Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 987 (Div. 2)
19:38:45
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
12E	Start of the session constructive algorithms	2100	x1238
12D	Ball data structures, sortings	2400	x2319
11E	Forward, march! binary search, dp, greedy	2800	x366
11D	A Simple Task bitmasks, dp, graphs	2200	x4951
11C	How Many Squares? implementation	2200	x616
11B	Jumping Jack math	1600	x4737
10E	Greedy Change constructive algorithms	2600	x839
10D	LCIS dp	2800	x4506
10C	Digital Root number theory	2000	x1468
10B	Cinema Cashier dp, implementation	1500	x1786
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1048
9D	How many trees? combinatorics, divide and conquer, dp	1900	x3895
8E	Beads dp, graphs	2600	x696
8D	Two Friends binary search, geometry	2600	x527
8C	Looking for Order bitmasks, dp	2000	x3600
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4385
7E	Defining Macros dp, expression parsing, implementation	2600	x722
7D	Palindrome Degree hashing, strings	2200	x3771
7C	Line math, number theory	1800	x4662
7B	Memory Manager implementation	1600	x2614
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x3320
6D	Lizards and Basements 2 brute force, dp	2600	x2022
5E	Bindian Signalizing data structures	2400	x2162
5D	Follow Traffic Rules implementation, math	2100	x1725
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x14040
4D	Mysterious Present dp, sortings	1700	x10393
3D	Least Cost Bracket Sequence greedy	2600	x3414
3C	Tic-tac-toe brute force, games, implementation	1800	x7390
3B	Lorry greedy, sortings	1900	x4610
2C	Commentator problem geometry	2600	x1769
2B	The least round way dp, math	2000	x10994
2A	Winner hashing, implementation	1500	x26624
1C	Ancient Berland Circus geometry, math	2100	x5734
1B	Spreadsheet implementation, math	1600	x22888

→