Problemset - Codeforces

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Codeforces Round 1002 (Div. 2)
2 days
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Problems

#	Name
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x875
26B	Regular Bracket Sequence greedy	1400	x20320
25E	Test hashing, strings	2200	x2571
25D	Roads not only in Berland dsu, graphs, trees	1900	x11893
25C	Roads in Berland graphs, shortest paths	1900	x6491
24E	Berland collider binary search	2300	x921
24D	Broken robot dp, math, probabilities	2400	x2026
24C	Sequence of points geometry, implementation, math	1800	x1272
24B	F1 Champions implementation	1500	x1815
24A	Ring road graphs	1400	x5402
23E	Tree dp	2500	x642
23D	Tetragon geometry, math	2600	x340
23C	Oranges and Apples constructive algorithms, sortings	2500	x1445
23B	Party constructive algorithms, graphs, math	1600	x3436
22E	Scheme dfs and similar, graphs, trees	2300	x1734
22D	Segments greedy, sortings	1900	x2814
22C	System Administrator graphs	1700	x3239
22B	Bargaining Table brute force, dp	1500	x4297
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x934
21C	Stripe 2 binary search, dp, sortings	2000	x2189
21B	Intersection implementation, math	2000	x1381
21A	Jabber ID implementation, strings	1900	x1902
20C	Dijkstra? graphs, shortest paths	1900	x34589
20B	Equation math	2000	x4022
20A	BerOS file system implementation	1700	x6357
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x2038
19D	Points data structures	2800	x2539
19C	Deletion of Repeats greedy, hashing, string suffix structures	2200	x1124
19B	Checkout Assistant dp	1900	x5000
19A	World Football Cup implementation	1400	x2823
18E	Flag 2 dp	2000	x1124
18D	Seller Bob brute force, dp, greedy	2000	x1090
18B	Platforms brute force, math	1700	x2177
18A	Triangle brute force, geometry	1500	x6220
17E	Palisection strings	2900	x1618
17D	Notepad number theory	2400	x1121
17C	Balance dp	2500	x948
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x5051
16E	Fish bitmasks, dp, probabilities	1900	x5365
16D	Logging implementation, strings	1900	x1642
16C	Monitor binary search, number theory	1800	x4880
15E	Triangles combinatorics, dp	2600	x595
15D	Map data structures, implementation, sortings	2500	x783
15C	Industrial Nim games	2000	x2377
15B	Laser math	1800	x1488
14E	Camels dp	1900	x1740
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x4660
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3452
13E	Holes data structures, dsu	2700	x6323
13D	Triangles dp, geometry	2600	x671
13C	Sequence dp, sortings	2200	x4787
13B	Letter A geometry, implementation	2000	x1011
12E	Start of the session constructive algorithms	2100	x1270
12D	Ball data structures, sortings	2400	x2393
11E	Forward, march! binary search, dp, greedy	2800	x374
11D	A Simple Task bitmasks, dp, graphs	2200	x5115
11C	How Many Squares? implementation	2200	x627
11B	Jumping Jack math	1600	x4919
10E	Greedy Change constructive algorithms	2600	x845
10D	LCIS dp	2800	x4630
10C	Digital Root number theory	2000	x1485
10B	Cinema Cashier dp, implementation	1500	x1815
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1062
9D	How many trees? combinatorics, divide and conquer, dp	1900	x3966
8E	Beads dp, graphs	2600	x705
8D	Two Friends binary search, geometry	2600	x537
8C	Looking for Order bitmasks, dp	2000	x3658
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4439
7E	Defining Macros dp, expression parsing, implementation	2600	x730
7D	Palindrome Degree hashing, strings	2200	x3846
7C	Line math, number theory	1800	x4729
7B	Memory Manager implementation	1600	x2646
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x3388
6D	Lizards and Basements 2 brute force, dp	2600	x2039
5E	Bindian Signalizing data structures	2400	x2208
5D	Follow Traffic Rules implementation, math	2100	x1763
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x14494
4D	Mysterious Present dp, sortings	1700	x10610
3D	Least Cost Bracket Sequence greedy	2600	x3456
3C	Tic-tac-toe brute force, games, implementation	1800	x7504
3B	Lorry greedy, sortings	1900	x4667
2C	Commentator problem geometry	2600	x1794
2B	The least round way dp, math	2000	x11200
2A	Winner hashing, implementation	1500	x27179
1C	Ancient Berland Circus geometry, math	2100	x5827
1B	Spreadsheet implementation, math	1600	x23366

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