Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)
45:25:22
Register now »
*has extra registration
→ 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
567A
Lineland Mail
greedy
,
implementation
900
x30186
566G
Max and Min
geometry
2500
x331
566F
Clique in the Divisibility Graph
dp
,
math
,
number theory
1500
x3500
566E
Restoring Map
bitmasks
,
constructive algorithms
,
trees
3200
x597
566D
Restructuring Company
data structures
,
dsu
1900
x3041
566C
Logistical Questions
dfs and similar
,
divide and conquer
,
trees
3000
x687
566B
Replicating Processes
constructive algorithms
,
greedy
2600
x252
566A
Matching Names
dfs and similar
,
strings
,
trees
2300
x865
560B
Gerald is into Art
constructive algorithms
,
implementation
1200
x7742
560A
Currency System in Geraldion
implementation
,
sortings
1000
x16736
559E
Gerald and Path
dp
,
sortings
3000
x846
559D
Randomizer
combinatorics
,
geometry
,
probabilities
2800
x418
559C
Gerald and Giant Chess
combinatorics
,
dp
,
math
,
number theory
2200
x6085
559B
Equivalent Strings
divide and conquer
,
hashing
,
sortings
,
strings
1700
x10286
559A
Gerald's Hexagon
brute force
,
geometry
,
math
1600
x10254
558E
A Simple Task
data structures
,
sortings
,
strings
2300
x5493
558D
Guess Your Way Out! II
data structures
,
implementation
,
sortings
2300
x1094
558C
Amr and Chemistry
brute force
,
graphs
,
greedy
,
math
,
shortest paths
1900
x3878
558B
Amr and The Large Array
implementation
1300
x7612
558A
Lala Land and Apple Trees
brute force
,
implementation
,
sortings
1100
x10125
557E
Ann and Half-Palindrome
data structures
,
dp
,
graphs
,
string suffix structures
,
strings
,
trees
2300
x1044
557D
Vitaly and Cycle
combinatorics
,
dfs and similar
,
graphs
,
math
2000
x2123
557C
Arthur and Table
brute force
,
data structures
,
dp
,
greedy
,
math
,
sortings
1900
x3933
557B
Pasha and Tea
constructive algorithms
,
implementation
,
math
,
sortings
1500
x7061
557A
Ilya and Diplomas
greedy
,
implementation
,
math
1100
x8190
556B
Case of Fake Numbers
brute force
,
implementation
1100
x7857
556A
Case of the Zeros and Ones
greedy
900
x37422
555E
Case of Computer Network
dfs and similar
,
graphs
,
trees
2800
x2153
555D
Case of a Top Secret
binary search
,
implementation
,
math
2500
x856
555C
Case of Chocolate
data structures
2200
x1940
555B
Case of Fugitive
data structures
,
greedy
,
sortings
2000
x3672
555A
Case of Matryoshkas
implementation
1500
x6353
554B
Ohana Cleans Up
brute force
,
greedy
,
strings
1200
x9590
554A
Kyoya and Photobooks
brute force
,
math
,
strings
900
x12653
553E
Kyoya and Train
dp
,
fft
,
graphs
,
math
,
probabilities
3200
x518
553D
Nudist Beach
binary search
,
graphs
,
greedy
2300
x970
553C
Love Triangles
dfs and similar
,
dsu
,
graphs
2200
x1724
553B
Kyoya and Permutation
binary search
,
combinatorics
,
constructive algorithms
,
greedy
,
implementation
,
math
1900
x2092
553A
Kyoya and Colored Balls
combinatorics
,
dp
,
math
1500
x8313
552E
Vanya and Brackets
brute force
,
dp
,
expression parsing
,
greedy
,
implementation
,
strings
2100
x1403
552D
Vanya and Triangles
brute force
,
combinatorics
,
data structures
,
geometry
,
math
,
sortings
1900
x4328
552C
Vanya and Scales
brute force
,
dp
,
greedy
,
math
,
meet-in-the-middle
,
number theory
1900
x5344
552B
Vanya and Books
implementation
,
math
1200
x15156
552A
Vanya and Table
implementation
,
math
1000
x9311
551E
GukiZ and GukiZiana
binary search
,
data structures
,
implementation
2500
x1643
551D
GukiZ and Binary Operations
combinatorics
,
implementation
,
math
,
matrices
,
number theory
2100
x1713
551C
GukiZ hates Boxes
