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Valve SDE 2

The 4 highest-frequency questions from all time. Finish the strongest signals first.

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Top questions 4

Done	Question	LeetCode
Mark Dota2 Senate completed	Dota2 Senate	Solve
Mark String to Integer (atoi) completed	String to Integer (atoi)	Solve
Mark Deep Merge of Two Objects completed	Deep Merge of Two Objects	Solve
Mark Design Parking System completed	Design Parking System	Solve