Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
15:43:37
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Problems

#	Name
35D	Animals dp, greedy	1700	x3139
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6237
35B	Warehouse implementation	1700	x988
35A	Shell Game implementation	1000	x6609
34E	Collisions brute force, implementation, math	2000	x563
34D	Road Map dfs and similar, graphs	1600	x4848
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4063
34B	Sale greedy, sortings	900	x48458
34A	Reconnaissance 2 implementation	800	x28404
33E	Helper	2600	x121
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1128
33C	Wonderful Randomized Sum greedy	1800	x2841
33B	String Problem shortest paths	1800	x4064
33A	What is for dinner? greedy, implementation	1200	x3842
32E	Hide-and-Seek geometry, implementation	2400	x321
32D	Constellation implementation	1600	x1237
32C	Flea math	1700	x2050
32B	Borze expression parsing, implementation	800	x58471
32A	Reconnaissance brute force	800	x11964
31E	TV Game dp	2400	x1018
31D	Chocolate dfs and similar, implementation	2000	x988
31C	Schedule implementation	1700	x1720
31B	Sysadmin Bob greedy, implementation, strings	1500	x4097
31A	Worms Evolution implementation	1200	x9911
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x672
30D	King's Problem? geometry, greedy	2600	x409
30C	Shooting Gallery dp, probabilities	1800	x1848
30B	Codeforces World Finals implementation	1700	x1148
30A	Accounting brute force, math	1400	x3310
29E	Quarrel graphs, shortest paths	2400	x859
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2295
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4545
29B	Traffic Lights implementation	1500	x2822
29A	Spit Problem brute force	1000	x6814
28E	DravDe saves the world geometry, math	2800	x85
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x582
28C	Bath Queue combinatorics, dp, probabilities	2200	x981
28B	pSort dfs and similar, dsu, graphs	1600	x4394
28A	Bender Problem implementation	1600	x769
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x3983
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2357
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2681
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5133
27A	Next Test implementation, sortings	1200	x19266
26E	Multithreading constructive algorithms	2400	x362
26D	Tickets combinatorics, math, probabilities	2400	x745
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x820
26B	Regular Bracket Sequence greedy	1400	x17416
26A	Almost Prime number theory	900	x28438
25E	Test hashing, strings	2200	x2166
25D	Roads not only in Berland dsu, graphs, trees	1900	x10311
25C	Roads in Berland graphs, shortest paths	1900	x5841
25B	Phone numbers implementation	1100	x9276
25A	IQ test brute force	1300	x80879
24E	Berland collider binary search	2300	x854
24D	Broken robot dp, math, probabilities	2400	x1788
24C	Sequence of points geometry, implementation, math	1800	x1210
24B	F1 Champions implementation	1500	x1709
24A	Ring road graphs	1400	x4756
23E	Tree dp	2500	x588
23D	Tetragon geometry, math	2600	x325
23C	Oranges and Apples constructive algorithms, sortings	2500	x1355
23B	Party constructive algorithms, graphs, math	1600	x3194
23A	You're Given a String... brute force, greedy	1200	x5064
22E	Scheme dfs and similar, graphs, trees	2300	x1532
22D	Segments greedy, sortings	1900	x2602
22C	System Administrator graphs	1700	x2933
22B	Bargaining Table brute force, dp	1500	x4068
22A	Second Order Statistics brute force	800	x20799
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x789
21C	Stripe 2 binary search, dp, sortings	2000	x2009
21B	Intersection implementation, math	2000	x1298
21A	Jabber ID implementation, strings	1900	x1763
20C	Dijkstra? graphs, shortest paths	1900	x29747
20B	Equation math	2000	x3637
20A	BerOS file system implementation	1700	x5927
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1598
19D	Points data structures	2800	x2081
19C	Deletion of Repeats greedy, hashing, string suffix structures	2200	x1043
19B	Checkout Assistant dp	1900	x4347
19A	World Football Cup implementation	1400	x2577
18E	Flag 2 dp	2000	x1016
18D	Seller Bob brute force, dp, greedy	2000	x1029
18C	Stripe data structures, implementation	1200	x12436
18B	Platforms brute force, math	1700	x2059
18A	Triangle brute force, geometry	1500	x5688
17E	Palisection strings	2900	x1503
17D	Notepad number theory	2400	x1029
17C	Balance dp	2500	x812
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4460
17A	Noldbach problem brute force, math, number theory	1000	x15004
16E	Fish bitmasks, dp, probabilities	1900	x4613
16D	Logging implementation, strings	1900	x1509
16C	Monitor binary search, number theory	1800	x4491
16B	Burglar and Matches greedy, implementation, sortings	900	x16786
16A	Flag implementation	800	x13550
15E	Triangles combinatorics, dp	2600	x556
15D	Map data structures, implementation, sortings	2500	x708
15C	Industrial Nim games	2000	x2156
15B	Laser math	1800	x1247