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Before contest
Codeforces Round (Div. 2)
5 days
→ Filter Problems
Difficulty:
—
binary search
trees
combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
communication
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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Custom test
Problems
#
Name
519E
A and B and Lecture Rooms
binary search
,
data structures
,
dfs and similar
,
dp
,
trees
2100
x8417
504E
Misha and LCP on Tree
binary search
,
dfs and similar
,
hashing
,
string suffix structures
,
trees
3000
x1069
474E
Pillars
binary search
,
data structures
,
dp
,
sortings
,
trees
2000
x4216
444E
DZY Loves Planting
binary search
,
dsu
,
trees
2700
x865
434E
Furukawa Nagisa's Tree
binary search
,
divide and conquer
,
sortings
,
trees
3000
x311
414D
Mashmokh and Water Tanks
binary search
,
data structures
,
greedy
,
trees
,
two pointers
2300
x749
374D
Inna and Sequence
binary search
,
data structures
,
dp
,
trees
2000
x992
372D
Choosing Subtree is Fun
binary search
,
data structures
,
dfs and similar
,
trees
,
two pointers
2600
x1131
208E
Blood Cousins
binary search
,
data structures
,
dfs and similar
,
trees
2100
x9013
191E
Thwarting Demonstrations
binary search
,
data structures
,
trees
2200
x960
150E
Freezing with Style
binary search
,
data structures
,
divide and conquer
,
trees
3000
x1038
85C
Petya and Tree
binary search
,
dfs and similar
,
probabilities
,
sortings
,
trees
2200
x625
6E
Exposition
binary search
,
data structures
,
dsu
,
trees
,
two pointers
1900
x3893
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