Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round, Div. 1 + Div. 2)
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Problems

#	Name
31D	Chocolate dfs and similar, implementation	2000	x1048
31C	Schedule implementation	1700	x1829
31B	Sysadmin Bob greedy, implementation, strings	1500	x4352
31A	Worms Evolution implementation	1200	x10411
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x744
30D	King's Problem? geometry, greedy	2600	x453
30C	Shooting Gallery dp, probabilities	1800	x1976
30B	Codeforces World Finals implementation	1700	x1206
30A	Accounting brute force, math	1400	x3487
29E	Quarrel graphs, shortest paths	2400	x928
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2483
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x5013
29B	Traffic Lights implementation	1500	x2996
29A	Spit Problem brute force	1000	x7132
28E	DravDe saves the world geometry, math	2800	x91
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x618
28C	Bath Queue combinatorics, dp, probabilities	2200	x1058
28B	pSort dfs and similar, dsu, graphs	1600	x4727
28A	Bender Problem implementation	1600	x801
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x4257
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2551
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2815
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5386
27A	Next Test implementation, sortings	1200	x20501
26E	Multithreading constructive algorithms	2400	x376
26D	Tickets combinatorics, math, probabilities	2400	x801
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x863
26B	Regular Bracket Sequence greedy	1400	x19789
26A	Almost Prime number theory	900	x32019
25E	Test hashing, strings	2200	x2518
25D	Roads not only in Berland dsu, graphs, trees	1900	x11586
25C	Roads in Berland graphs, shortest paths	1900	x6406
25B	Phone numbers implementation	1100	x9761
25A	IQ test brute force	1300	x87430
24E	Berland collider binary search	2300	x903
24D	Broken robot dp, math, probabilities	2400	x1995
24C	Sequence of points geometry, implementation, math	1800	x1266
24B	F1 Champions implementation	1500	x1791
24A	Ring road graphs	1400	x5248
23E	Tree dp	2500	x620
23D	Tetragon geometry, math	2600	x337
23C	Oranges and Apples constructive algorithms, sortings	2500	x1431
23B	Party constructive algorithms, graphs, math	1600	x3379
23A	You're Given a String... brute force, greedy	1200	x5374
22E	Scheme dfs and similar, graphs, trees	2300	x1672
22D	Segments greedy, sortings	1900	x2758
22C	System Administrator graphs	1700	x3157
22B	Bargaining Table brute force, dp	1500	x4251
22A	Second Order Statistics brute force	800	x22604
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x910
21C	Stripe 2 binary search, dp, sortings	2000	x2158
21B	Intersection implementation, math	2000	x1360
21A	Jabber ID implementation, strings	1900	x1886
20C	Dijkstra? graphs, shortest paths	1900	x33449
20B	Equation math	2000	x3931
20A	BerOS file system implementation	1700	x6276
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1896
19D	Points data structures	2800	x2467
19C	Deletion of Repeats greedy, hashing, string suffix structures	2200	x1109
19B	Checkout Assistant dp	1900	x4870
19A	World Football Cup implementation	1400	x2782
18E	Flag 2 dp	2000	x1091
18D	Seller Bob brute force, dp, greedy	2000	x1077
18C	Stripe data structures, implementation	1200	x13323
18B	Platforms brute force, math	1700	x2154
18A	Triangle brute force, geometry	1500	x6103
17E	Palisection strings	2900	x1604
17D	Notepad number theory	2400	x1100
17C	Balance dp	2500	x937
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4920
17A	Noldbach problem brute force, math, number theory	1000	x16825
16E	Fish bitmasks, dp, probabilities	1900	x5216
16D	Logging implementation, strings	1900	x1619
16C	Monitor binary search, number theory	1800	x4803
16B	Burglar and Matches greedy, implementation, sortings	900	x18219
16A	Flag implementation	800	x14514
15E	Triangles combinatorics, dp	2600	x588
15D	Map data structures, implementation, sortings	2500	x771
15C	Industrial Nim games	2000	x2335
15B	Laser math	1800	x1478
15A	Cottage Village implementation, sortings	1200	x3937
14E	Camels dp	1900	x1730
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x4608
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3411
14B	Young Photographer implementation	1000	x7125
14A	Letter implementation	800	x10746
13E	Holes data structures, dsu	2700	x6147
13D	Triangles dp, geometry	2600	x667
13C	Sequence dp, sortings	2200	x4705
13B	Letter A geometry, implementation	2000	x1006
13A	Numbers implementation, math	1000	x7867
12E	Start of the session constructive algorithms	2100	x1239
12D	Ball data structures, sortings	2400	x2334
12C	Fruits greedy, implementation, sortings	1100	x6275
12B	Correct Solution? implementation, sortings	1100	x8614
12A	Super Agent implementation	800	x13230
11E	Forward, march! binary search, dp, greedy	2800	x369
11D	A Simple Task bitmasks, dp, graphs	2200	x4971
11C	How Many Squares? implementation	2200	x618
11B	Jumping Jack math	1600	x4748