Xenny and Alternating Tasks

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Xenny and Yana were very keen to celebrate Valentine's Day at their home. To make preparations for the celebration, they listed down N tasks that they had to complete. To complete the ith task, Xenny takes Xi seconds and Yana takes Yi seconds. In order to minimize the disparity in tasks performed, they decide to do the tasks alternatingly. If Xenny did the 1st task, then Yana would just wait and

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solution.cppC++17

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