Enter
|
Register
Home
Top
Catalog
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round 972 (Div. 2)
32:34:51
Register now »
*has extra registration
→ Filter Problems
Difficulty:
—
implementation
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
9C
Hexadecimal's Numbers
brute force
,
implementation
,
math
1200
x12879
9B
Running Student
brute force
,
geometry
,
implementation
1200
x5482
8B
Obsession with Robots
constructive algorithms
,
graphs
,
implementation
1400
x4321
7E
Defining Macros
dp
,
expression parsing
,
implementation
2600
x706
7B
Memory Manager
implementation
1600
x2589
6B
President's Office
implementation
1100
x12887
5D
Follow Traffic Rules
implementation
,
math
2100
x1695
5B
Center Alignment
implementation
,
strings
1200
x5831
5A
Chat Servers Outgoing Traffic
implementation
1000
x9643
4C
Registration System
data structures
,
hashing
,
implementation
1300
x82107
3C
Tic-tac-toe
brute force
,
games
,
implementation
1800
x7280
2A
Winner
hashing
,
implementation
1500
x26147
1B
Spreadsheet
implementation
,
math
1600
x22485
←
1
2
...
26
27
28
→
User lists
Name