Problemset - Codeforces

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Problems

#	Name
43E	Race brute force, implementation, two pointers	2300	x396
43D	Journey brute force, constructive algorithms, implementation	2000	x1091
42E	Baldman and the military dfs and similar, graphs, trees	2700	x206
42D	Strange town constructive algorithms, math	2300	x412
42C	Safe cracking brute force, constructive algorithms	2200	x488
42B	Game of chess unfinished implementation	1700	x957
42A	Guilty --- to the kitchen! greedy, implementation	1400	x2860
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1978
41D	Pawn dp	1900	x2444
41B	Martian Dollar brute force	1400	x4056
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
39J	Spelling Check hashing, implementation, strings	1500	x3006
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	x306
38G	Queue data structures	2300	x709
38F	Smart Boy dp, games, strings	2100	x392
38E	Let's Go Rolling! dp, sortings	1800	x2589
38D	Vasya the Architect implementation	1900	x500
38C	Blinds brute force	1400	x2186
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	x1735
37B	Computer Game greedy, implementation	1800	x926
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	x1515
35E	Parade data structures, sortings	2100	x750
35D	Animals dp, greedy	1700	x3369
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6933
35B	Warehouse implementation	1700	x1022
34E	Collisions brute force, implementation, math	2000	x591
34D	Road Map dfs and similar, graphs	1600	x5226
33E	Helper	2600	x131
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1216
33C	Wonderful Randomized Sum greedy	1800	x3028
33B	String Problem shortest paths	1800	x4605
32E	Hide-and-Seek geometry, implementation	2400	x337
32D	Constellation implementation	1600	x1289
32C	Flea math	1700	x2176
31E	TV Game dp	2400	x1105
31D	Chocolate dfs and similar, implementation	2000	x1048
31C	Schedule implementation	1700	x1828
31B	Sysadmin Bob greedy, implementation, strings	1500	x4347
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	x1975
30B	Codeforces World Finals implementation	1700	x1205
30A	Accounting brute force, math	1400	x3482
29E	Quarrel graphs, shortest paths	2400	x928
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2482
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x5008
29B	Traffic Lights implementation	1500	x2995
28E	DravDe saves the world geometry, math	2800	x91
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x617
28C	Bath Queue combinatorics, dp, probabilities	2200	x1058
28B	pSort dfs and similar, dsu, graphs	1600	x4721
28A	Bender Problem implementation	1600	x801
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x4254
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2550
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2814
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	x19768
25E	Test hashing, strings	2200	x2513
25D	Roads not only in Berland dsu, graphs, trees	1900	x11569
25C	Roads in Berland graphs, shortest paths	1900	x6396
24E	Berland collider binary search	2300	x902
24D	Broken robot dp, math, probabilities	2400	x1993
24C	Sequence of points geometry, implementation, math	1800	x1264
24B	F1 Champions implementation	1500	x1787
24A	Ring road graphs	1400	x5243
23E	Tree dp	2500	x620
23D	Tetragon geometry, math	2600	x337
23C	Oranges and Apples constructive algorithms, sortings	2500	x1430
23B	Party constructive algorithms, graphs, math	1600	x3378
22E	Scheme dfs and similar, graphs, trees	2300	x1672
22D	Segments greedy, sortings	1900	x2756
22C	System Administrator graphs	1700	x3150
22B	Bargaining Table brute force, dp	1500	x4250
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x908
21C	Stripe 2 binary search, dp, sortings	2000	x2154
21B	Intersection implementation, math	2000	x1359
21A	Jabber ID implementation, strings	1900	x1885
20C	Dijkstra? graphs, shortest paths	1900	x33406
20B	Equation math	2000	x3926
20A	BerOS file system implementation	1700	x6266
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1895
19D	Points data structures	2800	x2465
19C	Deletion of Repeats greedy, hashing, string suffix structures	2200	x1108
19B	Checkout Assistant dp	1900	x4864