)	mono-queue (1)
data structures (50)	expectations (5)	MST (2)	meet-in-the-middle (1)
others (32)	dsu (5)	li-chao tree (2)	matroid (1)
trees (19)	mobius (4)	lca (2)	link-cut tree (1)
graphs (18)	Mo's algorithm (4)	inclusion-exclusion principle (2)	linear tree (1)
greedy (17)	matrices (4)	hashing (2)	i.e. (1)
constructive algorithms (16)	divide and conquer (4)	graph matchings (2)	heuristic algorithms (1)
combinatorics (15)	slopes (3)	geometry (2)	heavy-light decomposition (1)
ds100p (11)	interactive (3)	fenwick-tree (2)	games (1)
lazy-tag tree (10)	implementation (3)	bfs (2)	dfs and similar (1)
flows (9)	brute force (3)	sweepline mo (1)	dfs (1)
number theory (8)	balanced trees (3)	sqrt decomposition (1)	convexes (1)
generating functions (7)	tree-chain-splitting (2)	shortest paths (1)	chinese remainder theorem (1)
blocks (7)	strings (2)	probabilities (1)	CDQ (1)
bitmasks (7)	stirling numbers (2)	ntt (1)
binary search (7)	SAM (2)	multi-dimensional prefix-sum (1)
tricks (6)	poly (2)	monotonicity (1)

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