Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Problems

#	Name
42B	Game of chess unfinished implementation	1700	x957
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1978
41D	Pawn dp	1900	x2447
40E	Number Table combinatorics	2500	x685
40D	Interesting Sequence math	2600	x142
40C	Berland Square implementation, math	2300	x253
40B	Repaintings math	1600	x1173
39K	Testing	2600	x86
39I	Tram	2500	x143
39G	Inverse Function implementation	2400	x130
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x884
39C	Moon Craters dp, sortings	2100	x605
39A	C*++ Calculations expression parsing, greedy	2000	x705
38H	The Great Marathon dp	2400	x310
38G	Queue data structures	2300	x709
38F	Smart Boy dp, games, strings	2100	x393
38E	Let's Go Rolling! dp, sortings	1800	x2591
38D	Vasya the Architect implementation	1900	x500
37E	Trial for Chief graphs, greedy, shortest paths	2600	x622
37D	Lesson Timetable combinatorics, dp, math	2300	x419
37C	Old Berland Language data structures, greedy, trees	1900	x1736
37B	Computer Game greedy, implementation	1800	x929
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x534
36D	New Game with a Chess Piece games	2300	x710
36C	Bowls geometry, implementation	2200	x340
36B	Fractal implementation	1600	x1517
35E	Parade data structures, sortings	2100	x752
35D	Animals dp, greedy	1700	x3370
35B	Warehouse implementation	1700	x1022
34E	Collisions brute force, implementation, math	2000	x592
34D	Road Map dfs and similar, graphs	1600	x5230
33E	Helper	2600	x131
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1216
33C	Wonderful Randomized Sum greedy	1800	x3029
33B	String Problem shortest paths	1800	x4618
32E	Hide-and-Seek geometry, implementation	2400	x344
32D	Constellation implementation	1600	x1289
32C	Flea math	1700	x2177
31E	TV Game dp	2400	x1109
31D	Chocolate dfs and similar, implementation	2000	x1048
31C	Schedule implementation	1700	x1829
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
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
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	x1059
28B	pSort dfs and similar, dsu, graphs	1600	x4731
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	x2553
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2815
26E	Multithreading constructive algorithms	2400	x377
26D	Tickets combinatorics, math, probabilities	2400	x801
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x863
25E	Test hashing, strings	2200	x2518
25D	Roads not only in Berland dsu, graphs, trees	1900	x11587
25C	Roads in Berland graphs, shortest paths	1900	x6407
24E	Berland collider binary search	2300	x904
24D	Broken robot dp, math, probabilities	2400	x1995
24C	Sequence of points geometry, implementation, math	1800	x1266
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	x3380
22E	Scheme dfs and similar, graphs, trees	2300	x1673
22D	Segments greedy, sortings	1900	x2758
22C	System Administrator graphs	1700	x3157
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	x33457
20B	Equation math	2000	x3933
20A	BerOS file system implementation	1700	x6277
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1896
19D	Points data structures	2800	x2470
19C	Deletion of Repeats greedy, hashing, string suffix structures	2200	x1109
19B	Checkout Assistant dp	1900	x4871
18E	Flag 2 dp	2000	x1091
18D	Seller Bob brute force, dp, greedy	2000	x1078
18B	Platforms brute force, math	1700	x2154
17E	Palisection strings	2900	x1605
17D	Notepad number theory	2400	x1101
17C	Balance dp	2500	x939
16E	Fish bitmasks, dp, probabilities	1900	x5216
16D	Logging implementation, strings	1900	x1622
16C	Monitor binary search, number theory	1800	x4803
15E	Triangles combinatorics, dp	2600	x588
15D	Map data structures, implementation, sortings	2500	x771
15C	Industrial Nim games	2000	x2336
15B	Laser math	1800	x1478
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	x3412
13E	Holes data structures, dsu	2700	x6152