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Problemset

58 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2241E	Fair and Square combinatorics dp graphs math number theory trees	1600	5.8k
2233F	Shortest GCD Paths dp graphs math number theory shortest paths	2800	385
2225G	Simple Problem brute force graphs greedy number theory	2900	269
2179F	Blackslex and Another RGB Walking communication constructive algorithms graphs interactive number theory trees	2000	2.9k
2178H	Create or Duplicate bitmasks graphs number theory shortest paths	3300	333
2158F1	Distinct GCDs (Easy Version) constructive algorithms graphs math number theory	2600	450
2158F2	Distinct GCDs (Hard Version) combinatorics constructive algorithms graphs math number theory	3000	287
2145F	Long Journey dfs and similar divide and conquer dp graphs greedy math matrices number theory	2500	1.1k
2131H	Sea, You & copriMe brute force constructive algorithms graphs greedy math number theory	2600	909
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
2112E	Tree Colorings combinatorics dfs and similar dp graphs math number theory trees	2200	3.5k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2081D	MST in Modulo Graph constructive algorithms dsu graphs greedy math number theory sortings trees	2600	1.2k
2077G	RGB Walking bitmasks chinese remainder theorem dfs and similar graphs number theory	3500	142
1994D	Funny Game constructive algorithms dsu graphs greedy math number theory trees	1900	7.7k
1991D	Prime XOR Coloring bitmasks constructive algorithms graphs greedy math number theory	1900	8k
1981D	Turtle and Multiplication constructive algorithms dfs and similar graphs number theory	2400	2.2k
1978F	Large Graph data structures dfs and similar dsu graphs number theory two pointers	2400	1.6k
1932G	Moving Platforms graphs math number theory shortest paths	2300	1.4k
1928E	Modular Sequence brute force constructive algorithms dp graphs greedy math number theory	2300	2.3k
1835D	Doctor's Brown Hypothesis dfs and similar graphs math number theory	2900	707
1778F	Maximizing Root dfs and similar dp graphs math number theory trees	2600	964
1775D	Friendly Spiders dfs and similar graphs math number theory shortest paths	1800	8.9k
1763E	Node Pairs dp graphs math number theory	2200	2.3k
1740I	Arranging Crystal Balls data structures divide and conquer dp geometry graphs number theory	3500	182
1690F	Shifting String graphs math number theory strings	1700	9.2k
1630F	Making It Bipartite flows graph matchings graphs number theory	3400	984
1617E	Christmas Chocolates dfs and similar dp games graphs implementation math number theory shortest paths trees	2700	1.1k
1608D	Dominoes combinatorics fft graphs math number theory	2400	1.6k
1579F	Array Stabilization (AND version) brute force graphs math number theory shortest paths	1700	5.4k
1553G	Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory	2700	1.3k
1516D	Cut binary search data structures dp graphs number theory two pointers	2100	5.3k
1515G	Phoenix and Odometers dfs and similar graphs math number theory	2700	1.4k
1513D	GCD and MST constructive algorithms dsu graphs greedy number theory sortings	2000	6.7k
1497D	Genius bitmasks dp graphs number theory	2500	1.8k
1485D	Multiples and Power Differences constructive algorithms graphs math number theory	2200	5.7k
1470B	Strange Definition bitmasks graphs hashing math number theory	1900	6.8k
1367E	Necklace Assembly brute force dfs and similar dp graphs greedy number theory	1900	5.9k
1334E	Divisor Paths combinatorics graphs greedy math number theory	2200	3.2k
1327D	Infinite Path brute force dfs and similar graphs math number theory	2200	3.6k
1325E	Ehab's REAL Number Theory Problem brute force dfs and similar graphs number theory shortest paths	2600	2.4k
1322C	Instant Noodles graphs hashing math number theory	2300	2.8k
1292D	Chaotic V. dp graphs greedy math number theory trees	2700	1.1k
1200F	Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory	2300	1.2k
1176D	Recover it! dfs and similar graphs greedy number theory sortings	1800	5.9k
1148G	Gold Experience constructive algorithms graphs math number theory probabilities	3300	615
1070A	Find a Number dp graphs number theory shortest paths	2200	2.7k
995E	Number Clicker divide and conquer graphs meet-in-the-middle number theory	2700	977
986A	Fair graphs greedy number theory shortest paths	1600	8.6k
986F	Oppa Funcan Style Remastered graphs math number theory shortest paths	3300	855
842C	Ilya And The Tree dfs and similar graphs math number theory trees	2000	3.8k
804F	Fake bullions combinatorics dfs and similar dp graphs number theory	3400	221
772C	Vulnerable Kerbals constructive algorithms dp graphs math number theory	2300	1.5k
755A	PolandBall and Hypothesis brute force graphs math number theory	800	20.1k
724G	Xor-matic Number of the Graph bitmasks graphs math number theory trees	2600	1.6k
303C	Minimum Modular brute force graphs math number theory	2400	988
74C	Chessboard Billiard dfs and similar dsu graphs number theory	2100	1.4k

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