Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Rayan
→ Pay attention
Before contest
European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred)
26:31:37
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
791A
Bear and Big Brother
implementation
800
x210824
785A
Anton and Polyhedrons
implementation
,
strings
800
x94827
780A
Andryusha and Socks
implementation
800
x20356
776A
A Serial Killer
brute force
,
implementation
,
strings
900
x12408
770A
New Password
*special problem
,
implementation
800
x20419
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x5976
768A
Oath of the Night's Watch
constructive algorithms
,
sortings
900
x28556
765A
Neverending competitions
implementation
,
math
900
x9114
764B
Timofey and cubes
constructive algorithms
,
implementation
900
x12081
764A
Taymyr is calling you
brute force
,
implementation
,
math
800
x16503
760A
Petr and a calendar
implementation
,
math
800
x8295
758A
Holiday Of Equality
implementation
,
math
800
x64311
755A
PolandBall and Hypothesis
brute force
,
graphs
,
math
,
number theory
800
x18500
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x79908
749A
Bachgold Problem
greedy
,
implementation
,
math
,
number theory
800
x51363
748A
Santa Claus and a Place in a Class
implementation
,
math
800
x9055
747B
Mammoth's Genome Decoding
implementation
,
strings
900
x9101
747A
Display Size
brute force
,
math
800
x10410
746B
Decoding
implementation
,
strings
900
x29230
746A
Compote
implementation
,
math
800
x22103
745A
Hongcow Learns the Cyclic Shift
implementation
,
strings
900
x10586
735A
Ostap and Grasshopper
implementation
,
strings
800
x12634
734B
Anton and Digits
brute force
,
greedy
,
implementation
,
math
800
x29918
734A
Anton and Danik
implementation
,
strings
800
x164117
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x76297
731A
Night at the Museum
implementation
,
strings
800
x47885
729A
Interview with Oleg
implementation
,
strings
900
x7609
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x84094
721A
One-dimensional Japanese Crossword
implementation
800
x18735
716A
Crazy Computer
implementation
800
x22867
712A
Memory and Crow
implementation
,
math
800
x12013
711A
Bus to Udayland
brute force
,
implementation
800
x29907
710A
King Moves
implementation
800
x14034
709A
Juicer
implementation
900
x33668
707A
Brain's Photos
implementation
800
x50872
706A
Beru-taxi
brute force
,
geometry
,
implementation
900
x14700
705A
Hulk
implementation
800
x113221
703A
Mishka and Game
implementation
800
x58974
702A
Maximum Increase
dp
,
greedy
,
implementation
800
x47226
701A
Cards
greedy
,
implementation
800
x20046
697A
Pineapple Incident
implementation
,
math
900
x12952
688A
Opponents
implementation
800
x14124
686A
Free Ice Cream
constructive algorithms
,
implementation
800
x38970
681A
A Good Contest
implementation
800
x15799
680A
Bear and Five Cards
constructive algorithms
,
implementation
800
x12626
678A
Johny Likes Numbers
implementation
,
math
800
x13595
677A
Vanya and Fence
implementation
800
x151887
676A
Nicholas and Permutation
constructive algorithms
,
implementation
800
x13971
673A
Bear and Game
implementation
800
x10266
672A
Summer Camp
implementation
800
x15821
670A
Holidays
brute force
,
constructive algorithms
,
greedy
,
math
900
x17333
669A
Little Artem and Presents
math
800
x11020
664A
Complicated GCD
math
,
number theory
800
x18912
658A
Bear and Reverse Radewoosh
implementation
800
x7184
653A
Bear and Three Balls
brute force
,
implementation
,
sortings
900
x8326
648B
Собери стол
constructive algorithms
,
sortings
800
x1705
648A
Наибольший подъем
constructive algorithms
,
implementation
900
x802
631A
Interview
brute force
,
implementation
900
x9405
630A
Again Twenty Five!
number theory
800
x74276
629A
Far Relative’s Birthday Cake
brute force
,
combinatorics
,
constructive algorithms
,
implementation
800
x13737
624A
Save Luke
math
800
x10583
622B
The Time
implementation
900
x9857
621A
Wet Shark and Odd and Even
implementation
900
x21131
620A
Professor GukiZ's Robot
implementation
,
math
800
x13503
618A
Slime Combining
implementation
800
x8457
617A
Elephant
math
800
x201039
616A
Comparing Two Long Integers
implementation
,
strings
900
x10091
615A
Bulbs
implementation
800
x17843
611A
New Year and Days
implementation
900
x11740
609A
USB Flash Drives
greedy
,
implementation
,
sortings
800
x17920
599A
Patrick and Shopping
implementation
800
x29606
598A
Tricky Sum
math
900
x27731
595A
Vitaly and Night
constructive algorithms
,
implementation
800
x14755
591A
Wizards' Duel
implementation
,
math
900
x14825
588A
Duff and Meat
greedy
900
x23221
586A
Alena's Schedule
implementation
900
x10271
581A
Vasya the Hipster
implementation
,
math
800
x74610
580A
Kefa and First Steps
brute force
,
dp
,
implementation
900
x91971
572A
Arrays
sortings
900
x16872
567A
Lineland Mail
greedy
,
implementation
900
x33283
556A
Case of the Zeros and Ones
greedy
900
x41440
554A
Kyoya and Photobooks
brute force
,
math
,
strings
900
x13527
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x16627
549A
Face Detection
implementation
,
strings
900
x9590
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x196268
545A
Toy Cars
implementation
900
x11720
540A
Combination Lock
implementation
800
x33292
520A
Pangram
implementation
,
strings
800
x104680
519A
A and B and Chess
implementation
900
x19258
513A
Game
constructive algorithms
,
math
800
x20763
510A
Fox And Snake
implementation
800
x89104
509A
Maximum in Table
brute force
,
implementation
800
x39266
501A
Contest
implementation
900
x23214
496A
Minimum Difficulty
brute force
,
implementation
,
math
900
x16633
492A
Vanya and Cubes
implementation
800
x53485
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x62015
486A
Calculating Function
implementation
,
math
800
x127494
474A
Keyboard
implementation
900
x47697
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x62761
469A
I Wanna Be the Guy
greedy
,
implementation
800
x103357
←
1
2
...
9
10
11
12
13
→
User lists
Name