Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Codeforces functionality may be limited from
June 18, 19:00 (UTC)
to
June 19, 3:00 AM (UTC)
due to technical maintenance. Polygon will work as usual.
×
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
49E
Common ancestor
dp
2300
x651
49D
Game
brute force
,
dp
,
implementation
1800
x1851
49C
Disposition
constructive algorithms
,
math
1700
x1657
49B
Sum
math
1500
x2409
49A
Sleuth
implementation
800
x13015
48H
Black and White
constructive algorithms
2800
x137
48G
Galaxy Union
dp
,
trees
,
two pointers
2700
x255
48F
Snow sellers
greedy
,
sortings
2800
x140
48E
Ivan the Fool VS Gorynych the Dragon
dp
,
games
,
graphs
2100
x566
48D
Permutations
greedy
1500
x2426
48C
The Race
math
1800
x761
48B
Land Lot
brute force
,
implementation
1200
x2626
48A
Rock-paper-scissors
implementation
,
schedules
900
x5743
47E
Cannon
data structures
,
geometry
,
sortings
2200
x358
47D
Safe
brute force
2200
x753
47C
Crossword
implementation
2000
x756
47B
Coins
implementation
1200
x13220
47A
Triangular numbers
brute force
,
math
800
x14445
46G
Emperor's Problem
geometry
2500
x110
46F
Hercule Poirot Problem
dsu
,
graphs
2300
x311
46E
Comb
data structures
,
dp
1900
x929
46D
Parking Lot
data structures
,
implementation
1800
x962
46C
Hamsters and Tigers
two pointers
1600
x2279
46B
T-shirts from Sponsor
implementation
1100
x3574
46A
Ball Game
brute force
,
implementation
800
x8432
45J
Planting Trees
constructive algorithms
1800
x917
45I
TCMCF+++
greedy
1400
x2327
45H
Road Problem
graphs
2100
x177
45G
Prime Problem
number theory
2200
x1002
45F
Goats and Wolves
greedy
2500
x126
45E
Director
constructive algorithms
,
greedy
2000
x527
45D
Event Dates
greedy
,
meet-in-the-middle
,
sortings
1900
x1610
45C
Dancing Lessons
data structures
1900
x862
45B
School
dp
,
dsu
2200
x269
45A
Codecraft III
implementation
900
x6438
44J
Triminoes
constructive algorithms
,
greedy
2000
x557
44I
Toys
brute force
,
combinatorics
2300
x184
44H
Phone Number
dp
1700
x1688
44G
Shooting Gallery
data structures
,
implementation
2500
x370
44F
BerPaint
geometry
,
graphs
2700
x65
44E
Anfisa the Monkey
dp
1400
x4898
44D
Hyperdrive
math
1800
x695
44C
Holidays
implementation
1300
x3243
44B
Cola
implementation
1500
x1916
44A
Indian Summer
implementation
900
x9750
43E
Race
brute force
,
implementation
,
two pointers
2300
x383
43D
Journey
brute force
,
constructive algorithms
,
implementation
2000
x1059
43C
Lucky Tickets
greedy
1300
x4171
43B
Letter
implementation
,
strings
1100
x15908
43A
Football
strings
1000
x53201
42E
Baldman and the military
dfs and similar
,
graphs
,
trees
2700
x197
42D
Strange town
constructive algorithms
,
math
2300
x390
42C
Safe cracking
brute force
,
constructive algorithms
2200
x457
42B
Game of chess unfinished
implementation
1700
x927
42A
Guilty --- to the kitchen!
greedy
,
implementation
1400
x2771
41E
3-cycles
constructive algorithms
,
graphs
,
greedy
1900
x1910
41D
Pawn
dp
1900
x2209
41C
Email address
expression parsing
,
implementation
1300
x3662
41B
Martian Dollar
brute force
1400
x3901
41A
Translation
implementation
,
strings
800
x137462
40E
Number Table
combinatorics
2500
x659
40D
Interesting Sequence
math
2600
x128
40C
Berland Square
implementation
,
math
2300
x243
40B
Repaintings
math
1600
x1126
40A
Find Color
constructive algorithms
,
geometry
,
implementation
,
math
1300
x3916
39K
Testing
2600
x84
39J
Spelling Check
hashing
,
implementation
,
strings
1500
x2846
39I
Tram
2500
x124
39H
Multiplication Table
implementation
1300
x2629
39G
Inverse Function
implementation
2400
x125
39F
Pacifist frogs
implementation
1300
x1509
39E
What Has Dirichlet Got to Do with That?
dp
,
games
2000
x859
39D
Cubical Planet
math
1100
x3792
39C
Moon Craters
dp
,
sortings
2100
x572
39B
Company Income Growth
greedy
1300
x2580
39A
C*++ Calculations
expression parsing
,
greedy
2000
x658
38H
The Great Marathon
dp
2400
x267
38G
Queue
data structures
2300
x684
38F
Smart Boy
dp
,
games
,
strings
2100
x379
38E
Let's Go Rolling!
dp
,
sortings
1800
x2514
38D
Vasya the Architect
implementation
1900
x479
38C
Blinds
brute force
1400
x2100
38B
Chess
brute force
,
implementation
,
math
1200
x3431
38A
Army
implementation
800
x20674
37E
Trial for Chief
graphs
,
greedy
,
shortest paths
2600
x590
37D
Lesson Timetable
combinatorics
,
dp
,
math
2300
x390
37C
Old Berland Language
data structures
,
greedy
,
trees
1900
x1574
37B
Computer Game
greedy
,
implementation
1800
x872
37A
Towers
sortings
1000
x23788
36E
Two Paths
constructive algorithms
,
dsu
,
graphs
,
implementation
2600
x500
36D
New Game with a Chess Piece
games
2300
x681
36C
Bowls
geometry
,
implementation
2200
x330
36B
Fractal
implementation
1600
x1442
36A
Extra-terrestrial Intelligence
implementation
1300
x2918
35E
Parade
data structures
,
sortings
2100
x707
35D
Animals
dp
,
greedy
1700
x3185
35C
Fire Again
brute force
,
dfs and similar
,
shortest paths
1500
x6516
35B
Warehouse
implementation
1700
x995
35A
Shell Game
implementation
1000
x6664
34E
Collisions
brute force
,
implementation
,
math
2000
x568
←
1
2
...
90
91
92
93
94
→
→ Pay attention
Before contest
Codeforces Round 954 (Div. 3)
5 days
→ 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
User lists
Name