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Problemset

55 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2156E	Best Time to Buy and Sell Stock binary search brute force data structures dp games graphs greedy	2500	1k
2138C1	Maple and Tree Beauty (Easy Version) brute force dfs and similar dp graphs trees	1800	5.7k
2127H	23 Rises Again brute force dfs and similar dp flows graph matchings graphs greedy implementation probabilities trees	3100	1.9k
2122D	Traffic Lights brute force data structures divide and conquer dp graphs greedy shortest paths	2400	2.8k
2118D1	Red Light, Green Light (Easy version) brute force dfs and similar dp graphs implementation number theory	1700	8.6k
2118D2	Red Light, Green Light (Hard version) binary search brute force data structures dfs and similar dp graphs implementation math number theory	2200	2.6k
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2108C	Neo's Escape binary search brute force data structures dp dsu graphs greedy implementation	1500	15.1k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2075D	Equalization bitmasks brute force dp graphs math	2000	6k
2063C	Remove Exactly Two brute force data structures dfs and similar dp graphs greedy sortings trees	1600	15.1k
2057E1	Another Exercise on Graphs (Easy Version) binary search brute force dp dsu graphs shortest paths sortings	2300	2.7k
2027C	Add Zeros brute force data structures dfs and similar dp graphs greedy	1500	14.1k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2020D	Connect the Dots brute force dp dsu graphs math trees	1800	7.6k
1994G	Minecraft bitmasks brute force dp graphs math	2600	1.7k
1970G2	Min-Fund Prison (Medium) brute force dfs and similar dp graphs trees	2200	907
1948C	Arrow Path brute force constructive algorithms dfs and similar dp graphs shortest paths	1300	21.5k
1929E	Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees	2300	2.1k
1928E	Modular Sequence brute force constructive algorithms dp graphs greedy math number theory	2300	2.3k
1914G1	Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math trees	2100	2.5k
1895E	Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers	2300	1.9k
1874B	Jellyfish and Math bitmasks brute force dfs and similar dp graphs shortest paths	2400	1.4k
1863E	Speedrun brute force dfs and similar dp graphs greedy math sortings two pointers	2100	3.3k
1840F	Railguns brute force dfs and similar dp graphs	2200	2.2k
1826E	Walk the Runway bitmasks brute force data structures dp graphs implementation sortings	2400	2k
1823E	Removing Graph brute force dp games graphs math	2500	1.5k
1822F	Gardening Friends brute force dfs and similar dp graphs trees	1700	7.8k
1804E	Routing bitmasks brute force dfs and similar dp graphs	2400	1.7k
1792F2	Graph Coloring (hard version) brute force combinatorics divide and conquer dp fft graphs	2900	558
1767E	Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees	2500	1.3k
1741G	Kirill and Company bitmasks brute force dfs and similar dp flows graphs shortest paths	2200	2k
1737D	Ela and the Wiring Wizard brute force dp graphs greedy implementation shortest paths	2200	2.1k
1709F	Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees	2500	729
1704E	Count Seconds brute force constructive algorithms dp graphs implementation math	2200	2.7k
1697E	Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math	2400	1.5k
1695C	Zero Path brute force data structures dp graphs greedy shortest paths	1700	14.5k
1661B	Getting Zero bitmasks brute force dfs and similar dp graphs greedy shortest paths	1300	21.1k
1625E1	Cats on the Upgrade (easy version) brute force data structures dfs and similar divide and conquer dp graphs trees	2500	1.2k
1572A	Book binary search brute force data structures dp graphs implementation sortings	1800	10.6k
1569F	Palindromic Hamiltonian Path brute force dfs and similar dp graphs hashing	3000	493
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1540B	Tree Array brute force combinatorics dp graphs math probabilities trees	2300	3.1k
1486E	Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths	2200	3.5k
1367E	Necklace Assembly brute force dfs and similar dp graphs greedy number theory	1900	5.9k
1305G	Kuroni and Antihype bitmasks brute force dp dsu graphs	3500	1.5k
1285E	Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers	2300	2k
1244D	Paint the Tree brute force constructive algorithms dp graphs implementation trees	1800	8.4k
1200F	Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory	2300	1.2k
1155F	Delivery Oligopoly brute force dp graphs	2800	544
1149D	Abandoning Roads brute force dp graphs greedy	3000	1.1k
1102F	Elongated Matrix binary search bitmasks brute force dp graphs	2000	2.4k
1038E	Maximum Matching bitmasks brute force dfs and similar dp graphs	2400	1.1k
906C	Party bitmasks brute force dp graphs	2400	1.6k
865E	Hex Dyslexia bitmasks brute force dp graphs	3300	162

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