bitmasks - 题库 - FJNU Online Judge

ID	题目显示标签隐藏标签	AC / 尝试	难度
7890	P1705F Mark and the Online Exam bitmasks constructive algorithms interactive probabilities *2900	0 / 0	(无)
7878	P1707F Bugaboo bitmasks constructive algorithms dp number theory *3500	0 / 0	(无)
7871	P1709E XOR Tree bitmasks data structures dfs and similar dsu greedy trees *2400	0 / 0	(无)
7870	P1709F Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees *2500	0 / 0	(无)
7867	P1710C XOR Triangle bitmasks brute force constructive algorithms dp greedy math *2500	0 / 0	(无)
7966	P1713F Lost Array bitmasks combinatorics constructive algorithms dp math *2900	0 / 0	(无)
7990	P1715D 2+ doors bitmasks greedy	0 / 0	(无)
7954	P1716E Swap and Maximum Block bitmasks data structures dfs and similar divide and conquer dp *2500	0 / 0	(无)
7939	P1720D1 Xor-Subsequence (easy version) bitmasks brute force dp strings trees	0 / 0	(无)
7938	P1720D2 Xor-Subsequence (hard version) bitmasks data structures dp strings trees	0 / 0	(无)
8044	P1721D Maximum AND bitmasks dfs and similar divide and conquer greedy sortings *1800	0 / 0	(无)
8035	P1722G Even-Odd XOR bitmasks constructive algorithms greedy *1500	0 / 0	(无)
8031	P1725D Deducing Sortability binary search bitmasks math *2900	0 / 0	(无)
8029	P1725F Field Photography bitmasks data structures sortings *2100	0 / 0	(无)
8020	P1726B Mainak and Interesting Sequence bitmasks constructive algorithms math *1100	0 / 0	(无)
8007	P1728G Illumination binary search bitmasks brute force combinatorics dp math two pointers *2700	0 / 0	(无)
8060	P1730F Almost Sorted bitmasks data structures dp *2700	0 / 0	(无)
8054	P1734F Zeros and Ones bitmasks divide and conquer dp math *2500	0 / 0	(无)
8067	P1739E Cleaning Robot bitmasks dp	0 / 0	(无)
8066	P1739F Keyboard Design bitmasks data structures dp string suffix structures strings	0 / 0	(无)
8168	P1747D Yet Another Problem binary search bitmasks constructive algorithms data structures *1900	0 / 0	6
8163	P1748D ConstructOR bitmasks chinese remainder theorem combinatorics constructive algorithms math number theory *2100	0 / 0	7
8161	P1748F Circular Xor Reversal bitmasks constructive algorithms *3000	0 / 0	10
8118	P1760G SlavicG's Favorite Problem bitmasks dfs and similar graphs *1700	0 / 0	5
8244	P1763A Absolute Maximization bitmasks constructive algorithms greedy math *800	0 / 0	3
8099	P1765A Access Levels bitmasks dsu flows graph matchings *2400	0 / 0	9
8229	P1767E Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees *2500	0 / 0	9
8222	P1770F Koxia and Sequence bitmasks combinatorics dp math number theory	0 / 0	(无)
8214	P1771F Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees *2500	0 / 0	9
8191	P1773G Game of Questions bitmasks combinatorics dp fft math probabilities *2800	0 / 0	10
8272	P1775B Gardener and the Array bitmasks constructive algorithms	0 / 0	(无)
8271	P1775C Interesting Sequence bitmasks	0 / 0	(无)
8386	P1840B Binary Cafe bitmasks combinatorics math *1100	0 / 0	3
8365	P1842B Tenzing and Books bitmasks greedy math *1100	0 / 0	3
8357	P1842H Tenzing and Random Real Numbers bitmasks dp graphs math probabilities *3000	0 / 0	10
8350	P1843C Sum in Binary Tree bitmasks combinatorics math trees *800	0 / 0	3
8351	P1843C Sum in Binary Tree bitmasks combinatorics math trees *800	0 / 0	3
8334	P1844G Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees *3000	0 / 0	10
8315	P1846G Rudolf and CodeVid-23 bitmasks dp graphs greedy shortest paths *1900	0 / 0	6
8314	P1847B Hamon Odyssey bitmasks greedy two pointers *1000	0 / 0	3
8313	P1847C Vampiric Powers, anyone? bitmasks brute force dp greedy *1400	0 / 0	4
8310	P1847F The Boss's Identity binary search bitmasks data structures dfs and similar greedy math sortings *2500	0 / 0	9
8304	P1848F Vika and Wiki binary search bitmasks combinatorics divide and conquer dp math *2400	0 / 0	9
8409	P1849F XOR Partition binary search bitmasks data structures divide and conquer greedy trees	0 / 0	(无)
8289	P1851F Lisa and the Martians bitmasks data structures greedy strings trees	0 / 0	(无)
8407	P1854B Earn or Unlock bitmasks brute force dp	0 / 0	(无)
8541	P1861F Four Suits binary search bitmasks flows greedy *3200	0 / 0	10
8532	P1862F Magic Will Save the World binary search bitmasks brute force dp *1800	0 / 0	6
8521	P1863F Divide, XOR, and Conquer bitmasks dp math *2600	0 / 0	10
8522	P1863F Divide, XOR, and Conquer bitmasks dp math *2600	0 / 0	10
8512	P1864C Divisor Chain bitmasks constructive algorithms math number theory *1300	0 / 0	4
