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Problemset

320 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1882E1	Two Permutations (Easy Version) brute force constructive algorithms greedy number theory	2400	1.3k
1879E	Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees	2400	1.6k
1867D	Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	1800	6.9k
1867F	Most Different Tree brute force constructive algorithms dfs and similar greedy hashing	2700	554
1864D	Matrix Cascade brute force constructive algorithms data structures dp greedy math	1700	7.7k
1854E	Game Bundles brute force constructive algorithms dp greedy math	3000	575
1851A	Escalator Conversations brute force constructive algorithms math	800	31.7k
1844F1	Min Cost Permutation (Easy Version) brute force constructive algorithms greedy math	2600	937
1835C	Twin Clusters bitmasks brute force constructive algorithms math probabilities	2600	1.2k
1833D	Flipper brute force constructive algorithms greedy	1400	15.3k
1817B	Fish Graph brute force constructive algorithms dfs and similar graphs	1900	5.2k
1815B	Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees	2000	3.7k
1806C	Sequence Master brute force constructive algorithms math	1600	8.8k
1800E1	Unforgivable Curse (easy version) brute force constructive algorithms dsu graphs greedy strings	1400	15.9k
1800E2	Unforgivable Curse (hard version) brute force constructive algorithms dfs and similar dsu graphs greedy strings	1500	15.6k
1799B	Equalize by Divide brute force constructive algorithms greedy math	1200	12.9k
1789D	Serval and Shift-Shift-Shift bitmasks brute force constructive algorithms implementation	2200	2k
1781C	Equal Frequencies brute force constructive algorithms greedy implementation sortings strings	1600	11k
1775A1	Gardener and the Capybaras (easy version) brute force constructive algorithms implementation	800	20.5k
1774D	Same Count One brute force constructive algorithms greedy implementation two pointers	1600	9.4k
1774G	Segment Covering brute force combinatorics constructive algorithms data structures dp trees	3200	692
1764F	Doremy's Experimental Tree brute force constructive algorithms dfs and similar dsu sortings trees	2500	1.3k
1763C	Another Array Problem brute force constructive algorithms greedy	2000	8k
1761A	Two Permutations brute force constructive algorithms	800	40.1k
1761E	Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers	2400	2.2k
1758D	Range = √Sum binary search brute force constructive algorithms math two pointers	1800	8.6k
1732A	Bestie brute force combinatorics constructive algorithms implementation math number theory	1000	17.8k
1726D	Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees	2000	4.3k
1721F	Matching Reduction brute force constructive algorithms dfs and similar flows graph matchings graphs interactive	2800	641
1710C	XOR Triangle bitmasks brute force constructive algorithms dp greedy math	2500	1.7k
1706D1	Chopping Carrots (Easy Version) binary search brute force constructive algorithms greedy number theory	1700	7.8k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1704E	Count Seconds brute force constructive algorithms dp graphs implementation math	2200	2.7k
1700E	Serega the Pirate brute force constructive algorithms	2600	1k
1697E	Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math	2400	1.5k
1696F	Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees	2600	1.2k
1695D1	Tree Queries (Easy Version) brute force constructive algorithms dfs and similar dp greedy trees	2200	2.5k
1691C	Sum of Substrings brute force constructive algorithms greedy math strings	1400	17.4k
1689E	ANDfinity bitmasks brute force constructive algorithms dfs and similar dsu graphs	2500	1.4k
1685C	Bring Balance brute force constructive algorithms greedy	2600	1.4k
1684C	Column Swapping brute force constructive algorithms greedy implementation sortings	1400	13.3k
1684E	MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers	2100	3.7k
1674E	Breaking the Wall binary search brute force constructive algorithms greedy math	2000	7.8k
1671D	Insert a Progression brute force constructive algorithms greedy	1600	8.5k
1666C	Connect the Points brute force constructive algorithms geometry	1800	3.8k
1666I	Interactive Treasure Hunt brute force constructive algorithms geometry interactive math	2200	1.8k
1660E	Matrix and Shifts brute force constructive algorithms greedy implementation	1600	8.2k
1659E	AND-MEX Walk bitmasks brute force constructive algorithms dfs and similar dsu graphs	2200	2k
