Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
1439E
Cheat and Win
bitmasks
,
data structures
,
games
,
trees
3500
x214
1439D
INOI Final Contests
combinatorics
,
dp
,
fft
3100
x339
1439C
Greedy Shopping
binary search
,
data structures
,
divide and conquer
,
greedy
,
implementation
2600
x1676
1439B
Graph Subset Problem
constructive algorithms
,
data structures
,
graphs
2600
x1356
1439A2
Binary Table (Hard Version)
constructive algorithms
,
graphs
,
greedy
,
implementation
1900
x4950
1439A1
Binary Table (Easy Version)
constructive algorithms
,
implementation
1500
x9161
1438F
Olha and Igor
interactive
,
probabilities
,
trees
3000
x611
1438E
Yurii Can Do Everything
binary search
,
bitmasks
,
brute force
,
constructive algorithms
,
divide and conquer
,
two pointers
2500
x1292
1438D
Powerful Ksenia
bitmasks
,
constructive algorithms
,
math
2200
x4069
1438C
Engineer Artem
2-sat
,
chinese remainder theorem
,
constructive algorithms
,
fft
,
flows
2000
x10165
1438B
Valerii Against Everyone
constructive algorithms
,
data structures
,
greedy
,
sortings
1000
x18452
1438A
Specific Tastes of Andre
constructive algorithms
,
implementation
800
x19105
1437G
Death DBMS
data structures
,
string suffix structures
,
strings
,
trees
2600
x952
1437F
Emotional Fishermen
combinatorics
,
dp
,
math
,
two pointers
2600
x1164
1437E
Make It Increasing
binary search
,
constructive algorithms
,
data structures
,
dp
,
implementation
2200
x3327
1437D
Minimal Height Tree
graphs
,
greedy
,
shortest paths
,
trees
1600
x12304
1437C
Chef Monocarp
dp
,
flows
,
graph matchings
,
greedy
,
math
,
sortings
1800
x10120
1437B
Reverse Binary Strings
constructive algorithms
,
greedy
1200
x18671
1437A
Marketing Scheme
brute force
,
constructive algorithms
,
greedy
,
math
800
x17823
1436F
Sum Over Subsets
combinatorics
,
math
,
number theory
2800
x499
1436E
Complicated Computations
binary search
,
data structures
,
two pointers
2400
x2115
1436D
Bandit in a City
binary search
,
dfs and similar
,
graphs
,
greedy
,
trees
1900
x5847
1436C
Binary Search
binary search
,
combinatorics
1500
x10529
1436B
Prime Square
constructive algorithms
,
math
900
x20216
1436A
Reorder
math
800
x22416
1434E
A Convex Game
dsu
,
games
3500
x164
1433G
Reducing Delivery Cost
brute force
,
graphs
,
shortest paths
2100
x4118
1433F
Zero Remainder Sum
dp
2100
x5843
1433E
Two Round Dances
combinatorics
,
math
1300
x18032
1433D
Districts Connection
constructive algorithms
,
dfs and similar
1200
x21767
1433C
Dominant Piranha
constructive algorithms
,
greedy
900
x26401
1433B
Yet Another Bookshelf
greedy
,
implementation
800
x27992
1433A
Boring Apartments
implementation
,
math
800
x49343
1431J
Zero-XOR Array
*special problem
,
dp
3400
x42
1431I
Cyclic Shifts
*special problem
,
strings
2900
x42
1431H
Rogue-like Game
*special problem
,
brute force
,
greedy
,
two pointers
2600
x64
1431G
Number Deletion Game
*special problem
,
dp
,
games
,
greedy
2100
x137
1431F
Neural Network Problem
*special problem
,
binary search
,
greedy
2100
x152
1431E
Chess Match
*special problem
2000
x217
1431D
Used Markers
*special problem
,
greedy
1500
x446
1431C
Black Friday
*special problem
,
implementation
1600
x695
1431B
Polycarp and the Language of Gods
*special problem
,
implementation
,
two pointers
1400
x999
1431A
Selling Hamburgers
*special problem
800
x1786
1430G
Yet Another DAG Problem
bitmasks
,
dfs and similar
,
dp
,
flows
,
graphs
,
math
2600
x625
1430F
Realistic Gameplay
dp
,
greedy
2600
x858
1430E
String Reversal
data structures
,
greedy
,
strings
1900
x6166
1430D
String Deletion
binary search
,
data structures
,
greedy
,
two pointers
