Problemset - Codeforces

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IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)
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Problems

#	Name
45B	School dp, dsu	2200	x286
44J	Triminoes constructive algorithms, greedy	2000	x579
44I	Toys brute force, combinatorics	2300	x200
44H	Phone Number dp	1700	x1768
44G	Shooting Gallery data structures, implementation	2500	x436
44F	BerPaint geometry, graphs	2700	x69
44E	Anfisa the Monkey dp	1400	x5308
44D	Hyperdrive math	1800	x722
44B	Cola implementation	1500	x2047
43E	Race brute force, implementation, two pointers	2300	x398
43D	Journey brute force, constructive algorithms, implementation	2000	x1117
42E	Baldman and the military dfs and similar, graphs, trees	2700	x209
42D	Strange town constructive algorithms, math	2300	x414
42C	Safe cracking brute force, constructive algorithms	2200	x493
42B	Game of chess unfinished implementation	1700	x958
42A	Guilty --- to the kitchen! greedy, implementation	1400	x2878
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1990
41D	Pawn dp	1900	x2474
41B	Martian Dollar brute force	1400	x4095
40E	Number Table combinatorics	2500	x689
40D	Interesting Sequence math	2600	x143
40C	Berland Square implementation, math	2300	x256
40B	Repaintings math	1600	x1189
39K	Testing	2600	x86
39J	Spelling Check hashing, implementation, strings	1500	x3046
39I	Tram	2500	x144
39G	Inverse Function implementation	2400	x130
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x890
39C	Moon Craters dp, sortings	2100	x613
39A	C*++ Calculations expression parsing, greedy	2000	x717
38H	The Great Marathon dp	2400	x315
38G	Queue data structures	2300	x713
38F	Smart Boy dp, games, strings	2100	x395
38E	Let's Go Rolling! dp, sortings	1800	x2627
38D	Vasya the Architect implementation	1900	x555
38C	Blinds brute force	1400	x2268
37E	Trial for Chief graphs, greedy, shortest paths	2600	x632
37D	Lesson Timetable combinatorics, dp, math	2300	x423
37C	Old Berland Language data structures, greedy, trees	1900	x1751
37B	Computer Game greedy, implementation	1800	x971
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x542
36D	New Game with a Chess Piece games	2300	x716
36C	Bowls geometry, implementation	2200	x341
36B	Fractal implementation	1600	x1534
35E	Parade data structures, sortings	2100	x760
35D	Animals dp, greedy	1700	x3417
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x7060
35B	Warehouse implementation	1700	x1032
34E	Collisions brute force, implementation, math	2000	x594
34D	Road Map dfs and similar, graphs	1600	x5305
33E	Helper	2600	x132
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1245
33C	Wonderful Randomized Sum greedy	1800	x3060
33B	String Problem shortest paths	1800	x4701
32E	Hide-and-Seek geometry, implementation	2400	x345
32D	Constellation implementation	1600	x1299
32C	Flea math	1700	x2198
31E	TV Game dp	2400	x1123
31D	Chocolate dfs and similar, implementation	2000	x1051
31C	Schedule implementation	1700	x1846
31B	Sysadmin Bob greedy, implementation, strings	1500	x4382
30E	Tricky and Clever Password binary search, constructive algorithms, data structures, greedy, hashing, strings	2800	x751
30D	King's Problem? geometry, greedy	2600	x457
30C	Shooting Gallery dp, probabilities	1800	x2002
30B	Codeforces World Finals implementation	1700	x1214
30A	Accounting brute force, math	1400	x3533
29E	Quarrel graphs, shortest paths	2400	x939
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2520
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x5138
29B	Traffic Lights implementation	1500	x3014
28E	DravDe saves the world geometry, math	2800	x94
28D	Don't fear, DravDe is kind binary search, data structures, dp, hashing	2400	x622
28C	Bath Queue combinatorics, dp, probabilities	2200	x1072
28B	pSort dfs and similar, dsu, graphs	1600	x4785
28A	Bender Problem implementation	1600	x809
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x4307
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2597
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2829
26E	Multithreading constructive algorithms	2400	x381
26D	Tickets combinatorics, math, probabilities	2400	x809
26C	Parquet combinatorics, constructive algorithms, greedy, implementation	2000	x871
26B	Regular Bracket Sequence greedy	1400	x20215
25E	Test hashing, strings	2200	x2557
25D	Roads not only in Berland dsu, graphs, trees	1900	x11811
25C	Roads in Berland graphs, shortest paths	1900	x6470
24E	Berland collider binary search	2300	x921
24D	Broken robot dp, math, probabilities	2400	x2021
24C	Sequence of points geometry, implementation, math	1800	x1272
24B	F1 Champions implementation	1500	x1809
24A	Ring road graphs	1400	x5374
23E	Tree dp	2500	x639
23D	Tetragon geometry, math	2600	x339
23C	Oranges and Apples constructive algorithms, sortings	2500	x1444
23B	Party constructive algorithms, graphs, math	1600	x3427
22E	Scheme dfs and similar, graphs, trees	2300	x1720
22D	Segments greedy, sortings	1900	x2804
22C	System Administrator graphs	1700	x3223
22B	Bargaining Table brute force, dp	1500	x4288
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x928
21C	Stripe 2 binary search, dp, sortings	2000	x2182