Problemset - Codeforces

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Problems

#	Name
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x661
21C	Stripe 2 binary search, dp, sortings	2000	x1693
21B	Intersection implementation, math	2000	x1155
21A	Jabber ID implementation, strings	1900	x1547
20C	Dijkstra? graphs, shortest paths	1900	x22360
20B	Equation math	2000	x2931
20A	BerOS file system implementation	1700	x4985
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1275
19D	Points data structures	2800	x1537
19C	Deletion of Repeats greedy, hashing, string suffix structures	2200	x911
19B	Checkout Assistant dp	1900	x3223
19A	World Football Cup implementation	1400	x2278
18E	Flag 2 dp	2000	x849
18D	Seller Bob brute force, dp, greedy	2000	x924
18C	Stripe data structures, implementation	1200	x10389
18B	Platforms brute force, math	1700	x1825
18A	Triangle brute force, geometry	1500	x4931
17E	Palisection strings	2900	x1197
17D	Notepad number theory	2400	x868
17C	Balance dp	2500	x707
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x3591
17A	Noldbach problem brute force, math, number theory	1000	x11798
16E	Fish bitmasks, dp, probabilities	1900	x3428
16D	Logging implementation, strings	1900	x1347
16C	Monitor binary search, number theory	1800	x3844
16B	Burglar and Matches greedy, implementation, sortings	900	x13687
16A	Flag implementation	800	x11074
15E	Triangles combinatorics, dp	2600	x487
15D	Map data structures, implementation, sortings	2500	x600
15C	Industrial Nim games	2000	x1893
15B	Laser math	1800	x1124
15A	Cottage Village implementation, sortings	1200	x3021
14E	Camels dp	1900	x1358
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x3626
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x2716
14B	Young Photographer implementation	1000	x5606
14A	Letter implementation	800	x8543
13E	Holes data structures, dsu	2700	x3972
13D	Triangles dp, geometry	2600	x532
13C	Sequence dp, sortings	2200	x2964
13B	Letter A geometry, implementation	2000	x715
13A	Numbers implementation, math	1000	x6242
12E	Start of the session constructive algorithms	2100	x948
12D	Ball data structures, sortings	2400	x1628
12C	Fruits greedy, implementation, sortings	1100	x4670
12B	Correct Solution? implementation, sortings	1100	x6654
12A	Super Agent implementation	800	x9453
11E	Forward, march! binary search, dp, greedy	2800	x239
11D	A Simple Task bitmasks, dp, graphs	2200	x3221
11C	How Many Squares? implementation	2200	x531
11B	Jumping Jack math	1600	x3501
11A	Increasing Sequence constructive algorithms, implementation, math	900	x9865
10E	Greedy Change constructive algorithms	2600	x677
10D	LCIS dp	2800	x3018
10C	Digital Root number theory	2000	x1242
10B	Cinema Cashier dp, implementation	1500	x1517
10A	Power Consumption Calculation implementation	900	x5235
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x858
9D	How many trees? combinatorics, divide and conquer, dp	1900	x3024
9C	Hexadecimal's Numbers brute force, implementation, math	1200	x10898
9B	Running Student brute force, geometry, implementation	1200	x4590
9A	Die Roll math, probabilities	800	x39072
8E	Beads dp, graphs	2600	x581
8D	Two Friends binary search, geometry	2600	x472
8C	Looking for Order bitmasks, dp	2000	x2705
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x3479
8A	Train and Peter strings	1200	x4783
7E	Defining Macros dp, expression parsing, implementation	2600	x617
7D	Palindrome Degree hashing, strings	2200	x2934
7C	Line math, number theory	1800	x3477
7B	Memory Manager implementation	1600	x2046
7A	Kalevitch and Chess brute force, constructive algorithms	1100	x6034
6E	Exposition binary search, data structures, dsu, trees, two pointers	1900	x2525
6D	Lizards and Basements 2 brute force, dp	2600	x1523
6C	Alice, Bob and Chocolate greedy, two pointers	1200	x10348
6B	President's Office implementation	1100	x10026
6A	Triangle brute force, geometry	900	x15141
5E	Bindian Signalizing data structures	2400	x1645
5D	Follow Traffic Rules implementation, math	2100	x1286
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x9956
5B	Center Alignment implementation, strings	1200	x4806
5A	Chat Servers Outgoing Traffic implementation	1000	x8002
4D	Mysterious Present dp, sortings	1700	x8293
4C	Registration System data structures, hashing, implementation	1300	x58197
4B	Before an Exam constructive algorithms, greedy	1200	x19426
4A	Watermelon brute force, math	800	x363135
3D	Least Cost Bracket Sequence greedy	2600	x2473
3C	Tic-tac-toe brute force, games, implementation	1800	x5906
3B	Lorry greedy, sortings	1900	x3585
3A	Shortest path of the king greedy, shortest paths	1000	x15715
2C	Commentator problem geometry	2600	x1336
2B	The least round way dp, math	2000	x8680
2A	Winner hashing, implementation	1500	x20015
1C	Ancient Berland Circus geometry, math	2100	x4785
1B	Spreadsheet implementation, math	1600	x18512
1A	Theatre Square math	1000	x196531

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