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用例有些不标准,java要注意StringTokenizer

Posted by frady at 2020-06-16 14:43:32 on Problem 1860
要使用StringTokenizer,
StringTokenizer stringtokenizer = new StringTokenizer(reader.readLine());
//        String[] str=reader.readLine().split(" ");

split会一直Runtime ERROR,这个坑,花费了2个多小时

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