Monthly Archives: January 2017

  1. HashMap Iteration

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    January 18, 2017 by oneOokay

    e.g. Map<String, List<String>> map = new HashMap<String, ArrayList<String>>(); 如果只关心key的话就可以用for(T t : map.keySet()) for (String s : map.keySet()) 如果只关心value的话就可以用for (T t: …
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  2. Backtracking + Trie

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    January 16, 2017 by oneOokay

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