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Before contest
Codeforces Round 946 (Div. 3)
00:25:39
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Difficulty:
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binary search
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
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matrices
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sortings
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ternary search
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Problems
#
Name
51C
Three Base Stations
binary search
,
greedy
1800
x1816
50D
Bombing
binary search
,
dp
,
probabilities
2100
x596
30E
Tricky and Clever Password
binary search
,
constructive algorithms
,
data structures
,
greedy
,
hashing
,
strings
2800
x674
28D
Don't fear, DravDe is kind
binary search
,
data structures
,
dp
,
hashing
2400
x589
24E
Berland collider
binary search
2300
x859
21C
Stripe 2
binary search
,
dp
,
sortings
2000
x2023
16C
Monitor
binary search
,
number theory
1800
x4522
11E
Forward, march!
binary search
,
dp
,
greedy
2800
x346
8D
Two Friends
binary search
,
geometry
2600
x511
6E
Exposition
binary search
,
data structures
,
dsu
,
trees
,
two pointers
1900
x3008
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