Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
21:17:44
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Problems

#	Name
1707D	Partial Virtual Trees combinatorics, dfs and similar, dp, math, trees	3000	x581
568E	Longest Increasing Subsequence data structures, dp	3000	x572
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x556
1442E	Black, White and Grey Tree binary search, constructive algorithms, dfs and similar, dp, greedy, trees	3000	x551
1028G	Guess the number dp, interactive	3000	x528
1534F2	Falling Sand (Hard Version) dfs and similar, dp, graphs, greedy	3000	x514
889E	Mod Mod Mod binary search, dp, math	3000	x514
793F	Julia the snail data structures, divide and conquer, dp	3000	x505
582E	Boolean Function bitmasks, dp, expression parsing	3000	x475
453D	Little Pony and Elements of Harmony dp, matrices	3000	x459
335F	Buy One, Get One Free dp, greedy	3000	x455
1381D	The Majestic Brown Tree Snake dfs and similar, dp, greedy, trees, two pointers	3000	x447
573D	Bear and Cavalry data structures, divide and conquer, dp	3000	x445
771E	Bear and Rectangle Strips dp, greedy	3000	x440
1175G	Yet Another Partiton Problem data structures, divide and conquer, dp, geometry, two pointers	3000	x428
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x417
1299D	Around the World bitmasks, combinatorics, dfs and similar, dp, graphs, graphs, math, trees	3000	x414
356E	Xenia and String Problem dp, hashing, implementation, string suffix structures, strings	3000	x400
375E	Red and Black Tree dp, implementation, math	3000	x397
264E	Roadside Trees data structures, dp	3000	x396
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x379
436F	Banners brute force, data structures, dp	3000	x358
1776M	Parmigiana With Seafood binary search, dp, greedy, trees	3000	x343
1168D	Anagram Paths dp, implementation, trees	3000	x334
1252D	Find String in a Grid data structures, dp, strings, trees	3000	x324
936D	World of Tank dp, greedy	3000	x322
303E	Random Ranking dp, math, probabilities	3000	x311
778E	Selling Numbers dp, sortings	3000	x299
1572E	Polygon binary search, dp, geometry	3000	x277
1874E	Jellyfish and Hack dp, math	3000	x266
1743G	Antifibonacci Cut bitmasks, combinatorics, constructive algorithms, data structures, dp, hashing, math	3000	x244
1474F	1 2 3 4 ... dp, math, matrices	3000	x239
1569F	Palindromic Hamiltonian Path brute force, dfs and similar, dp, graphs, hashing	3000	x227
533D	Landmarks data structures, dp	3000	x215
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x196
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x168
1250D	Conference Problem dp	3000	x164
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x160
852H	Bob and stages dp, geometry	3000	x144
708E	Student's Camp dp, math	3100	x924
1239E	Turtle dp, implementation	3100	x897
1188D	Make Equal dp	3100	x663
1770F	Koxia and Sequence bitmasks, combinatorics, dp, math, number theory	3100	x601
1503E	2-Coloring combinatorics, dp, math	3100	x592
1383C	String Transformation 2 bitmasks, dp, graphs, trees	3100	x558
1463F	Max Correct Set bitmasks, dp, math	3100	x550
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x521
626G	Raffles data structures, dp, greedy, math	3100	x517
1481F	AB Tree dp, greedy, trees	3100	x451
1349F1	Slime and Sequences (Easy Version) dp, fft, math	3100	x397
1103D	Professional layer bitmasks, dp	3100	x397
1647F	Madoka and Laziness dp, greedy	3100	x376
1067D	Computer Game dp, greedy, math, probabilities	3100	x351
1439D	INOI Final Contests combinatorics, dp, fft	3100	x337
1815E	Bosco and Particle dp, math, number theory, strings	3100	x324
468E	Permanent dp, graph matchings, math, meet-in-the-middle	3100	x305
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x300
830E	Perpetual Motion Machine constructive algorithms, dp, graphs, implementation, math, trees	3100	x272
981H	K Paths combinatorics, data structures, dp, fft, math	3100	x264
513G3	Inversions problem dp	3100	x251
1120F	Secret Letters data structures, dp, greedy	3100	x248
1930G	Prefix Max Set Counting data structures, dp, trees	3100	x242
1286F	Harry The Potter brute force, constructive algorithms, dp, fft, implementation, math	3100	x235
720D	Slalom data structures, dp, sortings	3100	x222
331E2	Deja Vu constructive algorithms, dp	3100	x216
1761F1	Anti-median (Easy Version) dp, math	3100	x197
1954F	Unique Strings combinatorics, dp, math	3100	x182
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x169
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x168
379G	New Year Cactus dp	3100	x139
662E	To Hack or not to Hack brute force, dp, greedy	3100	x132
1211H	Road Repair in Treeland *special problem, binary search, dp, trees	3100	x41
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x856
585F	Digits of Number Pi dp, implementation, strings	3200	x635
1810G	The Maximum Prefix dp	3200	x629
1621G	Weighted Increasing Subsequences data structures, dp, math	3200	x622
1034E	Little C Loves 3 III bitmasks, dp, math	3200	x585
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x530
1608F	MEX counting combinatorics, dp, implementation	3200	x516
1326F2	Wise Men (Hard Version) bitmasks, dp, math	3200	x458
613E	Puzzle Lover dp, hashing, strings	3200	x453
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x439
1517F	Reunion combinatorics, dp, trees	3200	x436
1603E	A Perfect Problem combinatorics, dp, math	3200	x399
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x387
827F	Dirty Arkady's Kitchen data structures, dp, graphs, shortest paths	3200	x385
1746E2	Joking (Hard Version) dp, interactive	3200	x366
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x363
1393E2	Twilight and Ancient Scroll (harder version) dp, hashing, implementation, string suffix structures, strings, two pointers	3200	x346
1470E	Strange Permutation binary search, combinatorics, data structures, dp, graphs, implementation, two pointers	3200	x291
1799H	Tree Cutting bitmasks, dfs and similar, dp	3200	x270
1864H	Asterism Stream dp, math, matrices	3200	x269
1416E	Split binary search, data structures, dp, greedy	3200	x268
1832F	Zombies binary search, dp	3200	x250
1830F	The Third Grace data structures, dp	3200	x219
933E	A Preponderant Reunion constructive algorithms, dp	3200	x185
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x182
1704H1	Game of AI (easy version) combinatorics, constructive algorithms, dp, fft, math	3200	x170
1408I	Bitwise Magic dp, math	3200	x165
924F	Minimal Subset Difference dp	3200	x157