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10698 Bear and Prime Numbers binary search brute force data structures dp implementation math number theory Statement C Codeforces Round 226 (Div. 2) {385} PROGRAMMING Codeforces Round #226 (Div. 2) — Editorial 1800
3173 New Year and Fireworks brute force data structures dfs and similar dp implementation Statement D Good Bye 2016 {750} PROGRAMMING Good Bye 2016 — hints and codes 1900
717 Dasha and Photos brute force data structures dp implementation Statement F Codeforces Round 394 (Div. 2) {761} PROGRAMMING Codeforces Round #394 (Div. 2) [Editorial] 2900
4413 White Lines brute force data structures dp implementation two pointers Statement D Codeforces Round 578 (Div. 2) {1200} PROGRAMMING Codeforces Round #578 (Div. 2) Editorial 1900
1181 Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory Statement F Codeforces Round 578 (Div. 2) {1200} PROGRAMMING Codeforces Round #578 (Div. 2) Editorial 2500
2793 You Are Given a WASD-string... brute force data structures dp greedy implementation math strings Statement C Educational Codeforces Round 70 (Rated for Div. 2) {1202} PROGRAMMING 68972 2100
4727 Searchlights binary search brute force data structures dp geometry implementation sortings Statement D Grakn Forces 2020 {1408} PROGRAMMING 2000.0 Grakn Forces -- Editorial
8444 Pekora and Trampoline brute force data structures dp graphs greedy implementation Statement C Codeforces Global Round 13 {1491} PROGRAMMING 1000.0 Codeforces Global Round 13 Editorial
13638 Counting Rectangles brute force data structures dp implementation Statement E Codeforces Round 817 (Div. 4) {1722} PROGRAMMING 106478 1600
13245 Zero-Sum Prefixes brute force data structures dp greedy implementation Statement C Codeforces Round 833 (Div. 2) {1748} PROGRAMMING 1500.0 Codeforces Round #833 (Div. 2) Editorial 1600
1660 Rebrending brute force data structures dp implementation Statement F Codeforces Round 852 (Div. 2) {1793} PROGRAMMING 3250.0 Codeforces Round #852 Editorial
4698 Li Hua and Tree brute force data structures dfs and similar dp implementation trees Statement D Codeforces Round 864 (Div. 2) {1797} PROGRAMMING 1750.0 Codeforces Round 864 (Div. 2) Editorial
1995 Walk the Runway bitmasks brute force data structures dp graphs implementation sortings Statement E Codeforces Round 870 (Div. 2) {1826} PROGRAMMING 2500.0 Codeforces Round #870 (Div. 2) Editorial 2400
9155 Rating System brute force data structures dp greedy implementation math Statement D Educational Codeforces Round 151 (Rated for Div. 2) {1845} PROGRAMMING 117791
2710 Happy Life in University brute force data structures dfs and similar dp implementation trees Statement E Good Bye 2023 {1916} PROGRAMMING 2000.0
1959 Digital Village (Easy Version) brute force data structures dp dsu graphs greedy implementation math shortest paths trees Statement E1 Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} PROGRAMMING 1750.0 Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial
8022 Attribute Checks brute force data structures dp implementation math Statement D Educational Codeforces Round 170 (Rated for Div. 2) {2025} PROGRAMMING Educational Codeforces Round 170 Editorial
5900 Yet Another Real Number Problem binary search brute force data structures dp greedy implementation math two pointers Statement D Codeforces Global Round 27 {2035} PROGRAMMING 1500.0 Codeforces Global Round 27 Editorial
2297 Kevin and Binary String (Easy Version) binary search brute force data structures dp greedy implementation strings two pointers Statement F1 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 2000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial
2310 Ice Baby binary search brute force data structures dp implementation sortings Statement H Codeforces Round 1032 (Div. 3) {2121} PROGRAMMING Codeforces Round 1032 (Div. 3) Editorial
1603 23 Rises Again brute force data structures dfs and similar dp flows graphs implementation probabilities trees Statement H Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) {2127} PROGRAMMING 4000.0 Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2) Editorial