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Problemset

117 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2227D	Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers	1200	13.9k
2217E	Definitely Larger binary search constructive algorithms data structures graphs greedy sortings	2000	2.5k
2215E	Star Map constructive algorithms data structures geometry greedy sortings	2700	217
2183D2	Tree Coloring (Hard Version) combinatorics constructive algorithms data structures dfs and similar greedy implementation trees	2100	2.6k
2171F	Rae Taylor and Trees (hard version) binary search constructive algorithms data structures dp dsu greedy implementation trees	1600	7.6k
2146E	Yet Another MEX Problem brute force constructive algorithms data structures divide and conquer greedy hashing	2300	2.2k
2127E	Ancient Tree constructive algorithms data structures dfs and similar dsu greedy trees	2100	4.4k
2111D	Creating a Schedule constructive algorithms data structures greedy implementation sortings	1400	12.3k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2084C	You Soared Afar With Grace constructive algorithms data structures greedy implementation	1400	12k
2084F	Skyscape constructive algorithms data structures greedy	2900	519
2077E	Another Folding Strip combinatorics constructive algorithms data structures divide and conquer dp greedy math	2700	627
2071C	Trapmigiano Reggiano constructive algorithms data structures dfs and similar dp greedy sortings trees	1700	9.9k
2070E	Game with Binary String constructive algorithms data structures divide and conquer games greedy math	2200	1.9k
2066B	White Magic constructive algorithms data structures dp greedy implementation	1900	5.6k
2063B	Subsequence Update constructive algorithms data structures greedy sortings	1100	23.6k
2055E	Haystacks brute force constructive algorithms data structures greedy sortings	2800	496
2046F1	Yandex Cuneiform (Easy Version) constructive algorithms data structures greedy	3300	142
2046F2	Yandex Cuneiform (Hard Version) constructive algorithms data structures greedy implementation	3500	110
2036E	Reverse the Rivers binary search constructive algorithms data structures greedy	1600	9.8k
2032D	Genokraken constructive algorithms data structures graphs greedy implementation interactive trees two pointers	1800	6.3k
2032E	Balanced constructive algorithms data structures greedy implementation math	2400	1.4k
2029D	Cool Graph constructive algorithms data structures dfs and similar dsu graphs greedy trees	1900	4k
2028D	Alice's Adventures in Cards constructive algorithms data structures dp graphs greedy implementation ternary search	2000	3.8k
2026C	Action Figures binary search brute force constructive algorithms data structures greedy implementation	1500	12.9k
2021C2	Adjust The Presentation (Hard Version) constructive algorithms data structures greedy implementation sortings	1900	4.6k
2001D	Longest Max Min Subsequence brute force constructive algorithms data structures greedy implementation	1900	6.6k
1997C	Even Positions constructive algorithms data structures greedy	1100	25.8k
1983D	Swap Dilemma constructive algorithms data structures divide and conquer greedy math sortings	1700	11.5k
1980E	Permutation of Rows and Columns constructive algorithms data structures greedy hashing implementation math matrices sortings	1600	13.3k
1978C	Manhattan Permutations constructive algorithms data structures greedy implementation math	1300	18k
1951F	Inversion Composition constructive algorithms data structures greedy	2500	1k
1935C	Messenger in MAC binary search brute force constructive algorithms data structures dp greedy sortings	1800	9.9k
1935F	Andrey's Tree binary search constructive algorithms data structures dfs and similar dsu greedy implementation trees	2800	634
1930C	Lexicographically Largest binary search constructive algorithms data structures greedy sortings	1700	8.2k
1923D	Slimes binary search constructive algorithms data structures greedy two pointers	1800	8.5k
1919D	01 Tree constructive algorithms data structures dsu greedy sortings trees	2100	4.6k
1918B	Minimize Inversions constructive algorithms data structures greedy implementation sortings	900	27.5k
1909C	Heavy Intervals constructive algorithms data structures dsu greedy math sortings	1400	13.4k
1904D2	Set To Max (Hard Version) constructive algorithms data structures divide and conquer greedy implementation sortings	1800	5.8k
1893D	Colorful Constructive constructive algorithms data structures greedy	2600	1.1k
1887C	Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers	2400	2.3k
1867C	Salyg1n and the MEX Game constructive algorithms data structures games greedy interactive	1300	12.8k
1864D	Matrix Cascade brute force constructive algorithms data structures dp greedy math	1700	7.7k
1862E	Kolya and Movie Theatre constructive algorithms data structures greedy	1600	13k
1852E	Rivalries constructive algorithms data structures greedy	3400	240
1846C	Rudolf and the Another Competition constructive algorithms data structures dp greedy sortings	1200	21.8k
