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Problemset

2,031 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1538C	Number of Pairs binary search data structures math two pointers	1300	35.6k
1538E	Funny Substrings data structures hashing implementation matrices strings	2100	3.3k
1537E2	Erase and Extend (Hard Version) binary search data structures greedy hashing string suffix structures strings two pointers	2200	6.4k
1536C	Diluc and Kaeya data structures dp hashing number theory	1500	16.3k
1536D	Omkar and Medians data structures greedy implementation	2000	5.2k
1535D	Playoff Tournament data structures dfs and similar dp implementation trees	1800	8.6k
1535E	Gold Transfer binary search data structures dp greedy interactive trees	2200	3.1k
1535F	String Distance binary search brute force data structures hashing implementation strings	3000	701
1534G	A New Beginning data structures dp geometry sortings	3300	1k
1533C	Sweets *special data structures implementation	unrated	484
1533E	Chess Team Forming *special binary search data structures greedy	unrated	285
1533H	Submatrices *special bitmasks data structures dp	unrated	92
1530H	Turing's Award data structures dp	3400	207
1528C	Trees of Tranquillity data structures dfs and similar greedy trees	2300	3k
1527E	Partition Game binary search data structures divide and conquer dp	2500	3.1k
1526C1	Potions (Easy Version) brute force data structures dp greedy	1500	27.9k
1526C2	Potions (Hard Version) data structures greedy	1600	31.6k
1526D	Kill Anton brute force constructive algorithms data structures math strings	2200	2.8k
1525C	Robot Collisions data structures greedy implementation sortings	2000	5k
1523C	Compression and Expansion brute force data structures greedy implementation trees	1600	9.2k
1523G	Try Booking data structures divide and conquer	3200	555
1523H	Hopping Around the Array data structures dp	3500	464
1521D	Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees	2500	2.4k
1520D	Same Differences data structures hashing math	1200	68.1k
1520F2	Guess the K-th Zero (Hard version) binary search constructive algorithms data structures interactive	2200	3.4k
1519C	Berland Regional brute force data structures greedy number theory sortings	1400	23.4k
1517E	Group Photo binary search data structures implementation two pointers	2500	1.1k
1516D	Cut binary search data structures dp graphs number theory two pointers	2100	5.3k
1515C	Phoenix and Towers constructive algorithms data structures greedy	1400	19k
1515H	Phoenix and Bits bitmasks brute force data structures sortings	3500	357
1515I	Phoenix and Diamonds binary search data structures sortings	3400	440
1514D	Cut and Stick binary search data structures greedy implementation sortings	2000	5.1k
1513F	Swapping Problem brute force constructive algorithms data structures sortings	2500	1.5k
1512D	Corrupted Array constructive algorithms data structures greedy	1200	24.9k
1511C	Yet Another Card Deck brute force data structures implementation trees	1100	34.4k
1511F	Chainword brute force data structures dp matrices string suffix structures strings	2700	602
1511G	Chips on a Board bitmasks brute force data structures dp games two pointers	2700	988
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
1508E	Tree Calendar brute force constructive algorithms data structures dfs and similar sortings trees	3100	454
1508F	Optimal Encoding brute force data structures	3500	166
1506D	Epic Transformation constructive algorithms data structures greedy	1400	25.9k
1506G	Maximize the Remaining String brute force data structures dp greedy strings	2000	4.9k
1503C	Travelling Salesman Problem binary search data structures dp greedy shortest paths sortings two pointers	2200	3.9k
1503D	Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers	2600	1.3k
1503F	Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation	3500	239
1500D	Tiles for Bathroom data structures sortings two pointers	2900	640
1500E	Subset Trick binary search data structures	3300	426
1499C	Minimum Grid Path brute force data structures greedy math	1500	13.5k
1499G	Graph Coloring data structures graphs interactive	3100	294
1498B	Box Fitting binary search bitmasks data structures greedy	1300	24.6k
1498C	Planar Reflections brute force data structures dp	1600	12.5k
1498F	Christmas Game bitmasks data structures dfs and similar dp games math trees	2500	1.1k
1497A	Meximization brute force data structures greedy sortings	800	26.4k
1497E1	Square-Free Division (easy version) data structures dp greedy math number theory two pointers	1700	9.2k
1497E2	Square-Free Division (hard version) data structures dp greedy math number theory two pointers	2500	2k
1495E	Qingshan and Daniel brute force data structures greedy implementation	3200	548
1495F	Squares constructive algorithms data structures dp graphs trees	3300	533
1494D	Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees	2300	2.9k
1494E	A-Z Graph constructive algorithms data structures graphs hashing	2400	2.1k
1493D	GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers	2100	5.9k
1492B	Card Deck data structures greedy math	1100	21k
1492C	Maximum width binary search data structures dp greedy two pointers	1500	17.6k
1491C	Pekora and Trampoline brute force data structures dp greedy implementation	1700	8.4k
1491H	Yuezheng Ling and Dynamic Tree data structures trees	3400	1.3k
1491I	Ruler Of The Zoo brute force data structures	3500	109
1490E	Accidental Victory binary search data structures greedy	1400	21.2k
1490F	Equalize the Array binary search data structures greedy math sortings	1500	18.6k
1490G	Old Floppy Drive binary search data structures math	1900	6.3k
1488E	Palindromic Doubles *special data structures dp	2200	236
1488F	Dogecoin *special binary search data structures	2300	193
1488G	Painting Numbers *special data structures greedy number theory	2500	137
1488H	Build From Suffixes *special combinatorics data structures	2800	74
1488J	Flower Shop *special data structures fft math	3100	43
1487E	Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers	2000	5.2k
1486D	Max Median binary search data structures dp	2100	10.1k
1486F	Pairs of Paths combinatorics data structures dfs and similar dp trees	2600	875
1485F	Copy or Prefix Sum combinatorics data structures dp sortings	2400	2.4k
1482D	Playlist data structures dsu implementation shortest paths	1900	4.1k
1482E	Skyline Photo data structures divide and conquer dp	2100	3.9k
1482H	Exam data structures string suffix structures trees	3400	778
1481E	Sorting Books data structures dp greedy	2500	2.5k
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
1479D	Odd Mineral Resource binary search bitmasks brute force data structures probabilities trees	2900	1.4k
1477B	Nezzar and Binary String data structures greedy	1900	3.7k
1477E	Nezzar and Tournaments data structures greedy	3300	288
1476E	Pattern Matching bitmasks data structures dfs and similar graphs hashing sortings strings	2300	2.8k
1476F	Lanterns binary search data structures dp	3000	1.2k
1476G	Minimum Difference data structures hashing sortings two pointers	3100	874
1474C	Array Destruction brute force constructive algorithms data structures greedy implementation sortings	1700	14.3k
1474D	Cleaning data structures dp greedy math	2200	4.4k
1473D	Program data structures dp implementation strings	1700	11.1k
1472E	Correct Placement binary search data structures dp sortings two pointers	1700	9.1k
1470E	Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers	3200	981
1469F	Power Sockets binary search data structures greedy	2600	1.1k
1468A	LaIS data structures dp greedy	2200	2k
1468B	Bakery data structures dsu	2900	254
1468C	Berpizza data structures implementation	1400	11.5k
1468M	Similar Sets data structures graphs implementation	2300	1.2k
1467E	Distinctive Roots in a Tree data structures dfs and similar dp trees	2500	1.8k

showing 901–1000 of 2,031