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Before contest
Codeforces Round 946 (Div. 3)
3 days
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Difficulty:
—
greedy
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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Problems
#
Name
160A
Twins
greedy
,
sortings
900
x111227
58A
Chat room
greedy
,
strings
1000
x122631
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x199124
50A
Domino piling
greedy
,
math
800
x229692
231A
Team
brute force
,
greedy
800
x300704
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