Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
2 days
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Problems

#	Name
36B	Fractal implementation	1600	x1431
36A	Extra-terrestrial Intelligence implementation	1300	x2906
35E	Parade data structures, sortings	2100	x704
35D	Animals dp, greedy	1700	x3167
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6408
35B	Warehouse implementation	1700	x993
35A	Shell Game implementation	1000	x6638
34E	Collisions brute force, implementation, math	2000	x564
34D	Road Map dfs and similar, graphs	1600	x4879
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4085
34B	Sale greedy, sortings	900	x49226
34A	Reconnaissance 2 implementation	800	x28657
33E	Helper	2600	x124
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1143
33C	Wonderful Randomized Sum greedy	1800	x2888
33B	String Problem shortest paths	1800	x4122
33A	What is for dinner? greedy, implementation	1200	x3881
32E	Hide-and-Seek geometry, implementation	2400	x324
32D	Constellation implementation	1600	x1242
32C	Flea math	1700	x2065
32B	Borze expression parsing, implementation	800	x59437
32A	Reconnaissance brute force	800	x12059
31E	TV Game dp	2400	x1026
31D	Chocolate dfs and similar, implementation	2000	x1000
31C	Schedule implementation	1700	x1736
31B	Sysadmin Bob greedy, implementation, strings	1500	x4125
31A	Worms Evolution implementation	1200	x9976
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x679
30D	King's Problem? geometry, greedy	2600	x412
30C	Shooting Gallery dp, probabilities	1800	x1860
30B	Codeforces World Finals implementation	1700	x1155
30A	Accounting brute force, math	1400	x3338
29E	Quarrel graphs, shortest paths	2400	x867
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2334
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4599
29B	Traffic Lights implementation	1500	x2849
29A	Spit Problem brute force	1000	x6859
28E	DravDe saves the world geometry, math	2800	x87
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x591
28C	Bath Queue combinatorics, dp, probabilities	2200	x986
28B	pSort dfs and similar, dsu, graphs	1600	x4432
28A	Bender Problem implementation	1600	x771
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x4012
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2380
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2699
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5169
27A	Next Test implementation, sortings	1200	x19443
26E	Multithreading constructive algorithms	2400	x367
26D	Tickets combinatorics, math, probabilities	2400	x761
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x825
26B	Regular Bracket Sequence greedy	1400	x17668
26A	Almost Prime number theory	900	x28898
25E	Test hashing, strings	2200	x2220
25D	Roads not only in Berland dsu, graphs, trees	1900	x10474
25C	Roads in Berland graphs, shortest paths	1900	x5915
25B	Phone numbers implementation	1100	x9363
25A	IQ test brute force	1300	x81878
24E	Berland collider binary search	2300	x864
24D	Broken robot dp, math, probabilities	2400	x1808
24C	Sequence of points geometry, implementation, math	1800	x1218
24B	F1 Champions implementation	1500	x1720
24A	Ring road graphs	1400	x4818
23E	Tree dp	2500	x592
23D	Tetragon geometry, math	2600	x326
23C	Oranges and Apples constructive algorithms, sortings	2500	x1363
23B	Party constructive algorithms, graphs, math	1600	x3209
23A	You're Given a String... brute force, greedy	1200	x5097
22E	Scheme dfs and similar, graphs, trees	2300	x1554
22D	Segments greedy, sortings	1900	x2632
22C	System Administrator graphs	1700	x2963
22B	Bargaining Table brute force, dp	1500	x4095
22A	Second Order Statistics brute force	800	x21048
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x805
21C	Stripe 2 binary search, dp, sortings	2000	x2029
21B	Intersection implementation, math	2000	x1307
21A	Jabber ID implementation, strings	1900	x1788
20C	Dijkstra? graphs, shortest paths	1900	x30369
20B	Equation math	2000	x3678
20A	BerOS file system implementation	1700	x5980
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1635
19D	Points data structures	2800	x2159
19C	Deletion of Repeats greedy, hashing, string suffix structures	2200	x1051
19B	Checkout Assistant dp	1900	x4464
19A	World Football Cup implementation	1400	x2649
18E	Flag 2 dp	2000	x1027
18D	Seller Bob brute force, dp, greedy	2000	x1034
18C	Stripe data structures, implementation	1200	x12544
18B	Platforms brute force, math	1700	x2070
18A	Triangle brute force, geometry	1500	x5728
17E	Palisection strings	2900	x1517
17D	Notepad number theory	2400	x1041
17C	Balance dp	2500	x819
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4513
17A	Noldbach problem brute force, math, number theory	1000	x15250
16E	Fish bitmasks, dp, probabilities	1900	x4703
16D	Logging implementation, strings	1900	x1517
16C	Monitor binary search, number theory	1800	x4543
16B	Burglar and Matches greedy, implementation, sortings	900	x17023
16A	Flag implementation	800	x13676
15E	Triangles combinatorics, dp	2600	x559