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Problemset

46 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2236G	Criterion in Burlandia binary search bitmasks brute force data structures dfs and similar divide and conquer implementation trees two pointers	2600	385
2215D	EXPloration, EXPloitation, and Gain Some EXPerience! bitmasks brute force dp greedy implementation	2800	162
2170A	Maximum Neighborhood bitmasks brute force greedy implementation math	800	20.6k
2153F	Odd Queries on Odd Array bitmasks brute force data structures implementation trees	2900	337
2071D1	Infinite Sequence (Easy Version) bitmasks brute force dp implementation math	1800	6.9k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2049E	Broken Queries binary search bitmasks brute force constructive algorithms implementation interactive	2400	1.6k
2049F	MEX OR Mania bitmasks brute force data structures dsu implementation	2700	600
2048C	Kevin and Binary Strings bitmasks brute force greedy implementation strings	1200	15.4k
2043E	Matrix Transformation bitmasks brute force data structures dfs and similar graphs greedy implementation	2300	1.9k
2043F	Nim bitmasks brute force combinatorics dp games greedy implementation shortest paths	2700	918
2028F	Alice's Adventures in Addition bitmasks brute force dp implementation	2700	556
1990D	Grid Puzzle bitmasks brute force dp greedy implementation	1800	7.9k
1981C	Turtle and an Incomplete Sequence bitmasks brute force constructive algorithms greedy implementation math	1800	6.4k
1973F	Maximum GCD Sum Queries bitmasks brute force dp implementation number theory	3100	345
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1950F	0, 1, 2, Tree! bitmasks brute force greedy implementation trees	1700	11.5k
1946D	Birthday Gift bitmasks brute force constructive algorithms greedy implementation	1900	5.7k
1926F	Vlad and Avoiding X bitmasks brute force dfs and similar dp implementation	2200	2.1k
1915B	Not Quite Latin Square bitmasks brute force implementation	800	51.3k
1878G	wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees	2300	1.5k
1826E	Walk the Runway bitmasks brute force data structures dp graphs implementation sortings	2400	2k
1789D	Serval and Shift-Shift-Shift bitmasks brute force constructive algorithms implementation	2200	2k
1789F	Serval and Brain Power bitmasks brute force dp greedy implementation strings	2700	1k
1732C2	Sheikh (Hard Version) binary search bitmasks brute force greedy implementation two pointers	2100	3.2k
1665E	MinimizOR bitmasks brute force data structures divide and conquer greedy implementation two pointers	2500	1.9k
1569E	Playoff Restoration bitmasks brute force hashing implementation meet-in-the-middle	2600	901
1543C	Need for Pink Slips bitmasks brute force dfs and similar implementation math probabilities	1900	5.7k
1494A	ABC String bitmasks brute force implementation	900	23k
1494B	Berland Crossword bitmasks brute force greedy implementation	1400	15.4k
1391D	505 bitmasks brute force constructive algorithms dp greedy implementation	2000	5.8k
1385D	a-Good String bitmasks brute force divide and conquer dp implementation	1500	22.3k
1042B	Vitamins bitmasks brute force dp implementation	1200	19.6k
961C	Chessboard bitmasks brute force implementation	1400	5.7k
868D	Huge Strings bitmasks brute force dp implementation strings	2200	1k
778B	Bitwise Formula bitmasks brute force dfs and similar expression parsing implementation	1800	2.5k
611B	New Year and Old Property bitmasks brute force implementation	1300	11.2k
581D	Three Logos bitmasks brute force constructive algorithms geometry implementation math	1700	4.9k
535B	Tavas and SaDDas bitmasks brute force combinatorics implementation	1100	27k
467B	Fedor and New Game bitmasks brute force constructive algorithms implementation	1100	43.7k
442A	Borya and Hanabi bitmasks brute force implementation	1700	2.4k
333D	Characteristics of Rectangles binary search bitmasks brute force implementation sortings	2100	2.3k
291C	Network Mask *special bitmasks brute force implementation	1600	1.9k
202A	LLPS binary search bitmasks brute force greedy implementation strings	800	20.1k
97D	Robot in Basement bitmasks brute force implementation	2700	386

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