bitmasks - Codeforces - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
352	P1618F Reverse bitmasks constructive algorithms dfs and similar implementation math strings *2000	0 / 0	(无)
336	P1620G Subsequences Galore bitmasks combinatorics dp *2400	0 / 0	(无)
322	P1622E Math Test bitmasks brute force greedy *2200	0 / 0	(无)
309	P1624G MinOr Tree bitmasks dfs and similar dsu graphs greedy *1900	0 / 0	(无)
308	P1625A Ancient Civilization bitmasks greedy math *800	0 / 0	(无)
305	P1625D Binary Spiders bitmasks data structures implementation math sortings trees *2300	0 / 0	(无)
281	P1630A And Matching bitmasks constructive algorithms *1500	0 / 0	(无)
272	P1632B Roof Construction bitmasks constructive algorithms *1000	0 / 0	(无)
271	P1632C Strange Test binary search bitmasks brute force dp math *1600	0 / 0	(无)
260	P1634B Fortune Telling bitmasks math *1400	0 / 0	(无)
255	P1635A Min Or Sum bitmasks greedy *800	0 / 0	(无)
252	P1635D Infinite Set bitmasks dp math matrices number theory strings *1800	0 / 0	(无)
221	P1641D Two Arrays bitmasks brute force combinatorics greedy hashing math two pointers *2700	0 / 0	(无)
208	P1646C Factorials and Powers of Two bitmasks brute force constructive algorithms dp math *1500	0 / 0	(无)
172	P1654F Minimal String Xoration bitmasks data structures divide and conquer greedy hashing sortings strings *2800	0 / 0	(无)
151	P1658D1 388535 (Easy Version) bitmasks math *1600	0 / 0	(无)
150	P1658D2 388535 (Hard Version) bitmasks brute force data structures math *2300	0 / 0	(无)
146	P1659B Bit Flipping bitmasks constructive algorithms greedy strings *1300	0 / 0	(无)
143	P1659E AND-MEX Walk bitmasks brute force constructive algorithms dfs and similar dsu graphs *2200	0 / 0	(无)
133	P1661B Getting Zero bitmasks brute force dfs and similar dp graphs greedy shortest paths *1300	0 / 0	(无)

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