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Problemset

64 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2236G	Criterion in Burlandia binary search bitmasks brute force data structures dfs and similar divide and conquer implementation trees two pointers	2600	385
2234E	Vlad, Misha and Two Arrays brute force combinatorics dfs and similar divide and conquer math	2100	1.9k
2222G	Statistics on Tree binary search brute force dfs and similar divide and conquer graphs trees	3100	215
2173F	Isla's Memory Thresholds binary search brute force data structures divide and conquer math	2600	623
2163D1	Diadrash (Easy Version) binary search brute force divide and conquer implementation interactive	2100	2.8k
2157F	Git Gud brute force constructive algorithms divide and conquer math ternary search	2400	1.5k
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2149G	Buratsuta 3 binary search brute force data structures divide and conquer probabilities	2100	2.8k
2146E	Yet Another MEX Problem brute force constructive algorithms data structures divide and conquer greedy hashing	2300	2.2k
2122D	Traffic Lights brute force data structures divide and conquer dp graphs greedy shortest paths	2400	2.8k
2101B	Quartet Swapping brute force data structures divide and conquer greedy sortings	1800	8.1k
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
2056D	Unique Median binary search brute force combinatorics data structures divide and conquer dp	2200	3.7k
2048F	Kevin and Math Class brute force data structures divide and conquer dp implementation math trees	2500	1.3k
2042E	Vertex Pairs binary search brute force data structures dfs and similar divide and conquer greedy implementation trees	2900	535
2005D	Alter the GCD binary search brute force data structures divide and conquer implementation number theory	2400	1.3k
2003E1	Turtle and Inversions (Easy Version) brute force divide and conquer dp greedy math	2600	902
2003E2	Turtle and Inversions (Hard Version) brute force data structures divide and conquer dp greedy math two pointers	2700	654
2001C	Guess The Tree binary search brute force dfs and similar divide and conquer dsu greedy interactive trees	1500	13.1k
1998E1	Eliminating Balls With Merging (Easy Version) binary search brute force data structures divide and conquer greedy	2200	2.3k
1998E2	Eliminating Balls With Merging (Hard Version) binary search brute force data structures divide and conquer greedy implementation	2500	927
1997E	Level Up binary search brute force data structures divide and conquer implementation	2200	3.9k
1990F	Polygonal Segments brute force data structures divide and conquer dp greedy two pointers	2800	464
1988E	Range Minimum Sum binary search brute force data structures divide and conquer implementation	2300	1.9k
1982E	Number of k-good subarrays bitmasks brute force combinatorics divide and conquer dp math meet-in-the-middle	2300	1.9k
1975F	Set bitmasks brute force combinatorics dfs and similar divide and conquer dp math	2600	1.1k
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
1921G	Mischievous Shooter brute force data structures divide and conquer dp implementation	2200	1.5k
1905F	Field Should Not Be Empty brute force data structures divide and conquer	2600	796
1898F	Vova Escapes the Matrix brute force dfs and similar divide and conquer shortest paths	2600	1k
1896H1	Cyclic Hamming (Easy Version) brute force divide and conquer dp fft math number theory	3400	181
1817E	Half-sum brute force divide and conquer greedy	3400	350
1814F	Communication Towers brute force divide and conquer dsu	2700	1k
1793F	Rebrending brute force data structures divide and conquer implementation	2600	1.7k
1792F2	Graph Coloring (hard version) brute force combinatorics divide and conquer dp fft graphs	2900	558
1790F	Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees	2100	4.2k
1766E	Decomposition binary search brute force data structures divide and conquer dp two pointers	2300	1.5k
1693D	Decinc Dividing brute force data structures divide and conquer dp greedy	2800	1.2k
1665E	MinimizOR bitmasks brute force data structures divide and conquer greedy implementation two pointers	2500	1.9k
1625E1	Cats on the Upgrade (easy version) brute force data structures dfs and similar divide and conquer dp graphs trees	2500	1.2k
1619H	Permutation and Queries brute force data structures divide and conquer two pointers	2400	1.5k
1580D	Subsequence brute force divide and conquer dp greedy trees	2900	1.2k
1547F	Array Stabilization (GCD version) binary search brute force data structures divide and conquer number theory two pointers	1900	7.2k
1491E	Fib-tree brute force dfs and similar divide and conquer number theory trees	2400	2.4k
1461D	Divide and Summarize binary search brute force data structures divide and conquer implementation sortings	1600	10.4k
1438E	Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers	2500	1.5k
1385D	a-Good String bitmasks brute force divide and conquer dp implementation	1500	22.3k
1338C	Perfect Triples bitmasks brute force constructive algorithms divide and conquer math	2200	3.5k
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k
1268D	Invertation in Tournament brute force divide and conquer graphs math	3200	820
1181E1	A Story of One Country (Easy) brute force divide and conquer sortings	2500	663
1175F	The Number of Subpermutations brute force data structures divide and conquer hashing math	2500	2.8k
1167B	Lost Numbers brute force divide and conquer interactive math	1400	17.3k
1155D	Beautiful Array brute force data structures divide and conquer dp greedy	1900	7.9k
1111C	Creative Snap binary search brute force divide and conquer math	1700	7.2k
865F	Egg Roulette bitmasks brute force divide and conquer math meet-in-the-middle	3300	81
850E	Random Elections bitmasks brute force divide and conquer fft math	2800	570
685E	Travelling Through the Snow Queen's Kingdom bitmasks brute force divide and conquer graphs	2800	659
662C	Binary Table bitmasks brute force divide and conquer dp fft math	2600	2.6k
632F	Magic Matrix brute force divide and conquer graphs matrices trees	2400	1.3k
440C	One-Based Arithmetic brute force dfs and similar divide and conquer	1800	1.2k
372B	Counting Rectangles is Fun brute force divide and conquer dp	1900	2.9k
343E	Pumping Stations brute force dfs and similar divide and conquer flows graphs greedy trees	2900	960

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