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100万条记要的文本文件,取出重复数最多的前10条

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Release: 2016-06-13 12:30:16
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100万条记录的文本文件,取出重复数最多的前10条。
1. 100万条记录的文本文件,取出重复数最多的前10条。
示例文本:
098
123
234
789
……
234
678
654
123

求思路

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