Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
01:35:43
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Problems

#	Name
709B	Checkpoints greedy, implementation, sortings	1500	x4741
708B	Recover the String constructive algorithms, greedy, implementation, math	1900	x3246
707C	Pythagorean Triples math, number theory	1500	x12691
707B	Bakery graphs	1300	x12985
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x10193
706C	Hard problem dp, strings	1600	x16418
704A	Thor brute force, data structures, implementation	1600	x9339
703B	Mishka and trip implementation, math	1400	x5680
702D	Road to Post Office math	1900	x3376
702C	Cellular Network binary search, implementation, two pointers	1500	x15279
702B	Powers of Two brute force, data structures, implementation, math	1500	x11970
701C	They Are Everywhere binary search, strings, two pointers	1500	x15304
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x4011
700A	As Fast As Possible binary search, math	1900	x3197
699B	One Bomb implementation	1400	x7608
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x5748
698A	Vacations dp	1400	x30725
697B	Barnicle brute force, implementation, math, strings	1400	x5751
696B	Puzzles dfs and similar, math, probabilities, trees	1700	x3510
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x6118
691E	Xor-sequences matrices	1900	x2551
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x5557
691C	Exponential notation implementation, strings	1800	x2614
691B	s-palindrome implementation, strings	1600	x7422
690F1	Tree of Life (easy)	1300	x2172
690E1	Photographs (I)	1800	x677
690D2	The Wall (medium) combinatorics	1800	x1248
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x3814
690C1	Brain Network (easy)	1300	x2771
690B1	Recover Polygon (easy)	1700	x941
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x5389
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x6002
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5272
687C	The Values You Can Make dp	1900	x5620
687B	Remainders Game chinese remainder theorem, math, number theory	1800	x5941
687A	NP-Hard Problem dfs and similar, graphs	1500	x14458
685B	Kay and Snowflake data structures, dfs and similar, dp, trees	1900	x4154
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4235
683H	Exchange of Books *special problem	1900	x95
683G	The Fraction *special problem	1900	x130
683F	Reformat the String *special problem	1800	x146
683E	Hammer throwing *special problem	1800	x188
683D	Chocolate Bar *special problem, math	1400	x323
683C	Symmetric Difference *special problem	1600	x322
683B	The Teacher of Physical Education *special problem	1600	x317
682D	Alyona and Strings dp, strings	1900	x3337
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7282
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7802
681B	Economy Game brute force	1300	x8965
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x13112
678D	Iterated Linear Function math, number theory	1700	x4565
678C	Joty and Chocolate implementation, math, number theory	1600	x9522
678B	The Same Calendar implementation	1600	x4137
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x6435
677B	Vanya and Food Processor implementation, math	1400	x7665
676C	Vasya and String binary search, dp, strings, two pointers	1500	x19047
676B	Pyramid of Glasses implementation, math, math	1500	x5520
675D	Tree Construction data structures, trees	1800	x3817
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7409
673B	Problems for Round greedy, implementation	1300	x3524
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4192
670E	Correct Bracket Sequence Editor data structures, dsu, strings	1700	x3239
670D2	Magic Powder - 2 binary search, implementation	1500	x14624
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x18215
670C	Cinema implementation, sortings	1300	x9185
666A	Reberland Linguistics dp, implementation, strings	1800	x3490
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3587
665C	Simple Strings dp, greedy, strings	1300	x10625
665B	Shopping brute force	1400	x3554
665A	Buses Between Cities implementation	1600	x2946
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3303
661F	Primes in Interval *special problem	1900	x345
661B	Seasons *special problem	1900	x228
661A	Lazy Caterer Sequence *special problem	1300	x638
660D	Number of Parallelograms geometry	1900	x4011
660C	Hard Process binary search, dp, two pointers	1600	x9520
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7479
659D	Bicycle Race geometry, implementation, math	1500	x6339
659B	Qualifying Contest constructive algorithms, sortings	1300	x6295
656G	You're a Professional *special problem	1900	x486
656F	Ace It! *special problem	1900	x909
656B	Scrambled *special problem, implementation	1700	x1655
656A	Da Vinci Powers *special problem	1900	x3623
653C	Bear and Up-Down brute force, implementation	1900	x1652
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x4999
652D	Nested Segments data structures, sortings	1800	x4031
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3252
652A	Gabriel and Caterpillar implementation, math	1400	x4780
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3358
650A	Watchmen data structures, geometry, math	1400	x15573
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x360
649C	Печать условий constructive algorithms, greedy, sortings	1500	x458
649B	Этажи constructive algorithms	1400	x538
648D	Собачки и миски data structures, greedy, sortings	1900	x235
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2929
645C	Enduring Exodus binary search, two pointers	1600	x3318
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2704
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3176
643A	Bear and Colors implementation	1500	x4149
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x3079