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October 13, 2020 05:28
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Markdium-14 Fibonacci Interview Questions (SOLVED) To Brush Before Coding Interview
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| private static long fibonacci(int n) { | |
| double pha = pow(1 + sqrt(5), n); | |
| double phb = pow(1 - sqrt(5), n); | |
| double div = pow(2, n) * sqrt(5); | |
| return (long)((pha - phb) / div); | |
| } |
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