Problemset - Codeforces

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Problems

#	Name
248E	Piglet's Birthday dp, math, probabilities	2600	x559
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x557
1863G	Swaps combinatorics, dp, graphs, math	2800	x556
15E	Triangles combinatorics, dp	2600	x556
1000G	Two-Paths data structures, dp, trees	2700	x554
954H	Path Counting combinatorics, dp	2500	x553
261D	Maxim and Increasing Subsequence dp	2600	x553
1442E	Black, White and Grey Tree binary search, constructive algorithms, dfs and similar, dp, greedy, trees	3000	x552
1331F	Elementary! *special problem, brute force, dp, strings		x552
1463F	Max Correct Set bitmasks, dp, math	3100	x551
1428G1	Lucky Numbers (Easy Version) dp, greedy	2900	x547
425E	Sereja and Sets dp	2500	x545
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x545
1801F	Another n-dimensional chocolate bar dp, math, meet-in-the-middle, number theory	2700	x544
513E2	Subarray Cuts dp	2700	x543
407D	Largest Submatrix 3 dp, hashing	2700	x539
351C	Jeff and Brackets dp, matrices	2500	x539
215E	Periodical Numbers combinatorics, dp, number theory	2100	x538
1444D	Rectangular Polyline constructive algorithms, dp, geometry	2900	x534
1060F	Shrinking Tree combinatorics, dp	2900	x534
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x534
1709F	Multiset of Strings bitmasks, brute force, dp, fft, flows, graphs, math, meet-in-the-middle, trees	2500	x532
1366G	Construct the String data structures, dp, strings	2700	x532
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x532
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x529
1461F	Mathematical Expression constructive algorithms, dp, greedy	2700	x528
1028G	Guess the number dp, interactive	3000	x528
316D3	PE Lesson dp, math	2400	x527
321D	Ciel and Flipboard dp, greedy, math	2900	x525
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x523
856C	Eleventh Birthday combinatorics, dp, math	2400	x523
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x521
1073F	Choosing Two Paths dfs and similar, dp, greedy, trees	2500	x520
482D	Random Function and Tree combinatorics, dp, trees	2700	x520
283D	Cows and Cool Sequences dp, math, number theory	2400	x520
1221G	Graph And Numbers bitmasks, brute force, combinatorics, dp, meet-in-the-middle	2900	x519
1608F	MEX counting combinatorics, dp, implementation	3200	x517
1606F	Tree Queries brute force, dp, trees	2800	x517
1117F	Crisp String bitmasks, dp	2500	x517
626G	Raffles data structures, dp, greedy, math	3100	x517
1789F	Serval and Brain Power bitmasks, brute force, dp, greedy, implementation, strings	2700	x515
1534F2	Falling Sand (Hard Version) dfs and similar, dp, graphs, greedy	3000	x515
889E	Mod Mod Mod binary search, dp, math	3000	x515
1152F1	Neko Rules the Catniverse (Small Version) bitmasks, dp, matrices	2800	x514
1739F	Keyboard Design bitmasks, data structures, dp, string suffix structures, strings	2600	x513
494D	Birthday data structures, dfs and similar, dp, trees	2700	x513
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x510
1118F2	Tree Cutting (Hard Version) combinatorics, dfs and similar, dp, trees	2700	x509
1713F	Lost Array bitmasks, combinatorics, constructive algorithms, dp, math	2900	x507
1085G	Beautiful Matrix combinatorics, data structures, dp	2900	x506
793F	Julia the snail data structures, divide and conquer, dp	3000	x506
54D	Writing a Song brute force, dp, strings	2100	x506
1528E	Mashtali and Hagh Trees combinatorics, dp, trees	2900	x503
1916H2	Matrix Rank (Hard Version) combinatorics, dp, math, matrices, string suffix structures	2700	x502
924E	Wardrobe dp, greedy	2700	x502
1252B	Cleaning Robots dp, trees	2300	x501
477D	Dreamoon and Binary dp, strings	2700	x499
309B	Context Advertising dp, two pointers	2100	x498
268D	Wall Bars dp	2300	x498
1679F	Formalism for Formalism bitmasks, dp, math	2600	x495
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x495
690D3	The Wall (hard) dp	2100	x489
1310B	Double Elimination dp, implementation	2500	x488
873E	Awards For Contestants brute force, data structures, dp	2300	x488
342D	Xenia and Dominoes bitmasks, dfs and similar, dp	2100	x487
1276D	Tree Elimination dp, trees	2900	x485
958C3	Encryption (hard) data structures, dp	2500	x485
1747E	List Generation combinatorics, dp, math	2900	x484
254E	Dormitory dp, implementation	2100	x484
316D1	PE Lesson brute force, dp	2300	x478
101E	Candies and Stones divide and conquer, dp	2500	x477
70E	Information Reform dp, implementation, trees	2700	x477
1970C3	Game on Tree (Hard) dfs and similar, dp, games, trees		x476
856B	Similar Words dp, hashing, strings, trees	2300	x476
582E	Boolean Function bitmasks, dp, expression parsing	3000	x475
1142D	Foreigner dp	2800	x472
878E	Numbers on the blackboard combinatorics, dp	3300	x472
433E	Tachibana Kanade's Tofu dp	2500	x471
138D	World of Darkraft dp, games	2500	x469
1798F	Gifts from Grandfather Ahmed dp, math, number theory	2500	x467
938F	Erasing Substrings bitmasks, dp, greedy	2700	x467
1056F	Write The Contest binary search, dp, math	2500	x465
513E1	Subarray Cuts dp	2600	x465
1310C	Au Pont Rouge binary search, dp, strings	2800	x464
1146H	Satanic Panic dp, geometry	2900	x463
1601E	Phys Ed Online data structures, dp, greedy	2900	x462
161E	Polycarpus the Safecracker brute force, dp	2500	x462
1326F2	Wise Men (Hard Version) bitmasks, dp, math	3200	x461
331C3	The Great Julya Calendar dp	2500	x461
453D	Little Pony and Elements of Harmony dp, matrices	3000	x459
152E	Garden bitmasks, dp, graphs, trees	2500	x459
704C	Black Widow dp, graphs, implementation, math	2900	x457
335F	Buy One, Get One Free dp, greedy	3000	x456
613E	Puzzle Lover dp, hashing, strings	3200	x453
480D	Parcels dp, graphs	2600	x452
83E	Two Subsequences bitmasks, dp	2800	x452
1481F	AB Tree dp, greedy, trees	3100	x451
868E	Policeman and a Tree dp, graphs, trees	2700	x450
229E	Gifts combinatorics, dp, math, probabilities	2600	x450
623C	Electric Charges binary search, dp	2900	x448