Handshaking the Room!
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Gavin Belson and Erlich Bachman are having a hand-shaking competition. There are N columns of entrepreneurs. Each column has variable length. The room from top looks something like Each entrepreneur will shake hands with either Erlich Bachman or Gavin Belson but not both. Erlich Bachman starts first and shakes hands with the any number of people from a particular column. Then alternatively they w
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solution.cppC++17
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