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Problemset

106 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2247D2	XOR Sorting (Hard Version) bitmasks data structures greedy	unrated	1.9k
2236G	Criterion in Burlandia binary search bitmasks brute force data structures dfs and similar divide and conquer implementation trees two pointers	2600	385
2205G	Simons and Diophantus Equation bitmasks brute force data structures math number theory	3000	231
2196E1	Fuzzy Concatenation (Easy Version) binary search bitmasks brute force data structures greedy string suffix structures	2900	311
2196E2	Fuzzy Concatenation (Hard version) binary search bitmasks data structures dp greedy string suffix structures	3000	238
2194F2	Again Trees... (hard version) bitmasks data structures dfs and similar dp fft trees	3000	223
2182F2	Christmas Reindeer (hard version) bitmasks brute force combinatorics data structures greedy math	2500	1.1k
2179H	Blackslex and Plants bitmasks data structures dp implementation math	2200	1.4k
2178G	deCH OR Dations bitmasks data structures dp hashing probabilities	2800	630
2153F	Odd Queries on Odd Array bitmasks brute force data structures implementation trees	2900	337
2147E	Maximum OR Popcount binary search bitmasks brute force data structures greedy	2300	2.2k
2143F	Increasing Xor bitmasks data structures math	2700	454
2131G	Wafu! bitmasks brute force data structures dfs and similar dp math	2000	3.9k
2118C	Make It Beautiful bitmasks data structures greedy math	1300	19k
2111G	Divisible Subarrays binary search bitmasks brute force data structures interactive	2900	422
2103F	Maximize Nor bitmasks data structures dp implementation sortings	2600	634
2093G	Shorten the Array binary search bitmasks data structures dfs and similar greedy strings trees two pointers	1900	4k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2064D	Eating binary search bitmasks brute force data structures dp greedy trees two pointers	1900	6k
2061D	Kevin and Numbers bitmasks data structures	1600	11.1k
2049F	MEX OR Mania bitmasks brute force data structures dsu implementation	2700	600
2045J	Xorderable Array bitmasks data structures	2600	350
2043E	Matrix Transformation bitmasks brute force data structures dfs and similar graphs greedy implementation	2300	1.9k
2038D	Divide OR Conquer binary search bitmasks data structures dp implementation	2400	888
2037G	Natlan Exploring bitmasks combinatorics data structures dp math number theory	2000	3.9k
2009F	Firefly's Queries bitmasks data structures flows math	1700	8.7k
1983F	array-value binary search bitmasks data structures greedy two pointers	2500	1.6k
1980G	Yasya and the Mysterious Tree bitmasks data structures dfs and similar graphs greedy strings trees	2300	1.8k
1973B	Cat, Fox and the Lonely Array binary search bitmasks data structures greedy math two pointers	1300	17.1k
1967C	Fenwick Tree bitmasks brute force combinatorics data structures dp math trees	2300	2.3k
1936D	Bitwise Paradox binary search bitmasks data structures greedy two pointers	3100	705
1935E	Distance Learning Courses in MAC bitmasks brute force data structures greedy math	2400	1.7k
1926E	Vlad and an Odd Ordering binary search bitmasks data structures dp implementation math number theory	1500	15.2k
1895D	XOR Construction bitmasks constructive algorithms data structures math string suffix structures trees	1900	7.2k
1878E	Iva & Pav binary search bitmasks data structures greedy	1400	22.3k
1878G	wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees	2300	1.5k
1872E	Data Structures Fan binary search bitmasks data structures dp	1500	22.5k
1864E	Guess Game bitmasks data structures games math probabilities sortings strings trees	2100	3.1k
1849F	XOR Partition binary search bitmasks data structures divide and conquer greedy trees	2700	911
1847F	The Boss's Identity binary search bitmasks data structures dfs and similar greedy math sortings	2500	1.1k
1844G	Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees	3000	1.2k
1826E	Walk the Runway bitmasks brute force data structures dp graphs implementation sortings	2400	2k
1792D	Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings	1700	8.3k
1780F	Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings	2300	2k
1777F	Comfortably Numb bitmasks data structures divide and conquer strings trees	2400	1.5k
1771F	Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees	2500	1.7k
1747D	Yet Another Problem binary search bitmasks constructive algorithms data structures	1900	5.7k
