luoheng
10/6/2019 - 2:47 PM

fib

Saved from https://leetcode-cn.com/problems/fibonacci-number/submissions/

fib.go
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func fib(N int) int {
    a, b := 0, 1
    for i := 0; i < N; i++ {
        a, b = b, a + b
    }
    return a
}