Problemset - Codeforces

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Codeforces Global Round 26
28:34:00
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constructive algorithms

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Problems

#	Name
771B	Bear and Different Names constructive algorithms, greedy	1500	x6645
768B	Code For 1 constructive algorithms, dfs and similar, divide and conquer	1600	x5856
768A	Oath of the Night's Watch constructive algorithms, sortings	900	x26369
766E	Mahmoud and a xor trip bitmasks, constructive algorithms, data structures, dfs and similar, dp, math, trees	2100	x2868
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x31425
766A	Mahmoud and Longest Uncommon Subsequence constructive algorithms, strings	1000	x29180
765D	Artsem and Saunders constructive algorithms, dsu, math	1700	x2447
764B	Timofey and cubes constructive algorithms, implementation	900	x11654
763B	Timofey and rectangles constructive algorithms, geometry	2100	x2629
761E	Dasha and Puzzle constructive algorithms, dfs and similar, graphs, greedy, trees	2000	x1912
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3946
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14359
758D	Ability To Convert constructive algorithms, dp, greedy, math, strings	2000	x2690
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3823
756A	Pavel and barbecue constructive algorithms, dfs and similar	1700	x2965
755E	PolandBall and White-Red graph constructive algorithms, graphs, shortest paths	2400	x825
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x915
754A	Lesha and array splitting constructive algorithms, greedy, implementation	1200	x8557
753C	Interactive Bulls and Cows (Hard) brute force, constructive algorithms, interactive	2500	x284
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1175
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x478
749B	Parallelogram is Back brute force, constructive algorithms, geometry	1200	x8408
748F	Santa Clauses and a Soccer Championship constructive algorithms, dfs and similar, graphs, trees	2300	x634
748D	Santa Claus and a Palindrome constructive algorithms, data structures, greedy	2100	x1813
748C	Santa Claus and Robot constructive algorithms, math	1400	x4548
746G	New Roads constructive algorithms, graphs, trees	2100	x1357
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x4999
746C	Tram constructive algorithms, implementation, math	1600	x3688
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x11944
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x14318
743A	Vladik and flights constructive algorithms, greedy, implementation	1200	x10869
741C	Arpa’s overnight party and Mehrdad’s silent entering constructive algorithms, dfs and similar, graphs	2600	x2394
740B	Alyona and flowers constructive algorithms	1200	x8163
739A	Alyona and mex constructive algorithms, greedy	1700	x7644
737F	Dirty plates constructive algorithms, math	3300	x70
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x184
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7362
734F	Anton and School bitmasks, constructive algorithms, implementation, math	2500	x1283
733E	Sleep in Class constructive algorithms, data structures, math, two pointers	2400	x874
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3302
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9482
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x68226
731B	Coupons and Discounts constructive algorithms, greedy	1100	x7872
730H	Delete Them constructive algorithms, implementation	1300	x2930
730B	Minimum and Maximum constructive algorithms, interactive	1800	x2387
729E	Subordinates constructive algorithms, data structures, graphs, greedy, sortings	1900	x2157
729D	Sea Battle constructive algorithms, greedy, math	1700	x3633
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1804
727C	Guess the Array constructive algorithms, interactive, math	1400	x6975
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2608
723E	One-Way Reform constructive algorithms, dfs and similar, flows, graphs, greedy	2200	x1893
721D	Maxim and Array constructive algorithms, data structures, greedy, math	2000	x2302
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	x2673
715A	Plus and Square Root constructive algorithms, math	1600	x5552
713B	Searching Rectangles binary search, constructive algorithms, interactive	2200	x1421
711B	Chris and Magic Square constructive algorithms, implementation	1400	x8358
710C	Magic Odd Square constructive algorithms, math	1500	x4998
708B	Recover the String constructive algorithms, greedy, implementation, math	1900	x3208
708A	Letters Cyclic Shift constructive algorithms, greedy, implementation, strings	1200	x8927
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x5637
690F2	Tree of Life (medium) constructive algorithms, hashing, trees	2700	x80
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5202
688B	Lovely Palindromes constructive algorithms, math	1000	x30757
686B	Little Robber Girl's Zoo constructive algorithms, implementation, sortings	1100	x7725
686A	Free Ice Cream constructive algorithms, implementation	800	x35903
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x20739
681D	Gifts by the List constructive algorithms, dfs and similar, graphs, trees	2000	x1723
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7332
680B	Bear and Finding Criminals constructive algorithms, implementation	1000	x23573
680A	Bear and Five Cards constructive algorithms, implementation	800	x12209
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x12468
676A	Nicholas and Permutation constructive algorithms, implementation	800	x13668
675C	Money Transfers constructive algorithms, data structures, greedy, sortings	2100	x3432
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7307
672B	Different is Good constructive algorithms, implementation, strings	1000	x17108
670F	Restore a Number brute force, constructive algorithms, strings	2300	x848
670A	Holidays brute force, constructive algorithms, greedy, math	900	x16514
667B	Coat of Anticubism constructive algorithms, geometry	1100	x5464
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3233
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3265
662D	International Olympiad constructive algorithms, greedy, implementation, math	2000	x1619
659B	Qualifying Contest constructive algorithms, sortings	1300	x6195
652F	Ants on a Circle constructive algorithms, math	2800	x522
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x344
649C	Печать условий constructive algorithms, greedy, sortings	1500	x441
649B	Этажи constructive algorithms	1400	x524
649A	Любимые числа Поликарпа constructive algorithms, implementation	1000	x1113
648C	Путь Робота constructive algorithms, dfs and similar, graphs	1100	x863
648B	Собери стол constructive algorithms, sortings	800	x1259
648A	Наибольший подъем constructive algorithms, implementation	900	x603
645A	Amity Assessment brute force, constructive algorithms, implementation	1200	x3392
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2616
644A	Parliament of Berland *special problem, constructive algorithms	1000	x4405
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3146
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x2846
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6406
638A	Home Numbers *special problem, constructive algorithms, math	1100	x3769
637C	Promocodes with Mistakes *special problem, brute force, constructive algorithms, implementation	1400	x2412