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Problemset

202 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1667D	Edge Elimination constructive algorithms dfs and similar dp trees	2900	846
1666J	Job Lookup constructive algorithms dp shortest paths trees	2100	1.6k
1654H	Three Minimums combinatorics constructive algorithms divide and conquer dp fft math	3500	108
1647D	Madoka and the Best School in Russia constructive algorithms dp math number theory	1900	5.7k
1646C	Factorials and Powers of Two bitmasks brute force constructive algorithms dp math	1500	20.5k
1646D	Weight the Tree constructive algorithms dfs and similar dp implementation trees	2000	4.5k
1637F	Towers constructive algorithms dfs and similar dp greedy trees	2500	2.2k
1630D	Flipping Range constructive algorithms dp greedy number theory	2400	2.1k
1624E	Masha-forgetful brute force constructive algorithms dp hashing implementation strings	2000	4.7k
1619E	MEX and Increments constructive algorithms data structures dp greedy implementation math sortings	1700	10.3k
1614C	Divan and bitwise operations bitmasks combinatorics constructive algorithms dp math	1500	11.4k
1594D	The Number of Imposters constructive algorithms dfs and similar dp dsu graphs	1700	9.8k
1593G	Changing Brackets constructive algorithms data structures dp greedy	2200	1.9k
1592C	Bakry and Partitioning bitmasks constructive algorithms dfs and similar dp graphs trees	1700	9.3k
1571F	Kotlinforces *special constructive algorithms dp	2000	231
1566B	MIN-MEX Cut bitmasks constructive algorithms dp greedy	800	21.4k
1566C	MAX-MEX Cut bitmasks constructive algorithms dp greedy	1000	19.2k
1566E	Buds Re-hanging constructive algorithms dfs and similar dp greedy trees	2000	4.5k
1566H	Xor-quiz constructive algorithms dp interactive math number theory	3200	177
1560F2	Nearest Beautiful Number (hard version) bitmasks brute force constructive algorithms dfs and similar dp greedy	2100	5.1k
1555C	Coin Rows brute force constructive algorithms dp implementation	1300	24.4k
1555D	Say No to Palindromes brute force constructive algorithms dp strings	1600	16k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1539E	Game with Cards binary search constructive algorithms data structures dp greedy implementation	2500	1.1k
1534H	Lost Nodes constructive algorithms dp graphs interactive sortings trees	3500	314
1531C	Симметричный амфитеатр *special constructive algorithms dp	unrated	660
1521D	Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees	2500	2.4k
1521E	Nastia and a Beautiful Matrix binary search constructive algorithms dp greedy	2700	768
1516C	Baby Ehab Partitions Again bitmasks constructive algorithms dp math	1700	14.5k
1495F	Squares constructive algorithms data structures dp graphs trees	3300	533
1491D	Zookeeper and The Infinite Zoo bitmasks constructive algorithms dp greedy math	1800	8.5k
1486E	Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths	2200	3.5k
1479B1	Painting the Array I constructive algorithms data structures dp greedy implementation	1900	7.5k
1479B2	Painting the Array II constructive algorithms data structures dp greedy implementation	2100	4.5k
1461F	Mathematical Expression constructive algorithms dp greedy	2700	678
1444D	Rectangular Polyline constructive algorithms dp geometry	2900	671
1442A	Extreme Subtraction constructive algorithms dp greedy	1800	9.8k
1442E	Black, White and Grey Tree binary search constructive algorithms dfs and similar dp greedy trees	3000	805
1437E	Make It Increasing binary search constructive algorithms data structures dp implementation	2200	4k
1423J	Bubble Cup hypothesis bitmasks constructive algorithms dp math	2400	915
1420C1	Pokémon Army (easy version) constructive algorithms dp greedy	1300	19.2k
1407E	Egor in the Republic of Dagestan constructive algorithms dfs and similar dp graphs greedy shortest paths	2500	2k
1391D	505 bitmasks brute force constructive algorithms dp greedy implementation	2000	5.8k
1384B2	Koa and the Beach (Hard Version) constructive algorithms dp greedy implementation	2200	2.6k
1383B	GameGame bitmasks constructive algorithms dp games greedy math	1900	5.6k
1379E	Inverse Genealogy constructive algorithms divide and conquer dp math trees	2800	538
1373E	Sum of Digits brute force constructive algorithms dp greedy	2200	3k
1366E	Two Arrays binary search brute force combinatorics constructive algorithms dp two pointers	2100	4.7k
