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Problemset

22 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2178G	deCH OR Dations bitmasks data structures dp hashing probabilities	2800	630
2020C	Bitwise Balancing bitmasks hashing implementation math schedules ternary search	1400	18.7k
2002G	Lattice Optimizing bitmasks brute force hashing meet-in-the-middle	3400	292
1979D	Fixing a Binary String bitmasks brute force constructive algorithms dp greedy hashing strings	1800	8k
1977D	XORificator bitmasks brute force greedy hashing	2300	2.4k
1950G	Shuffling Songs bitmasks dfs and similar dp graphs hashing implementation strings	1900	6.3k
1906B	Button Pressing bitmasks constructive algorithms hashing	2600	865
1800F	Dasha and Nightmares bitmasks hashing meet-in-the-middle strings	1900	4.9k
1792D	Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings	1700	8.3k
1771F	Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees	2500	1.7k
1743G	Antifibonacci Cut bitmasks combinatorics constructive algorithms data structures dp hashing math	3000	381
1731C	Even Subarrays bitmasks brute force hashing math number theory	1700	12.5k
1654F	Minimal String Xoration bitmasks data structures divide and conquer greedy hashing sortings strings	2800	1.5k
1641D	Two Arrays bitmasks brute force combinatorics greedy hashing math two pointers	2700	1.6k
1569E	Playoff Restoration bitmasks brute force hashing implementation meet-in-the-middle	2600	901
1476E	Pattern Matching bitmasks data structures dfs and similar graphs hashing sortings strings	2300	2.8k
1470B	Strange Definition bitmasks graphs hashing math number theory	1900	6.8k
1469E	A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers	2400	2.2k
1360F	Spy-string bitmasks brute force constructive algorithms dp hashing strings	1700	13.7k
1257F	Make Them Similar bitmasks brute force hashing meet-in-the-middle	2400	2.4k
534F	Simplified Nonogram bitmasks dp hashing meet-in-the-middle	2400	556
212B	Polycarpus is Looking for Good Substrings bitmasks hashing implementation	2300	399

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