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!)
11:13:16
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
44E
Anfisa the Monkey
dp
1400
x5199
44D
Hyperdrive
math
1800
x716
44C
Holidays
implementation
1300
x3493
44B
Cola
implementation
1500
x2013
44A
Indian Summer
implementation
900
x11432
43E
Race
brute force
,
implementation
,
two pointers
2300
x396
43D
Journey
brute force
,
constructive algorithms
,
implementation
2000
x1091
43C
Lucky Tickets
greedy
1300
x4289
43B
Letter
implementation
,
strings
1100
x17055
43A
Football
strings
1000
x57220
42E
Baldman and the military
dfs and similar
,
graphs
,
trees
2700
x206
42D
Strange town
constructive algorithms
,
math
2300
x412
42C
Safe cracking
brute force
,
constructive algorithms
2200
x488
42B
Game of chess unfinished
implementation
1700
x957
42A
Guilty --- to the kitchen!
greedy
,
implementation
1400
x2860
41E
3-cycles
constructive algorithms
,
graphs
,
greedy
1900
x1978
41D
Pawn
dp
1900
x2444
41C
Email address
expression parsing
,
implementation
1300
x3772
41B
Martian Dollar
brute force
1400
x4056
41A
Translation
implementation
,
strings
800
x148874
40E
Number Table
combinatorics
2500
x685
40D
Interesting Sequence
math
2600
x142
40C
Berland Square
implementation
,
math
2300
x253
40B
Repaintings
math
1600
x1173
40A
Find Color
constructive algorithms
,
geometry
,
implementation
,
math
1300
x4059
39K
Testing
2600
x86
39J
Spelling Check
hashing
,
implementation
,
strings
1500
x3006
39I
Tram
2500
x143
39H
Multiplication Table
implementation
1300
x2777
39G
Inverse Function
implementation
2400
x130
39F
Pacifist frogs
implementation
1300
x1576
39E
What Has Dirichlet Got to Do with That?
dp
,
games
2000
x884
39D
Cubical Planet
math
1100
x4008
39C
Moon Craters
dp
,
sortings
2100
x605
39B
Company Income Growth
greedy
1300
x2684
39A
C*++ Calculations
expression parsing
,
greedy
2000
x705
38H
The Great Marathon
dp
2400
x306
38G
Queue
data structures
2300
x709
38F
Smart Boy
dp
,
games
,
strings
2100
x392
38E
Let's Go Rolling!
dp
,
sortings
1800
x2589
38D
Vasya the Architect
implementation
1900
x500
38C
Blinds
brute force
1400
x2186
38B
Chess
brute force
,
implementation
,
math
1200
x3547
38A
Army
implementation
800
x21513
37E
Trial for Chief
graphs
,
greedy
,
shortest paths
2600
x622
37D
Lesson Timetable
combinatorics
,
dp
,
math
2300
x419
37C
Old Berland Language
data structures
,
greedy
,
trees
1900
x1735
37B
Computer Game
greedy
,
implementation
1800
x926
37A
Towers
sortings
1000
x24636
36E
Two Paths
constructive algorithms
,
dsu
,
graphs
,
implementation
2600
x534
36D
New Game with a Chess Piece
games
2300
x710
36C
Bowls
geometry
,
implementation
2200
x340
36B
Fractal
implementation
1600
x1515
36A
Extra-terrestrial Intelligence
implementation
1300
x3026
35E
Parade
data structures
,
sortings
2100
x751
35D
Animals
dp
,
greedy
1700
x3369
35C
Fire Again
brute force
,
dfs and similar
,
shortest paths
1500
x6934
35B
Warehouse
implementation
1700
x1022
35A
Shell Game
implementation
1000
x6848
34E
Collisions
brute force
,
implementation
,
math
2000
x592
34D
Road Map
dfs and similar
,
graphs
1600
x5228
34C
Page Numbers
expression parsing
,
implementation
,
sortings
,
strings
1300
x4257
34B
Sale
greedy
,
sortings
900
x53228
34A
Reconnaissance 2
implementation
800
x30118
33E
Helper
2600
x131
33D
Knights
geometry
,
graphs
,
shortest paths
,
sortings
2000
x1216
33C
Wonderful Randomized Sum
greedy
1800
x3028
33B
String Problem
shortest paths
1800
x4605
33A
What is for dinner?
greedy
,
implementation
1200
x4122
32E
Hide-and-Seek
geometry
,
implementation
2400
x337
32D
Constellation
implementation
1600
x1289
32C
Flea
math
1700
x2176
32B
Borze
expression parsing
,
implementation
800
x64770
32A
Reconnaissance
brute force
800
x12649
31E
TV Game
dp
2400
x1105
31D
Chocolate
dfs and similar
,
implementation
2000
x1048
31C
Schedule
implementation
1700
x1828
31B
Sysadmin Bob
greedy
,
implementation
,
strings
1500
x4348
31A
Worms Evolution
implementation
1200
x10409
30E
Tricky and Clever Password
binary search
,
constructive algorithms
,
data structures
,
greedy
,
hashing
,
strings
2800
x744
30D
King's Problem?
geometry
,
greedy
2600
x453
30C
Shooting Gallery
dp
,
probabilities
1800
x1975
30B
Codeforces World Finals
implementation
1700
x1205
30A
Accounting
brute force
,
math
1400
x3485
29E
Quarrel
graphs
,
shortest paths
2400
x928
29D
Ant on the Tree
constructive algorithms
,
dfs and similar
,
trees
2000
x2482
29C
Mail Stamps
data structures
,
dfs and similar
,
graphs
,
implementation
1700
x5008
29B
Traffic Lights
implementation
1500
x2995
29A
Spit Problem
brute force
1000
x7126
28E
DravDe saves the world
geometry
,
math
2800
x91
28D
Don't fear, DravDe is kind
binary search
,
data structures
,
dp
,
hashing
2400
x617
28C
Bath Queue
combinatorics
,
dp
,
probabilities
2200
x1058
28B
pSort
dfs and similar
,
dsu
,
graphs
1600
x4722
28A
Bender Problem
implementation
1600
x801
27E
Number With The Given Amount Of Divisors
brute force
,
dp
,
number theory
2000
x4255
27D
Ring Road 2
2-sat
,
dfs and similar
,
dsu
,
graphs
2200
x2550
27C
Unordered Subsequence
constructive algorithms
,
greedy
1900
x2814
27B
Tournament
bitmasks
,
brute force
,
dfs and similar
,
greedy
1300
x5384
27A
Next Test
implementation
,
sortings
1200
x20489
26E
Multithreading
constructive algorithms
2400
x376
←
1
2
...
94
95
96
97
98
→
User lists
Name