Problemset - Codeforces

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Problems

#	Name
19A	World Football Cup implementation	1400	x2771
18E	Flag 2 dp	2000	x1090
18D	Seller Bob brute force, dp, greedy	2000	x1077
18B	Platforms brute force, math	1700	x2152
18A	Triangle brute force, geometry	1500	x6101
17E	Palisection strings	2900	x1600
17D	Notepad number theory	2400	x1098
17C	Balance dp	2500	x935
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4911
16E	Fish bitmasks, dp, probabilities	1900	x5204
16D	Logging implementation, strings	1900	x1614
16C	Monitor binary search, number theory	1800	x4798
15E	Triangles combinatorics, dp	2600	x588
15D	Map data structures, implementation, sortings	2500	x770
15C	Industrial Nim games	2000	x2331
15B	Laser math	1800	x1476
14E	Camels dp	1900	x1717
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x4601
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3405
13E	Holes data structures, dsu	2700	x6127
13D	Triangles dp, geometry	2600	x667
13C	Sequence dp, sortings	2200	x4703
13B	Letter A geometry, implementation	2000	x1006
12E	Start of the session constructive algorithms	2100	x1239
12D	Ball data structures, sortings	2400	x2327
11E	Forward, march! binary search, dp, greedy	2800	x368
11D	A Simple Task bitmasks, dp, graphs	2200	x4966
11C	How Many Squares? implementation	2200	x618
11B	Jumping Jack math	1600	x4743
10E	Greedy Change constructive algorithms	2600	x839
10D	LCIS dp	2800	x4516
10C	Digital Root number theory	2000	x1469
10B	Cinema Cashier dp, implementation	1500	x1786
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1050
9D	How many trees? combinatorics, divide and conquer, dp	1900	x3915
8E	Beads dp, graphs	2600	x697
8D	Two Friends binary search, geometry	2600	x528
8C	Looking for Order bitmasks, dp	2000	x3610
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4387
7E	Defining Macros dp, expression parsing, implementation	2600	x722
7D	Palindrome Degree hashing, strings	2200	x3777
7C	Line math, number theory	1800	x4669
7B	Memory Manager implementation	1600	x2616
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x3322
6D	Lizards and Basements 2 brute force, dp	2600	x2023
5E	Bindian Signalizing data structures	2400	x2164
5D	Follow Traffic Rules implementation, math	2100	x1727
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x14112
4D	Mysterious Present dp, sortings	1700	x10411
3D	Least Cost Bracket Sequence greedy	2600	x3422
3C	Tic-tac-toe brute force, games, implementation	1800	x7394
3B	Lorry greedy, sortings	1900	x4615
2C	Commentator problem geometry	2600	x1773
2B	The least round way dp, math	2000	x11011
2A	Winner hashing, implementation	1500	x26670
1C	Ancient Berland Circus geometry, math	2100	x5743
1B	Spreadsheet implementation, math	1600	x22940

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