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<p>? ????? ??? ??? ??? ???? ?? ?? ?? ????? ???? PHX? BKK ??? ?? ??? ???? ????. <strong>??? ??? ???? ? ??? ????. </strong></p> <p>???? ??(?? ??)? ??? ????. PHX -> LAX -> BKK</p> <pre class="brush:php;toolbar:false;">const Airports = 'PHX BKK OKC JFK LAX MEX EZE HEL LOS LAP LIM'.split(' '); const ?? = [ ['PHX', 'LAX'], ['PHX', 'JFK'], ['JFK', 'OKC'], ['JFK', '?'], ['JFK', 'LOS'], ['MEX', 'LAX'], ['MEX', 'BKK'], ['??', '?'], ['MEX', 'EZE'], ['?', 'BKK'], ]; //??? const adjacencyList = new Map(); //?? ?? ?? addNode(??) { adjacencyList.set(??, []); } // ??? ???? ?? ???? ?? function addEdge(???, ???) { adjacencyList.get(origin).push(destination); adjacencyList.get(destination).push(origin); } // ??? ?? Airports.forEach(addNode); // ? ??? ???? ?? addEdge ??? ??????. Routes.forEach(route => addEdge(...route));</pre> <p>??? ???(???)?? ?? ??? ???? ?? ???? ??? ????</p> <pre class="brush:php;toolbar:false;">function bfs(start) { const ?? = new Set(); Visited.add(start); // ?? ??? ?? ??? ?????. const ??? = [??]; while (queue.length > 0) { const Airport = queue.shift(); // ??? ?? const ??? = adjacencyList.get(airport); for (???? ?? ???) { if (?? === 'BKK') { console.log(`BFS? ??? ?????!`) //console.log(??); } if (!visited.has(???)) { ??.??(???); queue.push(??); } } } } bfs('PHX')