1700
x8667
1430C
Numbers on Whiteboard
constructive algorithms
,
data structures
,
greedy
,
implementation
,
math
1000
x23333
1430B
Barrels
greedy
,
implementation
,
sortings
800
x19139
1430A
Number of Apartments
brute force
,
constructive algorithms
,
math
900
x20460
1428H
Rotary Laser Lock
binary search
,
interactive
3500
x88
1428G2
Lucky Numbers (Hard Version)
dp
,
greedy
3000
x609
1428G1
Lucky Numbers (Easy Version)
dp
,
greedy
2900
x549
1428F
Fruit Sequences
binary search
,
data structures
,
divide and conquer
,
dp
,
two pointers
2400
x2164
1428E
Carrots for Rabbits
binary search
,
data structures
,
greedy
,
math
,
sortings
2200
x3513
1428D
Bouncing Boomerangs
constructive algorithms
,
greedy
,
implementation
1900
x4406
1428C
ABBB
brute force
,
data structures
,
greedy
,
strings
1100
x19666
1428B
Belted Rooms
graphs
,
implementation
1200
x14173
1428A
Box is Pull
math
800
x16170
1427H
Prison Break
binary search
,
games
,
geometry
,
ternary search
3500
x69
1427G
One Billion Shades of Grey
flows
,
graphs
3300
x257
1427F
Boring Card Game
data structures
,
greedy
,
trees
3200
x308
1427E
Xum
bitmasks
,
constructive algorithms
,
math
,
matrices
,
number theory
2500
x1265
1427D
Unshuffling a Deck
constructive algorithms
,
implementation
2000
x3368
1427C
The Hard Work of Paparazzi
dp
2000
x5476
1427B
Chess Cheater
greedy
,
implementation
,
sortings
1400
x10700
1427A
Avoiding Zero
math
,
sortings
900
x16832
1426F
Number of Subsequences
combinatorics
,
dp
,
strings
2000
x5114
1426E
Rock, Paper, Scissors
brute force
,
constructive algorithms
,
flows
,
greedy
,
math
1800
x7223
1426D
Non-zero Segments
constructive algorithms
,
data structures
,
greedy
,
sortings
1500
x15477
1426C
Increase and Copy
binary search
,
constructive algorithms
,
math
1100
x19022
1426B
Symmetric Matrix
implementation
900
x20352
1426A
Floor Number
implementation
,
math
800
x45568
1425I
Impressive Harvesting of The Orchard
data structures
2800
x228
1425H
Huge Boxes of Animal Toys
constructive algorithms
1300
x4074
1425F
Flamingoes of Mystery
interactive
1400
x5241
1425E
Excitation of Atoms
greedy
,
implementation
2200
x906
1425D
Danger of Mad Snakes
combinatorics
,
dp
,
math
2300
x803
1425C
Captain of Knights
math
3100
x39
1425B
Blue and Red of Our Faculty!
divide and conquer
,
dp
2600
x273
1425A
Arena of Greed
games
,
greedy
1400
x6353
1424M
Ancient Language
graphs
,
sortings
2200
x521
1424G
Years
data structures
,
sortings
1300
x5647
1423N
BubbleSquare Tokens
3500
x148
1423M
Milutin's Plums
interactive
2800
x144
1423L
Light switches
meet-in-the-middle
2600
x432
1423K
Lonely Numbers
binary search
,
math
,
number theory
,
two pointers
1600
x4662
1423J
Bubble Cup hypothesis
bitmasks
,
constructive algorithms
,
dp
,
math
2400
x735
1423I
Lookup Tables
bitmasks
3000
x101
1423H
Virus
data structures
,
divide and conquer
,
dsu
,
graphs
2500
x509
1423G
Growing flowers
data structures
3500
x180
1423F
Coins
math
2700
x361
1423E
5G Antenna Towers
geometry
2700
x74
1423D
Does anyone else hate the wind?
3100
x35
1423C
Dušan's Railway
divide and conquer
,
graphs
,
trees
3500
x130
1423B
Valuable Paper
binary search
,
flows
,
graph matchings
,
graphs
1900
x1771
1423A
Wakanda Forever
3500
x66
1422F
Boring Queries
data structures
,
math
,
number theory
2700
x971
1422E
Minlexes
dp
,
greedy
,
implementation
,
strings
2700
x730
1422D
Returning Home
graphs
,
shortest paths
,
sortings
2300
x2589
←
1
2
...
29
30
31
32
33
...
95
96
→
→ Pay attention
Contest is running
2023 Post World Finals Online ICPC Challenge powered by Huawei
9 days
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
User lists
Name