Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams)
35:38:28
Register now »
→ 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
245E
Mishap in Club
greedy
,
implementation
1400
x3295
245D
Restoring Table
constructive algorithms
,
greedy
1500
x2320
245C
Game with Coins
greedy
1700
x1551
245B
Internet Address
implementation
,
strings
1100
x5232
245A
System Administrator
implementation
800
x8480
244B
Undoubtedly Lucky Numbers
bitmasks
,
brute force
,
dfs and similar
1600
x4508
244A
Dividing Orange
implementation
900
x7963
243E
Matrix
data structures
3000
x191
243D
Cubes
data structures
,
dp
,
geometry
,
two pointers
2700
x214
243C
Colorado Potato Beetle
dfs and similar
,
implementation
2200
x530
243B
Hydra
graphs
,
sortings
2000
x1235
243A
The Brand New Function
bitmasks
1600
x3950
242E
XOR on Segment
bitmasks
,
data structures
2000
x9355
242D
Dispute
dfs and similar
,
graphs
,
greedy
2100
x1881
242C
King's Path
dfs and similar
,
graphs
,
hashing
,
shortest paths
1800
x8738
242B
Big Segment
implementation
,
sortings
1100
x15825
242A
Heads or Tails
brute force
,
implementation
1100
x6390
241G
Challenging Balloons
constructive algorithms
1900
x548
241F
Race
brute force
,
implementation
2300
x263
241E
Flights
graphs
,
shortest paths
2600
x1111
241D
Numbers
2900
x378
241C
Mirror Box
geometry
,
implementation
2000
x512
241B
Friends
binary search
,
bitmasks
,
data structures
,
math
2700
x813
241A
Old Peykan
greedy
1300
x2241
240F
TorCoder
data structures
2600
x1960
240E
Road Repairs
dfs and similar
,
graphs
,
greedy
2800
x356
239B
Easy Tape Programming
brute force
,
implementation
1500
x1373
239A
Two Bags of Potatoes
greedy
,
implementation
,
math
1200
x19004
238E
Meeting Her
dp
,
graphs
,
shortest paths
2600
x393
238D
Tape Programming
data structures
,
implementation
2900
x247
238C
World Eater Brothers
dfs and similar
,
dp
,
greedy
,
trees
2100
x1246
238B
Boring Partition
constructive algorithms
1800
x1333
238A
Not Wool Sequences
constructive algorithms
,
math
1300
x2044
237E
Build String
flows
,
graphs
2000
x1726
237D
T-decomposition
dfs and similar
,
graphs
,
greedy
,
trees
2000
x567
237C
Primes on Interval
binary search
,
number theory
,
two pointers
1600
x5819
237B
Young Table
implementation
,
sortings
1500
x2238
237A
Free Cash
implementation
1000
x26927
236B
Easy Number Challenge
implementation
,
number theory
1300
x14391
236A
Boy or Girl
brute force
,
implementation
,
strings
800
x213651
235E
Number Challenge
combinatorics
,
dp
,
implementation
,
math
,
number theory
2600
x779
235D
Graph Game
graphs
3000
x506
235C
Cyclical Quest
data structures
,
string suffix structures
,
strings
2700
x2143
235B
Let's Play Osu!
dp
,
math
,
probabilities
2000
x3574
235A
LCM Challenge
number theory
1600
x17909
234H
Merging Two Decks
constructive algorithms
,
greedy
2000
x567
234G
Practice
constructive algorithms
,
divide and conquer
,
implementation
1600
x1480
234F
Fence
dp
1800
x1748
234E
Champions' League
implementation
1600
x1002
234D
Cinema
implementation
1600
x1540
234C
Weather
dp
,
implementation
1300
x5555
234B
Reading
sortings
1000
x7126
234A
Lefthanders and Righthanders
implementation
1200
x4475
233B
Non-square Equation
binary search
,
brute force
,
math
1400
x7533
233A
Perfect Permutation
implementation
,
math
800
x42843
232E
Quick Tortoise
bitmasks
,
divide and conquer
,
dp
3000
x696
232D
Fence
binary search
,
data structures
,
string suffix structures
2900
x475
232C
Doe Graphs
constructive algorithms
,
divide and conquer
,
dp
,
graphs
,
shortest paths
2600
x290
232B
Table
bitmasks
,
combinatorics
,
dp
,
math
1900
x1474
232A
Cycles
binary search
,
constructive algorithms
,
graphs
,
greedy
1600
x2539
231E
Cactus
data structures
,
dfs and similar
,
dp
,
graphs
,
trees
2100
x1885
231D
Magic Box
brute force
,
geometry
1600
x4104
231C
To Add or Not to Add
binary search
,
sortings
,
two pointers
1600
x8675
231B
Magic, Wizardry and Wonders
constructive algorithms
,
greedy
1500
x3620
231A
Team
brute force
,
greedy
800
x330939
230B
T-primes
binary search
,
implementation
,
math
,
number theory
1300
x76412
230A
Dragons
greedy
,
sortings
1000
x80014
229E
Gifts
combinatorics
,
dp
,
math
,
probabilities
2600
x464
229D
Towers
dp
,
greedy
,
two pointers
2100
x2260
229C
Triangles
combinatorics
,
graphs
,
math
1900
x1625
229B
Planets
binary search
,
data structures
,
graphs
,
shortest paths
1700
x4698
229A
Shifts
brute force
,
two pointers
1500
x3522
228E
The Road to Berland is Paved With Good Intentions
2-sat
,
dfs and similar
,
dsu
,
graphs
1900
x2463
228D
Zigzag
data structures
2100
x385
228C
Fractal Detector
dp
,
hashing
2000
x455
228B
Two Tables
brute force
,
implementation
1400
x3469
228A
Is your horseshoe on the other hoof?
implementation
800
x111485
227B
Effective Approach
implementation
1100
x28241
227A
Where do I Turn?
geometry
1300
x4222
226E
Noble Knight's Path
data structures
,
trees
2900
x462
226D
The table
constructive algorithms
,
greedy
2100
x966
226C
Anniversary
data structures
,
implementation
,
math
,
matrices
,
number theory
2400
x914
226B
Naughty Stone Piles
greedy
1900
x1564
226A
Flying Saucer Segments
math
1400
x4004
225E
Unsolvable
math
,
number theory
2100
x806
225D
Snake
bitmasks
,
dfs and similar
,
graphs
,
implementation
2200
x949
225C
Barcode
dp
,
matrices
1700
x9192
225B
Well-known Numbers
binary search
,
greedy
,
number theory
1600
x3162
225A
Dice Tower
constructive algorithms
,
greedy
1100
x11771
224B
Array
bitmasks
,
implementation
,
two pointers
1500
x7355
224A
Parallelepiped
brute force
,
geometry
,
math
1100
x26917
223E
Planar Graph
flows
,
geometry
,
graphs
3000
x191
223D
Spider
geometry
,
graphs
3000
x70
223C
Partial Sums
combinatorics
,
math
,
number theory
1900
x1566
223B
Two Strings
data structures
,
dp
,
strings
1900
x1809
223A
Bracket Sequence
data structures
,
expression parsing
,
implementation
1700
x2539
222E
Decoding Genome
dp
,
matrices
1900
x2815
222D
Olympiad
binary search
,
greedy
,
sortings
,
two pointers
1900
x2171
222C
Reducing Fractions
implementation
,
math
,
number theory
,
sortings
1800
x2253
222B
Cosmic Tables
data structures
,
implementation
1300
x6134
←
1
2
...
87
88
89
90
91
...
99
100
→
User lists
Name