Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Rayan
→ Pay attention
Before contest
Codeforces Round (Div. 1)
3 days
Register now »
*has extra registration
Before contest
Codeforces Round (Div. 2)
3 days
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
50A
Domino piling
greedy
,
math
800
x265115
49E
Common ancestor
dp
2300
x700
49D
Game
brute force
,
dp
,
implementation
1800
x1945
49C
Disposition
constructive algorithms
,
math
1700
x1737
49B
Sum
math
1500
x2530
49A
Sleuth
implementation
800
x13840
48H
Black and White
constructive algorithms
2800
x155
48G
Galaxy Union
dp
,
trees
,
two pointers
2700
x280
48F
Snow sellers
greedy
,
sortings
2800
x176
48E
Ivan the Fool VS Gorynych the Dragon
dp
,
games
,
graphs
2100
x610
48D
Permutations
greedy
1500
x2651
48C
The Race
math
1800
x791
48B
Land Lot
brute force
,
implementation
1200
x2759
48A
Rock-paper-scissors
implementation
,
schedules
900
x6484
47E
Cannon
data structures
,
geometry
,
sortings
2200
x394
47D
Safe
brute force
2200
x846
47C
Crossword
implementation
2000
x797
47B
Coins
implementation
1200
x14572
47A
Triangular numbers
brute force
,
math
800
x15777
46G
Emperor's Problem
geometry
2500
x123
46F
Hercule Poirot Problem
dsu
,
graphs
2300
x339
46E
Comb
data structures
,
dp
1900
x1016
46D
Parking Lot
data structures
,
implementation
1800
x1005
46C
Hamsters and Tigers
two pointers
1600
x2540
46B
T-shirts from Sponsor
implementation
1100
x3755
46A
Ball Game
brute force
,
implementation
800
x9063
45J
Planting Trees
constructive algorithms
1800
x969
45I
TCMCF+++
greedy
1400
x2539
45H
Road Problem
graphs
2100
x199
45G
Prime Problem
number theory
2200
x1084
45F
Goats and Wolves
greedy
2500
x151
45E
Director
constructive algorithms
,
greedy
2000
x557
45D
Event Dates
greedy
,
meet-in-the-middle
,
sortings
1900
x1730
45C
Dancing Lessons
data structures
1900
x952
45B
School
dp
,
dsu
2200
x290
45A
Codecraft III
implementation
900
x7075
44J
Triminoes
constructive algorithms
,
greedy
2000
x582
44I
Toys
brute force
,
combinatorics
2300
x204
44H
Phone Number
dp
1700
x1777
44G
Shooting Gallery
data structures
,
implementation
2500
x443
44F
BerPaint
geometry
,
graphs
2700
x71
44E
Anfisa the Monkey
dp
1400
x5388
44D
Hyperdrive
math
1800
x730
44C
Holidays
implementation
1300
x3565
44B
Cola
implementation
1500
x2068
44A
Indian Summer
implementation
900
x12421
43E
Race
brute force
,
implementation
,
two pointers
2300
x405
43D
Journey
brute force
,
constructive algorithms
,
implementation
2000
x1130
43C
Lucky Tickets
greedy
1300
x4387
43B
Letter
implementation
,
strings
1100
x17821
43A
Football
strings
1000
x60022
42E
Baldman and the military
dfs and similar
,
graphs
,
trees
2700
x211
42D
Strange town
constructive algorithms
,
math
2300
x419
42C
Safe cracking
brute force
,
constructive algorithms
2200
x495
42B
Game of chess unfinished
implementation
1700
x962
42A
Guilty --- to the kitchen!
greedy
,
implementation
1400
x2910
41E
3-cycles
constructive algorithms
,
graphs
,
greedy
1900
x2002
41D
Pawn
dp
1900
x2542
41C
Email address
expression parsing
,
implementation
1300
x3848
41B
Martian Dollar
brute force
1400
x4167
41A
Translation
implementation
,
strings
800
x158070
40E
Number Table
combinatorics
2500
x695
40D
Interesting Sequence
math
2600
x145
40C
Berland Square
implementation
,
math
2300
x259
40B
Repaintings
math
1600
x1198
40A
Find Color
constructive algorithms
,
geometry
,
implementation
,
math
1300
x4127
39K
Testing
2600
x88
39J
Spelling Check
hashing
,
implementation
,
strings
1500
x3085
39I
Tram
2500
x145
39H
Multiplication Table
implementation
1300
x2834
39G
Inverse Function
implementation
2400
x135
39F
Pacifist frogs
implementation
1300
x1625
39E
What Has Dirichlet Got to Do with That?
dp
,
games
2000
x899
39D
Cubical Planet
math
1100
x4112
39C
Moon Craters
dp
,
sortings
2100
x625
39B
Company Income Growth
greedy
1300
x2756
39A
C*++ Calculations
expression parsing
,
greedy
2000
x722
38H
The Great Marathon
dp
2400
x321
38G
Queue
data structures
2300
x720
38F
Smart Boy
dp
,
games
,
strings
2100
x403
38E
Let's Go Rolling!
dp
,
sortings
1800
x2669
38D
Vasya the Architect
implementation
1900
x560
38C
Blinds
brute force
1400
x2305
38B
Chess
brute force
,
implementation
,
math
1200
x3646
38A
Army
implementation
800
x22226
37E
Trial for Chief
graphs
,
greedy
,
shortest paths
2600
x634
37D
Lesson Timetable
combinatorics
,
dp
,
math
2300
x428
37C
Old Berland Language
data structures
,
greedy
,
trees
1900
x1770
37B
Computer Game
greedy
,
implementation
1800
x978
37A
Towers
sortings
1000
x25257
36E
Two Paths
constructive algorithms
,
dsu
,
graphs
,
implementation
2600
x554
36D
New Game with a Chess Piece
games
2300
x723
36C
Bowls
geometry
,
implementation
2200
x342
36B
Fractal
implementation
1600
x1573
36A
Extra-terrestrial Intelligence
implementation
1300
x3085
35E
Parade
data structures
,
sortings
2100
x772
35D
Animals
dp
,
greedy
1700
x3494
35C
Fire Again
brute force
,
dfs and similar
,
shortest paths
1500
x7233
35B
Warehouse
implementation
1700
x1040
35A
Shell Game
implementation
1000
x6940
←
1
2
...
99
100
101
102
103
→
User lists
Name