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5195 Missile Silos data structures dfs and similar graphs shortest paths Statement D Codeforces Round 103 (Div. 2) {144} PROGRAMMING Codeforces Round #103 (Div. 2) Разбор Задач. 1900
77 Gnomes of Might and Magic data structures graphs implementation shortest paths Statement F Codeforces Round 115 {175} PROGRAMMING Codeforces Round #115 — editorial A-E 3000
5917 Planets binary search data structures graphs shortest paths Statement B Codeforces Round 142 (Div. 1) {229} PROGRAMMING Codeforces Round #142 Problem Analysis 1900
2925 Text Editor data structures dfs and similar graphs greedy shortest paths Statement C Codeforces Round 154 (Div. 2) {253} PROGRAMMING Codeforces Round #154 (Div. 2) — tutorial 1600
578 Fetch the Treasure brute force data structures graphs shortest paths Statement C Codeforces Round 185 (Div. 1) {311} PROGRAMMING Codeforces Round #185 Editorial 2600
1929 The Classic Problem data structures graphs shortest paths Statement E Codeforces Round 265 (Div. 1) {464} PROGRAMMING Codeforces Round #265 Editorial 2900
2286 Arthur and Walls constructive algorithms data structures graphs greedy shortest paths Statement D Codeforces Round 297 (Div. 2) {525} PROGRAMMING Codeforces Round #297 (Div.2) Editorial 2300
2059 Vanya and Treasure data structures dp graphs shortest paths Statement D Codeforces Round 355 (Div. 2) {677} PROGRAMMING Codeforces Round #355 (Div. 2) Editorial 2300
1520 Team Rocket Rises Again data structures graphs shortest paths Statement F Codecraft-17 and Codeforces Round 391 (Div. 1 + Div. 2, combined) {757} PROGRAMMING CodeCraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined) Editorial 2700
674 Timofey and a flat tree data structures graphs hashing shortest paths trees Statement D Codeforces Round 395 (Div. 1) {763} PROGRAMMING Codeforces Round #395 [Editorial] 2800
8287 Legacy data structures graphs shortest paths Statement B Codeforces Round 406 (Div. 1) {786} PROGRAMMING Codeforces Round #406 Editorial 2600
589 Dirty Arkady's Kitchen data structures dp graphs shortest paths Statement F Codeforces Round 423 (Div. 1, rated, based on VK Cup Finals) {827} PROGRAMMING Codeforces Round #423 Analysis 3100
5230 Olya and Energy Drinks data structures dfs and similar graphs shortest paths Statement D Codeforces Round 442 (Div. 2) {877} PROGRAMMING 55362 1900
2181 Fishes data structures graphs greedy probabilities shortest paths Statement D Codeforces Round 456 (Div. 2) {912} PROGRAMMING Codeforces Round #456 (Div. 2) Editorial 2100
7294 Buy a Ticket data structures graphs shortest paths Statement D Educational Codeforces Round 38 (Rated for Div. 2) {938} PROGRAMMING Educational Codeforces Round 38 — Editorial 2000
20566 Lunar New Year and a Wander data structures dfs and similar graphs greedy shortest paths Statement D Codeforces Round 536 (Div. 2) {1106} PROGRAMMING Tutorial 1500
1381 Indecisive Taxi Fee data structures graphs shortest paths Statement F Codeforces Round 558 (Div. 2) {1163} PROGRAMMING 66943 2900
1396 Koala and Notebook data structures dfs and similar graphs shortest paths strings trees Statement F Codeforces Round 584 - Dasha Code Championship - Elimination Round (rated, open for everyone, Div. 1 + Div. 2) {1209} PROGRAMMING 69791 2600
7393 Cow and Fields binary search data structures dfs and similar graphs greedy shortest paths sortings Statement D Codeforces Round 621 (Div. 1 + Div. 2) {1307} PROGRAMMING 2000.0 Codeforces Round #621 (Div. 1 + Div. 2) Editorial 1900
430 Spring cleaning *special data structures dfs and similar graphs trees Statement B Central-European Olympiad in Informatics, CEOI 2020, Day 2 (IOI, Unofficial Mirror Contest, Unrated) {1403} PROGRAMMING CEOI 2020 Online Mirror — Day 2 Tutorial
3225 Returning Home data structures graphs implementation shortest paths sortings Statement D Codeforces Round 675 (Div. 2) {1422} PROGRAMMING 1500.0 Codeforces Round #675 (Div. 2) Editorial