8513	P1864C Divisor Chain bitmasks constructive algorithms math number theory *1300	0 / 0	4
8509	P1864E Guess Game bitmasks data structures games math probabilities sortings strings trees *2100	0 / 0	7
8510	P1864E Guess Game bitmasks data structures games math probabilities sortings strings trees *2100	0 / 0	7
8482	P1867B XOR Palindromes bitmasks constructive algorithms strings *1100	0 / 0	3
8483	P1867B XOR Palindromes bitmasks constructive algorithms strings *1100	0 / 0	3
8471	P1868B1 Candy Party (Easy Version) bitmasks constructive algorithms graphs greedy implementation math *1700	0 / 0	5
8469	P1868B2 Candy Party (Hard Version) bitmasks constructive algorithms dp greedy implementation math *2100	0 / 0	7
8470	P1868B2 Candy Party (Hard Version) bitmasks constructive algorithms dp greedy implementation math *2100	0 / 0	7
8458	P1870B Friendly Arrays bitmasks greedy math *1200	0 / 0	4
8459	P1870B Friendly Arrays bitmasks greedy math *1200	0 / 0	4
8454	P1870E Another MEX Problem bitmasks brute force dp shortest paths *2300	0 / 0	8
8455	P1870E Another MEX Problem bitmasks brute force dp shortest paths *2300	0 / 0	8
8444	P1872E Data Structures Fan binary search bitmasks data structures dp *1500	0 / 0	5
8555	P1874B Jellyfish and Math bitmasks dp graphs shortest paths	0 / 0	(无)
8547	P1875C Jellyfish and Green Apple bitmasks greedy math number theory	0 / 0	(无)
8429	P1878E Iva & Pav binary search bitmasks data structures greedy	0 / 0	(无)
8423	P1879D Sum of XOR Functions bitmasks combinatorics divide and conquer dp math *1700	0 / 0	5
8419	P1882B Sets and Union bitmasks brute force constructive algorithms greedy	1 / 1	10
8418	P1882D Tree XOR bitmasks dfs and similar dp greedy trees	0 / 0	(无)
8593	P1883E Look Back bitmasks greedy	0 / 0	(无)
8558	P1886E I Wanna be the Team Leader bitmasks dp two pointers	0 / 0	(无)
8611	P1895D XOR Construction bitmasks constructive algorithms data structures math	0 / 0	(无)
8613	P1895D XOR Construction bitmasks constructive algorithms data structures math	0 / 0	(无)
8714	P1900D Small GCD bitmasks brute force dp math number theory *2000	0 / 0	7
8697	P1903B StORage room bitmasks brute force constructive algorithms greedy *1200	0 / 0	4
8696	P1903D1 Maximum And Queries (easy version) binary search bitmasks brute force greedy *1700	0 / 0	5
8695	P1903D2 Maximum And Queries (hard version) bitmasks divide and conquer dp greedy *2500	0 / 0	9
8678	P1906B Button Pressing bitmasks constructive algorithms hashing *2600	0 / 0	10
8639	P1912K Kim's Quest bitmasks combinatorics dp *1800	0 / 0	6
8634	P1913C Game with Multiset binary search bitmasks greedy	0 / 0	(无)
8819	P1944B Equal XOR bitmasks constructive algorithms *1100	0 / 0	3
8809	P1946D Birthday Gift bitmasks brute force constructive algorithms greedy implementation *1900	0 / 0	6
8799	P1948G MST with Matching bitmasks brute force dsu graph matchings trees *3100	0 / 0	10
8782	P1950F 0, 1, 2, Tree! bitmasks brute force greedy implementation trees *1700	0 / 0	5
8781	P1950G Shuffling Songs bitmasks dfs and similar dp graphs hashing implementation strings *1900	0 / 0	6
8762	P1952I Dark Matter bitmasks geometry	0 / 0	(无)
8748	P1955H The Most Reckless Defense bitmasks brute force constructive algorithms dp flows graph matchings shortest paths *2300	0 / 0	8
8743	P1956D Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math *2000	0 / 0	7
8898	P1957B A BIT of a Construction bitmasks constructive algorithms greedy implementation *1100	0 / 0	3
8895	P1957D A BIT of an Inequality bitmasks brute force dp math *1900	0 / 0	6
8891	P1965B Missing Subsequence Sum bitmasks constructive algorithms greedy number theory *1800	0 / 0	6
8881	P1967C Fenwick Tree bitmasks brute force combinatorics data structures dp math trees	0 / 0	(无)
8842	P1970G3 Min-Fund Prison (Hard) bitmasks dfs and similar dp graphs trees	0 / 0	(无)
8921	P1973B Cat, Fox and the Lonely Array binary search bitmasks greedy math two pointers	0 / 0	(无)
8951	P1975F Set bitmasks brute force combinatorics dfs and similar divide and conquer dp math *2600	0 / 0	10
8941	P1977B Binary Colouring bitmasks constructive algorithms greedy math *1100	0 / 0	3
8939	P1977D XORificator bitmasks brute force greedy hashing *2300	0 / 0	8
8986	P1979B XOR Sequences bitmasks greedy *1000	0 / 0	3
8984	P1979D Fixing a Binary String bitmasks brute force constructive algorithms dp greedy hashing strings *1800	0 / 0	6

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