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摘要:public class Main { public static void permutation(char[] s,int from,int to) { if(to <= 1)//这步是s长度为1时,直接返回 return; if(from == to) { System.out.println(s);... 阅读全文
posted @ 2018-03-23 15:56 Wbin_01 阅读(88) 评论(0) 推荐(0)