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Problemset

16 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2204F	Sum of Fractions binary search brute force combinatorics data structures greedy math number theory two pointers	2200	1.3k
2164F2	Chain Prefix Rank (Hard Version) binary search combinatorics data structures dfs and similar dp graphs math trees	2900	648
2143D2	Inversion Graph Coloring (Hard Version) binary search combinatorics data structures dp two pointers	2200	3k
2137F	Prefix Maximum Invariance binary search combinatorics data structures sortings	1900	4.2k
2056D	Unique Median binary search brute force combinatorics data structures divide and conquer dp	2200	3.7k
2022E2	Billetes MX (Hard Version) binary search combinatorics data structures dsu graphs	2600	730
1986G1	Permutation Problem (Simple Version) binary search brute force combinatorics data structures math number theory	2200	2k
1976D	Invertible Bracket Sequences binary search combinatorics data structures divide and conquer implementation two pointers	2000	5.9k
1811G2	Vlad and the Nice Paths (hard version) binary search combinatorics data structures dp math two pointers	2200	2.2k
1705E	Mark and Professor Koro binary search bitmasks brute force combinatorics data structures greedy	2300	2.5k
1470E	Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers	3200	981
1284B	New Year and Ascent Sequence binary search combinatorics data structures dp implementation sortings	1400	11.6k
1197E	Culture Code binary search combinatorics data structures dp shortest paths sortings	2300	1.9k
1167E	Range Deleting binary search combinatorics data structures two pointers	2100	3k
875D	High Cry binary search bitmasks combinatorics data structures divide and conquer	2200	2.6k
815D	Karen and Cards binary search combinatorics data structures geometry	2800	856

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