11,311/11,320 captured·📄 81 PDFs⊘ 0 skipped9 remaining100%

Problemset

95 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2233E1	Permutation Transmission (Easy Version) bitmasks combinatorics sortings	2200	1.2k
2233E2	Permutation Transmission (Difficult Version) bitmasks combinatorics sortings	2300	1.1k
2217F	Interval Game bitmasks combinatorics constructive algorithms dp games greedy math probabilities	2300	885
2211D	AND-array bitmasks combinatorics math	1900	3.2k
2182F1	Christmas Reindeer (easy version) bitmasks brute force combinatorics dp math	2300	1.3k
2182F2	Christmas Reindeer (hard version) bitmasks brute force combinatorics data structures greedy math	2500	1.1k
2180G	Balance bitmasks combinatorics implementation math	3500	154
2178I	Numbers or Fireworks bitmasks combinatorics dp graphs	3300	265
2176F	Omega Numbers bitmasks combinatorics dp math number theory	2400	1.6k
2171G	Sakura Adachi and Optimal Sequences bitmasks combinatorics greedy math	2000	2.4k
2163E	Plegma bitmasks combinatorics communication interactive	2700	676
2140E1	Prime Gaming (Easy Version) bitmasks combinatorics dp	2200	2.2k
2140E2	Prime Gaming (Hard Version) bitmasks combinatorics dp probabilities	2500	1.3k
2135C	By the Assignment binary search bitmasks combinatorics dfs and similar dsu graphs math	2000	5.4k
2125C	Count Good Numbers bitmasks combinatorics math number theory	1100	23.3k
2096H	Wonderful XOR Problem bitmasks combinatorics dp fft math	3200	235
2075E	XOR Matrix bitmasks combinatorics dp implementation math	2500	1.2k
2072F	Goodbye, Banker Life 2-sat bitmasks combinatorics constructive algorithms fft math number theory	1700	8.7k
2066C	Bitwise Slides bitmasks combinatorics dp math	2300	2.6k
2062H	Galaxy Generator bitmasks combinatorics dp	3500	189
2056F1	Xor of Median (Easy Version) bitmasks brute force combinatorics dp math	2700	455
2056F2	Xor of Median (Hard Version) bitmasks brute force combinatorics dp math	3000	362
2043F	Nim bitmasks brute force combinatorics dp games greedy implementation shortest paths	2700	918
2040C	Ordered Permutations bitmasks combinatorics constructive algorithms greedy math two pointers	1600	11k
2037G	Natlan Exploring bitmasks combinatorics data structures dp math number theory	2000	3.9k
2029H	Message Spread bitmasks brute force combinatorics dp	3500	111
1982E	Number of k-good subarrays bitmasks brute force combinatorics divide and conquer dp math meet-in-the-middle	2300	1.9k
1975F	Set bitmasks brute force combinatorics dfs and similar divide and conquer dp math	2600	1.1k
1967C	Fenwick Tree bitmasks brute force combinatorics data structures dp math trees	2300	2.3k
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks brute force combinatorics constructive algorithms dfs and similar math	2300	1.2k
1912K	Kim's Quest bitmasks combinatorics dp	1800	4.4k
1879D	Sum of XOR Functions bitmasks combinatorics divide and conquer dp math	1700	11.1k
1848F	Vika and Wiki binary search bitmasks combinatorics divide and conquer dp math	2400	2.1k
1843C	Sum in Binary Tree bitmasks combinatorics math trees	800	40.3k
1840B	Binary Cafe bitmasks combinatorics math	1100	25k
1829H	Don't Blame Me bitmasks combinatorics dp math	1700	11.3k
1815D	XOR Counting bitmasks combinatorics dp math	2600	1.5k
1780F	Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings	2300	2k
1777D	Score of a Tree bitmasks combinatorics dfs and similar dp math probabilities trees	1900	4.9k
1773G	Game of Questions bitmasks combinatorics dp fft math probabilities	2800	560
1770F	Koxia and Sequence bitmasks combinatorics dp math number theory	3100	1k
1748D	ConstructOR bitmasks chinese remainder theorem combinatorics constructive algorithms math number theory	2100	3.3k
1743G	Antifibonacci Cut bitmasks combinatorics constructive algorithms data structures dp hashing math	3000	381
1728G	Illumination binary search bitmasks brute force combinatorics dp math two pointers	2700	669
1713F	Lost Array bitmasks combinatorics constructive algorithms dp math	2900	771