1658F	Juju and Binary String brute force constructive algorithms greedy math	2700	1k
1651E	Sum of Matchings brute force combinatorics constructive algorithms dfs and similar graph matchings greedy math	2600	670
1650D	Twist the Permutation brute force constructive algorithms implementation math	1300	15.3k
1648B	Integral Array brute force constructive algorithms data structures math	1800	7.4k
1647B	Madoka and the Elegant Gift brute force constructive algorithms graphs implementation	1200	17.2k
1646B	Quality vs Quantity brute force constructive algorithms greedy sortings two pointers	800	22.9k
1646C	Factorials and Powers of Two bitmasks brute force constructive algorithms dp math	1500	20.5k
1644B	Anti-Fibonacci Permutation brute force constructive algorithms implementation	800	21.4k
1624E	Masha-forgetful brute force constructive algorithms dp hashing implementation strings	2000	4.7k
1620D	Exact Change brute force constructive algorithms greedy	2000	4.9k
1619F	Let's Play the Hat? brute force constructive algorithms greedy math	2000	2.4k
1617B	GCD Problem brute force constructive algorithms math number theory	900	27.2k
1614A	Divan and a Store brute force constructive algorithms greedy	800	24.7k
1612A	Distance brute force constructive algorithms	800	18.3k
1606D	Red-Blue Matrix brute force constructive algorithms implementation sortings	2400	1.6k
1580E	Railway Construction brute force constructive algorithms data structures graphs shortest paths	3400	126
1572B	Xor of 3 brute force constructive algorithms greedy two pointers	2500	2k
1571D	Sweepstake *special brute force constructive algorithms implementation math	1800	373
1562B	Scenes From a Memory brute force constructive algorithms implementation math number theory	1000	20.7k
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
1559D1	Mocha and Diana (Easy Version) brute force constructive algorithms dsu graphs greedy trees	1400	16.5k
1559D2	Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers	2500	3.2k
1557E	Assiut Chess brute force constructive algorithms interactive	2800	774
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
1553E	Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math	2100	3.8k
1553G	Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory	2700	1.3k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1545C	AquaMoon and Permutations 2-sat brute force combinatorics constructive algorithms graph matchings graphs	2800	797
1543D2	RPD and Rap Sheet (Hard Version) brute force constructive algorithms interactive math	2200	2.2k
1536A	Omkar and Bad Story brute force constructive algorithms	800	20.8k
1536B	Prinzessin der Verurteilung brute force constructive algorithms strings	1200	26.2k
1526D	Kill Anton brute force constructive algorithms data structures math strings	2200	2.8k
1513F	Swapping Problem brute force constructive algorithms data structures sortings	2500	1.5k
1511D	Min Cost String brute force constructive algorithms graphs greedy strings	1600	12.6k
1508E	Tree Calendar brute force constructive algorithms data structures dfs and similar sortings trees	3100	454
1500C	Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers	2600	983
1496A	Split it! brute force constructive algorithms greedy strings	900	22.4k
1494F	Delete The Edges brute force constructive algorithms dfs and similar graphs implementation	2900	531
1493C	K-beautiful Strings binary search brute force constructive algorithms greedy strings	2000	5k
1492E	Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation	2500	1.3k
1490B	Balanced Remainders brute force constructive algorithms math	1000	28.1k
1487C	Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math	1500	15.6k
1486E	Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths	2200	3.5k
1482C	Basic Diplomacy brute force constructive algorithms greedy implementation	1600	10.1k
1481C	Fence Painting brute force constructive algorithms greedy	1600	12.5k
1481D	AB Graph brute force constructive algorithms graphs greedy implementation	2000	4.9k
1475F	Unusual Matrix 2-sat brute force constructive algorithms	1900	6k
1474C	Array Destruction brute force constructive algorithms data structures greedy implementation sortings	1700	14.3k
1470C	Strange Shuffle binary search brute force constructive algorithms interactive	2500	1.5k
1469D	Ceil Divisions brute force constructive algorithms math number theory	1700	10.3k

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