Problemset - Codeforces

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Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)
06:14:25
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Problems

#	Name
40C	Berland Square implementation, math	2300	x252
40B	Repaintings math	1600	x1165
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x4020
39K	Testing	2600	x85
39J	Spelling Check hashing, implementation, strings	1500	x2970
39I	Tram	2500	x140
39H	Multiplication Table implementation	1300	x2739
39G	Inverse Function implementation	2400	x129
39F	Pacifist frogs implementation	1300	x1554
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x879
39D	Cubical Planet math	1100	x3950
39C	Moon Craters dp, sortings	2100	x600
39B	Company Income Growth greedy	1300	x2652
39A	C*++ Calculations expression parsing, greedy	2000	x682
38H	The Great Marathon dp	2400	x287
38G	Queue data structures	2300	x703
38F	Smart Boy dp, games, strings	2100	x388
38E	Let's Go Rolling! dp, sortings	1800	x2575
38D	Vasya the Architect implementation	1900	x496
38C	Blinds brute force	1400	x2170
38B	Chess brute force, implementation, math	1200	x3526
38A	Army implementation	800	x21127
37E	Trial for Chief graphs, greedy, shortest paths	2600	x616
37D	Lesson Timetable combinatorics, dp, math	2300	x413
37C	Old Berland Language data structures, greedy, trees	1900	x1672
37B	Computer Game greedy, implementation	1800	x897
37A	Towers sortings	1000	x24408
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x521
36D	New Game with a Chess Piece games	2300	x705
36C	Bowls geometry, implementation	2200	x338
36B	Fractal implementation	1600	x1492
36A	Extra-terrestrial Intelligence implementation	1300	x3003
35E	Parade data structures, sortings	2100	x738
35D	Animals dp, greedy	1700	x3323
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6823
35B	Warehouse implementation	1700	x1016
35A	Shell Game implementation	1000	x6810
34E	Collisions brute force, implementation, math	2000	x588
34D	Road Map dfs and similar, graphs	1600	x5149
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4221
34B	Sale greedy, sortings	900	x52146
34A	Reconnaissance 2 implementation	800	x29809
33E	Helper	2600	x129
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1210
33C	Wonderful Randomized Sum greedy	1800	x2992
33B	String Problem shortest paths	1800	x4539
33A	What is for dinner? greedy, implementation	1200	x4054
32E	Hide-and-Seek geometry, implementation	2400	x336
32D	Constellation implementation	1600	x1277
32C	Flea math	1700	x2142
32B	Borze expression parsing, implementation	800	x63508
32A	Reconnaissance brute force	800	x12497
31E	TV Game dp	2400	x1080
31D	Chocolate dfs and similar, implementation	2000	x1040
31C	Schedule implementation	1700	x1811
31B	Sysadmin Bob greedy, implementation, strings	1500	x4316
31A	Worms Evolution implementation	1200	x10286
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x741
30D	King's Problem? geometry, greedy	2600	x435
30C	Shooting Gallery dp, probabilities	1800	x1952
30B	Codeforces World Finals implementation	1700	x1198
30A	Accounting brute force, math	1400	x3457
29E	Quarrel graphs, shortest paths	2400	x901
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2449
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4906
29B	Traffic Lights implementation	1500	x2952
29A	Spit Problem brute force	1000	x7058
28E	DravDe saves the world geometry, math	2800	x90
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x611
28C	Bath Queue combinatorics, dp, probabilities	2200	x1039
28B	pSort dfs and similar, dsu, graphs	1600	x4636
28A	Bender Problem implementation	1600	x799
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x4204
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2517
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2796
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5352
27A	Next Test implementation, sortings	1200	x20233
26E	Multithreading constructive algorithms	2400	x375
26D	Tickets combinatorics, math, probabilities	2400	x782
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x856
26B	Regular Bracket Sequence greedy	1400	x19241
26A	Almost Prime number theory	900	x31144
25E	Test hashing, strings	2200	x2445
25D	Roads not only in Berland dsu, graphs, trees	1900	x11299
25C	Roads in Berland graphs, shortest paths	1900	x6256
25B	Phone numbers implementation	1100	x9667
25A	IQ test brute force	1300	x86014
24E	Berland collider binary search	2300	x897
24D	Broken robot dp, math, probabilities	2400	x1942
24C	Sequence of points geometry, implementation, math	1800	x1254
24B	F1 Champions implementation	1500	x1779
24A	Ring road graphs	1400	x5103
23E	Tree dp	2500	x613
23D	Tetragon geometry, math	2600	x336
23C	Oranges and Apples constructive algorithms, sortings	2500	x1414
23B	Party constructive algorithms, graphs, math	1600	x3341
23A	You're Given a String... brute force, greedy	1200	x5322
22E	Scheme dfs and similar, graphs, trees	2300	x1631
22D	Segments greedy, sortings	1900	x2716
22C	System Administrator graphs	1700	x3102