1360F	Spy-string bitmasks brute force constructive algorithms dp hashing strings	1700	13.7k
1354F	Summoning Minions constructive algorithms dp flows graph matchings greedy sortings	2500	1.5k
1349E	Slime and Hats constructive algorithms dp greedy	3500	126
1338D	Nested Rubber Bands constructive algorithms dfs and similar dp math trees	2700	1.2k
1328D	Carousel constructive algorithms dp graphs greedy math	1800	14.7k
1296E1	String Coloring (easy version) constructive algorithms dp graphs greedy sortings	1800	8.3k
1286F	Harry The Potter brute force constructive algorithms dp fft implementation math	3100	411
1285E	Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers	2300	2k
1245B	Restricted RPS constructive algorithms dp greedy	1200	14.6k
1244D	Paint the Tree brute force constructive algorithms dp graphs implementation trees	1800	8.4k
1225G	To Make 1 bitmasks constructive algorithms dp greedy number theory	3100	665
1182D	Complete Mirror constructive algorithms dfs and similar dp hashing implementation trees	2400	1k
1157F	Maximum Balanced Circle constructive algorithms dp greedy two pointers	2000	2.9k
1151B	Dima and a Bad XOR bitmasks brute force constructive algorithms dp	1600	13.1k
1108D	Diverse Garland constructive algorithms dp greedy	1400	16.6k
1107G	Vasya and Maximum Profit binary search constructive algorithms data structures dp dsu	2400	1.3k
1056D	Decorate Apple Tree constructive algorithms dfs and similar dp graphs greedy sortings trees	1600	6.8k
1032C	Playing Piano constructive algorithms dp	1700	4.4k
963B	Destruction of a Tree constructive algorithms dfs and similar dp greedy trees	2000	3k
933E	A Preponderant Reunion constructive algorithms dp	3200	314
922F	Divisibility constructive algorithms dp greedy number theory	2400	768
868C	Qualification Rounds bitmasks brute force constructive algorithms dp	1500	5.1k
850D	Tournament Construction constructive algorithms dp graphs greedy math	2800	498
840B	Leha and another game about graph constructive algorithms data structures dfs and similar dp graphs	2100	2.9k
830E	Perpetual Motion Machine constructive algorithms dp graphs implementation math trees	3100	373
796C	Bank Hacking constructive algorithms data structures dp trees	1900	3.2k
796D	Police Stations constructive algorithms dfs and similar dp graphs shortest paths trees	2100	7.8k
793E	Problem of offices constructive algorithms dfs and similar dp trees	2900	327
772C	Vulnerable Kerbals constructive algorithms dp graphs math number theory	2300	1.5k
766E	Mahmoud and a xor trip bitmasks constructive algorithms data structures dfs and similar dp math trees	2100	3.6k
758D	Ability To Convert constructive algorithms dp greedy math strings	2000	3k
754C	Vladik and chat brute force constructive algorithms dp implementation strings	2200	1.1k
733C	Epidemic in Monstropolis constructive algorithms dp greedy two pointers	1800	3.6k
626B	Cards constructive algorithms dp math	1300	7k
582B	Once Again... constructive algorithms dp matrices	1900	3.7k
546D	Soldier and Number Game constructive algorithms dp math number theory	1700	14.1k
538B	Quasi Binary constructive algorithms dp greedy implementation	1400	19.5k
533E	Correcting Mistakes constructive algorithms dp greedy hashing strings two pointers	1800	2.5k
429C	Guess the Tree bitmasks constructive algorithms dp greedy trees	2300	1.1k
424D	Biathlon Track binary search brute force constructive algorithms data structures dp	2300	639
359B	Permutation constructive algorithms dp math	1400	8.8k
356D	Bags and Coins bitmasks constructive algorithms dp greedy	2700	1.1k
354E	Lucky Number Representation constructive algorithms dfs and similar dp	2200	934
353D	Queue constructive algorithms dp	2000	3.2k
339C	Xenia and Weights constructive algorithms dfs and similar dp graphs greedy shortest paths	1700	8.8k
335B	Palindrome constructive algorithms dp	1900	2.4k
331E2	Deja Vu constructive algorithms dp	3100	237
327E	Axis Walking bitmasks combinatorics constructive algorithms dp meet-in-the-middle	2300	1.6k
261C	Maxim and Matrix constructive algorithms dp math	2000	846
232C	Doe Graphs constructive algorithms divide and conquer dp graphs shortest paths	2600	327
201A	Clear Symmetry constructive algorithms dp math	1700	3.3k
141E	Clearing Up constructive algorithms dp dsu graphs	2300	1.4k

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