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

Problemset

65 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2234D	XOR, Expression and Two Binary Numbers bitmasks divide and conquer dp math number theory	1500	8.6k
2205G	Simons and Diophantus Equation bitmasks brute force data structures math number theory	3000	231
2194C	Secret message bitmasks brute force dp math number theory	1300	11.7k
2180C	XOR-factorization bitmasks constructive algorithms dp greedy number theory	1900	6.7k
2178H	Create or Duplicate bitmasks graphs number theory shortest paths	3300	334
2176F	Omega Numbers bitmasks combinatorics dp math number theory	2400	1.6k
2125C	Count Good Numbers bitmasks combinatorics math number theory	1100	23.3k
2109C1	Hacking Numbers (Easy Version) bitmasks constructive algorithms interactive math number theory	1500	11.8k
2077G	RGB Walking bitmasks chinese remainder theorem dfs and similar graphs number theory	3500	142
2072F	Goodbye, Banker Life 2-sat bitmasks combinatorics constructive algorithms fft math number theory	1700	8.7k
2039C1	Shohag Loves XOR (Easy Version) bitmasks brute force math number theory	1200	13.8k
2039C2	Shohag Loves XOR (Hard Version) bitmasks brute force math number theory	1800	5.1k
2037G	Natlan Exploring bitmasks combinatorics data structures dp math number theory	2000	3.9k
2036F	XORificator 3000 bitmasks dp number theory two pointers	1900	5.5k
2020A	Find Minimum Operations bitmasks brute force greedy math number theory	800	26.3k
1991D	Prime XOR Coloring bitmasks constructive algorithms graphs greedy math number theory	1900	8k
1991H	Prime Split Game bitmasks dp fft games math number theory	3300	580
1973F	Maximum GCD Sum Queries bitmasks brute force dp implementation number theory	3100	345
1965B	Missing Subsequence Sum bitmasks constructive algorithms greedy number theory	1800	8.3k
1926E	Vlad and an Odd Ordering binary search bitmasks data structures dp implementation math number theory	1500	15.2k
1909B	Make Almost Equal With Mod bitmasks constructive algorithms math number theory	1200	33.4k
1909E	Multiple Lamps bitmasks brute force constructive algorithms math number theory	2400	1.7k
1900D	Small GCD bitmasks brute force dp math number theory	2000	5.6k
1875C	Jellyfish and Green Apple bitmasks greedy math number theory	1400	14.1k
1864C	Divisor Chain bitmasks constructive algorithms math number theory	1300	15.5k
1844G	Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees	3000	1.2k
1780F	Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings	2300	2k
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
1731C	Even Subarrays bitmasks brute force hashing math number theory	1700	12.5k
1707F	Bugaboo bitmasks constructive algorithms dp number theory	3500	186
1698G	Long Binary String bitmasks math matrices meet-in-the-middle number theory	2900	397
1673E	Power or XOR? bitmasks combinatorics math number theory	2500	851
1665D	GCD Guess bitmasks chinese remainder theorem constructive algorithms games interactive math number theory	2000	4.8k
1635D	Infinite Set bitmasks dp math matrices number theory strings	1800	7.1k
1601A	Array Elimination bitmasks greedy math number theory	1300	22.3k
1548D1	Gregor and the Odd Cows (Easy) bitmasks geometry math number theory	2300	1.6k
1497D	Genius bitmasks dp graphs number theory	2500	1.8k
1493F	Enchanted Matrix bitmasks interactive number theory	2600	525
1470B	Strange Definition bitmasks graphs hashing math number theory	1900	6.8k
1427E	Xum bitmasks constructive algorithms math matrices number theory	2500	1.7k
1398G	Running Competition bitmasks fft math number theory	2600	1.3k
1325D	Ehab the Xorcist bitmasks constructive algorithms greedy number theory	1700	13.8k
1312C	Adding Powers bitmasks greedy implementation math number theory ternary search	1400	18.5k
1225G	To Make 1 bitmasks constructive algorithms dp greedy number theory	3100	665
1220D	Alex and Julian bitmasks math number theory	1900	4.2k
1166E	The LCMs Must be Large bitmasks brute force constructive algorithms math number theory	2100	3k
1144E	Median String bitmasks math number theory strings	1900	4.5k
1114F	Please, another Queries on Array? bitmasks data structures divide and conquer math number theory	2400	2.6k
1097F	Alex and a TV Show bitmasks combinatorics number theory	2500	1.5k
1043F	Make It One bitmasks combinatorics dp math number theory shortest paths	2500	3.1k
1027G	X-mouse in the Campus bitmasks math number theory	2600	386
1016G	Appropriate Team bitmasks math number theory	2700	364
1007B	Pave the Parallelepiped bitmasks brute force combinatorics math number theory	2400	1.1k
979D	Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees	2200	2.3k
920G	List Of Integers binary search bitmasks brute force combinatorics math number theory	2200	2.1k
912B	New Year's Eve bitmasks constructive algorithms number theory	1300	14.2k
900D	Unusual Sequences bitmasks combinatorics dp math number theory	2000	3.9k
803F	Coprime Subsequences bitmasks combinatorics number theory	2000	5k
724G	Xor-matic Number of the Graph bitmasks graphs math number theory trees	2600	1.6k
633G	Yash And Trees bitmasks data structures dfs and similar math number theory	2800	934
547C	Mike and Foam bitmasks combinatorics dp math number theory	2300	3.5k
451E	Devu and Flowers bitmasks combinatorics number theory	2300	4.7k
401D	Roman and Numbers bitmasks brute force combinatorics dp number theory	2000	4.7k

showing 1–65 of 65