Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
17:43:36
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Before contest
Codeforces Round 941 (Div. 2)
17:43:36
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Difficulty: —

strings

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Problems

#	Name
1194C	From S To T implementation, strings	1300	x12766
1076A	Minimizing the String greedy, strings	1200	x12824
1185B	Email from Polycarp implementation, strings	1200	x12861
1551C	Interesting Story greedy, sortings, strings	1500	x12862
1812A	Are You a Robot? special problem, special problem, *special problem, expression parsing, strings		x13036
1896B	AB Flipping greedy, strings, two pointers	900	x13276
1845C	Strong Password binary search, dp, greedy, strings	1400	x13278
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x13286
1553D	Backspace dp, greedy, strings, two pointers	1500	x13290
1155A	Reverse a Substring implementation, sortings, strings	1000	x13417
1821C	Tear It Apart brute force, implementation, math, strings	1300	x13537
701C	They Are Everywhere binary search, strings, two pointers	1500	x13649
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x13791
1178B	WOW Factor dp, strings	1300	x13805
525A	Vitaliy and Pie greedy, hashing, strings	1100	x13831
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x13913
831B	Keyboard Layouts implementation, strings	800	x14051
1348C	Phoenix and Distribution constructive algorithms, greedy, sortings, strings	1600	x14171
1748B	Diverse Substrings brute force, implementation, strings	1400	x14183
1673B	A Perfectly Balanced String? brute force, greedy, strings	1100	x14228
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x14263
1038A	Equality implementation, strings	800	x14403
1223B	Strings Equalization strings	1000	x14427
1243B1	Character Swap (Easy Version) strings	1000	x14550
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14718
1008A	Romaji implementation, strings	900	x14722
1404A	Balanced Bitstring implementation, strings	1500	x14739
1073A	Diverse Substring implementation, strings	1000	x14849
1189A	Keanu Reeves strings	800	x14941
1898A	Milica and String brute force, implementation, strings	800	x14976
1691C	Sum of Substrings brute force, constructive algorithms, greedy, math, strings	1400	x15055
1201A	Important Exam implementation, strings	900	x15158
1451C	String Equality dp, greedy, hashing, implementation, strings	1400	x15190
1654B	Prefix Removals strings	800	x15465
1027A	Palindromic Twist implementation, strings	1000	x15518
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x15539
501B	Misha and Changing Handles data structures, dsu, strings	1100	x15566
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x15572
706C	Hard problem dp, strings	1600	x15588
918B	Radio Station implementation, strings	900	x15624
448B	Suffix Structures implementation, strings	1400	x15629
43B	Letter implementation, strings	1100	x15631
1278A	Shuffle Hashing brute force, implementation, strings	1000	x15680
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x15744
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x15746
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x15831
1796B	Asterisk-Minor Template implementation, strings	1000	x15988
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16055
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16080
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16094
186A	Comparing Strings implementation, strings	1100	x16191
1624D	Palindromes Coloring binary search, greedy, sortings, strings	1400	x16197
1605C	Dominant Character brute force, greedy, implementation, strings	1400	x16285
1820A	Yura's New Name implementation, strings	800	x16331
1139A	Even Substrings implementation, strings	800	x16450
1794A	Prefix and Suffix Array strings	800	x16532
1111A	Superhero Transformation implementation, strings	1000	x16560
1669E	2-Letter Strings data structures, math, strings	1200	x16813
672B	Different is Good constructive algorithms, implementation, strings	1000	x17041
1466C	Canine poetry dp, greedy, strings	1300	x17286
1304B	Longest Palindrome brute force, constructive algorithms, greedy, implementation, strings	1100	x17425
1560D	Make a Power of Two greedy, math, strings	1300	x17613
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x17666
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x17685
1284A	New Year and Naming implementation, strings	800	x17764
988B	Substrings Sort sortings, strings	1100	x17810
1594C	Make Them Equal brute force, greedy, math, strings	1200	x17830
676C	Vasya and String binary search, dp, strings, two pointers	1500	x17999
1894A	Secret Sport implementation, strings	800	x18028
1805B	The String Has a Target greedy, strings	800	x18151
1673A	Subtle Substring Subtraction games, greedy, strings	800	x18207
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x18236
1037C	Equalize dp, greedy, strings	1300	x18280
1216A	Prefixes strings	800	x18335
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x18364
1796A	Typical Interview Problem brute force, implementation, strings	800	x18530
1144A	Diverse Strings implementation, strings	800	x18683
1660C	Get an Even String dp, greedy, strings	1300	x18701
1167A	Telephone Number brute force, greedy, strings	800	x18742
1251A	Broken Keyboard brute force, strings, two pointers	1000	x18774
1451B	Non-Substring Subsequence dp, greedy, implementation, strings	900	x18981
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x18991
1682A	Palindromic Indices greedy, strings	800	x18998
1291A	Even But Not Even greedy, math, strings	900	x19002
1301A	Three Strings implementation, strings	800	x19044
1616B	Mirror in the String greedy, strings	1100	x19061
1917B	Erase First or Second Letter brute force, combinatorics, data structures, dp, strings	1100	x19219
1825A	LuoTianyi and the Palindrome String greedy, strings	800	x19247
1729C	Jumping on Tiles constructive algorithms, strings	1100	x19361
1512C	A-B Palindrome constructive algorithms, implementation, strings	1200	x19424
1428C	ABBB brute force, data structures, greedy, strings	1100	x19612
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x19825
855A	Tom Riddle's Diary brute force, implementation, strings	800	x20049
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x20242
1860A	Not a Substring constructive algorithms, strings	900	x20726
798A	Mike and palindrome brute force, constructive algorithms, strings	1000	x21023
1504A	Déjà Vu constructive algorithms, strings	800	x21383
1146A	Love "A" implementation, strings	800	x21389
1913B	Swap and Delete strings	1000	x21431
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x21528