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Problemset

1,984 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
2148A	Sublime Sequence brute force hashing math	800	49.6k
2147E	Maximum OR Popcount binary search bitmasks brute force data structures greedy	2300	2.2k
2146A	Equal Occurrences brute force greedy implementation	800	22.5k
2146E	Yet Another MEX Problem brute force constructive algorithms data structures divide and conquer greedy hashing	2300	2.2k
2146F	Bubble Sort brute force combinatorics dp	2900	332
2144A	Cut the Array brute force constructive algorithms math number theory	800	22.3k
2144D	Price Tags brute force dp math	1800	7.4k
2144F	Bracket Groups brute force constructive algorithms dp string suffix structures strings	2700	1.1k
2143A	All Lengths Subtraction brute force two pointers	800	21.5k
2141C	Minimum on Subarrays *special brute force	1800	354
2138C1	Maple and Tree Beauty (Easy Version) brute force dfs and similar dp graphs trees	1800	5.7k
2138C2	Maple and Tree Beauty (Hard Version) bitmasks brute force dfs and similar dp fft trees	2000	3.6k
2138D	Antiamuny and Slider Movement brute force combinatorics implementation math sortings	2600	682
2138E1	Determinant Construction (Easy Version) brute force constructive algorithms math matrices number theory	3100	270
2138E2	Determinant Construction (Hard Version) brute force constructive algorithms math matrices number theory	3100	197
2137C	Maximum Even Sum brute force greedy implementation math	1100	23.7k
2137E	Mexification brute force implementation math	1500	10.7k
2135D2	From the Unknown (Hard Version) brute force constructive algorithms interactive math	2500	1.2k
2134C	Even Larger brute force greedy implementation	1200	19.5k
2133A	Redstone? brute force data structures implementation math	800	31.9k
2132A	Homework brute force implementation strings	800	45k
2131E	Adjacent XOR brute force greedy	1400	17.8k
2131G	Wafu! bitmasks brute force data structures dfs and similar dp math	2000	3.9k
2131H	Sea, You & copriMe brute force constructive algorithms graphs greedy math number theory	2600	909
2129B	Stay or Mirror brute force data structures dp greedy sortings	1600	15.1k
2129D	Permutation Blackhole brute force combinatorics dp implementation math	2600	2.5k
2128D	Sum of LDS brute force combinatorics dp greedy math	1600	12.9k
2127F	Hamed and AghaBalaSar brute force combinatorics dp math probabilities	2800	2.1k
2127H	23 Rises Again brute force dfs and similar dp flows graph matchings graphs greedy implementation probabilities trees	3100	1.9k
2126A	Only One Digit brute force implementation math	800	53.1k
2126F	1-1-1, Free Tree! brute force data structures dfs and similar graphs implementation trees	2000	4.4k
2125E	Sets of Complementary Sums brute force combinatorics dp math two pointers	2500	1.4k
2123C	Prefix Min and Suffix Max brute force data structures	1000	31.7k
2123G	Modular Sorting brute force data structures greedy math number theory sortings	2100	3.3k
2122D	Traffic Lights brute force data structures divide and conquer dp graphs greedy shortest paths	2400	2.8k
2121A	Letter Home brute force math	800	39.8k
2121F	Yamakasi binary search brute force data structures greedy two pointers	1800	8.3k
2121H	Ice Baby binary search brute force data structures dp implementation sortings	2300	2.3k
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
2117E	Lost Soul brute force greedy	1600	12.3k
2117G	Omg Graph brute force dsu graphs greedy shortest paths sortings	1900	5.4k
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2114A	Square Year binary search brute force math	800	44.1k
2114D	Come a Little Closer brute force greedy implementation math	1400	15k
2114F	Small Operations binary search brute force dfs and similar dp math number theory sortings	2000	5.6k
2114G	Build an Array brute force constructive algorithms dp greedy math number theory	2200	2.1k
2113C	Smilo and Minecraft brute force constructive algorithms greedy	1700	8.2k
2112B	Shrinking Array brute force greedy	1100	21.6k
2112C	Coloring Game binary search brute force greedy two pointers	1300	18.2k
