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→ Pay attention
Contest is running
Codeforces Round 942 (Div. 1)
01:33:11
Contest is running
Codeforces Round 942 (Div. 2)
01:33:11
→ Filter Problems
Difficulty:
—
implementation
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
780H
Intranet of Buses
binary search
,
geometry
,
implementation
,
two pointers
3100
x116
113E
Sleeping
combinatorics
,
implementation
,
math
2700
x116
98B
Help King
implementation
,
probabilities
,
trees
2200
x114
1297F
Movie Fan
*special problem
,
data structures
,
greedy
,
implementation
,
sortings
x113
1044E
Grid Sort
implementation
3100
x112
336E
Vasily the Bear and Painting Square
bitmasks
,
combinatorics
,
dp
,
implementation
2700
x109
100G
Name the album
*special problem
,
data structures
,
implementation
1800
x109
1090G
Combostone
games
,
implementation
2500
x103
1718E
Impressionism
constructive algorithms
,
graphs
,
implementation
,
math
3500
x102
1667F
Yin Yang
implementation
3500
x91
1746G
Olympiad Training
binary search
,
data structures
,
dp
,
flows
,
geometry
,
implementation
,
sortings
3500
x88
65E
Harry Potter and Moving Staircases
dfs and similar
,
implementation
2900
x84
1726H
Mainak and the Bleeding Polygon
binary search
,
geometry
,
implementation
,
math
3500
x80
72B
INI-file
*special problem
,
implementation
2200
x75
100H
Battleship
*special problem
,
dfs and similar
,
implementation
2100
x74
1868F
LIS?
data structures
,
greedy
,
implementation
3500
x69
175F
Gnomes of Might and Magic
data structures
,
graphs
,
implementation
,
shortest paths
3000
x64
720E
Cipher
implementation
3100
x62
1403C
Chess Rush
*special problem
,
combinatorics
,
dp
,
implementation
,
math
3200
x42
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