Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
24D
Broken robot
dp
,
math
,
probabilities
2400
x1797
24C
Sequence of points
geometry
,
implementation
,
math
1800
x1214
24B
F1 Champions
implementation
1500
x1711
24A
Ring road
graphs
1400
x4771
23E
Tree
dp
2500
x588
23D
Tetragon
geometry
,
math
2600
x325
23C
Oranges and Apples
constructive algorithms
,
sortings
2500
x1357
23B
Party
constructive algorithms
,
graphs
,
math
1600
x3198
23A
You're Given a String...
brute force
,
greedy
1200
x5074
22E
Scheme
dfs and similar
,
graphs
,
trees
2300
x1544
22D
Segments
greedy
,
sortings
1900
x2616
22C
System Administrator
graphs
1700
x2948
22B
Bargaining Table
brute force
,
dp
1500
x4079
22A
Second Order Statistics
brute force
800
x20885
21D
Traveling Graph
bitmasks
,
graph matchings
,
graphs
2400
x796
21C
Stripe 2
binary search
,
dp
,
sortings
2000
x2019
21B
Intersection
implementation
,
math
2000
x1302
21A
Jabber ID
implementation
,
strings
1900
x1780
20C
Dijkstra?
graphs
,
shortest paths
1900
x29880
20B
Equation
math
2000
x3651
20A
BerOS file system
implementation
1700
x5943
19E
Fairy
dfs and similar
,
divide and conquer
,
dsu
2900
x1616
19D
Points
data structures
2800
x2114
19C
Deletion of Repeats
greedy
,
hashing
,
string suffix structures
2200
x1045
19B
Checkout Assistant
dp
1900
x4425
19A
World Football Cup
implementation
1400
x2602
18E
Flag 2
dp
2000
x1022
18D
Seller Bob
brute force
,
dp
,
greedy
2000
x1030
18C
Stripe
data structures
,
implementation
1200
x12461
18B
Platforms
brute force
,
math
1700
x2062
18A
Triangle
brute force
,
geometry
1500
x5701
17E
Palisection
strings
2900
x1508
17D
Notepad
number theory
2400
x1037
17C
Balance
dp
2500
x817
17B
Hierarchy
dfs and similar
,
dsu
,
greedy
,
shortest paths
1500
x4474
17A
Noldbach problem
brute force
,
math
,
number theory
1000
x15080
16E
Fish
bitmasks
,
dp
,
probabilities
1900
x4646
16D
Logging
implementation
,
strings
1900
x1512
16C
Monitor
binary search
,
number theory
1800
x4508
16B
Burglar and Matches
greedy
,
implementation
,
sortings
900
x16888
16A
Flag
implementation
800
x13581
15E
Triangles
combinatorics
,
dp
2600
x557
15D
Map
data structures
,
implementation
,
sortings
2500
x717
15C
Industrial Nim
games
2000
x2160
15B
Laser
math
1800
x1297
15A
Cottage Village
implementation
,
sortings
1200
x3609
14E
Camels
dp
1900
x1619
14D
Two Paths
dfs and similar
,
dp
,
graphs
,
shortest paths
,
trees
,
two pointers
1900
x4311
14C
Four Segments
brute force
,
constructive algorithms
,
geometry
,
implementation
,
math
1700
x3094
14B
Young Photographer
implementation
1000
x6670
14A
Letter
implementation
800
x10063
13E
Holes
data structures
,
dsu
2700
x5370
13D
Triangles
dp
,
geometry
2600
x594
13C
Sequence
dp
,
sortings
2200
x4116
13B
Letter A
geometry
,
implementation
2000
x834
13A
Numbers
implementation
,
math
1000
x7366
12E
Start of the session
constructive algorithms
2100
x1161
12D
Ball
data structures
,
sortings
2400
x2005
12C
Fruits
greedy
,
implementation
,
sortings
1100
x5766
12B
Correct Solution?
implementation
,
sortings
1100
x8009
12A
Super Agent
implementation
800
x12394
11E
Forward, march!
binary search
,
dp
,
greedy
2800
x345
11D
A Simple Task
bitmasks
,
dp
,
graphs
2200
x4458
11C
How Many Squares?
implementation
2200
x588
11B
Jumping Jack
math
1600
x4322
11A
Increasing Sequence
constructive algorithms
,
implementation
,
math
900
x12426
10E
Greedy Change
constructive algorithms
2600
x802
10D
LCIS
dp
2800
x4054
10C
Digital Root
number theory
2000
x1391
10B
Cinema Cashier
dp
,
implementation
1500
x1717
10A
Power Consumption Calculation
implementation
900
x6679
9E
Interestring graph and Apples
dfs and similar
,
dsu
,
graphs
2300
x987
9D
How many trees?
combinatorics
,
divide and conquer
,
dp
1900
x3668
9C
Hexadecimal's Numbers
brute force
,
implementation
,
math
1200
x12370
9B
Running Student
brute force
,
geometry
,
implementation
1200
x5199
9A
Die Roll
math
,
probabilities
800
x52576
8E
Beads
dp
,
graphs
2600
x666
8D
Two Friends
binary search
,
geometry
2600
x509
8C
Looking for Order
bitmasks
,
dp
2000
x3248
8B
Obsession with Robots
constructive algorithms
,
graphs
,
implementation
1400
x4076
8A
Train and Peter
strings
1200
x5497
7E
Defining Macros
dp
,
expression parsing
,
implementation
2600
x688
7D
Palindrome Degree
hashing
,
strings
2200
x3513
7C
Line
math
,
number theory
1800
x4238
7B
Memory Manager
implementation
1600
x2371
7A
Kalevitch and Chess
brute force
,
constructive algorithms
1100
x6853
6E
Exposition
binary search
,
data structures
,
dsu
,
trees
,
two pointers
1900
x3000
6D
Lizards and Basements 2
brute force
,
dp
2600
x1812
6C
Alice, Bob and Chocolate
greedy
,
two pointers
1200
x13008
6B
President's Office
implementation
1100
x12139
6A
Triangle
brute force
,
geometry
900
x19080
5E
Bindian Signalizing
data structures
2400
x2007
5D
Follow Traffic Rules
implementation
,
math
2100
x1519
5C
Longest Regular Bracket Sequence
constructive algorithms
,
data structures
,
dp
,
greedy
,
sortings
,
strings
1900
x12673
5B
Center Alignment
implementation
,
strings
1200
x5538
5A
Chat Servers Outgoing Traffic
implementation
1000
x9254
4D
Mysterious Present
dp
,
sortings
1700
x9678
4C
Registration System
data structures
,
hashing
,
implementation
1300
x77239
4B
Before an Exam
constructive algorithms
,
greedy
1200
x23653
4A
Watermelon
brute force
,
math
800
x482053
←
1
2
...
93
94
95
96
→
→ Pay attention
Contest is running
2023 Post World Finals Online ICPC Challenge powered by Huawei
11 days
Register now »
Before contest
Codeforces Round 944 (Div. 4)
14:13:51
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