Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Rayan
→ Pay attention
Before contest
Codeforces Round 1006 (Div. 3)
25:50:45
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
888D
Almost Identity Permutations
combinatorics
,
dp
,
math
1600
x8831
888C
K-Dominant Character
binary search
,
implementation
,
two pointers
1400
x8369
888B
Buggy Robot
greedy
1000
x10013
888A
Local Extrema
brute force
,
implementation
800
x11211
887F
Row of Models
greedy
,
sortings
2500
x171
887E
Little Brother
binary search
,
geometry
,
sortings
2800
x167
887D
Ratings and Reality Shows
data structures
,
two pointers
2400
x488
887C
Solution for Cube
brute force
,
implementation
1500
x2918
887B
Cubes for Masha
brute force
,
implementation
1300
x5705
887A
Div. 64
implementation
1000
x11436
886F
Symmetric Projections
geometry
2900
x277
886E
Maximum Element
combinatorics
,
dp
,
math
2400
x1071
886D
Restoration of string
constructive algorithms
,
graphs
,
implementation
2000
x1811
886C
Petya and Catacombs
dsu
,
greedy
,
implementation
,
trees
1300
x5499
886B
Vlad and Cafes
1000
x8000
886A
ACM ICPC
brute force
1000
x10468
884F
Anti-Palindromize
flows
,
graphs
,
greedy
2500
x1114
884E
Binary Matrix
dsu
2500
x708
884D
Boxes And Balls
data structures
,
greedy
2300
x2074
884C
Bertown Subway
dfs and similar
,
greedy
,
math
1500
x4859
884B
Japanese Crosswords Strike Back
implementation
1100
x6997
884A
Book Reading
implementation
800
x10597
883M
Quadcopter Competition
greedy
,
math
1100
x3636
883L
Berland.Taxi
data structures
2500
x242
883K
Road Widening
constructive algorithms
,
greedy
,
implementation
1800
x1111
883J
Renovation
constructive algorithms
,
greedy
,
sortings
2400
x584
883I
Photo Processing
binary search
,
dp
1900
x2071
883H
Palindromic Cut
brute force
,
implementation
,
strings
1800
x1664
883G
Orientation of Edges
dfs and similar
,
graphs
1900
x1430
883F
Lost in Transliteration
implementation
1300
x2298
883E
Field of Wonders
implementation
,
strings
1500
x1924
883D
Packmen Strike Back
binary search
,
dp
,
math
2500
x473
883C
Downloading B++
binary search
,
implementation
2300
x632
883B
Berland Army
constructive algorithms
,
graphs
,
greedy
2600
x387
883A
Automatic Door
implementation
2200
x607
879B
Table Tennis
data structures
,
implementation
1200
x12985
879A
Borya's Diagnosis
implementation
900
x9161
878E
Numbers on the blackboard
combinatorics
,
dp
3300
x593
878D
Magic Breeding
bitmasks
2900
x742
878C
Tournament
data structures
,
graphs
2700
x944
878B
Teams Formation
data structures
,
implementation
2300
x1080
878A
Short Program
bitmasks
,
constructive algorithms
1600
x5648
877F
Ann and Books
data structures
,
flows
,
hashing
2300
x1894
877E
Danil and a Part-time Job
bitmasks
,
data structures
,
trees
2000
x4735
877D
Olya and Energy Drinks
data structures
,
dfs and similar
,
graphs
,
shortest paths
2100
x4525
877C
Slava and tanks
constructive algorithms
1600
x5780
877B
Nikita and string
brute force
,
dp
1500
x10782
877A
Alex and broken contest
implementation
,
strings
1100
x11089
876B
Divisiblity of Differences
implementation
,
math
,
number theory
1300
x9572
876A
Trip For Meal
math
900
x9495
875F
Royal Questions
dsu
,
graphs
,
greedy
2500
x1394
875E
Delivery Club
