Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)
36:08:35
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
math
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
1610A
Anti Light's Cell Guessing
math
900
x15704
1669H
Maximal AND
bitmasks
,
greedy
,
math
1300
x15696
1862D
Ice Cream Balls
binary search
,
combinatorics
,
constructive algorithms
,
math
1300
x15694
1312C
Adding Powers
bitmasks
,
greedy
,
implementation
,
math
,
number theory
,
ternary search
1400
x15689
570B
Simple Game
constructive algorithms
,
games
,
greedy
,
implementation
,
math
1300
x15686
1838B
Minimize Permutation Subarrays
constructive algorithms
,
math
1100
x15673
1822D
Super-Permutation
constructive algorithms
,
math
1200
x15669
1671C
Dolce Vita
binary search
,
brute force
,
greedy
,
math
1200
x15605
1934B
Yet Another Coin Problem
brute force
,
dp
,
greedy
,
math
1200
x15545
1900B
Laura and Operations
dp
,
math
900
x15518
1592B
Hemose Shopping
constructive algorithms
,
dsu
,
math
,
sortings
1200
x15491
1203B
Equal Rectangles
greedy
,
math
1200
x15479
1612C
Chat Ban
binary search
,
math
1300
x15453
1225A
Forgetting Things
math
900
x15446
1909A
Distinct Buttons
implementation
,
math
800
x15429
1634B
Fortune Telling
bitmasks
,
math
1400
x15404
898A
Rounding
implementation
,
math
800
x15399
1443B
Saving the City
dp
,
greedy
,
math
,
sortings
1300
x15396
1826B
Lunatic Never Content
math
,
number theory
1100
x15302
659A
Round House
implementation
,
math
1000
x15285
1354C1
Simple Polygon Embedding
binary search
,
geometry
,
math
,
ternary search
1400
x15270
1490F
Equalize the Array
binary search
,
data structures
,
greedy
,
math
,
sortings
1500
x15252
1303B
National Project
math
1400
x15240
1842B
Tenzing and Books
bitmasks
,
greedy
,
math
1100
x15214
1320A
Journey Planning
data structures
,
dp
,
greedy
,
math
,
sortings
1400
x15201
1326C
Permutation Partitions
combinatorics
,
greedy
,
math
1300
x15173
1891B
Deja Vu
brute force
,
math
,
sortings
1100
x15172
1823B
Sort with Step
brute force
,
math
,
sortings
900
x15168
552B
Vanya and Books
implementation
,
math
1200
x15156
1104A
Splitting into digits
constructive algorithms
,
implementation
,
math
800
x15139
1344A
Hilbert's Hotel
math
,
number theory
,
sortings
1600
x15131
1628A
Meximum Array
binary search
,
constructive algorithms
,
greedy
,
implementation
,
math
,
two pointers
1400
x15082
1763A
Absolute Maximization
bitmasks
,
constructive algorithms
,
greedy
,
math
800
x15078
1793B
Fedya and Array
constructive algorithms
,
math
1100
x15075
1615B
And It's Non-Zero
bitmasks
,
greedy
,
math
1300
x15012
1260B
Obtain Two Zeroes
binary search
,
math
1300
x14997
1931D
Divisible Pairs
combinatorics
,
math
,
number theory
1300
x14993
1445B
Elimination
greedy
,
math
900
x14990
804A
Find Amir
constructive algorithms
,
greedy
,
math
1000
x14986
1846E1
Rudolf and Snowflakes (simple version)
brute force
,
implementation
,
math
1300
x14935
1714E
Add Modulo 10
brute force
,
math
,
number theory
1400
x14930
650A
Watchmen
data structures
,
geometry
,
math
1400
x14903
1415A
Prison Break
brute force
,
math
800
x14892
1691C
Sum of Substrings
brute force
,
constructive algorithms
,
greedy
,
math
,
strings
1400
x14876
1946B
Maximum Sum
dp
,
greedy
,
math
1100
x14863
1165D
Almost All Divisors
math
,
number theory
1600
x14863
1886B
Fear of the Dark
binary search
,
geometry
,
math
1200
x14852
1447B
Numbers Box
greedy
,
