代码冗余

这一行排序的代码并没有用
2021-01-26 20:22:33 +08:00 · 2021-01-26 20:22:33 +08:00 · 072c18bb7e
commit 072c18bb7e
parent d72820b1d0
1 changed files with 0 additions and 1 deletions
--- a/字符串的排列.md
+++ b/字符串的排列.md
@ -15,7 +15,6 @@ public ArrayList<String> Permutation(String str) {
    if (str.length() == 0)
        return ret;
    char[] chars = str.toCharArray();
-    Arrays.sort(chars);
    backtracking(chars, new boolean[chars.length], new StringBuilder());
    return ret;
 }