Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
11:40:37
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constructive algorithms

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Problems

#	Name
710C	Magic Odd Square constructive algorithms, math	1500	x5087
708B	Recover the String constructive algorithms, greedy, implementation, math	1900	x3236
708A	Letters Cyclic Shift constructive algorithms, greedy, implementation, strings	1200	x8981
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x5704
690F2	Tree of Life (medium) constructive algorithms, hashing, trees	2700	x81
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5248
688B	Lovely Palindromes constructive algorithms, math	1000	x31850
686B	Little Robber Girl's Zoo constructive algorithms, implementation, sortings	1100	x7773
686A	Free Ice Cream constructive algorithms, implementation	800	x37310
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x21532
681D	Gifts by the List constructive algorithms, dfs and similar, graphs, trees	2000	x1760
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7685
680B	Bear and Finding Criminals constructive algorithms, implementation	1000	x24237
680A	Bear and Five Cards constructive algorithms, implementation	800	x12301
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x12915
676A	Nicholas and Permutation constructive algorithms, implementation	800	x13801
675C	Money Transfers constructive algorithms, data structures, greedy, sortings	2100	x3640
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7365
672B	Different is Good constructive algorithms, implementation, strings	1000	x17305
670F	Restore a Number brute force, constructive algorithms, strings	2300	x854
670A	Holidays brute force, constructive algorithms, greedy, math	900	x16885
667B	Coat of Anticubism constructive algorithms, geometry	1100	x5604
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3471
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3286
662D	International Olympiad constructive algorithms, greedy, implementation, math	2000	x1629
659B	Qualifying Contest constructive algorithms, sortings	1300	x6255
652F	Ants on a Circle constructive algorithms, math	2800	x546
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x351
649C	Печать условий constructive algorithms, greedy, sortings	1500	x446
649B	Этажи constructive algorithms	1400	x530
649A	Любимые числа Поликарпа constructive algorithms, implementation	1000	x1198
648C	Путь Робота constructive algorithms, dfs and similar, graphs	1100	x934
648B	Собери стол constructive algorithms, sortings	800	x1416
648A	Наибольший подъем constructive algorithms, implementation	900	x661
645A	Amity Assessment brute force, constructive algorithms, implementation	1200	x3441
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2688
644A	Parliament of Berland *special problem, constructive algorithms	1000	x4433
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3163
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x3072
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6495
638A	Home Numbers *special problem, constructive algorithms, math	1100	x3854
637C	Promocodes with Mistakes *special problem, brute force, constructive algorithms, implementation	1400	x2419
637B	Chat Order *special problem, binary search, constructive algorithms, data structures, sortings	1200	x16171
637A	Voting for Photos *special problem, constructive algorithms, implementation	1000	x5399
634A	Island Puzzle constructive algorithms, implementation	1300	x3305
633E	Startup Funding binary search, constructive algorithms, data structures, probabilities, two pointers	2400	x583
633B	A Trivial Problem brute force, constructive algorithms, math, number theory	1300	x6655
632B	Alice, Bob, Two Teams brute force, constructive algorithms	1400	x3981
631B	Print Check constructive algorithms, implementation	1200	x7350
629A	Far Relative’s Birthday Cake brute force, combinatorics, constructive algorithms, implementation	800	x13345
626B	Cards constructive algorithms, dp, math	1300	x6592
625D	Finals in arithmetic constructive algorithms, implementation, math	2400	x628
625C	K-special Tables constructive algorithms, implementation	1300	x6807
625B	War of the Corporations constructive algorithms, greedy, strings	1200	x10368
623A	Graph and String constructive algorithms, graphs	1800	x4465
622D	Optimal Number Permutation constructive algorithms	1900	x2975
621D	Rat Kwesh and Cheese brute force, constructive algorithms, math	2400	x980
618F	Double Knapsack constructive algorithms, two pointers	3000	x1381
618B	Guess the Permutation constructive algorithms	1100	x7962
617D	Polyline constructive algorithms, implementation	1700	x4195
613C	Necklace constructive algorithms, math	2500	x999
612E	Square Root of Permutation combinatorics, constructive algorithms, dfs and similar, graphs, math	2200	x1678
611H	New Year and Forgotten Tree constructive algorithms, flows, graphs	3200	x581
610D	Vika and Segments constructive algorithms, data structures, geometry, two pointers	2300	x1482
610C	Harmony Analysis constructive algorithms	1800	x2836
610B	Vika and Squares constructive algorithms, implementation	1300	x7230
609B	The Best Gift constructive algorithms, implementation	1100	x9000
605B	Lazy Student constructive algorithms, data structures, graphs	1700	x3439
605A	Sorting Railway Cars constructive algorithms, greedy	1600	x7108
600C	Make Palindrome constructive algorithms, greedy, strings	1800	x6085
595A	Vitaly and Night constructive algorithms, implementation	800	x14509
593C	Beautiful Function constructive algorithms, math	2200	x280
584E	Anton and Ira constructive algorithms, greedy, math	2300	x1419
584C	Marina and Vasya constructive algorithms, greedy, strings	1700	x6183
582B	Once Again... constructive algorithms, dp, matrices	1900	x3426
582A	GCD Table constructive algorithms, greedy, number theory	1700	x7737
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x3648
578E	Walking! constructive algorithms, greedy	2700	x635
576C	Points on Plane constructive algorithms, divide and conquer, geometry, greedy, sortings	2100	x3394
576B	Invariance of Tree constructive algorithms, dfs and similar, greedy, trees	2100	x1803
575D	Tablecity constructive algorithms, implementation	1700	x1821
573C	Bear and Drawing constructive algorithms, dfs and similar, trees	2300	x965
571C	CNF 2 constructive algorithms, dfs and similar, graphs, greedy	2500	x666
570D	Tree Requests binary search, bitmasks, constructive algorithms, dfs and similar, graphs, trees	2200	x7079
570C	Replacement constructive algorithms, data structures, implementation	1600	x9124
570B	Simple Game constructive algorithms, games, greedy, implementation, math	1300	x16092
566E	Restoring Map bitmasks, constructive algorithms, trees	3200	x630
566B	Replicating Processes constructive algorithms, greedy	2600	x264
560B	Gerald is into Art constructive algorithms, implementation	1200	x7909
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7176
553B	Kyoya and Permutation binary search, combinatorics, constructive algorithms, greedy, implementation, math	1900	x2110
551B	ZgukistringZ brute force, constructive algorithms, implementation, strings	1800	x3849
550E	Brackets in Implications constructive algorithms, greedy, implementation, math	2200	x1386
550D	Regular Bridge constructive algorithms, graphs, implementation	1900	x3329
549G	Happy Line constructive algorithms, greedy, sortings	2200	x2427
549B	Looksery Party constructive algorithms, dfs and similar, graphs, greedy	2300	x1491
547D	Mike and Fish constructive algorithms, dfs and similar, graphs	2600	x2563
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11716
544B	Sea and Islands constructive algorithms, implementation	1400	x7988
543E	Listening to Music constructive algorithms, data structures	3200	x288