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Problemset

48 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2226G	Stop Spot implementation strings trees	3000	192
2210D	A Simple RBS Problem constructive algorithms math strings trees	2100	2.3k
2200H	Six Seven divide and conquer math number theory strings trees	2600	528
2093G	Shorten the Array binary search bitmasks data structures dfs and similar greedy strings trees two pointers	1900	4k
2041I	Auto Complete binary search data structures hashing implementation sortings strings trees	2300	688
1980G	Yasya and the Mysterious Tree bitmasks data structures dfs and similar graphs greedy strings trees	2300	1.8k
1902E	Collapsing Strings data structures strings trees	1900	5.9k
1864E	Guess Game bitmasks data structures games math probabilities sortings strings trees	2100	3.1k
1861C	Queries for the Array data structures dfs and similar implementation strings trees	1600	12.5k
1851F	Lisa and the Martians bitmasks greedy math strings trees	1800	7.8k
1777F	Comfortably Numb bitmasks data structures divide and conquer strings trees	2400	1.5k
1771D	Hossam and (sub-)palindromic tree brute force data structures dfs and similar dp strings trees	2100	3.3k
1771F	Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees	2500	1.7k
1721E	Prefix Function Queries dfs and similar dp hashing string suffix structures strings trees	2200	2.7k
1720D1	Xor-Subsequence (easy version) bitmasks brute force dp strings trees two pointers	1800	6.8k
1720D2	Xor-Subsequence (hard version) bitmasks data structures dp strings trees	2400	2.3k
1623E	Middle Duplication data structures dfs and similar greedy strings trees	2500	1.3k
1608G	Alphabetic Tree binary search data structures dfs and similar hashing string suffix structures strings trees	3500	300
1437G	Death DBMS data structures string suffix structures strings trees	2600	1.3k
1416C	XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees	2000	5.2k
1383A	String Transformation 1 dsu graphs greedy sortings strings trees two pointers	1700	11.4k
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k
1252D	Find String in a Grid data structures dp strings trees	3000	496
1209F	Koala and Notebook data structures dfs and similar graphs shortest paths strings trees	2600	1.4k
1207G	Indie Album data structures dfs and similar hashing string suffix structures strings trees	2700	1.3k
1082F	Speed Dial dp strings trees	2800	584
1055F	Tree and XOR strings trees	2900	665
1045J	Moonwalk challenge data structures strings trees	2600	236
979D	Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees	2200	2.3k
965E	Short Code data structures dp greedy strings trees	2200	2k
928D	Autocompletion *special strings trees	1900	834
923C	Perfect Security data structures greedy strings trees	1800	4.8k
917E	Upside Down data structures string suffix structures strings trees	3400	195
856B	Similar Words dp hashing strings trees	2300	653
786D	Rap God data structures dfs and similar hashing strings trees	3400	174
778C	Peterson Polyglot brute force dfs and similar dsu hashing strings trees	2500	1k
754E	Dasha and cyclic table bitmasks brute force fft strings trees	2600	601
722D	Generating Sets binary search data structures dfs and similar greedy strings trees	1900	3.4k
665E	Beautiful Subarrays data structures divide and conquer strings trees	2100	4.7k
620F	Xors on Segments data structures strings trees	2800	910
615C	Running Track dp greedy strings trees	2000	2.5k
601D	Acyclic Organic Compounds data structures dfs and similar dsu hashing strings trees	2400	1.3k
566A	Matching Names dfs and similar strings trees	2300	1.1k
557E	Ann and Half-Palindrome data structures dp graphs string suffix structures strings trees	2300	1.3k
547E	Mike and Friends data structures string suffix structures strings trees	2800	2.7k
533B	Work Group dfs and similar dp graphs strings trees	2000	2.7k
455B	A Lot of Games dfs and similar dp games implementation strings trees	1900	7.1k
163E	e-Government data structures dfs and similar dp strings trees	2800	2.3k

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