binary search
,
greedy
2200
x3409
551B
ZgukistringZ
brute force
,
constructive algorithms
,
implementation
,
strings
1800
x3746
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x15944
550E
Brackets in Implications
constructive algorithms
,
greedy
,
implementation
,
math
2200
x1371
550D
Regular Bridge
constructive algorithms
,
graphs
,
implementation
1900
x3227
550C
Divisibility by Eight
brute force
,
dp
,
math
1500
x26978
550B
Preparing Olympiad
bitmasks
,
brute force
1400
x18977
550A
Two Substrings
brute force
,
dp
,
greedy
,
implementation
,
strings
1500
x35874
549H
Degenerate Matrix
binary search
,
math
2100
x1783
549G
Happy Line
constructive algorithms
,
greedy
,
sortings
2200
x2386
549F
Yura and Developers
data structures
,
divide and conquer
2800
x846
549E
Sasha Circle
geometry
,
math
2700
x144
549D
Haar Features
greedy
,
implementation
1900
x2121
549C
The Game Of Parity
games
2200
x1711
549B
Looksery Party
constructive algorithms
,
dfs and similar
,
graphs
,
greedy
2300
x1472
549A
Face Detection
implementation
,
strings
900
x9324
548B
Mike and Fun
brute force
,
dp
,
greedy
,
implementation
1400
x8236
548A
Mike and Fax
brute force
,
implementation
,
strings
1100
x9809
547E
Mike and Friends
data structures
,
string suffix structures
,
strings
,
trees
2800
x1906
547D
Mike and Fish
constructive algorithms
,
dfs and similar
,
graphs
2600
x2379
547C
Mike and Foam
bitmasks
,
combinatorics
,
dp
,
math
,
number theory
2300
x2671
547B
Mike and Feet
binary search
,
data structures
,
dp
,
dsu
1900
x8104
547A
Mike and Frog
brute force
,
greedy
,
implementation
,
math
2200
x2301
546E
Soldier and Traveling
flows
,
graphs
,
math
2100
x3412
546D
Soldier and Number Game
constructive algorithms
,
dp
,
math
,
number theory
1700
x11100
546C
Soldier and Cards
brute force
,
dfs and similar
,
games
1400
x16919
546B
Soldier and Badges
brute force
,
greedy
,
implementation
,
sortings
1200
x17085
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x164681
545E
Paths and Trees
graphs
,
greedy
,
shortest paths
2000
x4324
545D
Queue
greedy
,
implementation
,
sortings
1300
x23759
545C
Woodcutters
dp
,
greedy
1500
x25973
545B
Equidistant String
greedy
1100
x11375
545A
Toy Cars
implementation
900
x11385
544B
Sea and Islands
constructive algorithms
,
implementation
1400
x7778
544A
Set of Strings
implementation
,
strings
1100
x7668
543E
Listening to Music
constructive algorithms
,
data structures
3200
x271
543D
Road Improvement
dp
,
trees
2300
x2515
543C
Remembering Strings
bitmasks
,
dp
2500
x1344
543B
Destroying Roads
constructive algorithms
,
graphs
,
shortest paths
2100
x3818
543A
Writing Code
dp
1800
x7629
542F
Quest
dp
,
greedy
2100
x731
542E
Playing on Graph
graphs
,
shortest paths
2600
x804
542D
Superhero's Job
dfs and similar
,
dp
,
hashing
,
math
,
number theory
2600
x489
542C
Idempotent functions
constructive algorithms
,
graphs
,
math
2000
x1092
542B
Duck Hunt
data structures
3100
x124
542A
Place Your Ad Here
data structures
,
sortings
2400
x519
540E
Infinite Inversions
binary search
,
data structures
,
implementation
,
sortings
,
trees
2100
x1976
540D
Bad Luck Island
dp
,
probabilities
1900
x5115
540C
Ice Cave
dfs and similar
2000
x6950
540B
School Marks
greedy
,
implementation
1700
x4587
540A
Combination Lock
implementation
800
x31257
538H
Summer Dichotomy
2-sat
,
data structures
,
dfs and similar
,
greedy
3200
x599
538G
Berserk Robot
constructive algorithms
,
math
,
sortings
3100
x438
538F
A Heap of Heaps
brute force
,
data structures
,
math
,
sortings
2200
x1492
←
1
2
...
69
70
71
72
73
...
94
95
→
User lists
Name