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Problemset

2,107 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1442E	Black, White and Grey Tree binary search constructive algorithms dfs and similar dp greedy trees	3000	805
1439A1	Binary Table (Easy Version) constructive algorithms implementation	1500	9.8k
1439A2	Binary Table (Hard Version) constructive algorithms graphs greedy implementation	1900	5.4k
1439B	Graph Subset Problem constructive algorithms data structures graphs	2600	1.7k
1438A	Specific Tastes of Andre constructive algorithms implementation	800	19.8k
1438B	Valerii Against Everyone constructive algorithms data structures greedy sortings	1000	30.8k
1438C	Engineer Artem 2-sat chinese remainder theorem constructive algorithms fft flows	2000	11.8k
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
1437A	Marketing Scheme brute force constructive algorithms greedy math	800	18.5k
1437B	Reverse Binary Strings constructive algorithms greedy	1200	21.1k
1437E	Make It Increasing binary search constructive algorithms data structures dp implementation	2200	4k
1436B	Prime Square constructive algorithms math	900	21.8k
1433C	Dominant Piranha constructive algorithms greedy	900	28.8k
1433D	Districts Connection constructive algorithms dfs and similar	1200	32k
1430A	Number of Apartments brute force constructive algorithms math	900	22k
1430C	Numbers on Whiteboard constructive algorithms data structures greedy implementation math	1000	28.7k
1428D	Bouncing Boomerangs constructive algorithms greedy implementation	1900	4.8k
1427D	Unshuffling a Deck constructive algorithms implementation	2000	3.7k
1427E	Xum bitmasks constructive algorithms math matrices number theory	2500	1.7k
1426C	Increase and Copy binary search constructive algorithms math	1100	20.8k
1426D	Non-zero Segments constructive algorithms data structures greedy sortings	1500	17.8k
1426E	Rock, Paper, Scissors brute force constructive algorithms flows greedy math	1800	8.2k
1425H	Huge Boxes of Animal Toys constructive algorithms	1300	4.4k
1423J	Bubble Cup hypothesis bitmasks constructive algorithms dp math	2400	915
1421B	Putting Bricks in the Wall constructive algorithms implementation	1100	13.5k
1421C	Palindromifier constructive algorithms strings	1400	13.6k
1421D	Hexagons brute force constructive algorithms greedy implementation math shortest paths	1900	4.4k
1420C1	Pokémon Army (easy version) constructive algorithms dp greedy	1300	19.2k
1419B	Stairs brute force constructive algorithms greedy implementation math	1200	17.1k
1419D1	Sage's Birthday (easy version) binary search constructive algorithms greedy sortings	1000	26.6k
1419D2	Sage's Birthday (hard version) binary search brute force constructive algorithms greedy sortings two pointers	1500	17.6k
1419E	Decryption constructive algorithms implementation math number theory	2100	3.5k
1416B	Make Them Equal constructive algorithms greedy math	2000	6.8k
1415D	XOR-gun bitmasks brute force constructive algorithms	2000	6.3k
1415E	New Game Plus! constructive algorithms greedy math	2200	3.1k
1413A	Finding Sasuke constructive algorithms math	800	15.3k
1408A	Circle Coloring constructive algorithms	800	12.8k
1408B	Arrays Sum constructive algorithms greedy math	1400	10.5k
1408F	Two Different constructive algorithms divide and conquer	2300	2.7k
1407A	Ahahahahahahahaha constructive algorithms math	1100	21.5k
1407C	Chocolate Bunny constructive algorithms interactive math two pointers	1600	15.3k
1407E	Egor in the Republic of Dagestan constructive algorithms dfs and similar dp graphs greedy shortest paths	2500	2k
1406C	Link Cut Centroids constructive algorithms dfs and similar graphs trees	1700	12k
1406D	Three Sequences constructive algorithms data structures greedy math	2200	3.9k
1405A	Permutation Forgery constructive algorithms	800	22k
1405B	Array Cancellation constructive algorithms implementation	1000	23.4k
1404C	Fixed Point Removal binary search constructive algorithms data structures greedy two pointers	2300	3.1k
1404D	Game of Pairs constructive algorithms dfs and similar interactive math number theory	2800	1.3k
