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Given a list of nodes and a list of directed connections each one of those nodes has to each other(not every node has a connection, and cycles may exist), find the minimal amount of entry points for a message to spread to every node.
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Software Engineer

Interviewed at Airbnb

4
Oct 8, 2017

Given a list of nodes and a list of directed connections each one of those nodes has to each other(not every node has a connection, and cycles may exist), find the minimal amount of entry points for a message to spread to every node.

2) You have 10 jars containing 100 marbles each. One jar has marbles weighing 1.1 grams. The other jars have marbles weighing 1.0 grams. The marbles all look alike. What is the minimum number of weighs on a scale to find out which jar has the heavy marbles.
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Software Engineer

Interviewed at Pocket Gems

4.2
Oct 17, 2012

2) You have 10 jars containing 100 marbles each. One jar has marbles weighing 1.1 grams. The other jars have marbles weighing 1.0 grams. The marbles all look alike. What is the minimum number of weighs on a scale to find out which jar has the heavy marbles.

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