Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
22:16:55
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x4075
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2400
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2739
26E	Multithreading constructive algorithms	2400	x368
26D	Tickets combinatorics, math, probabilities	2400	x767
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x839
25E	Test hashing, strings	2200	x2302
25D	Roads not only in Berland dsu, graphs, trees	1900	x10754
25C	Roads in Berland graphs, shortest paths	1900	x6025
24E	Berland collider binary search	2300	x875
24D	Broken robot dp, math, probabilities	2400	x1851
24C	Sequence of points geometry, implementation, math	1800	x1227
23E	Tree dp	2500	x597
23D	Tetragon geometry, math	2600	x329
23C	Oranges and Apples constructive algorithms, sortings	2500	x1385
22E	Scheme dfs and similar, graphs, trees	2300	x1579
22D	Segments greedy, sortings	1900	x2656
22C	System Administrator graphs	1700	x3026
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x839
21C	Stripe 2 binary search, dp, sortings	2000	x2063
21B	Intersection implementation, math	2000	x1321
21A	Jabber ID implementation, strings	1900	x1808
20C	Dijkstra? graphs, shortest paths	1900	x31373
20B	Equation math	2000	x3749
20A	BerOS file system implementation	1700	x6063
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1717
19D	Points data structures	2800	x2205
19C	Deletion of Repeats greedy, hashing, string suffix structures	2200	x1072
19B	Checkout Assistant dp	1900	x4562
18E	Flag 2 dp	2000	x1035
18D	Seller Bob brute force, dp, greedy	2000	x1044
18B	Platforms brute force, math	1700	x2093
17E	Palisection strings	2900	x1534
17D	Notepad number theory	2400	x1049
17C	Balance dp	2500	x829
16E	Fish bitmasks, dp, probabilities	1900	x4842
16D	Logging implementation, strings	1900	x1534
16C	Monitor binary search, number theory	1800	x4629
15E	Triangles combinatorics, dp	2600	x563
15D	Map data structures, implementation, sortings	2500	x736
15C	Industrial Nim games	2000	x2191
15B	Laser math	1800	x1434
14E	Camels dp	1900	x1638
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x4395
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3288
13E	Holes data structures, dsu	2700	x5560
13D	Triangles dp, geometry	2600	x604
13C	Sequence dp, sortings	2200	x4410
13B	Letter A geometry, implementation	2000	x983
12E	Start of the session constructive algorithms	2100	x1176
12D	Ball data structures, sortings	2400	x2202
11E	Forward, march! binary search, dp, greedy	2800	x353
11D	A Simple Task bitmasks, dp, graphs	2200	x4613
11C	How Many Squares? implementation	2200	x605
10E	Greedy Change constructive algorithms	2600	x816
10D	LCIS dp	2800	x4186
10C	Digital Root number theory	2000	x1422
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1013
9D	How many trees? combinatorics, divide and conquer, dp	1900	x3735
8E	Beads dp, graphs	2600	x673
8D	Two Friends binary search, geometry	2600	x516
8C	Looking for Order bitmasks, dp	2000	x3442
7E	Defining Macros dp, expression parsing, implementation	2600	x695
7D	Palindrome Degree hashing, strings	2200	x3580
7C	Line math, number theory	1800	x4469
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x3203
6D	Lizards and Basements 2 brute force, dp	2600	x1967
5E	Bindian Signalizing data structures	2400	x2067
5D	Follow Traffic Rules implementation, math	2100	x1676
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x13241
4D	Mysterious Present dp, sortings	1700	x10024
3D	Least Cost Bracket Sequence greedy	2600	x3215
3C	Tic-tac-toe brute force, games, implementation	1800	x7177
3B	Lorry greedy, sortings	1900	x4440
2C	Commentator problem geometry	2600	x1732
2B	The least round way dp, math	2000	x10614
1C	Ancient Berland Circus geometry, math	2100	x5605

→