937 Jumping Around data structures divide and conquer dp dsu graphs shortest paths trees Statement F Educational Codeforces Round 111 (Rated for Div. 2) {1550} PROGRAMMING Educational Codeforces Round 111 Editorial
422 Four Vertices constructive algorithms data structures graphs greedy implementation shortest paths Statement G Codeforces Global Round 16 {1566} PROGRAMMING 3000.0 Codeforces Global Round 16 Editorial
4890 The Strongest Build data structures dfs and similar graphs greedy hashing implementation shortest paths Statement D Educational Codeforces Round 114 (Rated for Div. 2) {1574} PROGRAMMING 95188
126 Railway Construction brute force constructive algorithms data structures graphs shortest paths Statement E Codeforces Round 745 (Div. 1) {1580} PROGRAMMING 3500.0 Codeforces Round #745 Editorial 3400
5549 Frog Traveler data structures dp graphs shortest paths Statement B Codeforces Round 751 (Div. 1) {1601} PROGRAMMING 1250.0 95865 1900
6649 Nearest Excluded Points binary search data structures dfs and similar graphs shortest paths Statement D Educational Codeforces Round 124 (Rated for Div. 2) {1651} PROGRAMMING Educational Codeforces Round 124 Editorial
473 Snowy Mountain data structures graphs greedy shortest paths trees Statement G Codeforces Round 778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) {1654} PROGRAMMING 3500.0 Editorial of Codeforces Round #778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) 2900
1265 Antennas data structures dfs and similar graphs graphs implementation implementation shortest paths shortest paths Statement F SWERC 2021-2022 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1662} PROGRAMMING 102042
2363 Long Way Home data structures divide and conquer dp geometry graphs shortest paths Statement E Codeforces Round 816 (Div. 2) {1715} PROGRAMMING 2750.0 Codeforces Round #816 (Div. 2) editorial
571 Teleportation in Byteland data structures divide and conquer graphs shortest paths trees Statement F Codeforces Round 892 (Div. 2) {1859} PROGRAMMING 3000.0 Video solutions from Geothermal.
1762 Pokémon Arena data structures graphs shortest paths Statement C Codeforces Round 930 (Div. 1) {1936} PROGRAMMING 1500.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
4158 Determine Winning Islands in Race data structures dp graphs shortest paths Statement D Codeforces Round 965 (Div. 2) {1998} PROGRAMMING 1500.0 Video Tutorial
13493 Colored Portals binary search data structures graphs greedy shortest paths Statement D Educational Codeforces Round 169 (Rated for Div. 2) {2004} PROGRAMMING Educational Codeforces Round 169 Editorial
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
7256 Skipping brute force data structures dp graphs greedy shortest paths Statement B Codeforces Round 980 (Div. 1) {2023} PROGRAMMING 1000.0 135341
3814 Alice's Adventures in Cards constructive algorithms data structures dfs and similar dp graphs greedy implementation shortest paths Statement D Codeforces Round 986 (Div. 2) {2028} PROGRAMMING 1750.0 Codeforces Round 986 (Div. 2) Editorial
109 Affectionate Arrays (Hard Version) data structures dp graphs greedy math shortest paths two pointers Statement I2 Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 2000.0 Good Bye 2024: 2025 is NEAR Editorial
6712 Graph and Graph data structures graphs greedy shortest paths Statement D Codeforces Round 1002 (Div. 2) {2059} PROGRAMMING 2000.0 139094
380 Porto Vs. Benfica data structures dfs and similar dsu graphs shortest paths Statement E European Championship 2025 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {2068} PROGRAMMING 140239
1557 Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math shortest paths Statement G Codeforces Round 1013 (Div. 3) {2091} PROGRAMMING Codeforces Round 1013 (Div. 3) Editorial