1743G	Antifibonacci Cut bitmasks combinatorics constructive algorithms data structures dp hashing math	3000	381
1739F	Keyboard Design bitmasks data structures dp string suffix structures strings	2600	671
1730F	Almost Sorted bitmasks data structures dp	2700	791
1725F	Field Photography bitmasks data structures sortings	2100	1.2k
1720D2	Xor-Subsequence (hard version) bitmasks data structures dp strings trees	2400	2.3k
1716E	Swap and Maximum Block bitmasks data structures dfs and similar divide and conquer dp	2500	1.4k
1709E	XOR Tree bitmasks data structures dfs and similar dsu greedy trees	2400	4.2k
1705E	Mark and Professor Koro binary search bitmasks brute force combinatorics data structures greedy	2300	2.5k
1665E	MinimizOR bitmasks brute force data structures divide and conquer greedy implementation two pointers	2500	1.9k
1658D2	388535 (Hard Version) bitmasks brute force data structures math	2300	3.2k
1654F	Minimal String Xoration bitmasks data structures divide and conquer greedy hashing sortings strings	2800	1.5k
1625D	Binary Spiders bitmasks data structures implementation math sortings trees	2300	2.4k
1616H	Keep XOR Low bitmasks combinatorics data structures divide and conquer dp math	3000	1.4k
1609E	William The Oblivious bitmasks data structures dp matrices	2400	2.5k
1598F	RBS binary search bitmasks brute force data structures dp	2400	1.7k
1556G	Gates to Another World bitmasks data structures dsu two pointers	3300	471
1533H	Submatrices *special bitmasks data structures dp	unrated	92
1515H	Phoenix and Bits bitmasks brute force data structures sortings	3500	357
1511G	Chips on a Board bitmasks brute force data structures dp games two pointers	2700	988
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
1498B	Box Fitting binary search bitmasks data structures greedy	1300	24.6k
1498F	Christmas Game bitmasks data structures dfs and similar dp games math trees	2500	1.1k
1479D	Odd Mineral Resource binary search bitmasks brute force data structures probabilities trees	2900	1.4k
1476E	Pattern Matching bitmasks data structures dfs and similar graphs hashing sortings strings	2300	2.8k
1446C	Xor Tree binary search bitmasks data structures divide and conquer dp trees	2100	4.2k
1439E	Cheat and Win bitmasks data structures games trees	3500	301
1416C	XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees	2000	5.2k
1401F	Reverse and Swap binary search bitmasks data structures	2400	2k
1386C	Joker *special bitmasks data structures divide and conquer dsu	2800	698
1327F	AND Segments bitmasks combinatorics data structures dp two pointers	2500	2.1k
1322B	Present binary search bitmasks constructive algorithms data structures math sortings	2100	4.7k
1214G	Feeling Good bitmasks data structures	3200	429
1194E	Count The Rectangles bitmasks brute force data structures geometry sortings	2200	2.1k
1163E	Magical Permutation bitmasks brute force constructive algorithms data structures graphs math	2400	1.1k
1146E	Hot is Cold bitmasks data structures divide and conquer implementation	2400	1.1k
1114F	Please, another Queries on Array? bitmasks data structures divide and conquer math number theory	2400	2.6k
1093G	Multidimensional Queries bitmasks data structures	2300	2.3k
1017D	The Wu bitmasks brute force data structures	1900	4.1k
1004F	Sonya and Bitwise OR bitmasks data structures divide and conquer	2600	985
981E	Addition on Segments bitmasks data structures divide and conquer dp	2200	2.6k
979D	Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees	2200	2.3k
938G	Shortest Path Queries bitmasks data structures dsu graphs	2900	1.2k
914E	Palindromes in a Tree bitmasks data structures divide and conquer trees	2400	2k
914F	Substrings in a String bitmasks brute force data structures string suffix structures strings	3000	2.5k
888G	Xor-MST bitmasks constructive algorithms data structures	2300	6.1k
877E	Danil and a Part-time Job bitmasks data structures trees	2000	5.8k
875D	High Cry binary search bitmasks combinatorics data structures divide and conquer	2200	2.6k
817E	Choosing The Commander bitmasks data structures trees	2000	3.9k
796F	Sequence Recovery bitmasks data structures greedy	2800	451
766E	Mahmoud and a xor trip bitmasks constructive algorithms data structures dfs and similar dp math trees	2100	3.6k
707D	Persistent Bookcase bitmasks data structures dfs and similar implementation	2200	3.1k
706D	Vasiliy's Multiset binary search bitmasks data structures trees	1800	13.1k
633G	Yash And Trees bitmasks data structures dfs and similar math number theory	2800	933

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