Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round 952 (Div. 4)
27:45:07
Register now »
→ Filter Problems
Difficulty:
—
geometry
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
309D
Tennis Rackets
brute force
,
geometry
2700
x173
306D
Polygon
constructive algorithms
,
geometry
2300
x263
293D
Ksusha and Square
geometry
,
math
,
probabilities
,
two pointers
2700
x235
280A
Rectangle Puzzle
geometry
2000
x1447
279A
Point on Spiral
brute force
,
geometry
,
implementation
1400
x5521
277B
Set of Points
constructive algorithms
,
geometry
2300
x784
274C
The Last Hole!
brute force
,
geometry
2600
x348
270A
Fancy Fence
geometry
,
implementation
,
math
1100
x43813
269E
String Theory
geometry
,
math
,
strings
3100
x108
257C
View Angle
brute force
,
geometry
,
math
1800
x4213
250D
Building Bridge
geometry
,
ternary search
,
two pointers
1900
x878
249D
Donkey and Stars
data structures
,
dp
,
geometry
,
math
,
sortings
2700
x399
248C
Robo-Footballer
binary search
,
geometry
2000
x800
243D
Cubes
data structures
,
dp
,
geometry
,
two pointers
2700
x211
241C
Mirror Box
geometry
,
implementation
2000
x508
231D
Magic Box
brute force
,
geometry
1600
x4043
227A
Where do I Turn?
geometry
1300
x4055
224A
Parallelepiped
brute force
,
geometry
,
math
1100
x25612
223E
Planar Graph
flows
,
geometry
,
graphs
3000
x190
223D
Spider
geometry
,
graphs
3000
x69
220D
Little Elephant and Triangle
geometry
,
math
2500
x276
213D
Stars
constructive algorithms
,
geometry
2300
x335
203D
Hit Ball
geometry
,
implementation
,
math
1700
x1403
199B
Special Olympics
geometry
1900
x782
198C
Delivering Carcinogen
binary search
,
geometry
2400
x370
196C
Paint Tree
constructive algorithms
,
divide and conquer
,
geometry
,
sortings
,
trees
2200
x741
195D
Analyzing Polyline
geometry
,
math
,
sortings
1900
x1008
190B
Surrounded
geometry
1800
x2796
183B
Zoo
brute force
,
geometry
1700
x679
182A
Battlefield
geometry
,
graphs
,
implementation
,
shortest paths
2200
x280
181A
Series of Crimes
brute force
,
geometry
,
implementation
800
x6751
175E
Power Defence
brute force
,
dp
,
geometry
,
greedy
2600
x261
166B
Polygons
geometry
,
sortings
2100
x2342
157B
Trace
geometry
,
sortings
1000
x12922
154E
Martian Colony
geometry
3000
x92
142E
Help Greg the Dwarf 2
geometry
3000
x80
141B
Hopscotch
geometry
,
math
1400
x5160
140F
New Year Snowflake
geometry
,
sortings
2600
x362
140A
New Year Table
geometry
,
math
1700
x4094
135B
Rectangle and Square
brute force
,
geometry
,
math
1600
x2303
128E
Birthday
geometry
,
math
2900
x97
127A
Wasted Time
geometry
900
x10800
120J
Minimum Sum
divide and conquer
,
geometry
,
sortings
1900
x910
119E
Alternative Reality
geometry
2400
x94
107E
Darts
geometry
,
probabilities
2700
x128
106E
Space Rescuers
geometry
,
ternary search
2100
x839
100I
Rotation
*special problem
,
geometry
,
math
1500
x342
98C
Help Greg the Dwarf
geometry
,
ternary search
2500
x301
91E
Igloo Skyscraper
data structures
,
geometry
2500
x587
89D
Space mines
geometry
2500
x230
87E
Mogohu-Rea Idol
geometry
2600
x553
85E
Guard Towers
binary search
,
dsu
,
geometry
,
graphs
,
sortings
2600
x923
82E
Corridor
geometry
2600
x217
80B
Depression
geometry
,
math
1200
x4240
78D
Archer's Shot
binary search
,
geometry
,
math
,
two pointers
2300
x303
77E
Martian Food
geometry
2800
x367
75E
Ship's Shortest Path
geometry
,
shortest paths
2400
x271
73F
Plane of Tanks
brute force
,
geometry
2900
x76
70D
Professor's task
data structures
,
geometry
2700
x961
68E
Contact
geometry
2900
x71
67E
Save the City!
geometry
2500
x313
65C
Harry Potter and the Golden Snitch
binary search
,
geometry
2100
x773
62C
Inquisition
geometry
,
implementation
,
sortings
2300
x248
55E
Very simple problem
geometry
,
two pointers
2500
x678
54E
Vacuum Сleaner
geometry
2700
x188
50C
Happy Farm 5
geometry
2000
x736
47E
Cannon
data structures
,
geometry
,
sortings
2200
x357
46G
Emperor's Problem
geometry
2500
x110
44F
BerPaint
geometry
,
graphs
2700
x65
40A
Find Color
constructive algorithms
,
geometry
,
implementation
,
math
1300
x3876
36C
Bowls
geometry
,
implementation
2200
x330
33D
Knights
geometry
,
graphs
,
shortest paths
,
sortings
2000
x1145
32E
Hide-and-Seek
geometry
,
implementation
2400
x324
30D
King's Problem?
geometry
,
greedy
2600
x412
28E
DravDe saves the world
geometry
,
math
2800
x87
24C
Sequence of points
geometry
,
implementation
,
math
1800
x1220
23D
Tetragon
geometry
,
math
2600
x327
18A
Triangle
brute force
,
geometry
1500
x5735
14C
Four Segments
brute force
,
constructive algorithms
,
geometry
,
implementation
,
math
1700
x3135
13D
Triangles
dp
,
geometry
2600
x600
13B
Letter A
geometry
,
implementation
2000
x838
9B
Running Student
brute force
,
geometry
,
implementation
1200
x5351
8D
Two Friends
binary search
,
geometry
2600
x513
6A
Triangle
brute force
,
geometry
900
x19216
2C
Commentator problem
geometry
2600
x1719
1C
Ancient Berland Circus
geometry
,
math
2100
x5548
←
1
2
3
4
→
User lists
Name