题库 - bitmasks - HydroOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	1102	P1338C Perfect Triples bitmasks brute force constructive algorithms divide and conquer math *2200	0 / 0	8
	1096	P1340B Nastya and Scoreboard bitmasks dp graphs greedy *1700	0 / 0	5
	1085	P1342F Make It Ascending bitmasks brute force dp *3000	0 / 1	10
	970	P1360F Spy-string bitmasks brute force constructive algorithms dp hashing strings *1700	0 / 0	5
	968	P1360H Binary Median binary search bitmasks brute force constructive algorithms *2100	0 / 0	7
	965	P1361C Johnny and Megan's Necklace binary search bitmasks constructive algorithms dfs and similar dsu graphs *2500	0 / 0	9
	960	P1362B Johnny and His Hobbies bitmasks brute force *1200	0 / 0	4
	959	P1362C Johnny and Another Rating Drop bitmasks greedy math *1400	0 / 0	4
	947	P1364E X-OR bitmasks constructive algorithms divide and conquer interactive probabilities *2700	1 / 1	10
	941	P1365G Secure Password bitmasks combinatorics constructive algorithms interactive math *2800	2 / 2	10
	923	P1368D AND, OR and square sum bitmasks greedy math *1700	0 / 0	5
	845	P1383B GameGame bitmasks constructive algorithms dp games greedy math *1900	0 / 0	6
	843	P1383C String Transformation 2 bitmasks dp graphs trees *3100	1 / 1	10
	834	P1385D a-Good String bitmasks brute force divide and conquer dp implementation *1500	1 / 1	5
	828	P1386C Joker special problem bitmasks data structures divide and conquer dsu 2800	0 / 0	10
	808	P1391D 505 bitmasks brute force constructive algorithms dp greedy implementation *2000	0 / 0	7
	802	P1392E Omkar and Duck bitmasks constructive algorithms interactive math *2100	1 / 6	7
	800	P1392G Omkar and Pies bitmasks dfs and similar dp math shortest paths *2900	0 / 0	10
	785	P1395C Boboniu and Bit Operations bitmasks brute force dp greedy *1600	0 / 0	5
	769	P1398G Running Competition bitmasks fft math number theory *2600	0 / 0	10
	756	P1400G Mercenaries bitmasks brute force combinatorics dp dsu math two pointers *2600	0 / 0	10
	750	P1401F Reverse and Swap binary search bitmasks data structures *2400	0 / 0	9
	707	P1411E Poman Numbers bitmasks greedy math strings *2300	0 / 0	8
	705	P1411G No Game No Life bitmasks games math matrices *2700	0 / 0	10
	694	P1415D XOR-gun bitmasks brute force constructive algorithms *2000	0 / 0	7
	690	P1416C XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees *2000	0 / 0	7
	669	P1420B Rock and Lever bitmasks math *1200	0 / 0	4
	664	P1421A XORwice bitmasks greedy math *800	2 / 2	3
	645	P1423I Lookup Tables bitmasks *3000	0 / 0	10
	644	P1423J Bubble Cup hypothesis bitmasks constructive algorithms dp math *2400	0 / 0	9
	619	P1427E Xum bitmasks constructive algorithms math matrices number theory *2500	0 / 0	9
	600	P1430G Yet Another DAG Problem bitmasks dfs and similar dp flows graphs math *2600	0 / 0	10
	565	P1438D Powerful Ksenia bitmasks constructive algorithms math *2200	1 / 1	8
	564	P1438E Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers *2500	0 / 0	9
	557	P1439E Cheat and Win bitmasks data structures games trees *3500	0 / 0	10
	535	P1446C Xor Tree binary search bitmasks data structures divide and conquer dp trees *2100	0 / 0	7
	521	P1450G Communism bitmasks dp trees *3500	0 / 0	10
	514	P1451E1 Bitwise Queries (Easy Version) bitmasks constructive algorithms interactive math *2000	0 / 0	7
	513	P1451E2 Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math *2300	0 / 0	8
	462	P1463B Find The Array bitmasks constructive algorithms greedy *1400	0 / 0	4
	458	P1463F Max Correct Set bitmasks dp math *3100	0 / 2	10
	452	P1466E Apollo versus Pan bitmasks brute force math *1800	0 / 0	6
	451	P1466F Euclid's nightmare bitmasks dfs and similar dsu graphs greedy math sortings *2100	0 / 0	7
	424	P1469E A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers *2400	0 / 0	9
	421	P1470B Strange Definition bitmasks graphs hashing math number theory *1900	0 / 0	6
	383	P1476E Pattern Matching bitmasks data structures dfs and similar graphs hashing sortings strings *2300	0 / 0	8
	367	P1479C Continuous City bitmasks constructive algorithms *2500	0 / 0	9
	366	P1479D Odd Mineral Resource binary search bitmasks brute force data structures probabilities trees *2900	0 / 0	10
	309	P1491D Zookeeper and The Infinite Zoo bitmasks constructive algorithms dp greedy math *1800	0 / 0	6
	300	P1492D Genius's Gambit bitmasks constructive algorithms greedy math *1900	1 / 2	6

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