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#
Name
1439E
Cheat and Win
bitmasks
,
data structures
,
games
,
trees
3500
x214
1952E
Sweep Line
combinatorics
,
games
,
math
x210
1951H
Thanos Snap
binary search
,
dp
,
games
,
greedy
,
trees
3200
x201
1402C
Star Trek
*special problem
,
combinatorics
,
dfs and similar
,
dp
,
games
,
graphs
,
matrices
,
trees
2600
x198
1659F
Tree and Permutation Game
dfs and similar
,
games
,
graphs
,
trees
3000
x182
1965E
Connected Cubes
constructive algorithms
,
games
3100
x176
1585G
Poachers
dp
,
games
,
graphs
,
trees
2500
x171
1919G
Tree LGM
constructive algorithms
,
divide and conquer
,
games
,
trees
3500
x170
1434E
A Convex Game
dsu
,
games
3500
x164
1906G
Grid Game 2
games
,
number theory
2900
x145
1431G
Number Deletion Game
*special problem
,
dp
,
games
,
greedy
2100
x139
1442F
Differentiating Games
games
,
interactive
3400
x129
1090G
Combostone
games
,
implementation
2500
x104
457F
An easy problem about trees
dp
,
games
,
greedy
,
trees
3200
x103
1427H
Prison Break
binary search
,
games
,
geometry
,
ternary search
3500
x69
1939D
Big Persimmon
*special problem
,
dp
,
games
x59
1346H
Game with Segments
*special problem
,
data structures
,
games
2700
x46
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Codeforces Round 946 (Div. 3)
24:31:08
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games
combine-tags-by-or
*combine tags by OR
2-sat
binary search
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brute force
chinese remainder theorem
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data structures
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divide and conquer
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expression parsing
fft
flows
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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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