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2087 Beaver data structures dp greedy hashing strings two pointers Statement C Codeforces Beta Round 71 {79} PROGRAMMING Codeforces Beta Round #71 Editorial 1800
24623 Password binary search dp hashing string suffix structures strings Statement B Codeforces Beta Round 93 (Div. 1 Only) {126} PROGRAMMING Tutorial 1800
8996 Queries for Number of Palindromes dp hashing strings Statement H CROC-MBTU 2012, Elimination Round (ACM-ICPC) {245} PROGRAMMING КРОК-МВТУ 2012, Отборочный раунд (Разбор) 1900
488 Xenia and String Problem dp hashing implementation string suffix structures strings Statement E Codeforces Round 207 (Div. 1) {356} PROGRAMMING 9210 2800
2023 Fedor and Essay dfs and similar dp graphs hashing strings Statement D Codeforces Round 267 (Div. 2) {467} PROGRAMMING 2100
2428 Correcting Mistakes constructive algorithms dp greedy hashing strings two pointers Statement E VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) {533} PROGRAMMING Разбор VK Cup Round 2 1800
2741 New Year and Ancient Prophecy dp hashing strings Statement D Good Bye 2015 {611} PROGRAMMING Tutorial 1900
525 Puzzle Lover dp hashing strings Statement E Codeforces Round 339 (Div. 1) {613} PROGRAMMING Tutorial 3200
3349 Spy Syndrome 2 data structures dp hashing implementation sortings string suffix structures strings Statement C Manthan, Codefest 16 {633} PROGRAMMING Manthan, Codefest 16: Editorials 1900
1059 Liar binary search dp hashing string suffix structures Statement E Codeforces Round 422 (Div. 2) {822} PROGRAMMING Codeforces Round #422 (Div. 2) Editorial 2500
1941 String Compression dp hashing string suffix structures strings Statement F Educational Codeforces Round 25 {825} PROGRAMMING Educational Codeforces Round 25 - Editorial 2400
4648 Palindromic characteristics brute force dp hashing strings Statement D Codeforces Round 427 (Div. 2) {835} PROGRAMMING Editorial 1900
1600 Abbreviation dp hashing strings Statement F Codeforces Round 494 (Div. 3) {1003} PROGRAMMING 60417 2400
1205 Vasya and Big Integers binary search data structures dp hashing strings Statement E Educational Codeforces Round 51 (Rated for Div. 2) {1051} PROGRAMMING Educational Codeforces Round 51 Editorial 2500
1000 Morse Code binary search data structures dp hashing sortings string suffix structures strings Statement C Codeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 1) {1129} PROGRAMMING 65520 2300
13499 Spy-string bitmasks brute force constructive algorithms dp hashing strings Statement F Codeforces Round 644 (Div. 3) {1360} PROGRAMMING Codeforces Round #644 (Div. 3) Editorial 1700
446 Twilight and Ancient Scroll (easier version) dp hashing implementation string suffix structures strings Statement E1 Codeforces Round 662 (Div. 2) {1393} PROGRAMMING 1500.0 Codeforces Round #662 Editorial
17267 String Equality dp greedy hashing implementation strings Statement C Codeforces Round 685 (Div. 2) {1451} PROGRAMMING 1250.0 Editorial — Codeforces Round #685
35370 Double-ended Strings brute force dp hashing strings Statement C Codeforces Round 710 (Div. 3) {1506} PROGRAMMING Editorial
16030 Diluc and Kaeya dp hashing number theory Statement C Codeforces Round 724 (Div. 2) {1536} PROGRAMMING 1500.0 Codeforces Round #724 — Editorial 1500
16236 Erase and Extend (Easy Version) binary search brute force dp greedy hashing string suffix structures strings Statement E1 Codeforces Round 726 (Div. 2) {1537} PROGRAMMING 1250.0 Codeforces Round #726 (Div.2) Editorial
15457 Reverse String brute force dp hashing strings Statement B Harbour.Space Scholarship Contest 2021-2022 (open for everyone, rated, Div. 1 + Div. 2) {1553} PROGRAMMING 500.0 Harbour.Space Scholarship Contest 2021-2022 (Div. 1 + Div. 2) Editorial
4585 Masha-forgetful brute force constructive algorithms dp hashing implementation strings Statement E Codeforces Round 764 (Div. 3) {1624} PROGRAMMING Codeforces Round #764 (Div. 3) Editorial
3162 Preorder combinatorics divide and conquer dp dsu hashing trees Statement E Educational Codeforces Round 127 (Rated for Div. 2) {1671} PROGRAMMING 102181
2498 Cut Substrings combinatorics dp hashing strings two pointers Statement G Codeforces Round 820 (Div. 3) {1729} PROGRAMMING Codeforces Round #820 (Div. 3) Editorial
1645 Palindrome Partition binary search brute force data structures dp hashing strings Statement C Codeforces Round 873 (Div. 1) {1827} PROGRAMMING 1500.0 Codeforces Round #873 (Div. 1 & 2) Editorial 2600
12991 Torn Lucky Ticket brute force dp hashing implementation math Statement C Educational Codeforces Round 157 (Rated for Div. 2) {1895} PROGRAMMING Educational Codeforces Round 157 Editorial
5268 Division + LCP (easy version) binary search data structures dp hashing string suffix structures strings Statement G1 Codeforces Round 943 (Div. 3) {1968} PROGRAMMING 129096 1900
2494 Division + LCP (hard version) binary search brute force data structures dp hashing math string suffix structures strings Statement G2 Codeforces Round 943 (Div. 3) {1968} PROGRAMMING 129096 2200
23267 Substring and Subsequence bitmasks brute force dp graphs greedy hashing strings trees Statement B Educational Codeforces Round 167 (Rated for Div. 2) {1989} PROGRAMMING Educational Codeforces Round 167 Editorial