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publicclassSolution{publicstaticvoidmain(String[] args)throwsIOException {BufferedReaderbufferedReader=newBufferedReader(newInputStreamReader(System.in));// readLine()方法会返回用户在按下Enter键之前的所有字符输入,不包括最后按下的Enter返回字符intN=Integer.parseInt(bufferedReader.readLine().trim());for(int...
This definition allows self-loops, i.e. edges that connect a vertex to itself, and parallel edges, i.e. edges that connect the same pair of vertices. There are two categories of graphs: undirected and directed. Graphs whose edges are associated to a value are called edge-weighted graphs ...
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