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算法技术手册(原书第2 版)
book

算法技术手册(原书第2 版)

by George T.Heineman, Gary Pollice, Stanley Selkow
August 2017
Intermediate to advanced
360 pages
8h 35m
Chinese
China Machine Press
Content preview from 算法技术手册(原书第2 版)
94
5
if t < A[mid] then
high = mid - 1
else if t > A[mid] then
low = mid + 1
else
return true
return false
end
如果还存在可以搜索的范围,继续循环。
中点的值要取整。
“衍生算法”一节
5.3.5
节)将会讨论如何支持“搜索
/
插入”操作。
5.2.3 决方案
5-3
Java
代码是一个泛型的二分搜索实现,它接受一个有序的数组集合。
Java
中的
java.util.Comparable<T>
接口提供了方法
compareTo
。一个类只需要正确实现该方法,
就能保证该类实例的有序性。
5-3
:二分搜索的
Java
实现
/**
*
二分搜索处理一个泛型的有序数组
*
* @param T
集合中的元素类型,这个类型必须实现了
Comparable
接口
*/
public class BinarySearch<T extends Comparable<T>> {
/*
在集合中查找非空元素,成功,则返回
true */
public boolean search(T[] collection, T target) {
if (target == null) { return false; }
int low = 0, high = collection.length - 1;
while
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Publisher Resources

ISBN: 9787111562221