Problemset - Codeforces

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Codeforces Round (Div. 3)
4 days

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Difficulty: —

constructive algorithms

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Problems

#	Name
776F	Sherlock's bet to Moriarty constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees	2800	x425
776B	Sherlock and his girlfriend constructive algorithms, number theory	1200	x19969
774H	Repairing Of String *special problem, constructive algorithms	2200	x255
774D	Lie or Truth *special problem, constructive algorithms, implementation, sortings	1500	x1932
774C	Maximum Number *special problem, constructive algorithms, greedy, implementation	1200	x4048
773C	Prairie Partition binary search, constructive algorithms, greedy, math	2200	x939
772C	Vulnerable Kerbals constructive algorithms, dp, graphs, math, number theory	2300	x1237
771B	Bear and Different Names constructive algorithms, greedy	1500	x6698
768B	Code For 1 constructive algorithms, dfs and similar, divide and conquer	1600	x5863
768A	Oath of the Night's Watch constructive algorithms, sortings	900	x26680
766E	Mahmoud and a xor trip bitmasks, constructive algorithms, data structures, dfs and similar, dp, math, trees	2100	x2903
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x31808
766A	Mahmoud and Longest Uncommon Subsequence constructive algorithms, strings	1000	x29513
765D	Artsem and Saunders constructive algorithms, dsu, math	1700	x2452
764B	Timofey and cubes constructive algorithms, implementation	900	x11711
763B	Timofey and rectangles constructive algorithms, geometry	2100	x2716
761E	Dasha and Puzzle constructive algorithms, dfs and similar, graphs, greedy, trees	2000	x1953
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3950
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14383
758D	Ability To Convert constructive algorithms, dp, greedy, math, strings	2000	x2692
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3836
756A	Pavel and barbecue constructive algorithms, dfs and similar	1700	x2967
755E	PolandBall and White-Red graph constructive algorithms, graphs, shortest paths	2400	x826
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x916
754A	Lesha and array splitting constructive algorithms, greedy, implementation	1200	x8589
753C	Interactive Bulls and Cows (Hard) brute force, constructive algorithms, interactive	2500	x286
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1179
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x479
749B	Parallelogram is Back brute force, constructive algorithms, geometry	1200	x8442
748F	Santa Clauses and a Soccer Championship constructive algorithms, dfs and similar, graphs, trees	2300	x640
748D	Santa Claus and a Palindrome constructive algorithms, data structures, greedy	2100	x1828
748C	Santa Claus and Robot constructive algorithms, math	1400	x4561
746G	New Roads constructive algorithms, graphs, trees	2100	x1495
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x5012
746C	Tram constructive algorithms, implementation, math	1600	x3695
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x12023
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x14405
743A	Vladik and flights constructive algorithms, greedy, implementation	1200	x10899
741C	Arpa’s overnight party and Mehrdad’s silent entering constructive algorithms, dfs and similar, graphs	2600	x2409
740B	Alyona and flowers constructive algorithms	1200	x8194
739A	Alyona and mex constructive algorithms, greedy	1700	x7719
737F	Dirty plates constructive algorithms, math	3300	x70
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x185
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7385
734F	Anton and School bitmasks, constructive algorithms, implementation, math	2500	x1283
733E	Sleep in Class constructive algorithms, data structures, math, two pointers	2400	x879
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3312
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9496
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x69297
731B	Coupons and Discounts constructive algorithms, greedy	1100	x7891
730H	Delete Them constructive algorithms, implementation	1300	x2936
730B	Minimum and Maximum constructive algorithms, interactive	1800	x2400
729E	Subordinates constructive algorithms, data structures, graphs, greedy, sortings	1900	x2160
729D	Sea Battle constructive algorithms, greedy, math	1700	x3640
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1809
727C	Guess the Array constructive algorithms, interactive, math	1400	x7062
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2610
723E	One-Way Reform constructive algorithms, dfs and similar, flows, graphs, greedy	2200	x1907
721D	Maxim and Array constructive algorithms, data structures, greedy, math	2000	x2303
720C	Homework constructive algorithms	3100	x99
715D	Create a Maze constructive algorithms	3100	x248
715B	Complete The Graph binary search, constructive algorithms, graphs, shortest paths	2300	x2689
715A	Plus and Square Root constructive algorithms, math	1600	x5563
713B	Searching Rectangles binary search, constructive algorithms, interactive	2200	x1421
711B	Chris and Magic Square constructive algorithms, implementation	1400	x8375
710C	Magic Odd Square constructive algorithms, math	1500	x5028
708B	Recover the String constructive algorithms, greedy, implementation, math	1900	x3211
708A	Letters Cyclic Shift constructive algorithms, greedy, implementation, strings	1200	x8941
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x5651
690F2	Tree of Life (medium) constructive algorithms, hashing, trees	2700	x81
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5216
688B	Lovely Palindromes constructive algorithms, math	1000	x31093
686B	Little Robber Girl's Zoo constructive algorithms, implementation, sortings	1100	x7736
686A	Free Ice Cream constructive algorithms, implementation	800	x36303
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x20990
681D	Gifts by the List constructive algorithms, dfs and similar, graphs, trees	2000	x1730
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7396
680B	Bear and Finding Criminals constructive algorithms, implementation	1000	x23789
680A	Bear and Five Cards constructive algorithms, implementation	800	x12254
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x12544
676A	Nicholas and Permutation constructive algorithms, implementation	800	x13696
675C	Money Transfers constructive algorithms, data structures, greedy, sortings	2100	x3494
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7333
672B	Different is Good constructive algorithms, implementation, strings	1000	x17154
670F	Restore a Number brute force, constructive algorithms, strings	2300	x848
670A	Holidays brute force, constructive algorithms, greedy, math	900	x16632
667B	Coat of Anticubism constructive algorithms, geometry	1100	x5483
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3308
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3275
662D	International Olympiad constructive algorithms, greedy, implementation, math	2000	x1621
659B	Qualifying Contest constructive algorithms, sortings	1300	x6211
652F	Ants on a Circle constructive algorithms, math	2800	x533
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x345
649C	Печать условий constructive algorithms, greedy, sortings	1500	x441
649B	Этажи constructive algorithms	1400	x526
649A	Любимые числа Поликарпа constructive algorithms, implementation	1000	x1133
648C	Путь Робота constructive algorithms, dfs and similar, graphs	1100	x889
648B	Собери стол constructive algorithms, sortings	800	x1282
648A	Наибольший подъем constructive algorithms, implementation	900	x614
645A	Amity Assessment brute force, constructive algorithms, implementation	1200	x3402