选择算法实现

Question

我已实施＆＃34;选择＆＃34;算法在＆＃34;算法导论＆＃34;由科尔门。该算法返回数组中的第i个最小元素。我的代码适用于相当大的输入说＆＃34; 36000＆＃34;但如果我为大数字运行相同的代码说1000000我得到stackoverflow错误。但是根据我的说法，数字并不是那么大，以至于递归导致stackoverflow。对此有任何启发都会有很大的帮助

这是我的代码的链接。

＆＃34; https://github.com/ChandanBP/MyProjects/blob/master/Select%20Algorithm＆＃34;

这是我得到的例外。

Exception in thread "main" java.lang.StackOverflowError
    at Chap3.Selection.divide(Selection.java:42)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)
    at Chap3.Selection.divide(Selection.java:53)

提前致谢