Problemset - Codeforces

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Codeforces Round (Div. 3)
7 days

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Problems

#	Name
42A	Guilty --- to the kitchen! greedy, implementation	1400	x2770
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1908
41D	Pawn dp	1900	x2207
41C	Email address expression parsing, implementation	1300	x3662
41B	Martian Dollar brute force	1400	x3900
41A	Translation implementation, strings	800	x137338
40E	Number Table combinatorics	2500	x659
40D	Interesting Sequence math	2600	x128
40C	Berland Square implementation, math	2300	x243
40B	Repaintings math	1600	x1124
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3913
39K	Testing	2600	x84
39J	Spelling Check hashing, implementation, strings	1500	x2844
39I	Tram	2500	x124
39H	Multiplication Table implementation	1300	x2629
39G	Inverse Function implementation	2400	x125
39F	Pacifist frogs implementation	1300	x1509
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x859
39D	Cubical Planet math	1100	x3790
39C	Moon Craters dp, sortings	2100	x572
39B	Company Income Growth greedy	1300	x2580
39A	C*++ Calculations expression parsing, greedy	2000	x658
38H	The Great Marathon dp	2400	x267
38G	Queue data structures	2300	x684
38F	Smart Boy dp, games, strings	2100	x379
38E	Let's Go Rolling! dp, sortings	1800	x2512
38D	Vasya the Architect implementation	1900	x479
38C	Blinds brute force	1400	x2100
38B	Chess brute force, implementation, math	1200	x3431
38A	Army implementation	800	x20668
37E	Trial for Chief graphs, greedy, shortest paths	2600	x590
37D	Lesson Timetable combinatorics, dp, math	2300	x390
37C	Old Berland Language data structures, greedy, trees	1900	x1573
37B	Computer Game greedy, implementation	1800	x871
37A	Towers sortings	1000	x23779
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x500
36D	New Game with a Chess Piece games	2300	x681
36C	Bowls geometry, implementation	2200	x330
36B	Fractal implementation	1600	x1441
36A	Extra-terrestrial Intelligence implementation	1300	x2917
35E	Parade data structures, sortings	2100	x707
35D	Animals dp, greedy	1700	x3180
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6511
35B	Warehouse implementation	1700	x995
35A	Shell Game implementation	1000	x6661
34E	Collisions brute force, implementation, math	2000	x567
34D	Road Map dfs and similar, graphs	1600	x4892
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4108
34B	Sale greedy, sortings	900	x49543
34A	Reconnaissance 2 implementation	800	x28791
33E	Helper	2600	x124
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1145
33C	Wonderful Randomized Sum greedy	1800	x2895
33B	String Problem shortest paths	1800	x4155
33A	What is for dinner? greedy, implementation	1200	x3900
32E	Hide-and-Seek geometry, implementation	2400	x324
32D	Constellation implementation	1600	x1247
32C	Flea math	1700	x2078
32B	Borze expression parsing, implementation	800	x59899
32A	Reconnaissance brute force	800	x12104
31E	TV Game dp	2400	x1037
31D	Chocolate dfs and similar, implementation	2000	x1002
31C	Schedule implementation	1700	x1747
31B	Sysadmin Bob greedy, implementation, strings	1500	x4147
31A	Worms Evolution implementation	1200	x10010
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x683
30D	King's Problem? geometry, greedy	2600	x413
30C	Shooting Gallery dp, probabilities	1800	x1868
30B	Codeforces World Finals implementation	1700	x1157
30A	Accounting brute force, math	1400	x3347
29E	Quarrel graphs, shortest paths	2400	x868
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2350
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4622
29B	Traffic Lights implementation	1500	x2855
29A	Spit Problem brute force	1000	x6877
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	x993
28B	pSort dfs and similar, dsu, graphs	1600	x4442
28A	Bender Problem implementation	1600	x773
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x4025
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2388
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2704
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5185
27A	Next Test implementation, sortings	1200	x19510
26E	Multithreading constructive algorithms	2400	x368
26D	Tickets combinatorics, math, probabilities	2400	x763
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x826
26B	Regular Bracket Sequence greedy	1400	x17822
26A	Almost Prime number theory	900	x29131
25E	Test hashing, strings	2200	x2236
25D	Roads not only in Berland dsu, graphs, trees	1900	x10564
25C	Roads in Berland graphs, shortest paths	1900	x5941
25B	Phone numbers implementation	1100	x9401
25A	IQ test brute force	1300	x82390
24E	Berland collider binary search	2300	x869
24D	Broken robot dp, math, probabilities	2400	x1815
24C	Sequence of points geometry, implementation, math	1800	x1220
24B	F1 Champions implementation	1500	x1732
24A	Ring road graphs	1400	x4867