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If you have 2 coins in your pocket (one is double-headed, and the other is a fair coin), you grab a random coin from your pocket and see that one face is a head. What is the probability that if you flip the coin, the other face is also a head (i.e. that you picked the double-headed coin)?
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Financial Software Developer

Interviewed at Bloomberg

4★
May 8, 2010

If you have 2 coins in your pocket (one is double-headed, and the other is a fair coin), you grab a random coin from your pocket and see that one face is a head. What is the probability that if you flip the coin, the other face is also a head (i.e. that you picked the double-headed coin)?

Onsite interview 1: A paper test, questions including Java syntax, SQL, JavaScript, code review. Java syntax question is: given a method: int exchange(int a), we need: if a == 1 return 2, if a == 2 return 1. Give 4 methods to implement the method, "if" statement cannot be used. SQL question was about nested queries and aggregation. JavaScript question was to write a JavaScript function, when a radiobox is checked then alert sth. Code review question is an implementation of tree level traverse algorithm, lot of errors.
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Software Developer

Interviewed at iCIMS

3.2★
Jun 23, 2013

Onsite interview 1: A paper test, questions including Java syntax, SQL, JavaScript, code review. Java syntax question is: given a method: int exchange(int a), we need: if a == 1 return 2, if a == 2 return 1. Give 4 methods to implement the method, "if" statement cannot be used. SQL question was about nested queries and aggregation. JavaScript question was to write a JavaScript function, when a radiobox is checked then alert sth. Code review question is an implementation of tree level traverse algorithm, lot of errors.

Given an input string and a dictionary of words, find out if the input string can be segmented into a space-separated sequence of dictionary words. You need to output the minimum number of words. For example, input: "aaaisaname" dict: ("a", "aaa", "is", "name") output: "aaa is a name" Wrong output: "a a a is a name"
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Software Engineer

Interviewed at Pinterest

3.6★
Feb 5, 2014

Given an input string and a dictionary of words, find out if the input string can be segmented into a space-separated sequence of dictionary words. You need to output the minimum number of words. For example, input: "aaaisaname" dict: ("a", "aaa", "is", "name") output: "aaa is a name" Wrong output: "a a a is a name"

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