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Before contest
Codeforces Round 941 (Div. 1)
4 days
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*has extra registration
Before contest
Codeforces Round 941 (Div. 2)
4 days
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combine-tags-by-or
*combine tags by OR
2-sat
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#
Name
1474F
1 2 3 4 ...
dp
,
math
,
matrices
3000
x237
1197F
Coloring Game
dp
,
games
,
matrices
2700
x237
989E
A Trance of Nightfall
dp
,
geometry
,
matrices
,
probabilities
2700
x228
618G
Combining Slimes
dp
,
math
,
matrices
,
probabilities
3300
x216
1402C
Star Trek
*special problem
,
combinatorics
,
dfs and similar
,
dp
,
games
,
graphs
,
matrices
,
trees
2600
x195
86E
Long sequence
brute force
,
math
,
matrices
2700
x178
177G2
Fibonacci Strings
matrices
,
strings
2600
x171
267C
Berland Traffic
math
,
matrices
2700
x159
865G
Flowers and Chocolate
combinatorics
,
math
,
matrices
3300
x130
446E
DZY Loves Bridges
math
,
matrices
3100
x118
1184D2
Parallel Universes (Hard)
math
,
matrices
3100
x102
1266H
Red-Blue Graph
dp
,
graphs
,
math
,
matrices
,
meet-in-the-middle
3400
x99
1540E
Tasty Dishes
math
,
matrices
3500
x98
1375I
Cubic Lattice
geometry
,
math
,
matrices
,
number theory
3500
x76
1599E
Two Arrays
data structures
,
matrices
3200
x66
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