Reduce Time

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Exciting offer….!!! It’s World Cup time…. :) Here is an offer awaiting for you i.e… you will get a ticket to watch world cup finals @ Australia. Your task is so simple. You will be given a function . In order to win the prize, you need to reduce the time complexity of that function. fun( n) { if (n==0) return 1; if (n==1) return 2; return fun(n-1) + fun(n-1); } Come on….!!! Hurry up. Solv

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solution.cppC++17

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