1844F2	Min Cost Permutation (Hard Version) binary search constructive algorithms data structures greedy math sortings	2800	506
1827F	Copium Permutation constructive algorithms data structures greedy	3500	140
1779D	Boris and His Amazing Haircut constructive algorithms data structures dp dsu greedy sortings	1700	9.2k
1759G	Restore the Permutation binary search constructive algorithms data structures greedy math	1900	5.6k
1740E	Hanging Hearts constructive algorithms data structures dfs and similar dp greedy trees	1800	5.1k
1735E	House Planning constructive algorithms data structures graph matchings greedy	2400	1.3k
1720E	Misha and Paintings constructive algorithms data structures greedy implementation math	2700	1k
1712D	Empty Graph binary search constructive algorithms data structures greedy shortest paths	2000	5.2k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1702F	Equate Multisets constructive algorithms data structures greedy math number theory	1700	9.6k
1700C	Helping the Nature constructive algorithms data structures greedy	1700	12.3k
1697C	awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers	1400	15.9k
1696D	Permutation Graph binary search constructive algorithms data structures divide and conquer greedy shortest paths	1900	6.1k
1684E	MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers	2100	3.7k
1672H	Zigu Zagu constructive algorithms data structures greedy	2700	1.2k
1659D	Reverse Sort Sum constructive algorithms data structures greedy implementation math two pointers	1900	4.5k
1638D	Big Brush constructive algorithms data structures greedy implementation	2000	4.8k
1630B	Range and Partition binary search constructive algorithms data structures greedy two pointers	1800	6.5k
1619E	MEX and Increments constructive algorithms data structures dp greedy implementation math sortings	1700	10.3k
1593G	Changing Brackets constructive algorithms data structures dp greedy	2200	1.9k
1566G	Four Vertices constructive algorithms data structures graphs greedy implementation shortest paths	3100	433
1552E	Colors and Intervals constructive algorithms data structures greedy sortings	2300	2.1k
1551B2	Wonderful Coloring - 2 binary search constructive algorithms data structures greedy	1400	16.8k
1539E	Game with Cards binary search constructive algorithms data structures dp greedy implementation	2500	1.1k
1521D	Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees	2500	2.4k
1515C	Phoenix and Towers constructive algorithms data structures greedy	1400	19k
1512D	Corrupted Array constructive algorithms data structures greedy	1200	24.8k
1506D	Epic Transformation constructive algorithms data structures greedy	1400	25.9k
1503D	Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers	2600	1.3k
1494D	Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees	2300	2.9k
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
1474C	Array Destruction brute force constructive algorithms data structures greedy implementation sortings	1700	14.3k
1438B	Valerii Against Everyone constructive algorithms data structures greedy sortings	1000	30.8k
1430C	Numbers on Whiteboard constructive algorithms data structures greedy implementation math	1000	28.7k
1426D	Non-zero Segments constructive algorithms data structures greedy sortings	1500	17.8k
1406D	Three Sequences constructive algorithms data structures greedy math	2200	3.9k
1404C	Fixed Point Removal binary search constructive algorithms data structures greedy two pointers	2300	3.1k
1399D	Binary String To Subsequences constructive algorithms data structures greedy implementation	1500	20.1k
1393B	Applejack and Storages constructive algorithms data structures greedy implementation	1400	17.4k
1392F	Omkar and Landslide binary search constructive algorithms data structures greedy math	2400	2.6k
1375C	Element Extermination constructive algorithms data structures greedy	1400	23.2k
1373F	Network Coverage binary search constructive algorithms data structures greedy	2400	1.9k
1370E	Binary Subsequence Rotation binary search constructive algorithms data structures greedy	2100	5.3k
1365C	Rotation Matching constructive algorithms data structures greedy implementation	1400	25.2k
1358E	Are You Fired? constructive algorithms data structures greedy implementation	2400	2.5k
1348B	Phoenix and Beauty constructive algorithms data structures greedy sortings	1400	27.9k
1343F	Restore the Permutation by Sorted Segments brute force constructive algorithms data structures greedy implementation	2400	1.4k
1342D	Multiple Testcases binary search constructive algorithms data structures greedy sortings two pointers	1900	6.4k
1329C	Drazil Likes Heap constructive algorithms data structures greedy implementation	2400	1.8k
1286B	Numbers on Tree constructive algorithms data structures dfs and similar graphs greedy trees	1800	5.7k
1276C	Beautiful Rectangle brute force combinatorics constructive algorithms data structures greedy math	2300	1.8k
1266D	Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers	2000	3.9k

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