Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
21:30:53
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
dp
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
331C1
The Great Julya Calendar
dp
1100
x6229
327E
Axis Walking
bitmasks
,
combinatorics
,
constructive algorithms
,
dp
,
meet-in-the-middle
2300
x1411
327A
Flipping Game
brute force
,
dp
,
implementation
1200
x42331
321E
Ciel and Gondolas
data structures
,
divide and conquer
,
dp
2600
x5051
321D
Ciel and Flipboard
dp
,
greedy
,
math
2900
x547
321B
Ciel and Duel
dp
,
flows
,
greedy
1900
x3125
319C
Kalila and Dimna in the Logging Industry
dp
,
geometry
2100
x5282
317D
Game with Powers
dp
,
games
2300
x1084
316D3
PE Lesson
dp
,
math
2400
x601
316D2
PE Lesson
dp
2300
x456
316D1
PE Lesson
brute force
,
dp
2300
x525
316B2
EKG
dfs and similar
,
dp
1600
x1592
314E
Sereja and Squares
dp
2900
x372
314C
Sereja and Subsequences
data structures
,
dp
2000
x1840
313D
Ilya and Roads
dp
2100
x1475
313B
Ilya and Queries
dp
,
implementation
1100
x45044
311B
Cats Transport
data structures
,
dp
2400
x3490
309B
Context Advertising
dp
,
two pointers
2100
x719
303E
Random Ranking
dp
,
math
,
probabilities
3000
x321
301E
Yaroslav and Arrangements
dp
2800
x366
300D
Painting Square
dp
,
fft
2300
x756
296B
Yaroslav and Two Strings
combinatorics
,
dp
2000
x2296
295D
Greg and Caves
combinatorics
,
dp
2400
x657
295C
Greg and Friends
combinatorics
,
dp
,
graphs
,
shortest paths
2100
x1736
295B
Greg and Graph
dp
,
graphs
,
shortest paths
1700
x14327
294E
Shaass the Great
dp
,
trees
2300
x954
294B
Shaass and Bookshelf
dp
,
greedy
1700
x4570
292D
Connected Components
data structures
,
dfs and similar
,
dp
,
dsu
1900
x2449
289B
Polo the Penguin and Matrix
brute force
,
dp
,
implementation
,
sortings
,
ternary search
1400
x17426
288E
Polo the Penguin and Lucky Numbers
dp
,
implementation
,
math
2800
x298
285E
Positions in Permutations
combinatorics
,
dp
,
math
2600
x1001
285D
Permutation Sum
bitmasks
,
combinatorics
,
dp
,
implementation
,
meet-in-the-middle
1900
x1555
283D
Cows and Cool Sequences
dp
,
math
,
number theory
2400
x543
283C
Coin Troubles
dp
2100
x1449
283B
Cow Program
dfs and similar
,
dp
,
graphs
1700
x3671
282D
Yet Another Number Game
dp
,
games
2100
x1447
280E
Sequence Transformation
brute force
,
data structures
,
dp
,
implementation
,
math
3000
x207
279E
Beautiful Decomposition
dp
,
games
,
greedy
,
number theory
1900
x1449
279D
The Minimum Number of Variables
bitmasks
,
dp
2200
x764
279C
Ladder
dp
,
implementation
,
two pointers
1700
x8290
277D
Google Code Jam
dp
,
probabilities
2800
x336
276D
Little Girl and Maximum XOR
bitmasks
,
dp
,
greedy
,
implementation
,
math
1700
x13957
274B
Zero Tree
dfs and similar
,
dp
,
greedy
,
trees
1800
x5043
273E
Dima and Game
dp
,
games
2600
x366
273D
Dima and Figure
dp
2400
x417
269D
Maximum Waterfall
data structures
,
dp
,
graphs
,
sortings
2600
x451
269B
Greenhouse Effect
dp
1700
x6345
268D
Wall Bars
dp
2300
x511
264E
Roadside Trees
data structures
,
dp
3000
x436
264D
Colorful Stones
dp
,
two pointers
2500
x422
264C
Choosing Balls
dp
2000
x2957
