Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Rayan
→ Pay attention
Before contest
Codeforces Round 1006 (Div. 3)
41:17:44
Register now »
→ Filter Problems
Difficulty:
—
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
Add tag
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
408A
Line to Cashier
implementation
900
x11456
407E
k-d-sequence
data structures
3100
x826
407D
Largest Submatrix 3
dp
,
hashing
2700
x687
407C
Curious Array
brute force
,
combinatorics
,
implementation
,
math
2500
x1067
407B
Long Path
dp
,
implementation
1600
x6673
407A
Triangle
brute force
,
geometry
,
implementation
,
math
1600
x4957
406E
Hamming Triples
implementation
,
math
,
two pointers
2800
x251
406D
Hill Climbing
dfs and similar
,
geometry
,
trees
2200
x1196
405E
Graph Cutting
dfs and similar
,
graphs
2300
x1462
405D
Toy Sum
greedy
,
implementation
,
math
1700
x3135
405C
Unusual Product
implementation
,
math
1600
x4719
405B
Domino Effect
1100
x5847
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x107163
404E
Maze 1D
binary search
,
greedy
,
implementation
2200
x610
404D
Minesweeper 1D
dp
,
implementation
1900
x2229
404C
Restore Graph
dfs and similar
,
graphs
,
sortings
1800
x5339
404B
Marathon
implementation
,
math
1500
x2947
404A
Valera and X
implementation
1000
x24619
403E
Two Rooted Trees
data structures
,
implementation
,
trees
2900
x225
403D
Beautiful Pairs of Numbers
combinatorics
,
dp
2300
x1130
402E
Strictly Positive Matrix
graphs
,
math
2200
x2218
402D
Upgrading Array
dp
,
greedy
,
math
,
number theory
1800
x2650
402C
Searching for Graph
brute force
,
constructive algorithms
,
graphs
1500
x6026
402B
Trees in a Row
brute force
,
implementation
1400
x3844
402A
Nuts
greedy
,
math
1100
x4653
401E
Olympic Games
math
2500
x169
401D
Roman and Numbers
bitmasks
,
brute force
,
combinatorics
,
dp
,
number theory
2000
x4263
401C
Team
constructive algorithms
,
greedy
,
implementation
1400
x20415
401B
Sereja and Contests
greedy
,
implementation
,
math
1200
x4449
401A
Vanya and Cards
implementation
,
math
800
x16622
400E
Inna and Binary Logic
binary search
,
bitmasks
,
data structures
2100
x980
400D
Dima and Bacteria
dsu
,
graphs
,
shortest paths
2000
x2952
400C
Inna and Huge Candy Matrix
implementation
,
math
1500
x2915
400B
Inna and New Matrix of Candies
brute force
,
implementation
,
schedules
1200
x7939
400A
Inna and Choose Options
implementation
1000
x6612
399B
Red and Blue Balls
x1844
399A
Pages
implementation
x4165
398E
Sorting Permutations
x95
398D
Instant Messanger
data structures
x971
398C
Tree and Array
constructive algorithms
x215
398B
Painting The Wall
dp
,
probabilities
x1075
398A
Cards
constructive algorithms
,
implementation
x928
397B
On Corruption and Numbers
constructive algorithms
,
implementation
,
math
x761
397A
On Segment's Own Points
implementation
x2644
396E
On Iteration of One Well-Known Function
math
x155
396D
On Sum of Number of Inversions in Permutations
combinatorics
,
math
x439
396C
On Changing Tree
data structures
,
graphs
,
trees
x1650
396B
On Sum of Fractions
math
,
number theory
x1112
396A
On Number of Decompositions into Multipliers
combinatorics
,
math
,
number theory
x1526
394E
Lightbulb for Minister
geometry
x117
394D
Physical Education and Buns
brute force
,
implementation
,
math
x271
394C
Dominoes
constructive algorithms
,
greedy
x523
394B
Very Beautiful Number
math
x575
394A
Counting Sticks
brute force
,
implementation
x2668
393B
Three matrices
x2007
393A
Nineteen
x6707
392E
Deleting Substrings
x180
392D
Three Arrays
data structures
x218
392C
Yet Another Number Sequence
combinatorics
,
math
,
matrices
x603
392B
Tower of Hanoi
dp
x965
392A
Blocked Points
math
x979
391F3
Stock Trading
x108
391F2
Stock Trading
greedy
x109
391F1
Stock Trading
dp
x190
391E2
Three Trees
x168
391E1
Three Trees
x121
391D2
Supercollider
data structures
x198
391D1
Supercollider
brute force
x214
391C3
The Tournament
x171
391C2
The Tournament
greedy
x138
391C1
The Tournament
brute force
x189
391B
Word Folding
brute force
x397
391A
Genetic Engineering
implementation
,
two pointers
x1727
390E
Inna and Large Sweet Matrix
x261
390D
Inna and Sweet Matrix
constructive algorithms
x519
390C
Inna and Candy Boxes
data structures
x628
390B
Inna, Dima and Song
implementation
x1180
390A
Inna and Alarm Clock
implementation
x3607
389B
Fox and Cross
greedy
,
implementation
1100
x7061
389A
Fox and Number Game
greedy
,
math
1000
x14290
388E
Fox and Meteor Shower
geometry
3100
x123
388D
Fox and Perfect Sets
math
2700
x458
388C
Fox and Card Game
games
,
greedy
,
sortings
2000
x3497
388B
Fox and Minimal path
bitmasks
,
constructive algorithms
,
graphs
,
implementation
,
math
1900
x2497
388A
Fox and Box Accumulation
greedy
,
sortings
1400
x11569
387E
George and Cards
binary search
,
data structures
2200
x925
387D
George and Interesting Graph
graph matchings
2200
x1048
387C
George and Number
greedy
,
implementation
1700
x2221
387B
George and Round
brute force
,
greedy
,
two pointers
1200
x12420
387A
George and Sleep
implementation
900
x9863
386D
Game with Points
dp
,
graphs
,
implementation
,
shortest paths
2100
x466
386C
Diverse Substrings
dp
,
strings
,
two pointers
2000
x833
386B
Fly, freebies, fly!
binary search
,
brute force
,
implementation
1400
x2216
386A
Second-Price Auction
implementation
800
x6762
385E
Bear in the Field
math
,
matrices
2300
x598
385D
Bear and Floodlight
bitmasks
,
dp
,
geometry
2200
x822
385C
Bear and Prime Numbers
binary search
,
brute force
,
data structures
,
dp
,
implementation
,
math
,
number theory
1700
x9857
385B
Bear and Strings
brute force
,
greedy
,
implementation
,
math
,
strings
1200
x10120
385A
Bear and Raspberry
brute force
,
greedy
,
implementation
1000
x16706
384B
Multitasking
greedy
,
implementation
,
sortings
,
two pointers
1500
x3599
←
1
2
...
83
84
85
86
87
...
101
102
→
User lists
Name