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193. Valid Phone Numbers 193. Valid Phone Numbers Given a text file file.txt that contains list of phone numbers (one per line), write a one liner bas 阅读全文
posted @ 2019-02-21 23:57
douzujun
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摘要：
192. Word Frequency Write a bash script to calculate the frequency of each word in a text file words.txt. For simplicity sake, you may assume: words.t 阅读全文
posted @ 2019-02-21 16:17
douzujun
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