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Problemset

818 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1295C	Obtain The String dp greedy strings	1600	14k
1291A	Even But Not Even greedy math strings	900	20.9k
1290B	Irreducible Anagrams binary search constructive algorithms data structures strings two pointers	1800	7.4k
1286E	Fedya the Potter Strikes Back data structures strings	3200	686
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k
1284A	New Year and Naming implementation strings	800	18.6k
1282D	Enchanted Artifact constructive algorithms interactive strings	2300	2.5k
1278A	Shuffle Hashing brute force implementation strings	1000	18.5k
1272F	Two Bracket Sequences dp strings two pointers	2200	2.4k
1270F	Awesome Substrings math strings	2600	1.4k
1268A	Long Beautiful Integer constructive algorithms greedy implementation strings	1700	9.2k
1267L	Lexicography constructive algorithms strings	1800	3.4k
1257C	Dominated Subarray greedy implementation sortings strings two pointers	1200	17.4k
1256F	Equalizing Two Strings constructive algorithms sortings strings	2000	3.7k
1252D	Find String in a Grid data structures dp strings trees	3000	496
1251A	Broken Keyboard brute force strings two pointers	1000	21.7k
1251B	Binary Palindromes greedy strings	1400	11.7k
1243B1	Character Swap (Easy Version) strings	1000	15.4k
1243B2	Character Swap (Hard Version) strings	1600	7.4k
1238D	AB-string binary search combinatorics dp strings	1900	6.5k
1231E	Middle-Out constructive algorithms greedy strings	2200	951
1223B	Strings Equalization strings	1000	16.2k
1220A	Cards implementation sortings strings	800	33.1k
1220C	Substring Game in the Lesson games greedy strings	1300	10.8k
1219C	Periodic integer number implementation strings	1700	2.5k
1216A	Prefixes strings	800	19.6k
1213F	Unstable String Sort data structures dfs and similar dsu graphs greedy implementation strings	2100	3.1k
1211F	kotlinkotlinkotlinkotlin... *special graphs implementation strings	2300	153
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
1205E	Expected Value Again combinatorics strings	3100	500
1204D1	Kirk and a Binary String (easy version) brute force greedy strings	2000	3.3k
1204D2	Kirk and a Binary String (hard version) data structures greedy math strings	2100	3.4k
1202C	You Are Given a WASD-string... brute force data structures dp greedy implementation math strings	2100	2.8k
1202D	Print a 1337-string... combinatorics constructive algorithms math strings	1900	5.5k
1202E	You Are Given Some Strings... brute force string suffix structures strings	2400	2.9k
1201A	Important Exam implementation strings	900	17.1k
1200E	Compress Words brute force hashing implementation string suffix structures strings	2000	9.7k
1194C	From S To T implementation strings	1300	14.7k
1189A	Keanu Reeves strings	800	16.2k
1187B	Letters Shop binary search implementation strings	1300	12.9k
1185B	Email from Polycarp implementation strings	1200	14.3k
1183H	Subsequences (hard version) dp strings	1900	3.7k
1182B	Plus from Picture dfs and similar implementation strings	1300	12.1k
1182C	Beautiful Lyrics data structures greedy strings	1700	4.6k
1181B	Split a Number greedy implementation strings	1500	6.7k
1178B	WOW Factor dp strings	1300	22.9k
1178E	Archaeology brute force constructive algorithms greedy strings	1900	4.5k
1170C	Minus and Minus Give Plus *special implementation strings	unrated	836
1167A	Telephone Number brute force greedy strings	800	20.4k
1163D	Mysterious Code dp strings	2100	1.7k
1158B	The minimal unique substring constructive algorithms math strings	2200	2.4k
1156B	Ugly Pairs dfs and similar greedy implementation sortings strings	1800	6.6k
1155A	Reverse a Substring implementation sortings strings	1000	27.8k
1153C	Serval and Parenthesis Sequence greedy strings	1700	7.8k
1151A	Maxim and Biology brute force strings	1000	12k
1149B	Three Religions dp implementation strings	2200	2.1k
1147B	Chladni Figure brute force strings	1900	3.1k
1146A	Love "A" implementation strings	800	23.8k
1146B	Hate "A" implementation strings	1100	9.4k
1144A	Diverse Strings implementation strings	800	22.2k
1144E	Median String bitmasks math number theory strings	1900	4.5k
1140B	Good String implementation strings	1200	11.8k
1139A	Even Substrings implementation strings	800	17.7k
1138B	Circus brute force greedy math strings	1800	4.2k
1137B	Camp Schedule greedy hashing strings	1600	7.1k
1131E	String Multiplication dp greedy strings	2300	1.3k
1129C	Morse Code binary search data structures dp hashing sortings string suffix structures strings	2400	1k
1120C	Compress String dp strings	2100	2.5k
1111A	Superhero Transformation implementation strings	1000	18.2k
1110H	Modest Substrings dp strings	3500	457
1109B	Sasha and One More Name constructive algorithms hashing strings	1800	4.6k
1107A	Digits Sequence Dividing greedy strings	900	12.8k
1105B	Zuhair and Strings brute force implementation strings	1100	10.6k
1102D	Balanced Ternary String greedy strings	1500	8.6k
1098F	Ж-function string suffix structures strings	3500	286
1097H	Mateusz and an Infinite Sequence bitmasks brute force dp strings	3400	251
1096B	Substring Removal combinatorics math strings	1300	11.9k
1093B	Letters Rearranging constructive algorithms greedy sortings strings	900	17.8k
1092C	Prefixes and Suffixes strings	1700	6.4k
1090J	Two Prefixes strings	2600	613
1085A	Right-Left Cipher implementation strings	800	12.7k
1085E	Vasya and Templates greedy implementation strings	2300	1.2k
1083B	The Fair Nut and Strings greedy strings	2000	2.3k
1082F	Speed Dial dp strings trees	2800	584
1081H	Palindromic Magic data structures hashing strings	3500	134
1080E	Sonya and Matrix Beauty strings	2400	1.4k
1076A	Minimizing the String greedy strings	1200	14.3k
1073A	Diverse Substring implementation strings	1000	17.3k
1065E	Side Transmutations combinatorics strings	2300	1.4k
1065G	Fibonacci Suffix strings	2700	594
1063A	Oh Those Palindromes constructive algorithms strings	1300	11.2k
1056E	Check Transcription brute force data structures hashing strings	2100	2.9k
1056H	Detect Robots data structures strings	3200	285
1055D	Refactoring greedy implementation strings	2400	674
1055F	Tree and XOR strings trees	2900	666
1051A	Vasya And Password greedy implementation strings	1200	8.9k
1051E	Vasya and Big Integers binary search data structures dp hashing strings	2600	1.3k
1045I	Palindrome Pairs hashing strings	1600	5.6k
1045J	Moonwalk challenge data structures strings trees	2600	236

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