1705E	Mark and Professor Koro binary search bitmasks brute force combinatorics data structures greedy	2300	2.5k
1679E	Typical Party in Dorm bitmasks combinatorics dp strings	2400	1.5k
1673E	Power or XOR? bitmasks combinatorics math number theory	2500	850
1670F	Jee, You See? bitmasks combinatorics dp	2400	1.3k
1641D	Two Arrays bitmasks brute force combinatorics greedy hashing math two pointers	2700	1.6k
1620G	Subsequences Galore bitmasks combinatorics dp	2400	1.2k
1616H	Keep XOR Low bitmasks combinatorics data structures divide and conquer dp math	3000	1.4k
1614C	Divan and bitwise operations bitmasks combinatorics constructive algorithms dp math	1500	11.4k
1567C	Carrying Conundrum bitmasks combinatorics dp math	1600	13.3k
1557C	Moamen and XOR bitmasks combinatorics dp math matrices	1700	10.9k
1556F	Sports Betting bitmasks combinatorics dp graphs math probabilities	2500	1.5k
1530F	Bingo bitmasks combinatorics dp math probabilities	2600	1.2k
1514B	AND 0, Sum Big bitmasks combinatorics math	1200	36.7k
1513B	AND Sequences bitmasks combinatorics constructive algorithms math	1400	21k
1400G	Mercenaries bitmasks brute force combinatorics dp dsu math two pointers	2600	1.2k
1365G	Secure Password bitmasks combinatorics constructive algorithms interactive math	2800	1.5k
1336E1	Chiori and Doll Picking (easy version) bitmasks brute force combinatorics math	2700	902
1336E2	Chiori and Doll Picking (hard version) bitmasks brute force combinatorics math	3500	706
1329B	Dreamoon Likes Sequences bitmasks combinatorics math	1700	7.2k
1327F	AND Segments bitmasks combinatorics data structures dp two pointers	2500	2.1k
1299D	Around the World bitmasks combinatorics dfs and similar dp graphs math trees	3000	652
1292F	Nora's Toy Boxes bitmasks combinatorics dp	3500	427
1245F	Daniel and Spring Cleaning bitmasks brute force combinatorics dp	2300	2.3k
1221G	Graph And Numbers bitmasks brute force combinatorics dp meet-in-the-middle	2900	988
1185G1	Playlist for Polycarp (easy version) bitmasks combinatorics dp	2100	3.3k
1097F	Alex and a TV Show bitmasks combinatorics number theory	2500	1.5k
1073E	Segment Sum bitmasks combinatorics dp math	2300	3.8k
1043F	Make It One bitmasks combinatorics dp math number theory shortest paths	2500	3.1k
1007B	Pave the Parallelepiped bitmasks brute force combinatorics math number theory	2400	1.1k
920G	List Of Integers binary search bitmasks brute force combinatorics math number theory	2200	2.1k
908E	New Year and Entity Enumeration bitmasks combinatorics dp math	2500	871
900D	Unusual Sequences bitmasks combinatorics dp math number theory	2000	3.9k
895C	Square Subsets bitmasks combinatorics dp math	2000	7.6k
875D	High Cry binary search bitmasks combinatorics data structures divide and conquer	2200	2.6k
803F	Coprime Subsequences bitmasks combinatorics number theory	2000	5k
776G	Sherlock and the Encrypted Data bitmasks combinatorics dp	2900	410
750G	New Year and Binary Tree Paths bitmasks brute force combinatorics dp	3200	617
677C	Vanya and Label bitmasks combinatorics implementation strings	1500	7k
547C	Mike and Foam bitmasks combinatorics dp math number theory	2300	3.5k
535B	Tavas and SaDDas bitmasks brute force combinatorics implementation	1100	27k
476B	Dreamoon and WiFi bitmasks brute force combinatorics dp math probabilities	1300	38k
451E	Devu and Flowers bitmasks combinatorics number theory	2300	4.7k
449D	Jzzhu and Numbers bitmasks combinatorics dp	2400	6.4k
431D	Random Task binary search bitmasks combinatorics dp math	2100	3k
401D	Roman and Numbers bitmasks brute force combinatorics dp number theory	2000	4.7k
336E	Vasily the Bear and Painting Square bitmasks combinatorics dp implementation	2700	158
327E	Axis Walking bitmasks combinatorics constructive algorithms dp meet-in-the-middle	2300	1.6k
285D	Permutation Sum bitmasks combinatorics dp implementation meet-in-the-middle	1900	1.7k
232B	Table bitmasks combinatorics dp math	1900	1.7k
217D	Bitonix' Patrol bitmasks brute force combinatorics dfs and similar math	2900	282

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