Problemset - Codeforces

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Codeforces Round (Div. 3)
42:02:46
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Problems

#	Name
659B	Qualifying Contest constructive algorithms, sortings	1300	x6176
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x6176
1562D1	Two Hundred Twenty One (easy version) data structures, dp, math	1700	x6178
1190B	Tokitsukaze, CSL and Stone Game games	1800	x6178
1181B	Split a Number greedy, implementation, strings	1500	x6179
1111B	Average Superhero Gang Power brute force, implementation, math	1700	x6181
622C	Not Equal on a Segment data structures, implementation	1700	x6183
375D	Tree and Queries data structures, dfs and similar, trees	2400	x6184
1194D	1-2-K Game games, math	1700	x6186
909B	Segments constructive algorithms, math	1300	x6192
1043B	Lost Array implementation	1200	x6195
1467C	Three Bags constructive algorithms, greedy	1900	x6200
920F	SUM and REPLACE brute force, data structures, dsu, number theory	2000	x6203
66A	Petya and Java implementation, strings	1300	x6203
53C	Little Frog constructive algorithms	1200	x6212
151B	Phone Numbers implementation, strings	1200	x6214
71C	Round Table Knights dp, math, number theory	1600	x6219
242A	Heads or Tails brute force, implementation	1100	x6231
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6235
1861D	Sorting By Multiplication dp, greedy	1800	x6237
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6241
797C	Minimal string data structures, greedy, strings	1700	x6249
1912L	LOL Lovers strings	800	x6263
1763C	Another Array Problem brute force, constructive algorithms, greedy	2000	x6268
1283E	New Year Parties dp, greedy	1800	x6268
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6271
976C	Nested Segments greedy, implementation, sortings	1500	x6272
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x6274
288A	Polo the Penguin and Strings greedy	1300	x6275
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6276
630I	Parking Lot combinatorics, math	1700	x6276
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x6282
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x6286
369B	Valera and Contest constructive algorithms, implementation, math	1400	x6288
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x6291
1505C	Fibonacci Words *special problem, implementation	1400	x6293
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6296
609C	Load Balancing implementation, math	1500	x6298
592A	PawnChess implementation	1200	x6302
1073D	Berland Fair binary search, brute force, data structures, greedy	1700	x6307
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6312
472C	Design Tutorial: Make It Nondeterministic greedy	1400	x6314
45A	Codecraft III implementation	900	x6317
152B	Steps binary search, implementation	1300	x6319
794B	Cutting Carrot geometry, math	1200	x6324
1413D	Shurikens data structures, greedy, implementation	1700	x6331
498A	Crazy Town geometry	1700	x6332
1579E2	Array Optimization by Deque data structures, greedy	1700	x6333
166C	Median greedy, math, sortings	1500	x6339
722B	Verse Pattern implementation, strings	1200	x6342
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6345
999E	Reachability from the Capital dfs and similar, graphs, greedy	2000	x6346
1425A	Arena of Greed games, greedy	1400	x6347
1329B	Dreamoon Likes Sequences bitmasks, combinatorics, math	1700	x6352
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6356
1117C	Magic Ship binary search	1900	x6356
620C	Pearls in a Row greedy	1500	x6361
1131F	Asya And Kittens constructive algorithms, dsu	1700	x6362
1168A	Increasing by Modulo binary search, greedy	1700	x6363
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6366
1772E	Permutation Game games	1700	x6373
257A	Sockets greedy, implementation, sortings	1100	x6375
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6384
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6391
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6392
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6393
400A	Inna and Choose Options implementation	1000	x6400
803B	Distances to Zero constructive algorithms	1200	x6406
407B	Long Path dp, implementation	1600	x6406
1608C	Game Master data structures, dfs and similar, dp, graphs, greedy, two pointers	1700	x6411
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6416
1054B	Appending Mex implementation	1000	x6422
1185D	Extra Element implementation, math	1700	x6424
1000C	Covered Points Count data structures, implementation, sortings	1700	x6424
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6428
350C	Bombs greedy, implementation, sortings	1600	x6431
811B	Vladik and Complicated Book implementation, sortings	1200	x6437
485B	Valuable Resources brute force, greedy	1300	x6445
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6448
895A	Pizza Separation brute force, implementation	1200	x6448
514C	Watto and Mechanism binary search, data structures, hashing, string suffix structures, strings	2000	x6449
495B	Modular Equations math, number theory	1600	x6449
1313B	Different Rules constructive algorithms, greedy, implementation, math	1700	x6456
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x6460
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x6465
608B	Hamming Distance Sum combinatorics, strings	1500	x6471
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6472
1363E	Tree Shuffling dfs and similar, dp, greedy, trees	2000	x6477
1255C	League of Leesins constructive algorithms, implementation	1600	x6480
750C	New Year and Rating binary search, greedy, math	1600	x6486
555A	Case of Matryoshkas implementation	1500	x6488
379C	New Year Ratings Change greedy, sortings	1400	x6493
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x6494
626B	Cards constructive algorithms, dp, math	1300	x6504
91B	Queue binary search, data structures	1500	x6504
99A	Help Far Away Kingdom strings	800	x6506
847G	University Classes implementation	900	x6508
1722F	L-shapes dfs and similar, implementation	1700	x6511
986A	Fair graphs, greedy, number theory, shortest paths	1600	x6513
1114D	Flood Fill dp	1900	x6515