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Problemset

2,107 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
798D	Mike and distribution constructive algorithms sortings	2400	2.2k
798E	Mike and code of a permutation constructive algorithms data structures graphs sortings	3000	558
796C	Bank Hacking constructive algorithms data structures dp trees	1900	3.2k
796D	Police Stations constructive algorithms dfs and similar dp graphs shortest paths trees	2100	7.8k
793E	Problem of offices constructive algorithms dfs and similar dp trees	2900	327
788B	Weird journey combinatorics constructive algorithms dfs and similar dsu graphs	2100	3k
788D	Finding lines constructive algorithms divide and conquer interactive	3000	417
780E	Underground Lab constructive algorithms dfs and similar graphs	2100	3.1k
779A	Pupils Redistribution constructive algorithms math	1000	9.8k
779C	Dishonest Sellers constructive algorithms greedy sortings	1200	12.9k
778D	Parquet Re-laying constructive algorithms	2700	617
777A	Shell Game constructive algorithms implementation math	1000	11k
776B	Sherlock and his girlfriend constructive algorithms number theory	1200	26.6k
776F	Sherlock's bet to Moriarty constructive algorithms data structures divide and conquer geometry graphs implementation trees	2800	544
774C	Maximum Number *special constructive algorithms greedy implementation	1200	4.4k
774D	Lie or Truth *special constructive algorithms implementation sortings	1500	2.1k
774H	Repairing Of String *special constructive algorithms	2200	291
773C	Prairie Partition binary search constructive algorithms greedy math	2200	1k
772C	Vulnerable Kerbals constructive algorithms dp graphs math number theory	2300	1.5k
771B	Bear and Different Names constructive algorithms greedy	1500	7.3k
768A	Oath of the Night's Watch constructive algorithms sortings	900	31.2k
768B	Code For 1 constructive algorithms dfs and similar divide and conquer	1600	7.1k
766A	Mahmoud and Longest Uncommon Subsequence constructive algorithms strings	1000	35.1k
766B	Mahmoud and a Triangle constructive algorithms geometry greedy math number theory sortings	1000	38.9k
766E	Mahmoud and a xor trip bitmasks constructive algorithms data structures dfs and similar dp math trees	2100	3.6k
765D	Artsem and Saunders constructive algorithms dsu math	1700	2.6k
764B	Timofey and cubes constructive algorithms implementation	900	12.8k
763B	Timofey and rectangles constructive algorithms geometry	2100	3.1k
761A	Dasha and Stairs brute force constructive algorithms implementation math	1000	15.2k
761D	Dasha and Very Difficult Problem binary search brute force constructive algorithms greedy sortings	1700	4.2k
761E	Dasha and Puzzle constructive algorithms dfs and similar graphs greedy trees	2000	2.4k
758C	Unfair Poll binary search constructive algorithms implementation math	1700	4.1k
758D	Ability To Convert constructive algorithms dp greedy math strings	2000	3k
756A	Pavel and barbecue constructive algorithms dfs and similar	1700	3.2k
755E	PolandBall and White-Red graph constructive algorithms graphs shortest paths	2400	937
754A	Lesha and array splitting constructive algorithms greedy implementation	1200	9.5k
754C	Vladik and chat brute force constructive algorithms dp implementation strings	2200	1.1k
753B	Interactive Bulls and Cows (Easy) brute force constructive algorithms implementation	1600	1.5k
753C	Interactive Bulls and Cows (Hard) brute force constructive algorithms interactive	2500	474
750F	New Year and Finding Roots constructive algorithms implementation interactive trees	2800	622
749B	Parallelogram is Back brute force constructive algorithms geometry	1200	9k
748C	Santa Claus and Robot constructive algorithms math	1400	5k
748D	Santa Claus and a Palindrome constructive algorithms data structures greedy	2100	2.1k
748F	Santa Clauses and a Soccer Championship constructive algorithms dfs and similar graphs trees	2300	744
746C	Tram constructive algorithms implementation math	1600	3.9k
746D	Green and Black Tea constructive algorithms greedy math	1500	5.4k
746G	New Roads constructive algorithms graphs trees	2100	1.7k
743A	Vladik and flights constructive algorithms greedy implementation	1200	11.8k
