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Codeforces Round 954 (Div. 3)
3 days
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Difficulty:
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brute force
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
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Problems
#
Name
18B
Platforms
brute force
,
math
1700
x2080
18A
Triangle
brute force
,
geometry
1500
x5751
17A
Noldbach problem
brute force
,
math
,
number theory
1000
x15379
14C
Four Segments
brute force
,
constructive algorithms
,
geometry
,
implementation
,
math
1700
x3272
9C
Hexadecimal's Numbers
brute force
,
implementation
,
math
1200
x12613
9B
Running Student
brute force
,
geometry
,
implementation
1200
x5363
7A
Kalevitch and Chess
brute force
,
constructive algorithms
1100
x7043
6D
Lizards and Basements 2
brute force
,
dp
2600
x1955
6A
Triangle
brute force
,
geometry
900
x19273
4A
Watermelon
brute force
,
math
800
x490781
3C
Tic-tac-toe
brute force
,
games
,
implementation
1800
x7090
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