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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
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Problems
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Status
Standings
Custom test
Problems
#
Name
769A
Year of University Entrance
*special problem
,
implementation
,
sortings
800
x5628
764A
Taymyr is calling you
brute force
,
implementation
,
math
800
x16144
760A
Petr and a calendar
implementation
,
math
800
x7836
758A
Holiday Of Equality
implementation
,
math
800
x59046
755A
PolandBall and Hypothesis
brute force
,
graphs
,
math
,
number theory
800
x17768
750A
New Year and Hurry
binary search
,
brute force
,
implementation
,
math
800
x73044
749A
Bachgold Problem
greedy
,
implementation
,
math
,
number theory
800
x47824
748A
Santa Claus and a Place in a Class
implementation
,
math
800
x8677
747A
Display Size
brute force
,
math
800
x10100
746A
Compote
implementation
,
math
800
x21114
735A
Ostap and Grasshopper
implementation
,
strings
800
x12370
734B
Anton and Digits
brute force
,
greedy
,
implementation
,
math
800
x28950
734A
Anton and Danik
implementation
,
strings
800
x145365
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x69679
731A
Night at the Museum
implementation
,
strings
800
x44380
723A
The New Year: Meeting Friends
implementation
,
math
,
sortings
800
x74291
721A
One-dimensional Japanese Crossword
implementation
800
x18268
716A
Crazy Computer
implementation
800
x21934
712A
Memory and Crow
implementation
,
math
800
x11573
711A
Bus to Udayland
brute force
,
implementation
800
x29072
710A
King Moves
implementation
800
x13672
707A
Brain's Photos
implementation
800
x47844
705A
Hulk
implementation
800
x102423
703A
Mishka and Game
implementation
800
x54945
702A
Maximum Increase
dp
,
greedy
,
implementation
800
x43323
701A
Cards
greedy
,
implementation
800
x19349
688A
Opponents
implementation
800
x13846
686A
Free Ice Cream
constructive algorithms
,
implementation
800
x36511
681A
A Good Contest
implementation
800
x15211
680A
Bear and Five Cards
constructive algorithms
,
implementation
800
x12261
678A
Johny Likes Numbers
implementation
,
math
800
x12694
677A
Vanya and Fence
implementation
800
x135197
676A
Nicholas and Permutation
constructive algorithms
,
implementation
800
x13718
673A
Bear and Game
implementation
800
x9981
672A
Summer Camp
implementation
800
x15172
669A
Little Artem and Presents
math
800
x10642
664A
Complicated GCD
math
,
number theory
800
x17834
658A
Bear and Reverse Radewoosh
implementation
800
x7021
648B
Собери стол
constructive algorithms
,
sortings
800
x1294
630A
Again Twenty Five!
number theory
800
x64517
629A
Far Relative’s Birthday Cake
brute force
,
combinatorics
,
constructive algorithms
,
implementation
800
x13264
624A
Save Luke
math
800
x10209
620A
Professor GukiZ's Robot
implementation
,
math
800
x12949
618A
Slime Combining
implementation
800
x8307
617A
Elephant
math
800
x176239
615A
Bulbs
implementation
800
x17047
609A
USB Flash Drives
greedy
,
implementation
,
sortings
800
x16994
599A
Patrick and Shopping
implementation
800
x28247
595A
Vitaly and Night
constructive algorithms
,
implementation
800
x14442
581A
Vasya the Hipster
implementation
,
math
800
x69022
551A
GukiZ and Contest
brute force
,
implementation
,
sortings
800
x16128
546A
Soldier and Bananas
brute force
,
implementation
,
math
800
x173427
540A
Combination Lock
implementation
800
x32042
520A
Pangram
implementation
,
strings
800
x93311
513A
Game
constructive algorithms
,
math
800
x20080
510A
Fox And Snake
implementation
800
x80045
509A
Maximum in Table
brute force
,
implementation
800
x37799
492A
Vanya and Cubes
implementation
800
x48404
490A
Team Olympiad
greedy
,
implementation
,
sortings
800
x57345
486A
Calculating Function
implementation
,
math
800
x113100
472A
Design Tutorial: Learn from Math
math
,
number theory
800
x58387
469A
I Wanna Be the Guy
greedy
,
implementation
800
x94202
467A
George and Accommodation
implementation
800
x117400
454A
Little Pony and Crystal Mine
implementation
800
x14641
448A
Rewards
implementation
800
x24048
447A
DZY Loves Hash
implementation
800
x9511
443A
Anton and Letters
constructive algorithms
,
implementation
800
x86652
440A
Forgotten Episode
implementation
800
x7205
432A
Choosing Teams
greedy
,
implementation
,
sortings
800
x58098
431A
Black Square
implementation
800
x53088
427A
Police Recruits
implementation
800
x75028
426A
Sereja and Mugs
implementation
800
x9083
421A
Pasha and Hamsters
constructive algorithms
,
implementation
800
x5845
411A
Password Check
*special problem
,
implementation
800
x7133
401A
Vanya and Cards
implementation
,
math
800
x16001
386A
Second-Price Auction
implementation
800
x6079
384A
Coder
implementation
800
x16012
381A
Sereja and Dima
greedy
,
implementation
,
two pointers
800
x62905
378A
Playing with Dice
brute force
800
x23453
363A
Soroban
implementation
800
x10617
361A
Levko and Table
constructive algorithms
,
implementation
800
x16453
344A
Magnets
implementation
800
x115549
339A
Helpful Maths
greedy
,
implementation
,
sortings
,
strings
800
x205032
330A
Cakeminator
brute force
,
implementation
800
x27950
306A
Candies
implementation
800
x6662
302A
Eugeny and Array
implementation
800
x9012
294A
Shaass and Oskols
implementation
,
math
800
x22791
291A
Spyke Talks
*special problem
,
implementation
,
sortings
800
x6032
282A
Bit++
implementation
800
x246890
281A
Word Capitalization
implementation
,
strings
800
x202411
278A
Circle Line
implementation
800
x11556
271A
Beautiful Year
brute force
800
x131873
268A
Games
brute force
800
x83514
266B
Queue at the School
constructive algorithms
,
graph matchings
,
implementation
,
shortest paths
800
x130308
266A
Stones on the Table
implementation
800
x183311
265A
Colorful Stones (Simplified Edition)
implementation
800
x35443
263A
Beautiful Matrix
implementation
800
x233190
262A
Roma and Lucky Numbers
implementation
800
x19472
255A
Greg's Workout
implementation
800
x28077
248A
Cupboards
implementation
800
x21795
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