JavaScript:实现SegmentTree段树算法
import isPowerOfTwo from 'isPowerOfTwo';
export default class SegmentTree {
/**
* @param {number[]} inputArray
* @param {function} operation - binary function (i.e. sum, min)
* @param {number} operationFallback - operation fallback value (i.e. 0 for sum, Infinity for min)
*/
constructor