bitmasks - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
10403	CF1732C1 Sheikh (Easy version) binary search bitmasks greedy two pointers *1800	0 / 0	(None)
10402	CF1732C2 Sheikh (Hard Version) binary search bitmasks brute force greedy implementation two pointers *2100	0 / 0	(None)
10385	CF1734F Zeros and Ones bitmasks divide and conquer dp math *2500	0 / 0	(None)
10256	CF1739E Cleaning Robot bitmasks dp *2400	0 / 0	(None)
10245	CF1739F Keyboard Design bitmasks data structures dp string suffix structures strings *2600	0 / 0	(None)
10067	CF1741G Kirill and Company bitmasks brute force dfs and similar dp flows graphs shortest paths *2200	0 / 0	(None)
9990	CF1742G Orray bitmasks brute force greedy math sortings *1500	0 / 0	(None)
9912	CF1743G Antifibonacci Cut bitmasks combinatorics constructive algorithms data structures dp hashing math *3000	0 / 0	(None)
9701	CF1747D Yet Another Problem binary search bitmasks constructive algorithms data structures *1900	0 / 0	(None)
9646	CF1748D ConstructOR bitmasks chinese remainder theorem combinatorics constructive algorithms math number theory *2100	0 / 0	(None)
9623	CF1748F Circular Xor Reversal bitmasks constructive algorithms *3000	0 / 0	(None)
9145	CF1760G SlavicG's Favorite Problem bitmasks dfs and similar graphs *1700	0 / 0	(None)
8968	CF1763A Absolute Maximization bitmasks constructive algorithms greedy math *800	0 / 0	(None)
8790	CF1765A Access Levels bitmasks dsu flows graph matchings *2400	0 / 0	(None)
8524	CF1767E Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees *2500	0 / 0	(None)
8379	CF1770F Koxia and Sequence bitmasks combinatorics dp math number theory *3100	0 / 0	(None)
8290	CF1771F Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees *2500	0 / 0	(None)
8213	CF1773G Game of Questions bitmasks combinatorics dp fft math probabilities *2800	0 / 0	(None)
8023	CF1775B Gardener and the Array bitmasks constructive algorithms *1300	0 / 0	(None)
8012	CF1775C Interesting Sequence bitmasks math *1600	0 / 0	(None)
7779	CF1777D Score of a Tree bitmasks combinatorics dfs and similar dp math probabilities trees *1900	0 / 0	(None)
7757	CF1777F Comfortably Numb bitmasks data structures divide and conquer strings trees *2400	0 / 0	(None)
7723	CF1778C Flexible String bitmasks brute force strings *1600	0 / 0	(None)
7701	CF1778E The Tree Has Fallen! bitmasks dfs and similar math trees *2500	0 / 0	(None)
7623	CF1779F Xorcerer's Stones bitmasks constructive algorithms dp trees *2500	0 / 0	(None)
7568	CF1780D Bit Guessing Game binary search bitmasks constructive algorithms interactive *1800	0 / 0	(None)
7546	CF1780F Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings *2300	0 / 0	(None)
7202	CF1787E The Harmonization of XOR bitmasks constructive algorithms greedy math *2100	0 / 0	(None)
7091	CF1788F XOR, Tree, and Queries bitmasks constructive algorithms dfs and similar dsu graphs greedy implementation trees *2500	0 / 0	(None)
7046	CF1789D Serval and Shift-Shift-Shift bitmasks brute force constructive algorithms implementation *2200	0 / 0	(None)
7024	CF1789F Serval and Brain Power bitmasks brute force dp greedy implementation strings *2700	0 / 0	(None)
6969	CF1790E Vlad and a Pair of Numbers bitmasks constructive algorithms *1400	0 / 0	(None)
6812	CF1792D Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings *1700	0 / 0	(None)
6579	CF1795G Removal Sequences bitmasks dfs and similar graphs *2700	0 / 0	(None)
6279	CF1799H Tree Cutting bitmasks dfs and similar dp *3200	0 / 0	(None)
6191	CF1800F Dasha and Nightmares bitmasks hashing meet-in-the-middle strings *1900	0 / 0	(None)
6168	CF1801A The Very Beautiful Blanket bitmasks constructive algorithms *1600	0 / 0	(None)
6024	CF1804E Routing bitmasks brute force dfs and similar dp graphs *2400	0 / 0	(None)
5991	CF1804H Code Lock bitmasks dp *3300	0 / 0	(None)
5980	CF1805A We Need the Zero bitmasks brute force *800	0 / 0	(None)
5746	CF1807G2 Subsequence Addition (Hard Version) bitmasks dp greedy implementation sortings *1100	0 / 0	(None)
5191	CF1815D XOR Counting bitmasks combinatorics dp math *2600	0 / 0	(None)
4601	CF1826E Walk the Runway bitmasks brute force data structures dp graphs implementation sortings *2400	0 / 0	(None)