1401A	Distance and Axis constructive algorithms math	900	28.8k
1401B	Ternary Sequence constructive algorithms greedy math	1100	21.9k
1401C	Mere Array constructive algorithms math number theory sortings	1300	27.3k
1400A	String Similarity constructive algorithms strings	800	28k
1400C	Binary String Reconstruction 2-sat brute force constructive algorithms greedy	1500	18.6k
1399D	Binary String To Subsequences constructive algorithms data structures greedy implementation	1500	20.1k
1396A	Multiples of Length constructive algorithms greedy number theory	1600	16.8k
1396B	Stoned Game brute force constructive algorithms games greedy	1800	13.2k
1396E	Distance Matching constructive algorithms dfs and similar trees	3200	441
1395B	Boboniu Plays Chess constructive algorithms	1100	16.4k
1393B	Applejack and Storages constructive algorithms data structures greedy implementation	1400	17.4k
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms greedy math sortings	1700	11.1k
1392E	Omkar and Duck bitmasks constructive algorithms interactive math	2100	3.8k
1392F	Omkar and Landslide binary search constructive algorithms data structures greedy math	2400	2.6k
1391A	Suborrays constructive algorithms math	800	25.1k
1391D	505 bitmasks brute force constructive algorithms dp greedy implementation	2000	5.8k
1391E	Pairs of Pairs constructive algorithms dfs and similar graphs greedy trees	2600	2.1k
1389A	LCM Problem constructive algorithms greedy math number theory	800	51.4k
1386A	Colors *special binary search constructive algorithms interactive	2700	357
1385E	Directing Edges constructive algorithms dfs and similar graphs	2000	9.5k
1384A	Common Prefixes constructive algorithms greedy strings	1200	19.8k
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
1383D	Rearrange brute force constructive algorithms graphs greedy sortings	2800	836
1381A1	Prefix Flip (Easy Version) constructive algorithms data structures strings	1300	21.9k
1381A2	Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers	1700	14.5k
1381C	Mastermind constructive algorithms graph matchings greedy implementation sortings two pointers	2500	1.7k
1380D	Berserk And Fireball constructive algorithms greedy implementation math two pointers	2000	5.1k
1379E	Inverse Genealogy constructive algorithms divide and conquer dp math trees	2800	538
1375A	Sign Flipping constructive algorithms math	1100	18.9k
1375B	Neighbor Grid constructive algorithms greedy	1200	17.9k
1375C	Element Extermination constructive algorithms data structures greedy	1400	23.2k
1375D	Replace by MEX brute force constructive algorithms sortings	1900	10.2k
1375E	Inversion SwapSort constructive algorithms greedy sortings	2500	3.5k
1375F	Integer Game constructive algorithms games interactive math	2600	2.6k
1375G	Tree Modification brute force constructive algorithms dfs and similar graph matchings graphs trees	2800	2.3k
1375H	Set Merging constructive algorithms divide and conquer	3300	536
1374F	Cyclic Shifts Sorting brute force constructive algorithms implementation sortings	2400	1.4k
1373E	Sum of Digits brute force constructive algorithms dp greedy	2200	3k
1373F	Network Coverage binary search constructive algorithms data structures greedy	2400	1.9k
1372A	Omkar and Completion constructive algorithms implementation	800	33.6k
1372C	Omkar and Baseball constructive algorithms math	1500	19.2k
1371D	Grid-00100 constructive algorithms greedy implementation	1600	13.8k
1370B	GCD Compression constructive algorithms math number theory	1100	25.3k
1370E	Binary Subsequence Rotation binary search constructive algorithms data structures greedy	2100	5.3k
1368B	Codeforces Subsequences brute force constructive algorithms greedy math strings	1500	21.7k
1368C	Even Picture constructive algorithms	1500	14.1k
1368E	Ski Accidents constructive algorithms graphs greedy	2500	2.4k
1367C	Social Distance constructive algorithms greedy math	1300	25.5k
1367D	Task On The Board constructive algorithms greedy implementation sortings	1800	8.9k
1366D	Two Divisors constructive algorithms math number theory	2000	12.6k

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