Problemset - Codeforces

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Codeforces Round 976 (Div. 2) and Divide By Zero 9.0
14:13:50
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Problems

#	Name
20B	Equation math	2000	x3864
20A	BerOS file system implementation	1700	x6180
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1819
19D	Points data structures	2800	x2359
19C	Deletion of Repeats greedy, hashing, string suffix structures	2200	x1090
19B	Checkout Assistant dp	1900	x4741
19A	World Football Cup implementation	1400	x2743
18E	Flag 2 dp	2000	x1079
18D	Seller Bob brute force, dp, greedy	2000	x1070
18B	Platforms brute force, math	1700	x2129
18A	Triangle brute force, geometry	1500	x6003
17E	Palisection strings	2900	x1581
17D	Notepad number theory	2400	x1079
17C	Balance dp	2500	x921
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4742
16E	Fish bitmasks, dp, probabilities	1900	x5070
16D	Logging implementation, strings	1900	x1575
16C	Monitor binary search, number theory	1800	x4740
15E	Triangles combinatorics, dp	2600	x582
15D	Map data structures, implementation, sortings	2500	x761
15C	Industrial Nim games	2000	x2289
15B	Laser math	1800	x1462
14E	Camels dp	1900	x1699
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x4502
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3346
13E	Holes data structures, dsu	2700	x5904
13D	Triangles dp, geometry	2600	x657
13C	Sequence dp, sortings	2200	x4588
13B	Letter A geometry, implementation	2000	x996
12E	Start of the session constructive algorithms	2100	x1217
12D	Ball data structures, sortings	2400	x2287
11E	Forward, march! binary search, dp, greedy	2800	x362
11D	A Simple Task bitmasks, dp, graphs	2200	x4844
11C	How Many Squares? implementation	2200	x613
11B	Jumping Jack math	1600	x4678
10E	Greedy Change constructive algorithms	2600	x831
10D	LCIS dp	2800	x4367
10C	Digital Root number theory	2000	x1445
10B	Cinema Cashier dp, implementation	1500	x1770
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1036
9D	How many trees? combinatorics, divide and conquer, dp	1900	x3853
8E	Beads dp, graphs	2600	x690
8D	Two Friends binary search, geometry	2600	x526
8C	Looking for Order bitmasks, dp	2000	x3525
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4334
7E	Defining Macros dp, expression parsing, implementation	2600	x712
7D	Palindrome Degree hashing, strings	2200	x3714
7C	Line math, number theory	1800	x4600
7B	Memory Manager implementation	1600	x2595
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x3274
6D	Lizards and Basements 2 brute force, dp	2600	x2000
5E	Bindian Signalizing data structures	2400	x2138
5D	Follow Traffic Rules implementation, math	2100	x1703
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x13730
4D	Mysterious Present dp, sortings	1700	x10258
3D	Least Cost Bracket Sequence greedy	2600	x3361
3C	Tic-tac-toe brute force, games, implementation	1800	x7305
3B	Lorry greedy, sortings	1900	x4549
2C	Commentator problem geometry	2600	x1758
2B	The least round way dp, math	2000	x10841
2A	Winner hashing, implementation	1500	x26273
1C	Ancient Berland Circus geometry, math	2100	x5684
1B	Spreadsheet implementation, math	1600	x22565

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