2111B	Fibonacci Cubes brute force dp implementation math	1100	18.2k
2111C	Equal Values brute force greedy two pointers	1100	20k
2111F	Puzzle brute force constructive algorithms greedy math	2400	1.5k
2111G	Divisible Subarrays binary search bitmasks brute force data structures interactive	2900	422
2110F	Faculty brute force greedy math number theory	2400	1.9k
2108C	Neo's Escape binary search brute force data structures dp dsu graphs greedy implementation	1500	15.1k
2108D	Needle in a Numstack binary search brute force implementation interactive	2200	2.5k
2107D	Apple Tree Traversing brute force dfs and similar greedy implementation trees	2100	3.6k
2107F1	Cycling (Easy Version) binary search brute force dp greedy	2300	1.9k
2107F2	Cycling (Hard Version) binary search brute force data structures dp greedy	2800	566
2106A	Dr. TC brute force math	800	37k
2104B	Move to the End brute force data structures dp greedy implementation	1000	21.3k
2104C	Card Game brute force constructive algorithms games greedy math	1100	17.8k
2104F	Numbers and Strings binary search brute force dfs and similar dp implementation math	2600	742
2103A	Common Multiple brute force greedy implementation math	800	25.2k
2101B	Quartet Swapping brute force data structures divide and conquer greedy sortings	1800	8.1k
2101C	23 Kingdom binary search brute force data structures greedy ternary search two pointers	2200	3.8k
2098A	Vadim's Collection brute force greedy	800	14.9k
2097A	Sports Betting 2-sat brute force math sortings	1400	8.9k
2095C	Would It Be Unrated? *special binary search brute force	unrated	3.8k
2094B	Bobritto Bandito brute force constructive algorithms	800	33.8k
2094H	La Vaca Saturno Saturnita binary search brute force math number theory	1900	3.9k
2093E	Min Max MEX binary search brute force greedy	1500	13.9k
2093F	Hackers and Neural Networks bitmasks brute force greedy	1800	6k
2092B	Lady Bug brute force constructive algorithms implementation math	1000	25.3k
2092D	Mishkin Energizer brute force constructive algorithms greedy implementation strings	1800	7k
2092F	Andryusha and CCB brute force constructive algorithms greedy math number theory strings	2900	438
2091E	Interesting Ratio brute force math number theory two pointers	1300	20.2k
2091F	Igor and Mountain binary search brute force dp	1800	6.3k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2090B	Pushing Balls brute force dp implementation	1000	16.8k
2086B	Large Array and Segments binary search brute force greedy	1100	19.4k
2086D	Even String brute force combinatorics dp math strings	1700	8.6k
2086E	Zebra-like Numbers bitmasks brute force constructive algorithms dfs and similar dp greedy math	2400	1.7k
2086F	Online Palindrome brute force constructive algorithms interactive	3000	142
2084D	Arcology On Permafrost binary search brute force constructive algorithms greedy math	1600	9.1k
2082B	Floor or Ceil brute force greedy	1600	8.6k
2077D	Maximum Polygon brute force data structures greedy implementation math	3100	393
2075D	Equalization bitmasks brute force dp graphs math	2000	6k
2075F	Beautiful Sequence Returns binary search brute force data structures implementation	3000	529
2074C	XOR and Triangle bitmasks brute force geometry greedy probabilities	1100	22.4k
2074D	Counting Points brute force data structures geometry implementation two pointers	1400	12.4k
2072D	For Wizards, the Exam Is Easy, but I Couldn't Handle It brute force greedy implementation	1300	18k
2072E	Do You Love Your Hero and His Two-Hit Multi-Target Attacks? binary search brute force constructive algorithms dp geometry greedy math	1500	12.6k
2072G	I've Been Flipping Numbers for 300 Years and Calculated the Sum binary search brute force combinatorics divide and conquer math number theory	2200	2.2k
2071B	Perfecto brute force constructive algorithms greedy math	1100	21.3k
2071D1	Infinite Sequence (Easy Version) bitmasks brute force dp implementation math	1800	6.9k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2070A	FizzBuzz Remixed brute force math	800	26.7k
2070B	Robot Program brute force implementation math	1100	20k

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