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Problemset

172 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1632B	Roof Construction bitmasks constructive algorithms	1000	33.2k
1630A	And Matching bitmasks constructive algorithms	1500	16.3k
1618F	Reverse bitmasks constructive algorithms dfs and similar implementation math strings	2000	4.8k
1614C	Divan and bitwise operations bitmasks combinatorics constructive algorithms dp math	1500	11.4k
1605D	Treelabeling bitmasks constructive algorithms dfs and similar games greedy implementation trees	2100	3.3k
1592C	Bakry and Partitioning bitmasks constructive algorithms dfs and similar dp graphs trees	1700	9.3k
1583F	Defender of Childhood Dreams bitmasks constructive algorithms divide and conquer	2500	1.6k
1566B	MIN-MEX Cut bitmasks constructive algorithms dp greedy	800	21.4k
1566C	MAX-MEX Cut bitmasks constructive algorithms dp greedy	1000	19.2k
1560F1	Nearest Beautiful Number (easy version) binary search bitmasks brute force constructive algorithms dfs and similar greedy	1900	6.8k
1560F2	Nearest Beautiful Number (hard version) bitmasks brute force constructive algorithms dfs and similar dp greedy	2100	5.1k
1559A	Mocha and Math bitmasks constructive algorithms math	900	48.3k
1556D	Take a Guess bitmasks constructive algorithms interactive math	1800	9k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1547D	Co-growing Sequence bitmasks constructive algorithms greedy	1300	18.8k
1543D1	RPD and Rap Sheet (Easy Version) bitmasks constructive algorithms interactive math	1700	8.1k
1543E	The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math	2700	499
1516C	Baby Ehab Partitions Again bitmasks constructive algorithms dp math	1700	14.5k
1513B	AND Sequences bitmasks combinatorics constructive algorithms math	1400	21k
1500C	Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers	2600	983
1493E	Enormous XOR bitmasks constructive algorithms greedy math strings two pointers	2600	1.1k
1492D	Genius's Gambit bitmasks constructive algorithms greedy math	1900	6.5k
1491D	Zookeeper and The Infinite Zoo bitmasks constructive algorithms dp greedy math	1800	8.5k
1479C	Continuous City bitmasks constructive algorithms	2500	1.5k
1463B	Find The Array bitmasks constructive algorithms greedy	1400	21.3k
1451E1	Bitwise Queries (Easy Version) bitmasks constructive algorithms interactive math	2000	5.6k
1451E2	Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math	2300	4k
1438D	Powerful Ksenia bitmasks constructive algorithms math	2200	4.6k
1438E	Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers	2500	1.5k
1427E	Xum bitmasks constructive algorithms math matrices number theory	2500	1.7k
1423J	Bubble Cup hypothesis bitmasks constructive algorithms dp math	2400	915
1415D	XOR-gun bitmasks brute force constructive algorithms	2000	6.3k
1392E	Omkar and Duck bitmasks constructive algorithms interactive math	2100	3.8k
1391D	505 bitmasks brute force constructive algorithms dp greedy implementation	2000	5.8k
1383B	GameGame bitmasks constructive algorithms dp games greedy math	1900	5.6k
1365G	Secure Password bitmasks combinatorics constructive algorithms interactive math	2800	1.5k
1364E	X-OR bitmasks constructive algorithms divide and conquer interactive probabilities	2700	1.7k
1361C	Johnny and Megan's Necklace binary search bitmasks constructive algorithms dfs and similar dsu graphs	2500	2.1k
1360F	Spy-string bitmasks brute force constructive algorithms dp hashing strings	1700	13.7k
1360H	Binary Median binary search bitmasks brute force constructive algorithms	2100	4.9k
1338B	Edge Weight Assignment bitmasks constructive algorithms dfs and similar greedy math trees	1800	9.7k
1338C	Perfect Triples bitmasks brute force constructive algorithms divide and conquer math	2200	3.5k
1332D	Walk on Matrix bitmasks constructive algorithms math	1700	8.5k
1325D	Ehab the Xorcist bitmasks constructive algorithms greedy number theory	1700	13.8k
1322B	Present binary search bitmasks constructive algorithms data structures math sortings	2100	4.7k
1270C	Make Good bitmasks constructive algorithms math	1400	15.2k
1225G	To Make 1 bitmasks constructive algorithms dp greedy number theory	3100	665
1174D	Ehab and the Expected XOR Problem bitmasks constructive algorithms	1900	5.1k
1166E	The LCMs Must be Large bitmasks brute force constructive algorithms math number theory	2100	3k
1163E	Magical Permutation bitmasks brute force constructive algorithms data structures graphs math	2400	1.1k
1152B	Neko Performs Cat Furrier Transform bitmasks constructive algorithms dfs and similar math	1300	9.4k
1151B	Dima and a Bad XOR bitmasks brute force constructive algorithms dp	1600	13.1k
1148F	Foo Fighters bitmasks constructive algorithms	2700	1.2k
1117E	Decypher the String bitmasks chinese remainder theorem constructive algorithms interactive math	2200	1.7k
1088D	Ehab and another another xor problem bitmasks constructive algorithms implementation interactive	2000	3.2k
960C	Subsequence Counting bitmasks constructive algorithms greedy implementation	1700	4.2k
912B	New Year's Eve bitmasks constructive algorithms number theory	1300	14.2k
888G	Xor-MST bitmasks constructive algorithms data structures	2300	6.1k
878A	Short Program bitmasks constructive algorithms	1600	6k
868C	Qualification Rounds bitmasks brute force constructive algorithms dp	1500	5.1k
766E	Mahmoud and a xor trip bitmasks constructive algorithms data structures dfs and similar dp math trees	2100	3.6k
743B	Chloe and the sequence binary search bitmasks constructive algorithms implementation	1200	16.2k
734F	Anton and School bitmasks constructive algorithms implementation math	2500	1.4k
581D	Three Logos bitmasks brute force constructive algorithms geometry implementation math	1700	4.9k
570D	Tree Requests binary search bitmasks constructive algorithms dfs and similar graphs trees	2200	9.3k
566E	Restoring Map bitmasks constructive algorithms trees	3200	719
484A	Bits bitmasks constructive algorithms	1700	13.8k
467B	Fedor and New Game bitmasks brute force constructive algorithms implementation	1100	43.7k
429C	Guess the Tree bitmasks constructive algorithms dp greedy trees	2300	1.1k
388B	Fox and Minimal path bitmasks constructive algorithms graphs implementation math	1900	2.6k
356D	Bags and Coins bitmasks constructive algorithms dp greedy	2700	1.1k
327E	Axis Walking bitmasks combinatorics constructive algorithms dp meet-in-the-middle	2300	1.6k

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