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

Problemset

81 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2232E	Snaking Arrangement combinatorics constructive algorithms	2600	587
2217F	Interval Game bitmasks combinatorics constructive algorithms dp games greedy math probabilities	2300	885
2207E2	N-MEX (Counting Version) combinatorics constructive algorithms math	2400	964
2190B1	Sub-RBS (Easy Version) combinatorics constructive algorithms dp greedy strings two pointers	1400	11.5k
2183D2	Tree Coloring (Hard Version) combinatorics constructive algorithms data structures dfs and similar greedy implementation trees	2100	2.6k
2168B	Locate binary search combinatorics communication constructive algorithms greedy interactive	unrated	1.6k
2158F2	Distinct GCDs (Hard Version) combinatorics constructive algorithms graphs math number theory	3000	287
2157H	Keygen 3 brute force combinatorics constructive algorithms dfs and similar math	3200	238
2154F1	Bombing (Easy Version) brute force combinatorics constructive algorithms implementation math	2700	594
2096D	Wonderful Lightbulbs combinatorics constructive algorithms math	2000	5.7k
2092E	She knows... combinatorics constructive algorithms graphs math	2100	3.9k
2077E	Another Folding Strip combinatorics constructive algorithms data structures divide and conquer dp greedy math	2700	627
2072B	Having Been a Treasurer in the Past, I Help Goblins Deceive combinatorics constructive algorithms strings	900	31.5k
2072F	Goodbye, Banker Life 2-sat bitmasks combinatorics constructive algorithms fft math number theory	1700	8.7k
2040C	Ordered Permutations bitmasks combinatorics constructive algorithms greedy math two pointers	1600	11k
2034E	Permutations Harmony combinatorics constructive algorithms greedy hashing math	2200	2.1k
2030B	Minimise Oneness combinatorics constructive algorithms games math	800	24k
2022E1	Billetes MX (Easy Version) 2-sat binary search combinatorics constructive algorithms dfs and similar dsu graphs	2500	780
2006F	Dora's Paint brute force combinatorics constructive algorithms graphs implementation	3500	173
2005A	Simple Palindrome combinatorics constructive algorithms greedy math	900	26.7k
1994H	Fortnite combinatorics constructive algorithms games greedy hashing interactive math number theory strings	3500	779
1979C	Earning on Bets binary search combinatorics constructive algorithms number theory	1200	22.5k
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks brute force combinatorics constructive algorithms dfs and similar math	2300	1.2k
1922B	Forming Triangles combinatorics constructive algorithms math sortings	1200	23.7k
1919E	Counting Prefixes combinatorics constructive algorithms dp implementation math	2600	1.2k
1864G	Magic Square combinatorics constructive algorithms implementation	3100	358
1862D	Ice Cream Balls binary search combinatorics constructive algorithms math	1300	20.2k
1833F	Ira and Flamenco combinatorics constructive algorithms data structures implementation math sortings two pointers	1700	10.6k
1823A	A-characteristic combinatorics constructive algorithms math	800	17.3k
1776G	Another Wine Tasting Event combinatorics constructive algorithms math strings	2100	2.4k
1774G	Segment Covering brute force combinatorics constructive algorithms data structures dp trees	3200	692
1767D	Playoff combinatorics constructive algorithms dp greedy math	1500	11.3k
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
1739C	Card Game combinatorics constructive algorithms dp games	1500	10.2k
1732A	Bestie brute force combinatorics constructive algorithms implementation math number theory	1000	17.8k
1717D	Madoka and The Corruption Scheme combinatorics constructive algorithms greedy math	1900	4.9k
1713F	Lost Array bitmasks combinatorics constructive algorithms dp math	2900	771
1705D	Mark and Lightbulbs combinatorics constructive algorithms greedy math sortings	1800	7.2k
1704H1	Game of AI (easy version) combinatorics constructive algorithms dp fft math	3200	346
1699C	The Third Problem combinatorics constructive algorithms math	1700	10.8k
1697E	Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math	2400	1.5k
1687E	Become Big For Me combinatorics constructive algorithms greedy math number theory	3500	323
1654H	Three Minimums combinatorics constructive algorithms divide and conquer dp fft math	3500	108
1651E	Sum of Matchings brute force combinatorics constructive algorithms dfs and similar graph matchings greedy math	2600	669
1614C	Divan and bitwise operations bitmasks combinatorics constructive algorithms dp math	1500	11.4k
1612G	Max Sum Array combinatorics constructive algorithms greedy sortings	2500	1k
1586I	Omkar and Mosaic combinatorics constructive algorithms math	3500	355
1574E	Coloring combinatorics constructive algorithms implementation math	2500	1.1k
1553E	Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math	2100	3.8k
1552C	Maximize the Intersections combinatorics constructive algorithms geometry greedy sortings	1800	6.3k
1550D	Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers	2300	2.1k
1545C	AquaMoon and Permutations 2-sat brute force combinatorics constructive algorithms graph matchings graphs	2800	797
1536F	Omkar and Akmar chinese remainder theorem combinatorics constructive algorithms fft games geometry math meet-in-the-middle string suffix structures	2600	1.2k
1526E	Oolimry and Suffix Array combinatorics constructive algorithms math	2400	1.6k
1513B	AND Sequences bitmasks combinatorics constructive algorithms math	1400	21k
1513E	Cost Equilibrium combinatorics constructive algorithms math sortings	2300	1.8k
1508B	Almost Sorted binary search combinatorics constructive algorithms implementation	1800	4.5k
1499A	Domino on Windowsill combinatorics constructive algorithms math	800	22k
1366E	Two Arrays binary search brute force combinatorics constructive algorithms dp two pointers	2100	4.7k
1365G	Secure Password bitmasks combinatorics constructive algorithms interactive math	2800	1.5k
1332E	Height All the Same combinatorics constructive algorithms math matrices	2100	4.4k
1280F	Intergalactic Sliding Puzzle combinatorics constructive algorithms math	3400	113
1276C	Beautiful Rectangle brute force combinatorics constructive algorithms data structures greedy math	2300	1.8k
1202D	Print a 1337-string... combinatorics constructive algorithms math strings	1900	5.5k
894B	Ralph And His Magic Field combinatorics constructive algorithms math number theory	1800	4.7k
815B	Karen and Test brute force combinatorics constructive algorithms math	2200	1.7k
788B	Weird journey combinatorics constructive algorithms dfs and similar dsu graphs	2100	2.9k
735C	Tennis Championship combinatorics constructive algorithms greedy math	1600	8.1k
629A	Far Relative’s Birthday Cake brute force combinatorics constructive algorithms implementation	800	14.9k
612E	Square Root of Permutation combinatorics constructive algorithms dfs and similar graphs math	2200	2.1k
553B	Kyoya and Permutation binary search combinatorics constructive algorithms greedy implementation math	1900	2.3k
478B	Random Teams combinatorics constructive algorithms greedy math	1300	41.9k
459C	Pashmak and Buses combinatorics constructive algorithms math	1900	6.5k
356C	Compartments combinatorics constructive algorithms greedy implementation	2100	1.4k
353B	Two Heaps combinatorics constructive algorithms greedy implementation math sortings	1900	2.4k
327E	Axis Walking bitmasks combinatorics constructive algorithms dp meet-in-the-middle	2300	1.6k
323A	Black-and-White Cube combinatorics constructive algorithms	1600	976
272E	Dima and Horses combinatorics constructive algorithms graphs	2200	1.3k
176C	Playing with Superglue combinatorics constructive algorithms	2000	546
26C	Parquet combinatorics constructive algorithms greedy implementation	2000	1.1k

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