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2164 e-Government data structures dfs and similar dp strings trees Statement E VK Cup 2012 Round 2 {163} PROGRAMMING VK Cup 2012 Round 2 — Разбор 2800
6814 A Lot of Games dfs and similar dp games implementation strings trees Statement B Codeforces Round 260 (Div. 1) {455} PROGRAMMING Codeforces Round #260 — Editorial 2100
2683 Work Group dfs and similar dp graphs strings trees Statement B VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) {533} PROGRAMMING 2000
1211 Ann and Half-Palindrome data structures dp graphs string suffix structures strings trees Statement E Codeforces Round 311 (Div. 2) {557} PROGRAMMING Codeforces Round #311 (Div.2) Editorial 2700
2459 Running Track dp greedy strings trees Statement C Codeforces Round 338 (Div. 2) {615} PROGRAMMING Codeforces Round #338 (Div. 2) editorial 1900
1872 Short Code data structures dp greedy strings trees Statement E Codeforces Round 476 (Div. 2) [Thanks, Telegram!] {965} PROGRAMMING Analysis of Codeforces Round #476 (Div. 2) [Thanks, Telegram!] 2500
2171 Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees Statement D Codeforces Round 482 (Div. 2) {979} PROGRAMMING 1750.0 Codeforces Round #482 (Div. 2) Editorial 2200
532 Speed Dial dp strings trees Statement F Educational Codeforces Round 55 (Rated for Div. 2) {1082} PROGRAMMING 63544 2900
410 Find String in a Grid data structures dp strings trees Statement D 2019-2020 ICPC, Asia Jakarta Regional Contest (Online Mirror, ICPC Rules, Teams Preferred) {1252} PROGRAMMING T 2900
8588 Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees Statement D Codeforces Round 613 (Div. 2) {1285} PROGRAMMING Codeforces Round #613 (Div. 2) Editorial 1800
6695 Xor-Subsequence (easy version) bitmasks brute force dp strings trees Statement D1 Codeforces Round 815 (Div. 2) {1720} PROGRAMMING 1500.0 Codeforces Round #815 (Div. 2) Editorial
2181 Xor-Subsequence (hard version) bitmasks data structures dp strings trees Statement D2 Codeforces Round 815 (Div. 2) {1720} PROGRAMMING 1000.0 Codeforces Round #815 (Div. 2) Editorial
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