Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
44:51:03
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
954H	Path Counting combinatorics, dp	2500	x552
1442E	Black, White and Grey Tree binary search, constructive algorithms, dfs and similar, dp, greedy, trees	3000	x551
1463F	Max Correct Set bitmasks, dp, math	3100	x550
1428G1	Lucky Numbers (Easy Version) dp, greedy	2900	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
425E	Sereja and Sets dp	2500	x543
513E2	Subarray Cuts dp	2700	x542
407D	Largest Submatrix 3 dp, hashing	2700	x539
215E	Periodical Numbers combinatorics, dp, number theory	2100	x538
351C	Jeff and Brackets dp, matrices	2500	x537
1444D	Rectangular Polyline constructive algorithms, dp, geometry	2900	x534
1709F	Multiset of Strings bitmasks, brute force, dp, fft, flows, graphs, math, meet-in-the-middle, trees	2500	x531
1366G	Construct the String data structures, dp, strings	2700	x529
1461F	Mathematical Expression constructive algorithms, dp, greedy	2700	x528
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x528
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x528
1060F	Shrinking Tree combinatorics, dp	2900	x527
1028G	Guess the number dp, interactive	3000	x527
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x526
316D3	PE Lesson dp, math	2400	x526
321D	Ciel and Flipboard dp, greedy, math	2900	x525
856C	Eleventh Birthday combinatorics, dp, math	2400	x522
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x521
482D	Random Function and Tree combinatorics, dp, trees	2700	x520
283D	Cows and Cool Sequences dp, math, number theory	2400	x519
1221G	Graph And Numbers bitmasks, brute force, combinatorics, dp, meet-in-the-middle	2900	x518
1073F	Choosing Two Paths dfs and similar, dp, greedy, trees	2500	x518
1117F	Crisp String bitmasks, dp	2500	x517
626G	Raffles data structures, dp, greedy, math	3100	x517
1608F	MEX counting combinatorics, dp, implementation	3200	x515
1534F2	Falling Sand (Hard Version) dfs and similar, dp, graphs, greedy	3000	x514
889E	Mod Mod Mod binary search, dp, math	3000	x513
494D	Birthday data structures, dfs and similar, dp, trees	2700	x513
1606F	Tree Queries brute force, dp, trees	2800	x512
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x512
1152F1	Neko Rules the Catniverse (Small Version) bitmasks, dp, matrices	2800	x512
1789F	Serval and Brain Power bitmasks, brute force, dp, greedy, implementation, strings	2700	x511
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x510
1739F	Keyboard Design bitmasks, data structures, dp, string suffix structures, strings	2600	x508
1713F	Lost Array bitmasks, combinatorics, constructive algorithms, dp, math	2900	x506
1085G	Beautiful Matrix combinatorics, data structures, dp	2900	x506
793F	Julia the snail data structures, divide and conquer, dp	3000	x505
54D	Writing a Song brute force, dp, strings	2100	x503
1528E	Mashtali and Hagh Trees combinatorics, dp, trees	2900	x502
924E	Wardrobe dp, greedy	2700	x502
1252B	Cleaning Robots dp, trees	2300	x501
1118F2	Tree Cutting (Hard Version) combinatorics, dfs and similar, dp, trees	2700	x500
1916H2	Matrix Rank (Hard Version) combinatorics, dp, math, matrices, string suffix structures	2700	x499
477D	Dreamoon and Binary dp, strings	2700	x498
309B	Context Advertising dp, two pointers	2100	x498
1679F	Formalism for Formalism bitmasks, dp, math	2600	x494
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x494
268D	Wall Bars dp	2300	x492
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	x484
254E	Dormitory dp, implementation	2100	x484
1747E	List Generation combinatorics, dp, math	2900	x482
316D1	PE Lesson brute force, dp	2300	x477
101E	Candies and Stones divide and conquer, dp	2500	x477
70E	Information Reform dp, implementation, trees	2700	x476
856B	Similar Words dp, hashing, strings, trees	2300	x475
582E	Boolean Function bitmasks, dp, expression parsing	3000	x475
1142D	Foreigner dp	2800	x471
878E	Numbers on the blackboard combinatorics, dp	3300	x471
433E	Tachibana Kanade's Tofu dp	2500	x470
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	x466
1310C	Au Pont Rouge binary search, dp, strings	2800	x464
513E1	Subarray Cuts dp	2600	x464
1146H	Satanic Panic dp, geometry	2900	x463
1056F	Write The Contest binary search, dp, math	2500	x462
161E	Polycarpus the Safecracker brute force, dp	2500	x462
1601E	Phys Ed Online data structures, dp, greedy	2900	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
1326F2	Wise Men (Hard Version) bitmasks, dp, math	3200	x456
335F	Buy One, Get One Free dp, greedy	3000	x455
613E	Puzzle Lover dp, hashing, strings	3200	x453
1481F	AB Tree dp, greedy, trees	3100	x451
480D	Parcels dp, graphs	2600	x451
83E	Two Subsequences bitmasks, dp	2800	x451
229E	Gifts combinatorics, dp, math, probabilities	2600	x450
623C	Electric Charges binary search, dp	2900	x448
498E	Stairs and Lines dp, matrices	2700	x448
354B	Game with Strings bitmasks, dp, games	2400	x448
1381D	The Majestic Brown Tree Snake dfs and similar, dp, greedy, trees, two pointers	3000	x446
868E	Policeman and a Tree dp, graphs, trees	2700	x446
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x446
573D	Bear and Cavalry data structures, divide and conquer, dp	3000	x445
1662G	Gastronomic Event dp, greedy, trees		x443
377E	Cookie Clicker dp, geometry	2800	x443
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x442