4457	CF1829C Mr bitmasks greedy implementation *800	0 / 0	(None)
4401	CF1829H Don't Blame Me bitmasks combinatorics dp math *1700	0 / 0	(None)
4057	CF1835C Twin Clusters bitmasks brute force constructive algorithms math probabilities *2600	0 / 0	(None)
4024	CF1835F Good Graph bitmasks dfs and similar graph matchings graphs implementation *3500	0 / 0	(None)
3791	CF1840B Binary Cafe bitmasks combinatorics math *1100	0 / 0	(None)
3636	CF1842B Tenzing and Books bitmasks greedy math *1100	0 / 0	(None)
3568	CF1842H Tenzing and Random Real Numbers bitmasks dp graphs math probabilities *3000	0 / 0	(None)
3524	CF1843C Sum in Binary Tree bitmasks combinatorics math trees *800	0 / 0	(None)
3390	CF1844G Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees *3000	0 / 0	(None)
3224	CF1846G Rudolf and CodeVid-23 bitmasks dp graphs greedy shortest paths *1900	0 / 0	(None)
3202	CF1847B Hamon Odyssey bitmasks greedy two pointers *1000	0 / 0	(None)
3191	CF1847C Vampiric Powers, anyone? bitmasks brute force dp greedy *1400	0 / 0	(None)
3157	CF1847F The Boss's Identity binary search bitmasks data structures dfs and similar greedy math sortings *2500	0 / 0	(None)
3091	CF1848F Vika and Wiki binary search bitmasks combinatorics divide and conquer dp math *2400	0 / 0	(None)
3024	CF1849F XOR Partition binary search bitmasks data structures divide and conquer greedy trees *2700	0 / 0	(None)
2869	CF1851F Lisa and the Martians bitmasks greedy math strings trees *1800	0 / 0	(None)
2735	CF1854B Earn or Unlock bitmasks brute force dp *2200	0 / 0	(None)
2602	CF1856E2 PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees *2700	0 / 0	(None)
2257	CF1861F Four Suits binary search bitmasks flows greedy *3200	0 / 0	(None)
2191	CF1862F Magic Will Save the World binary search bitmasks brute force dp *1800	0 / 0	(None)
2113	CF1863F Divide, XOR, and Conquer bitmasks dp math *2600	0 / 0	(None)
2046	CF1864C Divisor Chain bitmasks constructive algorithms math number theory *1300	0 / 0	(None)
2024	CF1864E Guess Game bitmasks data structures games math probabilities sortings strings trees *2100	0 / 0	(None)
1813	CF1867B XOR Palindromes bitmasks constructive algorithms strings *1100	0 / 0	(None)
1735	CF1868B1 Candy Party (Easy Version) bitmasks constructive algorithms graphs greedy implementation math *1700	0 / 0	(None)
1724	CF1868B2 Candy Party (Hard Version) bitmasks constructive algorithms dp greedy implementation math *2100	0 / 0	(None)
1636	CF1870B Friendly Arrays bitmasks greedy math *1200	0 / 0	(None)
1602	CF1870E Another MEX Problem bitmasks brute force dp shortest paths *2300	0 / 0	(None)
1513	CF1872E Data Structures Fan binary search bitmasks data structures dp *1500	0 / 0	(None)
10431	CF1874B Jellyfish and Math bitmasks brute force dfs and similar dp graphs shortest paths	0 / 0	(None)
10301	CF1875C Jellyfish and Green Apple bitmasks greedy math number theory	0 / 0	(None)
8634	CF1878E Iva & Pav binary search bitmasks data structures greedy	0 / 0	(None)
8412	CF1878G wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees	0 / 0	(None)
7967	CF1879D Sum of XOR Functions bitmasks combinatorics divide and conquer dp math *1700	0 / 0	(None)
6745	CF1882B Sets and Union bitmasks brute force constructive algorithms greedy	0 / 0	(None)
6523	CF1882D Tree XOR bitmasks dfs and similar dp greedy trees	0 / 0	(None)
5745	CF1883E Look Back bitmasks greedy	0 / 0	(None)
4301	CF1886E I Wanna be the Team Leader bitmasks constructive algorithms dp greedy math sortings two pointers	0 / 0	(None)
4745	CF1895D XOR Construction bitmasks constructive algorithms data structures math	0 / 0	(None)
10332	CF1896F Bracket Xoring bitmasks constructive algorithms graph matchings implementation	0 / 0	(None)
10359	CF1903B StORage room bitmasks brute force constructive algorithms greedy *1200	0 / 0	(None)
10356	CF1903D1 Maximum And Queries (easy version) binary search bitmasks brute force greedy *1700	0 / 0	(None)
10355	CF1903D2 Maximum And Queries (hard version) binary search bitmasks divide and conquer dp greedy *2500	0 / 0	(None)
10351	CF1906B Button Pressing bitmasks constructive algorithms hashing	0 / 0	(None)

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