Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
412E
E-mail Addresses
implementation
1900
x808
412D
Giving Awards
dfs and similar
2000
x1809
412C
Pattern
implementation
,
strings
1200
x3850
412B
Network Configuration
greedy
,
sortings
900
x5268
412A
Poster
greedy
,
implementation
900
x4304
411C
Kicker
implementation
1700
x1030
411B
Multi-core Processor
implementation
1600
x1253
411A
Password Check
*special problem
,
implementation
800
x6977
409I
Feed the Golorp
*special problem
2400
x115
409H
A + B Strikes Back
*special problem
,
brute force
,
constructive algorithms
,
dsu
,
implementation
1500
x8684
409G
On a plane
*special problem
,
geometry
2200
x499
409F
000001
*special problem
1900
x2040
409E
Dome
*special problem
1800
x562
409D
Big Data
*special problem
1700
x1695
409C
Magnum Opus
*special problem
1700
x1943
409B
Mysterious Language
*special problem
1700
x1342
409A
The Great Game
*special problem
1700
x2434
408B
Garland
implementation
1200
x8868
408A
Line to Cashier
implementation
900
x10997
407E
k-d-sequence
data structures
3100
x685
407D
Largest Submatrix 3
dp
,
hashing
2700
x539
407C
Curious Array
brute force
,
combinatorics
,
implementation
,
math
2500
x953
407B
Long Path
dp
,
implementation
1600
x6410
407A
Triangle
brute force
,
geometry
,
implementation
,
math
1600
x4746
406E
Hamming Triples
implementation
,
math
,
two pointers
2800
x227
406D
Hill Climbing
dfs and similar
,
geometry
,
trees
2200
x1129
405E
Graph Cutting
dfs and similar
,
graphs
2300
x1333
405D
Toy Sum
greedy
,
implementation
,
math
1700
x3087
405C
Unusual Product
implementation
,
math
1600
x4568
405B
Domino Effect
1100
x5622
405A
Gravity Flip
greedy
,
implementation
,
sortings
900
x94531
404E
Maze 1D
binary search
,
greedy
,
implementation
2200
x561
404D
Minesweeper 1D
dp
,
implementation
1900
x2061
404C
Restore Graph
dfs and similar
,
graphs
,
sortings
1800
x4999
404B
Marathon
implementation
,
math
1500
x2895
404A
Valera and X
implementation
1000
x22891
403E
Two Rooted Trees
data structures
,
implementation
,
trees
2900
x201
403D
Beautiful Pairs of Numbers
combinatorics
,
dp
2300
x1066
402E
Strictly Positive Matrix
graphs
,
math
2200
x2081
402D
Upgrading Array
dp
,
greedy
,
math
,
number theory
1800
x2516
402C
Searching for Graph
brute force
,
constructive algorithms
,
graphs
1500
x5699
402B
Trees in a Row
brute force
,
implementation
1400
x3688
402A
Nuts
greedy
,
math
1100
x4514
401E
Olympic Games
math
2500
x167
401D
Roman and Numbers
bitmasks
,
brute force
,
combinatorics
,
dp
,
number theory
2000
x3969
401C
Team
constructive algorithms
,
greedy
,
implementation
1400
x19271
401B
Sereja and Contests
greedy
,
implementation
,
math
1200
x4383
401A
Vanya and Cards
implementation
,
math
800
x15871
400E
Inna and Binary Logic
binary search
,
bitmasks
,
data structures
2100
x932
400D
Dima and Bacteria
dsu
,
graphs
,
shortest paths
2000
x2798
400C
Inna and Huge Candy Matrix
implementation
,
math
1500
x2872
400B
Inna and New Matrix of Candies
brute force
,
implementation
,
schedules
1200
x7337
400A
Inna and Choose Options
implementation
1000
x6402
399B
Red and Blue Balls
x1817
399A
Pages
implementation
x4077
398E
Sorting Permutations
x88
398D
Instant Messanger
data structures
x833
398C
Tree and Array
constructive algorithms
x207
398B
Painting The Wall
dp
,
probabilities
x993
398A
Cards
constructive algorithms
,
implementation
x910
397B
On Corruption and Numbers
constructive algorithms
,
implementation
,
math
x735
397A
On Segment's Own Points
implementation
x2586
396E
On Iteration of One Well-Known Function
math
x144
396D
On Sum of Number of Inversions in Permutations
combinatorics
,
math
x406
396C
On Changing Tree
data structures
,
graphs
,
trees
x1523
396B
On Sum of Fractions
math
,
number theory
x1037
396A
On Number of Decompositions into Multipliers
combinatorics
,
math
,
number theory
x1461
394E
Lightbulb for Minister
geometry
x114
394D
Physical Education and Buns
brute force
,
implementation
,
math
x261
394C
Dominoes
constructive algorithms
,
greedy
x511
394B
Very Beautiful Number
math
x567
394A
Counting Sticks
brute force
,
implementation
x2633
393B
Three matrices
x1932
393A
Nineteen
x6520
392E
Deleting Substrings
x173
392D
Three Arrays
data structures
x210
392C
Yet Another Number Sequence
combinatorics
,
math
,
matrices
x576
392B
Tower of Hanoi
dp
x885
392A
Blocked Points
math
x962
391F3
Stock Trading
x104
391F2
Stock Trading
greedy
x103
391F1
Stock Trading
dp
x161
391E2
Three Trees
x146
391E1
Three Trees
x114
391D2
Supercollider
data structures
x177
391D1
Supercollider
brute force
x201
391C3
The Tournament
x164
391C2
The Tournament
greedy
x131
391C1
The Tournament
brute force
x182
391B
Word Folding
brute force
x380
391A
Genetic Engineering
implementation
,
two pointers
x1702
390E
Inna and Large Sweet Matrix
x256
390D
Inna and Sweet Matrix
constructive algorithms
x505
390C
Inna and Candy Boxes
data structures
x623
390B
Inna, Dima and Song
implementation
x1167
390A
Inna and Alarm Clock
implementation
x3446
389B
Fox and Cross
greedy
,
implementation
1100
x6816
389A
Fox and Number Game
greedy
,
math
1000
x13835
388E
Fox and Meteor Shower
geometry
3100
x119
388D
Fox and Perfect Sets
math
2700
x436
←
1
2
...
76
77
78
79
80
...
95
96
→
→ Pay attention
Contest is running
2023 Post World Finals Online ICPC Challenge powered by Huawei
11 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