Background \text{Background} Background
I’ve accepted \text{I've accepted} I’ve accepted a very good problem \text{ a very good problem } a very good problem about High-Precisions and become \text{about High-Precisions and become} about High-Precisions and become
a little interested in it. (Copy my templates.) \text{a little interested in it. (Copy my templates.)} a little interested in it. (Copy my templates.)
Given interger N , k . Please compute k N . \text{Given interger }N,k.\text{ Please compute }^k\sqrt{N}. Given interger N , k . Please compute k N .
Solution \text{Solution} Solution
The easiest way I’ve got first is binary search. \text{The easiest way I've got first is binary search.} The easiest way I’ve got first is binary search.
To binary search for answer. For each answer a , use Quick-Power to \text{To binary search for answer. For each answer }a\text{, use Quick-Power to } To binary search for answer. For each answer a , use Quick-Power to
compute a k . \text{compute }a^k. compute a k .
Time-complexity is O ( log n 2 k ) . \text{Time-complexity is }O(\log n^2k). Time-complexity is O ( log n 2 k ) .