Codeforces
In English По-русски
Enter | Register

  • Home
  • Top
  • Catalog
  • Contests
  • Gym
  • Problemset
  • Groups
  • Rating
  • Edu
  • API
  • Calendar
  • Help

  • Main
  • acmsguru
|
  • Problems
  • Submit
  • Status
  • Standings
  • Custom test
 
 
 
 
Problems
 
 
# Name   Sort desc. Sort desc.
66D
Petya and His Friends
constructive algorithms, math, number theory
Submit 1700  x3816
65B
Harry Potter and the History of Magic
brute force, greedy, implementation
Submit 1700  x1585
63C
Bulls and Cows
brute force, implementation
Submit 1700  x2046
56C
Corporation Mail
data structures, expression parsing, implementation
Submit 1700  x1334
53B
Blog Photo
binary search, implementation
Submit 1700  x1605
51B
bHTML Tables Analisys
expression parsing
Submit 1700  x1074
49C
Disposition
constructive algorithms, math
Submit 1700  x1926
44H
Phone Number
dp
Submit 1700  x2046
42B
Game of chess unfinished
implementation
Submit 1700  x1221
35D
Animals
dp, greedy
Submit 1700  x3987
35B
Warehouse
implementation
Submit 1700  x1239
32C
Flea
math
Submit 1700  x2684
31C
Schedule
implementation
Submit 1700  x2103
30B
Codeforces World Finals
implementation
Submit 1700  x1450
29C
Mail Stamps
data structures, dfs and similar, graphs, implementation
Submit 1700  x6921
22C
System Administrator
graphs
Submit 1700  x4016
20A
BerOS file system
implementation
Submit 1700  x7387
18B
Platforms
brute force, math
Submit 1700  x2521
14C
Four Segments
brute force, constructive algorithms, geometry, implementation, math
Submit 1700  x4027
4D
Mysterious Present
dp, sortings
Submit 1700  x12824
  • ←
  • 1
  • 2
  • ...
  • 4
  • 5
  • 6
  • →
→ Pay attention
Before contest
Codeforces Round 1134 (Div. 4)
2 days
Register now »
→ Filter Problems
 
Add tag

Codeforces (c) Copyright 2010-2026 Mike Mirzayanov
The only programming contests Web 2.0 platform
Server time: Nov/10/2026 16:03:50 (g2).
Mobile version, switch to desktop version.
Privacy Policy | Terms and Conditions
Supported by
Telegram
 
 
 
 
User lists
 
 
Name