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Before contest
Codeforces Round 942 (Div. 1)
03:53:49
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Before contest
Codeforces Round 942 (Div. 2)
03:53:51
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Difficulty:
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dp
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
15E
Triangles
combinatorics
,
dp
2600
x556
14E
Camels
dp
1900
x1616
14D
Two Paths
dfs and similar
,
dp
,
graphs
,
shortest paths
,
trees
,
two pointers
1900
x4297
13D
Triangles
dp
,
geometry
2600
x593
13C
Sequence
dp
,
sortings
2200
x4098
11E
Forward, march!
binary search
,
dp
,
greedy
2800
x335
11D
A Simple Task
bitmasks
,
dp
,
graphs
2200
x4427
10D
LCIS
dp
2800
x4032
10B
Cinema Cashier
dp
,
implementation
1500
x1714
9D
How many trees?
combinatorics
,
divide and conquer
,
dp
1900
x3661
8E
Beads
dp
,
graphs
2600
x666
8C
Looking for Order
bitmasks
,
dp
2000
x3245
7E
Defining Macros
dp
,
expression parsing
,
implementation
2600
x687
6D
Lizards and Basements 2
brute force
,
dp
2600
x1807
5C
Longest Regular Bracket Sequence
constructive algorithms
,
data structures
,
dp
,
greedy
,
sortings
,
strings
1900
x12640
4D
Mysterious Present
dp
,
sortings
1700
x9667
2B
The least round way
dp
,
math
2000
x10209
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