binary search
,
data structures
,
dp
2600
x953
875D
High Cry
binary search
,
bitmasks
,
combinatorics
,
data structures
,
divide and conquer
2200
x2309
875C
National Property
2-sat
,
dfs and similar
,
graphs
,
implementation
2100
x2148
875B
Sorting the Coins
dsu
,
implementation
,
sortings
,
two pointers
1500
x5248
875A
Classroom Watch
brute force
,
math
1200
x9806
873F
Forbidden Indices
dsu
,
string suffix structures
,
strings
2400
x1455
873E
Awards For Contestants
brute force
,
data structures
,
dp
2300
x717
873D
Merge Sort
constructive algorithms
,
divide and conquer
1800
x3286
873C
Strange Game On Matrix
greedy
,
two pointers
1600
x3348
873B
Balanced Substring
dp
,
implementation
1500
x8031
873A
Chores
implementation
800
x8466
871E
Restore the Tree
graphs
,
greedy
,
trees
2900
x157
870F
Paths
data structures
,
number theory
2700
x627
870E
Points, Lines and Ready-made Titles
dfs and similar
,
dsu
,
graphs
,
trees
2300
x1254
870D
Something with XOR Queries
brute force
,
interactive
,
probabilities
2000
x1240
870C
Maximum splitting
dp
,
greedy
,
math
,
number theory
1300
x9294
870B
Maximum of Maximums of Minimums
greedy
1200
x9764
870A
Search for Pretty Integers
brute force
,
implementation
900
x10293
869E
The Untended Antiquity
data structures
,
hashing
2400
x1871
869D
The Overdosing Ubiquity
brute force
,
dfs and similar
,
graphs
2800
x256
869C
The Intriguing Obsession
combinatorics
,
dp
,
math
1800
x4789
869B
The Eternal Immortality
math
1100
x14129
869A
The Artful Expedient
brute force
,
implementation
1100
x9560
868G
El Toll Caves
math
3300
x149
868F
Yet Another Minimization Problem
divide and conquer
,
dp
2500
x4045
868E
Policeman and a Tree
dp
,
graphs
,
trees
2700
x533
868D
Huge Strings
bitmasks
,
brute force
,
dp
,
implementation
,
strings
2200
x931
868C
Qualification Rounds
bitmasks
,
brute force
,
constructive algorithms
,
dp
1500
x4702
868B
Race Against Time
implementation
1400
x3704
868A
Bark to Unlock
brute force
,
implementation
,
strings
900
x9111
867A
Between the Offices
implementation
800
x19619
865G
Flowers and Chocolate
combinatorics
,
math
,
matrices
3300
x146
865F
Egg Roulette
bitmasks
,
brute force
,
divide and conquer
,
math
,
meet-in-the-middle
3300
x74
865E
Hex Dyslexia
bitmasks
,
brute force
,
dp
,
graphs
3300
x149
865D
Buy Low Sell High
constructive algorithms
,
data structures
,
greedy
2400
x6092
865C
Gotta Go Fast
binary search
,
dp
2400
x859
865B
Ordering Pizza
binary search
,
sortings
,
ternary search
1900
x1881
865A
Save the problem!
constructive algorithms
1400
x4367
864F
Cities Excursions
dfs and similar
,
graphs
,
trees
2700
x645
864E
Fire
dp
,
sortings
2000
x4354
864D
Make a Permutation!
greedy
,
implementation
,
math
1500
x6054
864C
Bus
greedy
,
implementation
,
math
1500
x5899
864B
Polycarp and Letters
brute force
,
implementation
,
strings
1000
x9363
864A
Fair Game
implementation
,
sortings
1000
x11760
863G
Graphic Settings
3200
x59
863F
Almost Permutation
flows
2200
x1310
863E
Turn Off The TV
data structures
,
sortings
2000
x3299
863D
Yet Another Array Queries Problem
data structures
,
implementation
1800
x3376
863C
1-2-3
graphs
,
implementation
1800
x2547
←
1
2
...
63
64
65
66
67
...
101
102
→
User lists
Name