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Problemset

34 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2205E	Simons and Dividing the Rhythm combinatorics data structures dp dsu math string suffix structures strings	2100	1.8k
2190D	Prufer Vertex combinatorics dsu number theory probabilities trees	2500	1k
2184E	Exquisite Array combinatorics data structures dsu sortings	1800	6.2k
2135C	By the Assignment binary search bitmasks combinatorics dfs and similar dsu graphs math	2000	5.4k
2097B	Baggage Claim combinatorics dfs and similar dp dsu graphs implementation math trees	2300	2k
2064E	Mycraft Sand Sort combinatorics data structures dsu greedy math sortings	2400	1.5k
2063F1	Counting Is Not Fun (Easy Version) combinatorics data structures dfs and similar dp dsu graphs hashing implementation math trees	2400	1.6k
2063F2	Counting Is Not Fun (Hard Version) combinatorics data structures dfs and similar dsu graphs implementation trees	2700	951
2056E	Nested Segments combinatorics dfs and similar dp dsu math	2500	1.1k
2022E1	Billetes MX (Easy Version) 2-sat binary search combinatorics constructive algorithms dfs and similar dsu graphs	2500	780
2022E2	Billetes MX (Hard Version) binary search combinatorics data structures dsu graphs	2600	730
1914G1	Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math trees	2100	2.5k
1876D	Lexichromatography combinatorics dfs and similar dsu graphs two pointers	2500	1.1k
1857G	Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees	2000	5.6k
1844H	Multiple of Three Cycles combinatorics data structures dp dsu math	3400	305
1806D	DSU Master combinatorics dp dsu math	2500	1.3k
1787D	Game on Axis combinatorics dfs and similar dsu graphs implementation	1900	3.9k
1770E	Koxia and Tree combinatorics dfs and similar dp dsu math probabilities trees	2400	1.6k
1758E	Tick, Tock combinatorics dfs and similar dsu graphs	2500	1.1k
1725I	Imitating the Key Tree combinatorics dsu trees	2800	333
1671E	Preorder combinatorics divide and conquer dp dsu hashing sortings trees	2100	3.3k
1574F	Occurrences combinatorics dfs and similar dp dsu fft graphs	2700	786
1553E	Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math	2100	3.8k
1534C	Little Alawn's Puzzle combinatorics dp dsu graphs math	1300	14k
1442B	Identify the Operations combinatorics data structures dsu greedy implementation	1800	5.4k
1408G	Clusterization Counting combinatorics dp dsu fft graphs trees	2700	1.4k
1400G	Mercenaries bitmasks brute force combinatorics dp dsu math two pointers	2600	1.2k
1276B	Two Fairs combinatorics dfs and similar dsu graphs	1900	5.7k
1254E	Send Tree to Charlie combinatorics dfs and similar dsu trees	3300	459
859E	Desk Disorder combinatorics dfs and similar dsu graphs trees	2100	2.2k
788B	Weird journey combinatorics constructive algorithms dfs and similar dsu graphs	2100	2.9k
603B	Moodular Arithmetic combinatorics dfs and similar dsu math number theory	1800	2.7k
325E	The Red Button combinatorics dfs and similar dsu graphs greedy	2800	998
91C	Ski Base combinatorics dsu graphs	2300	1k

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