Algorithm learning personally note
Added some Sys Design leanring note
Power(x, n) x^n = (x^(n.2))^2 -> )(logn)
sqrt(x) magic number 0x5f3759df
Trailing Number of zeros in n! n/5 + n/25 + n/123
O(1) check power of 2 (x-1) & x == 0 --> x 是 2 的某次幂
Youngtrust/algorithm-learning-note
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