Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
12:09:04
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Problems

#	Name
698A	Vacations dp	1400	x29980
697B	Barnicle brute force, implementation, math, strings	1400	x5696
696B	Puzzles dfs and similar, math, probabilities, trees	1700	x3472
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x6049
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x5496
691B	s-palindrome implementation, strings	1600	x4800
690F1	Tree of Life (easy)	1300	x2150
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x3707
690C1	Brain Network (easy)	1300	x2748
690B1	Recover Polygon (easy)	1700	x937
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x5278
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x5685
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5248
687A	NP-Hard Problem dfs and similar, graphs	1500	x14270
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4218
683D	Chocolate Bar *special problem, math	1400	x322
683C	Symmetric Difference *special problem	1600	x315
683B	The Teacher of Physical Education *special problem	1600	x317
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7193
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7685
681B	Economy Game brute force	1300	x8886
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x12915
678D	Iterated Linear Function math, number theory	1700	x4487
678C	Joty and Chocolate implementation, math, number theory	1600	x9368
678B	The Same Calendar implementation	1600	x4104
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x6392
677B	Vanya and Food Processor implementation, math	1400	x7616
676C	Vasya and String binary search, dp, strings, two pointers	1500	x18719
676B	Pyramid of Glasses implementation, math, math	1500	x5490
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7365
673B	Problems for Round greedy, implementation	1300	x3517
670E	Correct Bracket Sequence Editor data structures, dsu, strings	1700	x3201
670D2	Magic Powder - 2 binary search, implementation	1500	x14158
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x17559
670C	Cinema implementation, sortings	1300	x9099
665C	Simple Strings dp, greedy, strings	1300	x10209
665B	Shopping brute force	1400	x3534
665A	Buses Between Cities implementation	1600	x2922
661A	Lazy Caterer Sequence *special problem	1300	x637
660C	Hard Process binary search, dp, two pointers	1600	x9316
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7443
659D	Bicycle Race geometry, implementation, math	1500	x6306
659B	Qualifying Contest constructive algorithms, sortings	1300	x6255
656B	Scrambled *special problem, implementation	1700	x1650
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x4958
652A	Gabriel and Caterpillar implementation, math	1400	x4621
650A	Watchmen data structures, geometry, math	1400	x15407
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x351
649C	Печать условий constructive algorithms, greedy, sortings	1500	x446
649B	Этажи constructive algorithms	1400	x530
645C	Enduring Exodus binary search, two pointers	1600	x3242
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2688
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3163
643A	Bear and Colors implementation	1500	x4140
641B	Little Artem and Matrix implementation	1400	x3979
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6495
638B	Making Genome in Berland *special problem, dfs and similar, strings	1500	x1960
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x1997
637C	Promocodes with Mistakes *special problem, brute force, constructive algorithms, implementation	1400	x2419
634A	Island Puzzle constructive algorithms, implementation	1300	x3305
633B	A Trivial Problem brute force, constructive algorithms, math, number theory	1300	x6655
632C	The Smallest String Concatenation sortings, strings	1700	x7694
632B	Alice, Bob, Two Teams brute force, constructive algorithms	1400	x3981
631C	Report data structures, sortings	1700	x3778
630Q	Pyramids geometry, math	1700	x1261
630N	Forecast math	1300	x4645
630L	Cracking the Code implementation, math	1400	x3551
630K	Indivisibility math, number theory	1500	x5230
630I	Parking Lot combinatorics, math	1700	x6677
630H	Benches combinatorics, math	1400	x4935
630G	Challenge Pennants combinatorics, math	1600	x2725
630F	Selection of Personnel combinatorics, math	1300	x6784
628C	Bear and String Distance greedy, strings	1300	x5830
628B	New Skateboard dp	1300	x10732
627B	Factory Repairs data structures	1700	x2917
627A	XOR Equation dp, math	1700	x4205
626C	Block Towers brute force, greedy, math, number theory	1600	x4327
626B	Cards constructive algorithms, dp, math	1300	x6592
625C	K-special Tables constructive algorithms, implementation	1300	x6807
625A	Guest From the Past implementation, math	1700	x5385
622C	Not Equal on a Segment data structures, implementation	1700	x6531
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5442
621B	Wet Shark and Bishops combinatorics, implementation	1300	x10951
620C	Pearls in a Row greedy	1500	x6688
618C	Constellation geometry, implementation	1600	x4226
617D	Polyline constructive algorithms, implementation	1700	x4195
617C	Watering Flowers implementation	1600	x4857
617B	Chocolate combinatorics	1300	x17815
616D	Longest k-Good Segment binary search, data structures, two pointers	1600	x9311
616C	The Labyrinth dfs and similar	1600	x5580
615B	Longtail Hedgehog dp, graphs	1600	x5047
614B	Gena's Code implementation, math	1400	x6890
614A	Link/Cut Tree brute force, implementation	1500	x7452
612C	Replace To Make Regular Bracket Sequence data structures, expression parsing, math	1400	x7963
612A	The Text Splitting brute force, implementation, strings	1300	x7201
611C	New Year and Domino dp, implementation	1500	x8453
611B	New Year and Old Property bitmasks, brute force, implementation	1300	x10052
610B	Vika and Squares constructive algorithms, implementation	1300	x7230
609C	Load Balancing implementation, math	1500	x6559
608B	Hamming Distance Sum combinatorics, strings	1500	x6794