Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round 941 (Div. 1)
18:37:17
Register now »
*has extra registration
Before contest
Codeforces Round 941 (Div. 2)
18:37:17
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
100D
World of Mouth
*special problem
,
strings
1500
x297
1115U1
Anti-diagonal unitary
*special problem
1500
x250
1505B
DMCA
*special problem
,
implementation
,
number theory
1600
x5994
523D
Statistics of Recompressing Videos
*special problem
,
data structures
,
implementation
1600
x2235
637D
Running with Obstacles
*special problem
,
data structures
,
dp
,
greedy
1600
x1948
291C
Network Mask
*special problem
,
bitmasks
,
brute force
,
implementation
1600
x1663
291D
Parallel Programming
*special problem
,
greedy
1600
x1466
774K
Stepan and Vowels
*special problem
,
implementation
,
strings
1600
x1256
171F
ucyhf
*special problem
,
brute force
,
implementation
,
number theory
1600
x1243
171G
Mysterious numbers - 2
*special problem
1600
x887
153A
A + B
*special problem
1600
x754
1431C
Black Friday
*special problem
,
implementation
1600
x692
1910B
Security Guard
*special problem
,
greedy
1600
x578
1346C
Spring Cleaning
*special problem
,
greedy
,
sortings
1600
x578
1910C
Poisonous Swamp
*special problem
,
*special problem
,
implementation
,
implementation
1600
x567
1001E
Distinguish Bell states
*special problem
1600
x551
530B
String inside out
*special problem
1600
x537
1346D
Constructing the Dungeon
*special problem
,
graphs
,
greedy
1600
x476
130H
Balanced brackets
*special problem
1600
x476
530D
Set subtraction
*special problem
1600
x446
64C
Table
*special problem
,
greedy
,
implementation
,
math
1600
x331
188G
Array Sorting
*special problem
,
implementation
1600
x324
683B
The Teacher of Physical Education
*special problem
1600
x316
683C
Symmetric Difference
*special problem
1600
x314
1115G2
OR oracle
*special problem
1600
x305
130E
Tribonacci numbers
*special problem
1600
x291
130F
Prime factorization
*special problem
1600
x272
100E
Lamps in a Line
*special problem
,
math
1600
x265
72H
Reverse It!
*special problem
,
implementation
1600
x258
1115U2
Chessboard unitary
*special problem
1600
x227
1115G3
Palindrome checker oracle
*special problem
1600
x224
784A
Numbers Joke
*special problem
1700
x3108
644B
Processing Queries
*special problem
,
constructive algorithms
,
data structures
,
two pointers
1700
x2601
409A
The Great Game
*special problem
1700
x2434
769D
k-Interesting Pairs Of Integers
*special problem
,
bitmasks
,
brute force
,
meet-in-the-middle
1700
x2208
769C
Cycle In Maze
*special problem
,
dfs and similar
,
graphs
,
greedy
,
shortest paths
1700
x2098
409C
Magnum Opus
*special problem
1700
x1943
409D
Big Data
*special problem
1700
x1692
656B
Scrambled
*special problem
,
implementation
1700
x1628
290C
WTF?
*special problem
,
graph matchings
,
implementation
,
trees
1700
x1515
409B
Mysterious Language
*special problem
1700
x1341
929C
Красивая команда
*special problem
,
combinatorics
,
math
1700
x1141
159E
Zebra Tower
*special problem
,
data structures
,
greedy
,
sortings
1700
x987
1211C
Ice Cream
*special problem
,
greedy
,
sortings
1700
x476
1001I
Deutsch-Jozsa algorithm
*special problem
1700
x396
1346E
Magic Tricks
*special problem
,
dp
,
graphs
1700
x368
1571E
Fix the String
*special problem
,
bitmasks
,
dp
,
greedy
1700
x319
530E
Sum and product
*special problem
1700
x302
130G
CAPS LOCK ON
*special problem
1700
x273
171H
A polyline
*special problem
,
implementation
1700
x265
1115U3
Block unitary
*special problem
1700
x195
1505E
Cakewalk
*special problem
,
greedy
,
implementation
,
shortest paths
1800
x1719
638C
Road Improvement
*special problem
,
dfs and similar
,
graphs
,
greedy
,
trees
1800
x1480
1402A
Fancy Fence
*special problem
,
data structures
,
dsu
,
implementation
,
math
,
sortings
1800
x1135
162C
Prime factorization
*special problem
1800
x770
1505D
Xenolith? Hippodrome?
*special problem
,
number theory
1800
x739
784C
INTERCALC
*special problem
,
implementation
1800
x671
409E
Dome
*special problem
1800
x562
1488B
RBS Deletion
*special problem
,
greedy
1800
x524
1769D1
Игра в Девятку I
*special problem
,
brute force
,
dp
1800
x367
1571C
Rhyme
*special problem
,
implementation
1800
x357
130J
Date calculation
*special problem
1800
x323
1571D
Sweepstake
*special problem
,
brute force
,
constructive algorithms
,
implementation
,
math
1800
x317
162B
Binary notation
*special problem
1800
x307
1910D
Remove and Add
*special problem
,
greedy
1800
x296
64D
Presents
*special problem
,
greedy
1800
x281
470B
Hexakosioihexekontahexaphobia
*special problem
1800
x251
188H
Stack
*special problem
,
expression parsing
,
implementation
1800
x244
64E
Prime Segment
*special problem
,
brute force
,
math
,
number theory
1800
x234
162H
Alternating case
*special problem
1800
x212
162F
Factorial zeros
*special problem
1800
x194
683E
Hammer throwing
*special problem
1800
x187
72A
Goshtasp, Vishtasp and Eidi
*special problem
,
greedy
,
math
1800
x181
162E
HQ9+
*special problem
1800
x173
72E
Ali goes shopping
*special problem
,
brute force
,
strings
1800
x150
153B
Binary notation
*special problem
1800
x149
683F
Reformat the String
*special problem
1800
x146
100F
Polynom
*special problem
,
implementation
1800
x132
100G
Name the album
*special problem
,
data structures
,
implementation
1800
x109
162J
Brackets
*special problem
1800
x88
656A
Da Vinci Powers
*special problem
1900
x3552
409F
000001
*special problem
1900
x2037
158E
Phone Talks
*special problem
,
dp
,
sortings
1900
x1449
784F
Crunching Numbers Just for You
*special problem
,
implementation
1900
x991
928C
Dependency management
*special problem
,
graphs
,
implementation
1900
x879
656F
Ace It!
*special problem
1900
x879
928D
Autocompletion
*special problem
,
strings
,
trees
1900
x800
656G
You're a Professional
*special problem
1900
x474
784D
Touchy-Feely Palindromes
*special problem
,
implementation
1900
x423
1488C
Two Policemen
*special problem
,
binary search
,
brute force
,
math
1900
x397
1488D
Problemsolving Marathon
*special problem
,
binary search
,
greedy
1900
x317
470C
Eval
*special problem
1900
x231
661F
Primes in Interval
*special problem
1900
x230
162D
Remove digits
*special problem
1900
x223
661B
Seasons
*special problem
1900
x222
470E
Chessboard
*special problem
1900
x191
470D
Caesar Cipher
*special problem
1900
x145
683G
The Fraction
*special problem
1900
x130
72F
Oil
*special problem
,
greedy
,
math
1900
x116
683H
Exchange of Books
*special problem
1900
x95
←
1
2
3
4
→
User lists
Name