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Problems
#
Name
628D
Magic Numbers
dp
2200
x5407
559C
Gerald and Giant Chess
combinatorics
,
dp
,
math
,
number theory
2200
x6161
165E
Compatible Numbers
bitmasks
,
brute force
,
dfs and similar
,
dp
2200
x6213
570D
Tree Requests
binary search
,
bitmasks
,
constructive algorithms
,
dfs and similar
,
graphs
,
trees
2200
x6698
617E
XOR and Favorite Number
data structures
2200
x7861
52C
Circular RMQ
data structures
2200
x8205
86D
Powerful array
data structures
,
implementation
,
math
,
two pointers
2200
x12578
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Codeforces Round 946 (Div. 3)
45:31:52
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combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
constructive algorithms
data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
fft
flows
games
geometry
graph matchings
graphs
greedy
hashing
implementation
interactive
math
matrices
meet-in-the-middle
number theory
probabilities
schedules
shortest paths
sortings
string suffix structures
strings
ternary search
trees
two pointers
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