Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round 941 (Div. 1)
13:02:23
Register now »
*has extra registration
Before contest
Codeforces Round 941 (Div. 2)
13:02:23
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
implementation
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
794A
Bank Robbery
brute force
,
implementation
800
x6911
818A
Diplomas and Certificates
implementation
,
math
800
x6773
181A
Series of Crimes
brute force
,
geometry
,
implementation
800
x6695
802G
Fake News (easy)
implementation
,
strings
800
x6689
306A
Candies
implementation
800
x6575
1056A
Determine Line
implementation
800
x6533
291A
Spyke Talks
*special problem
,
implementation
,
sortings
800
x5977
386A
Second-Price Auction
implementation
800
x5906
172A
Phone Code
*special problem
,
brute force
,
implementation
800
x5888
421A
Pasha and Hamsters
constructive algorithms
,
implementation
800
x5766
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x5565
96A
Football
implementation
,
strings
900
x148529
133A
HQ9+
implementation
900
x99663
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x94035
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x83685
451A
Game With Sticks
implementation
900
x62454
313A
Ilya and Bank Account
implementation
,
number theory
900
x53415
460A
Vasya and Socks
brute force
,
implementation
,
math
900
x44174
474A
Keyboard
implementation
900
x42545
149A
Business trip
greedy
,
implementation
,
sortings
900
x37600
977B
Two-gram
implementation
,
strings
900
x36615
1624B
Make AP
implementation
,
math
900
x34088
1337B
Kana and Dragon Quest game
greedy
,
implementation
,
math
900
x33003
1850D
Balanced Round
brute force
,
greedy
,
implementation
,
sortings
900
x32035
1339A
Filling Diamonds
brute force
,
dp
,
implementation
,
math
900
x31013
1742C
Stripes
implementation
900
x30799
567A
Lineland Mail
greedy
,
implementation
900
x30492
709A
Juicer
implementation
900
x29874
275A
Lights Out
implementation
900
x28488
1807D
Odd Queries
data structures
,
implementation
900
x28466
1714A
Everyone Loves to Sleep
implementation
,
math
900
x28391
1915D
Unnatural Language Processing
greedy
,
implementation
,
strings
900
x27401
276A
Lunch Rush
implementation
900
x26667
1872B
The Corridor or There and Back Again
greedy
,
implementation
900
x26481
746B
Decoding
implementation
,
strings
900
x26128
1206B
Make Product Equal One
dp
,
implementation
900
x25942
1324A
Yet Another Tetris Problem
implementation
,
number theory
900
x25237
199A
Hexadecimal's theorem
brute force
,
constructive algorithms
,
implementation
,
number theory
900
x25001
439A
Devu, the Singer and Churu, the Joker
greedy
,
implementation
900
x24826
1486A
Shifting Stacks
greedy
,
implementation
900
x24758
1675B
Make It Increasing
greedy
,
implementation
900
x24560
1613A
Long Comparison
implementation
,
math
900
x23922
1326B
Maximums
implementation
,
math
900
x23452
1856B
Good Arrays
implementation
,
math
900
x23012
1005B
Delete from the Left
brute force
,
implementation
,
strings
900
x22257
1705B
Mark the Dust Sweeper
constructive algorithms
,
greedy
,
implementation
900
x22137
1918B
Minimize Inversions
constructive algorithms
,
data structures
,
greedy
,
implementation
,
sortings
900
x21939
501A
Contest
implementation
900
x21916
1709B
Also Try Minecraft
data structures
,
dp
,
implementation
900
x21796
129A
Cookies
implementation
900
x21686
205A
Little Elephant and Rozdil
brute force
,
implementation
900
x21461
1095B
Array Stabilization
implementation
900
x21151
1406A
Subset Mex
greedy
,
implementation
,
math
900
x20915
1845B
Come Together
geometry
,
implementation
,
math
900
x20822
1141B
Maximal Continuous Rest
implementation
900
x20611
913A
Modular Exponentiation
implementation
,
math
900
x20536
1494A
ABC String
bitmasks
,
brute force
,
implementation
900
x20386
1426B
Symmetric Matrix
implementation
900
x20336
621A
Wet Shark and Odd and Even
implementation
900
x19560
807A
Is it rated?
implementation
,
sortings
900
x19385
1419A
Digit Game
games
,
greedy
,
implementation
900
x19242
1451B
Non-Substring Subsequence
dp
,
greedy
,
implementation
,
strings
900
x18981
519A
A and B and Chess
implementation
900
x18549
1501B
Napoleon Cake
dp
,
implementation
,
sortings
900
x18425
1330A
Dreamoon and Ranking Collection
implementation
900
x18370
1216B
Shooting
greedy
,
implementation
,
sortings
900
x18028
1175A
From Hero to Zero
implementation
,
math
900
x17616
1138A
Sushi for Two
binary search
,
greedy
,
implementation
900
x17354
1808A
Lucky Numbers
brute force
,
implementation
900
x17273
999B
Reversing Encryption
implementation
900
x17077
1480B
The Great Hero
greedy
,
implementation
,
sortings
900
x16911
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x16750
1609A
Divide and Multiply
greedy
,
implementation
,
math
,
number theory
900
x16645
1144B
Parity Alternated Deletions
greedy
,
implementation
,
sortings
900
x16605
1351B
Square?
brute force
,
implementation
,
math
900
x16427
152A
Marks
implementation
900
x16148
496A
Minimum Difficulty
brute force
,
implementation
,
math
900
x16081
918B
Radio Station
implementation
,
strings
900
x15624
1904A
Forked!
brute force
,
implementation
900
x15605
1313A
Fast Food Restaurant
brute force
,
greedy
,
implementation
900
x15176
1201A
Important Exam
implementation
,
strings
900
x15158
1008A
Romaji
implementation
,
strings
900
x14722
1016A
Death Note
greedy
,
implementation
,
math
900
x14652
1025A
Doggo Recoloring
implementation
,
sortings
900
x14518
1282A
Temporarily unavailable
implementation
,
math
900
x14502
903A
Hungry Student Problem
greedy
,
implementation
900
x14358
915A
Garden
implementation
900
x14340
1106C
Lunar New Year and Number Division
greedy
,
implementation
,
math
,
sortings
900
x14265
706A
Beru-taxi
brute force
,
geometry
,
implementation
900
x14242
1732B
Ugu
brute force
,
dp
,
greedy
,
implementation
900
x13968
1505A
Is it rated - 2
*special problem
,
implementation
,
interactive
900
x13961
839A
Arya and Bran
implementation
900
x13927
215A
Bicycle Chain
brute force
,
implementation
900
x13881
591A
Wizards' Duel
implementation
,
math
900
x13874
914A
Perfect Squares
brute force
,
implementation
,
math
900
x13731
948A
Protect Sheep
brute force
,
dfs and similar
,
graphs
,
implementation
900
x13350
892A
Greed
greedy
,
implementation
900
x13191
841A
Generous Kefa
brute force
,
implementation
900
x12914
697A
Pineapple Incident
implementation
,
math
900
x12568
11A
Increasing Sequence
constructive algorithms
,
implementation
,
math
900
x12376
←
1
2
3
4
5
6
7
...
25
26
→
User lists
Name