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Make loops using 50 strings
Posted by Derek Jing
on
4:38 PM
in
Brain teaser
Another brain teaser question the Goldman Sachs interviewer asked me today.
Give you 50 strings, you randomly connect them end-by-end. What's the expectation of the number of loops that you may form?
Give you 50 strings, you randomly connect them end-by-end. What's the expectation of the number of loops that you may form?
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