Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round 952 (Div. 4)
02:24:34
Register now »
→ Filter Problems
Difficulty:
—
bitmasks
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
1981B
Turtle and an Infinite Sequence
bitmasks
,
math
1300
x10176
1973B
Cat, Fox and the Lonely Array
binary search
,
bitmasks
,
data structures
,
greedy
,
math
,
two pointers
1300
x11821
1926E
Vlad and an Odd Ordering
binary search
,
bitmasks
,
data structures
,
dp
,
implementation
,
math
,
number theory
1500
x10572
1926D
Vlad and Division
bitmasks
,
greedy
1300
x14150
1918C
XOR-distance
bitmasks
,
greedy
,
implementation
,
math
1400
x12902
1913C
Game with Multiset
binary search
,
bitmasks
,
brute force
,
greedy
1300
x14000
1909B
Make Almost Equal With Mod
bitmasks
,
constructive algorithms
,
math
,
number theory
1200
x14609
1903B
StORage room
bitmasks
,
brute force
,
constructive algorithms
,
greedy
1200
x11677
1882B
Sets and Union
bitmasks
,
brute force
,
constructive algorithms
,
greedy
1300
x14585
1878E
Iva & Pav
binary search
,
bitmasks
,
data structures
,
greedy
1400
x11473
1875C
Jellyfish and Green Apple
bitmasks
,
greedy
,
math
,
number theory
1400
x11005
1872E
Data Structures Fan
binary search
,
bitmasks
,
data structures
,
dp
1500
x12342
1870B
Friendly Arrays
bitmasks
,
greedy
,
math
1200
x13587
1864C
Divisor Chain
bitmasks
,
constructive algorithms
,
math
,
number theory
1300
x12838
1847C
Vampiric Powers, anyone?
bitmasks
,
brute force
,
dp
,
greedy
1400
x12349
1790E
Vlad and a Pair of Numbers
bitmasks
,
constructive algorithms
1400
x14398
1775B
Gardener and the Array
bitmasks
,
constructive algorithms
1300
x12853
1742G
Orray
bitmasks
,
brute force
,
greedy
,
math
,
sortings
1500
x10082
1722G
Even-Odd XOR
bitmasks
,
constructive algorithms
,
greedy
1500
x10600
1669H
Maximal AND
bitmasks
,
greedy
,
math
1300
x16889
1661B
Getting Zero
bitmasks
,
brute force
,
dfs and similar
,
dp
,
graphs
,
greedy
,
shortest paths
1300
x17152
1659B
Bit Flipping
bitmasks
,
constructive algorithms
,
greedy
,
strings
1300
x10694
1646C
Factorials and Powers of Two
bitmasks
,
brute force
,
constructive algorithms
,
dp
,
math
1500
x13416
1634B
Fortune Telling
bitmasks
,
math
1400
x15877
1630A
And Matching
bitmasks
,
constructive algorithms
1500
x14181
1615B
And It's Non-Zero
bitmasks
,
greedy
,
math
1300
x15354
1614C
Divan and bitwise operations
bitmasks
,
combinatorics
,
constructive algorithms
,
dp
,
math
1500
x9988
1601A
Array Elimination
bitmasks
,
greedy
,
math
,
number theory
1300
x13515
1600J
Robot Factory
bitmasks
,
dfs and similar
1400
x3801
1553C
Penalty
bitmasks
,
brute force
,
dp
,
greedy
1200
x17425
1547D
Co-growing Sequence
bitmasks
,
constructive algorithms
,
greedy
1300
x16202
1516B
AGAGA XOOORRR
bitmasks
,
brute force
,
dp
,
greedy
1500
x18352
1514B
AND 0, Sum Big
bitmasks
,
combinatorics
,
math
1200
x23284
1513B
AND Sequences
bitmasks
,
combinatorics
,
constructive algorithms
,
math
1400
x13969
1498B
Box Fitting
binary search
,
bitmasks
,
data structures
,
greedy
1300
x16304
1494B
Berland Crossword
bitmasks
,
brute force
,
greedy
,
implementation
1400
x14038
1463B
Find The Array
bitmasks
,
constructive algorithms
,
greedy
1400
x18897
1420B
Rock and Lever
bitmasks
,
math
1200
x24147
1385D
a-Good String
bitmasks
,
brute force
,
divide and conquer
,
dp
,
implementation
1500
x18502
1362C
Johnny and Another Rating Drop
bitmasks
,
greedy
,
math
1400
x17337
1362B
Johnny and His Hobbies
bitmasks
,
brute force
1200
x18493
1312C
Adding Powers
bitmasks
,
greedy
,
implementation
,
math
,
number theory
,
ternary search
1400
x15979
1270C
Make Good
bitmasks
,
constructive algorithms
,
math
1400
x13827
1152B
Neko Performs Cat Furrier Transform
bitmasks
,
constructive algorithms
,
dfs and similar
,
math
1300
x8827
1097B
Petr and a Combination Lock
bitmasks
,
brute force
,
dp
1200
x27131
1095C
Powers Of Two
bitmasks
,
greedy
1400
x15982
1042B
Vitamins
bitmasks
,
brute force
,
dp
,
implementation
1200
x15401
961C
Chessboard
bitmasks
,
brute force
,
implementation
1400
x5247
912B
New Year's Eve
bitmasks
,
constructive algorithms
,
number theory
1300
x11544
868C
Qualification Rounds
bitmasks
,
brute force
,
constructive algorithms
,
dp
1500
x4547
743B
Chloe and the sequence
binary search
,
bitmasks
,
constructive algorithms
,
implementation
1200
x14330
677C
Vanya and Label
bitmasks
,
combinatorics
,
implementation
,
strings
1500
x6303
611B
New Year and Old Property
bitmasks
,
brute force
,
implementation
1300
x9840
550B
Preparing Olympiad
bitmasks
,
brute force
1400
x19797
476B
Dreamoon and WiFi
bitmasks
,
brute force
,
combinatorics
,
dp
,
math
,
probabilities
1300
x29366
437B
The Child and Set
bitmasks
,
greedy
,
implementation
,
sortings
1500
x9241
224B
Array
bitmasks
,
implementation
,
two pointers
1500
x7190
114B
PFAST Inc.
bitmasks
,
brute force
,
graphs
1500
x3552
96B
Lucky Numbers (easy)
binary search
,
bitmasks
,
brute force
1300
x14633
27B
Tournament
bitmasks
,
brute force
,
dfs and similar
,
greedy
1300
x5180
User lists
Name