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52 Excursions *special constructive algorithms dfs and similar flows graphs Statement I Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
90 Biome Map *special constructive algorithms dfs and similar graphs Statement G Kotlin Heroes: Episode 7 {1533} PROGRAMMING Kotlin Heroes 7 — Editorial
84 Parallel Universes *special constructive algorithms dfs and similar ds graphs Statement A XVIII Open Olympiad in Informatics - Final Stage, Day 2 (Unrated, Online Mirror, IOI rules) {1940} PROGRAMMING