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Problemset

42 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2204F	Sum of Fractions binary search brute force combinatorics data structures greedy math number theory two pointers	2200	1.3k
2190B1	Sub-RBS (Easy Version) combinatorics constructive algorithms dp greedy strings two pointers	1400	11.5k
2163C	Monopati brute force combinatorics dp math two pointers	1500	9.6k
2143D1	Inversion Graph Coloring (Easy Version) combinatorics data structures dp greedy two pointers	1800	6.8k
2143D2	Inversion Graph Coloring (Hard Version) binary search combinatorics data structures dp two pointers	2200	3k
2125E	Sets of Complementary Sums brute force combinatorics dp math two pointers	2500	1.4k
2084E	Blossom binary search combinatorics dp implementation math two pointers	2400	1.8k
2069C	Beautiful Sequence combinatorics dp greedy two pointers	1500	15.3k
2040C	Ordered Permutations bitmasks combinatorics constructive algorithms greedy math two pointers	1600	11k
1976D	Invertible Bracket Sequences binary search combinatorics data structures divide and conquer implementation two pointers	2000	5.9k
1876D	Lexichromatography combinatorics dfs and similar dsu graphs two pointers	2500	1.1k
1840C	Ski Resort combinatorics math two pointers	1000	51k
1833F	Ira and Flamenco combinatorics constructive algorithms data structures implementation math sortings two pointers	1700	10.6k
1827A	Counting Orders combinatorics math sortings two pointers	1100	30.6k
1811G2	Vlad and the Nice Paths (hard version) binary search combinatorics data structures dp math two pointers	2200	2.2k
1788D	Moving Dots binary search brute force combinatorics math two pointers	2000	4.8k
1738E	Balance Addicts combinatorics dp math two pointers	2300	1.9k
1729G	Cut Substrings combinatorics dp hashing strings two pointers	2100	2.6k
1728G	Illumination binary search bitmasks brute force combinatorics dp math two pointers	2700	669
1725C	Circular Mirror binary search combinatorics geometry math two pointers	2000	2k
1712E1	LCM Sum (easy version) binary search brute force combinatorics math number theory two pointers	2300	2.5k
1698E	PermutationForces II brute force combinatorics greedy sortings trees two pointers	2300	1.9k
1696H	Maximum Product? brute force combinatorics dp greedy implementation math two pointers	3500	215
1641D	Two Arrays bitmasks brute force combinatorics greedy hashing math two pointers	2700	1.6k
1622D	Shuffle combinatorics math two pointers	2000	4.8k
1550D	Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers	2300	2.1k
1525E	Assimilation IV combinatorics dp math probabilities two pointers	2100	2.5k
1470E	Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers	3200	981
1462E1	Close Tuples (easy version) binary search combinatorics math sortings two pointers	1500	15.4k
1462E2	Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers	1700	11.6k
1437F	Emotional Fishermen combinatorics dp math two pointers	2600	1.7k
1400D	Zigzags brute force combinatorics data structures math two pointers	1900	11.5k
1400G	Mercenaries bitmasks brute force combinatorics dp dsu math two pointers	2600	1.2k
1366E	Two Arrays binary search brute force combinatorics constructive algorithms dp two pointers	2100	4.7k
1327F	AND Segments bitmasks combinatorics data structures dp two pointers	2500	2.1k
1194F	Crossword Expert combinatorics dp number theory probabilities two pointers	2400	1.3k
1167E	Range Deleting binary search combinatorics data structures two pointers	2100	3k
1043D	Mysterious Crime brute force combinatorics math meet-in-the-middle two pointers	1700	4.8k
1007A	Reorder the Array combinatorics data structures math sortings two pointers	1300	13.2k
652C	Foe Pairs combinatorics sortings two pointers	1800	3.8k
577B	Modulo Sum combinatorics data structures dp two pointers	1900	15.6k
251A	Points on Line binary search combinatorics two pointers	1300	21.9k

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