math
1000
x14833
1764B
Doremy's Perfect Math Class
math
,
number theory
900
x14813
1781A
Parallel Projection
geometry
,
math
800
x14812
17A
Noldbach problem
brute force
,
math
,
number theory
1000
x14810
1419C
Killjoy
greedy
,
implementation
,
math
1500
x14800
1266A
Competitive Programmer
chinese remainder theorem
,
math
1000
x14800
1152A
Neko Finds Grapes
greedy
,
implementation
,
math
800
x14777
675A
Infinite Sequence
math
1100
x14711
1107B
Digital root
math
,
number theory
1000
x14705
950A
Left-handers, Right-handers and Ambidexters
implementation
,
math
800
x14684
1772D
Absolute Sorting
constructive algorithms
,
math
1400
x14637
1844C
Particles
dp
,
greedy
,
implementation
,
math
1300
x14596
1271A
Suits
brute force
,
greedy
,
math
800
x14594
1217A
Creating a Character
binary search
,
math
1300
x14589
1738B
Prefix Sum Addicts
constructive algorithms
,
greedy
,
math
,
sortings
1200
x14574
1584A
Mathematical Addition
math
800
x14567
1413A
Finding Sasuke
constructive algorithms
,
math
800
x14563
221A
Little Elephant and Function
implementation
,
math
1000
x14554
1637B
MEX and Array
brute force
,
dp
,
greedy
,
math
1100
x14546
1726B
Mainak and Interesting Sequence
bitmasks
,
constructive algorithms
,
math
1100
x14529
1065A
Vasya and Chocolate
implementation
,
math
800
x14507
1110A
Parity
math
900
x14501
1185A
Ropewalkers
math
800
x14499
1391C
Cyclic Permutations
combinatorics
,
dp
,
graphs
,
math
1500
x14483
1016A
Death Note
greedy
,
implementation
,
math
900
x14482
1149A
Prefix Sum Primes
constructive algorithms
,
greedy
,
math
,
number theory
1200
x14459
84A
Toy Army
math
,
number theory
900
x14432
1282A
Temporarily unavailable
implementation
,
math
900
x14414
1519D
Maximum Sum of Products
brute force
,
dp
,
implementation
,
math
,
two pointers
1600
x14412
1187A
Stickers and Toys
math
900
x14408
1863B
Split Sort
greedy
,
math
,
sortings
1100
x14381
1104B
Game with string
data structures
,
implementation
,
math
1200
x14364
1452B
Toy Blocks
binary search
,
greedy
,
math
,
sortings
1400
x14357
1617C
Paprika and Permutation
binary search
,
greedy
,
math
,
sortings
1300
x14347
1834B
Maximum Strength
greedy
,
math
1000
x14311
1417B
Two Arrays
greedy
,
math
,
sortings
1100
x14295
1732A
Bestie
brute force
,
combinatorics
,
constructive algorithms
,
implementation
,
math
,
number theory
1000
x14293
1690E
Price Maximization
binary search
,
greedy
,
math
,
two pointers
1500
x14292
761A
Dasha and Stairs
brute force
,
constructive algorithms
,
implementation
,
math
1000
x14277
1397B
Power Sequence
brute force
,
math
,
number theory
,
sortings
1500
x14266
1638C
Inversion Graph
data structures
,
dsu
,
graphs
,
math
1300
x14265
1106C
Lunar New Year and Number Division
greedy
,
implementation
,
math
,
sortings
900
x14239
1667A
Make it Increasing
brute force
,
greedy
,
math
1300
x14208
1808B
Playing in a Casino
math
,
sortings
1200
x14202
1066A
Vova and Train
math
1100
x14183
1266B
Dice Tower
constructive algorithms
,
math
1000
x14165
1422B
Nice Matrix
greedy
,
implementation
,
math
1300
x14123
1573B
Swaps
greedy
,
math
,
sortings
1400
x14103
1851D
Prefix Permutation Sums
implementation
,
math
1300
x14081
47A
Triangular numbers
brute force
,
math
800
x14061
1260A
Heating
math
1000
x14043
1825B
LuoTianyi and the Table
greedy
,
math
1000
x14037
527A
Playing with Paper
implementation
,
math
1100
x14026
←
1
2
...
5
6
7
8
9
...
27
28
→
User lists
Name