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!)
30:50:02
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
283A
Cows and Sequence
constructive algorithms
,
data structures
,
implementation
1600
x6585
272D
Dima and Two Sequences
combinatorics
,
math
,
sortings
1600
x2629
269A
Magical Boxes
greedy
,
math
1600
x3535
260B
Ancient Prophesy
brute force
,
implementation
,
strings
1600
x3828
253C
Text Editor
data structures
,
dfs and similar
,
graphs
,
greedy
,
shortest paths
1600
x2616
250C
Movie Critics
greedy
1600
x1951
246D
Colorful Graph
brute force
,
dfs and similar
,
graphs
1600
x9482
246C
Beauty Pageant
brute force
,
constructive algorithms
,
greedy
1600
x2636
244B
Undoubtedly Lucky Numbers
bitmasks
,
brute force
,
dfs and similar
1600
x4513
243A
The Brand New Function
bitmasks
1600
x3952
237C
Primes on Interval
binary search
,
number theory
,
two pointers
1600
x5835
235A
LCM Challenge
number theory
1600
x17950
234G
Practice
constructive algorithms
,
divide and conquer
,
implementation
1600
x1480
234E
Champions' League
implementation
1600
x1002
234D
Cinema
implementation
1600
x1541
232A
Cycles
binary search
,
constructive algorithms
,
graphs
,
greedy
1600
x2549
231D
Magic Box
brute force
,
geometry
1600
x4109
231C
To Add or Not to Add
binary search
,
sortings
,
two pointers
1600
x8684
225B
Well-known Numbers
binary search
,
greedy
,
number theory
1600
x3163
219C
Color Stripe
brute force
,
dp
,
greedy
1600
x6677
214B
Hometask
brute force
,
constructive algorithms
,
greedy
,
math
1600
x4984
209A
Multicolored Marbles
dp
,
math
1600
x2373
207D7
The Beaver's Problem - 3
1600
x101
207D5
The Beaver's Problem - 3
1600
x142
207B1
Military Trainings
1600
x280
207A1
Beaver's Calculator 1.0
greedy
1600
x296
197A
Plate Game
constructive algorithms
,
games
,
math
1600
x6359
188G
Array Sorting
*special problem
,
implementation
1600
x334
178C1
Smart Beaver and Resolving Collisions
1600
x492
178B2
Greedy Merchants
1600
x683
178B1
Greedy Merchants
1600
x765
175C
Geometry Horse
greedy
,
implementation
,
sortings
,
two pointers
1600
x1320
171G
Mysterious numbers - 2
*special problem
1600
x933
171F
ucyhf
*special problem
,
brute force
,
implementation
,
number theory
1600
x1284
167A
Wizards and Trolleybuses
implementation
,
math
1600
x2044
165C
Another Problem on Strings
binary search
,
brute force
,
dp
,
math
,
strings
,
two pointers
1600
x12363
156B
Suspects
constructive algorithms
,
data structures
,
implementation
1600
x2234
154B
Colliders
math
,
number theory
1600
x4761
154A
Hometask
greedy
1600
x4065
153A
A + B
*special problem
1600
x822
150B
Quantity of Strings
combinatorics
,
dfs and similar
,
graphs
,
math
1600
x4214
149B
Martian Clock
implementation
1600
x2264
142A
Help Farmer
brute force
,
math
1600
x2628
139B
Wallpaper
implementation
,
math
1600
x1311
138A
Literature Lesson
implementation
1600
x2395
135B
Rectangle and Square
brute force
,
geometry
,
math
1600
x2361
131D
Subway
dfs and similar
,
graphs
1600
x4701
130H
Balanced brackets
*special problem
1600
x605
130F
Prime factorization
*special problem
1600
x278
130E
Tribonacci numbers
*special problem
1600
x296
125C
Hobbits' Party
constructive algorithms
,
greedy
1600
x932
113A
Grammar Lessons
implementation
,
strings
1600
x2304
107B
Basketball Team
combinatorics
,
dp
,
math
,
probabilities
1600
x3507
100E
Lamps in a Line
*special problem
,
math
1600
x273
95A
Hockey
implementation
,
strings
1600
x1681
86A
Reflection
math
1600
x1392
75C
Modified GCD
binary search
,
number theory
1600
x12883
73A
The Elder Trolls IV: Oblivon
greedy
,
math
1600
x1356
72H
Reverse It!
*special problem
,
implementation
1600
x267
71C
Round Table Knights
dp
,
math
,
number theory
1600
x6563
70B
Text Messaging
expression parsing
,
greedy
,
strings
1600
x1780
68B
Energy exchange
binary search
1600
x4662
64C
Table
*special problem
,
greedy
,
implementation
,
math
1600
x339
59C
Title
expression parsing
1600
x2111
57B
Martian Architecture
implementation
1600
x1022
55B
Smallest number
brute force
1600
x2876
52B
Right Triangles
combinatorics
1600
x2073
46C
Hamsters and Tigers
two pointers
1600
x2457
40B
Repaintings
math
1600
x1173
36B
Fractal
implementation
1600
x1515
34D
Road Map
dfs and similar
,
graphs
1600
x5225
32D
Constellation
implementation
1600
x1289
28B
pSort
dfs and similar
,
dsu
,
graphs
1600
x4720
28A
Bender Problem
implementation
1600
x801
23B
Party
constructive algorithms
,
graphs
,
math
1600
x3378
11B
Jumping Jack
math
1600
x4743
7B
Memory Manager
implementation
1600
x2616
1B
Spreadsheet
implementation
,
math
1600
x22938
←
1
2
3
4
5
→
User lists
Name