743B	Chloe and the sequence binary search bitmasks constructive algorithms implementation	1200	16.2k
743C	Vladik and fractions brute force constructive algorithms math number theory	1500	13.6k
741C	Arpa’s overnight party and Mehrdad’s silent entering constructive algorithms dfs and similar graphs	2600	3.2k
740B	Alyona and flowers constructive algorithms	1200	8.9k
739A	Alyona and mex constructive algorithms greedy	1700	8.5k
737F	Dirty plates constructive algorithms math	3300	85
736E	Chess Championship constructive algorithms flows greedy math	2900	234
735C	Tennis Championship combinatorics constructive algorithms greedy math	1600	8.1k
734F	Anton and School bitmasks constructive algorithms implementation math	2500	1.4k
733C	Epidemic in Monstropolis constructive algorithms dp greedy two pointers	1800	3.6k
733E	Sleep in Class constructive algorithms data structures math two pointers	2400	1.1k
732A	Buy a Shovel brute force constructive algorithms implementation math	800	91k
732C	Sanatorium binary search constructive algorithms greedy implementation math	1200	10.2k
731B	Coupons and Discounts constructive algorithms greedy	1100	8.4k
730B	Minimum and Maximum constructive algorithms interactive	1800	2.8k
730H	Delete Them constructive algorithms implementation	1300	3.3k
729D	Sea Battle constructive algorithms greedy math	1700	4.1k
729E	Subordinates constructive algorithms data structures graphs greedy sortings	1900	2.4k
727C	Guess the Array constructive algorithms interactive math	1400	9.2k
727D	T-shirts Distribution constructive algorithms flows greedy	1800	2.1k
725C	Hidden Word brute force constructive algorithms implementation strings	1600	3k
723E	One-Way Reform constructive algorithms dfs and similar flows graphs greedy	2200	2.3k
721D	Maxim and Array constructive algorithms data structures greedy math	2000	2.5k
720C	Homework constructive algorithms	3100	210
715A	Plus and Square Root constructive algorithms math	1600	5.9k
715B	Complete The Graph binary search constructive algorithms graphs shortest paths	2300	3.8k
715D	Create a Maze constructive algorithms	3100	483
713B	Searching Rectangles binary search constructive algorithms interactive	2200	1.5k
711B	Chris and Magic Square constructive algorithms implementation	1400	8.7k
710C	Magic Odd Square constructive algorithms math	1500	5.6k
708A	Letters Cyclic Shift constructive algorithms greedy implementation strings	1200	9.9k
708B	Recover the String constructive algorithms greedy implementation math	1900	3.5k
698B	Fix a Tree constructive algorithms dfs and similar dsu graphs trees	1700	6.2k
690F2	Tree of Life (medium) constructive algorithms hashing trees	2700	112
689A	Mike and Cellphone brute force constructive algorithms implementation	1400	5.5k
688B	Lovely Palindromes constructive algorithms math	1000	36.4k
686A	Free Ice Cream constructive algorithms implementation	800	44.2k
686B	Little Robber Girl's Zoo constructive algorithms implementation sortings	1100	8k
682A	Alyona and Numbers constructive algorithms math number theory	1100	24.3k
681C	Heap Operations constructive algorithms data structures greedy	1600	10.7k
681D	Gifts by the List constructive algorithms dfs and similar graphs trees	2000	1.9k
680A	Bear and Five Cards constructive algorithms implementation	800	13.4k
680B	Bear and Finding Criminals constructive algorithms implementation	1000	26.5k
679A	Bear and Prime 100 constructive algorithms interactive math	1400	15.8k
676A	Nicholas and Permutation constructive algorithms implementation	800	14.9k
675B	Restoring Painting brute force constructive algorithms math	1400	7.8k
675C	Money Transfers constructive algorithms data structures greedy sortings	2100	3.9k
672B	Different is Good constructive algorithms implementation strings	1000	18.7k
670A	Holidays brute force constructive algorithms greedy math	900	18.8k
670F	Restore a Number brute force constructive algorithms strings	2300	940
667B	Coat of Anticubism constructive algorithms geometry	1100	5.9k
665D	Simple Subset constructive algorithms greedy number theory	1800	4.2k

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