264B
Good Sequences
dp
,
number theory
1500
x10370
263E
Rhombus
brute force
,
data structures
,
dp
2500
x402
261E
Maxim and Calculator
brute force
,
dp
,
two pointers
2800
x416
261D
Maxim and Increasing Subsequence
dp
2600
x575
261C
Maxim and Matrix
constructive algorithms
,
dp
,
math
2000
x779
261B
Maxim and Restaurant
dp
,
math
,
probabilities
1900
x1418
258D
Little Elephant and Broken Sorting
dp
,
math
,
probabilities
2600
x1287
258C
Little Elephant and LCM
binary search
,
combinatorics
,
dp
,
math
2000
x1795
258B
Little Elephant and Elections
brute force
,
combinatorics
,
dp
1900
x1453
256D
Liars and Serge
dp
2700
x256
255C
Almost Arithmetical Progression
brute force
,
dp
1500
x4732
254E
Dormitory
dp
,
implementation
2100
x676
253B
Physics Practical
binary search
,
dp
,
sortings
,
two pointers
1400
x10811
251E
Tree and Table
dfs and similar
,
dp
,
implementation
,
trees
3000
x171
251C
Number Transformation
dp
,
greedy
,
number theory
2000
x1036
249D
Donkey and Stars
data structures
,
dp
,
geometry
,
math
,
sortings
2700
x462
248E
Piglet's Birthday
dp
,
math
,
probabilities
2600
x584
246E
Blood Cousins Return
binary search
,
data structures
,
dfs and similar
,
dp
,
sortings
2400
x3368
245H
Queries for Number of Palindromes
dp
,
hashing
,
strings
1800
x6845
243D
Cubes
data structures
,
dp
,
geometry
,
two pointers
2700
x215
238E
Meeting Her
dp
,
graphs
,
shortest paths
2600
x394
238C
World Eater Brothers
dfs and similar
,
dp
,
greedy
,
trees
2100
x1247
235E
Number Challenge
combinatorics
,
dp
,
implementation
,
math
,
number theory
2600
x779
235B
Let's Play Osu!
dp
,
math
,
probabilities
2000
x3590
234F
Fence
dp
1800
x1749
234C
Weather
dp
,
implementation
1300
x5565
232E
Quick Tortoise
bitmasks
,
divide and conquer
,
dp
3000
x697
232C
Doe Graphs
constructive algorithms
,
divide and conquer
,
dp
,
graphs
,
shortest paths
2600
x291
232B
Table
bitmasks
,
combinatorics
,
dp
,
math
1900
x1479
231E
Cactus
data structures
,
dfs and similar
,
dp
,
graphs
,
trees
2100
x1908
229E
Gifts
combinatorics
,
dp
,
math
,
probabilities
2600
x466
229D
Towers
dp
,
greedy
,
two pointers
2100
x2277
228C
Fractal Detector
dp
,
hashing
2000
x455
225C
Barcode
dp
,
matrices
1700
x9216
223B
Two Strings
data structures
,
dp
,
strings
1900
x1815
222E
Decoding Genome
dp
,
matrices
1900
x2830
219D
Choosing Capital for Treeland
dfs and similar
,
dp
,
graphs
,
trees
1700
x9645
219C
Color Stripe
brute force
,
dp
,
greedy
1600
x6677
217C
Formurosa
divide and conquer
,
dp
,
expression parsing
2600
x338
215E
Periodical Numbers
combinatorics
,
dp
,
number theory
2100
x572
213C
Relay Race
dp
2000
x2891
213B
Numbers
combinatorics
,
dp
1900
x1784
212E
IT Restaurants
dfs and similar
,
dp
,
trees
1500
x1763
212C
Cowboys
combinatorics
,
dp
,
math
2100
x389
209A
Multicolored Marbles
dp
,
math
1600
x2373
208C
Police Station
dp
,
graphs
,
shortest paths
1900
x1873
208B
Solitaire
dfs and similar
,
dp
1900
x1364
204D
Little Elephant and Retro Strings
dp
2400
x584
204A
Little Elephant and Interval
binary search
,
combinatorics
,
dp
1500
x5845
←
1
2
...
18
19
20
21
22
→
User lists
Name