更改包名
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package com.code.leet.study.day;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* 给定两个字符串 s1 和 s2,写一个函数来判断 s2 是否包含 s1 的排列。
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* <p>
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* 换句话说,第一个字符串的排列之一是第二个字符串的子串。
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* <p>
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* 示例1:
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* <p>
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* 输入: s1 = "ab" s2 = "eidbaooo"
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* 输出: True
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* 解释: s2 包含 s1 的排列之一 ("ba").
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*
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* <p>
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* 示例2:
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* <p>
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* 输入: s1= "ab" s2 = "eidboaoo"
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* 输出: False
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*
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* <p>
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* 注意:
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* <p>
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* 输入的字符串只包含小写字母
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* 两个字符串的长度都在 [1, 10,000] 之间
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* <p>
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* 来源:力扣(LeetCode)
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* 链接:https://leetcode-cn.com/problems/permutation-in-string
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* 著作权归领扣网络所有。商业转载请联系官方授权,非商业转载请注明出处。
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*/
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public class CheckInclusion {
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/**
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* 567. 字符串的排列
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*/
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public static boolean checkInclusion(String s1, String s2) {
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int l1 = s1.length();
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int l2 = s2.length();
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Map<String, Integer> m1 = new HashMap<>(l1);
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if (l1 > l2) {
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return false;
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}
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for (int i = 0; i < l1; i++) {
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String ch = String.valueOf(s1.charAt(i));
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m1.put(ch, m1.get(ch) == null ? 1 : m1.get(ch) + 1);
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}
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int count = l2 - l1;
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for (int i = 0; i <= count; i++) {
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String str = s2.substring(i, i + l1);
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boolean bl = true;
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for (String ch : m1.keySet()) {
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String temp = str.replace(ch, "");
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if (l1 - temp.length() != m1.get(ch)) {
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bl = false;
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break;
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}
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}
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if (bl) {
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return true;
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}
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}
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return false;
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}
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public static void main(String[] args) {
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String s1 = "ab";
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String s2 = "eidbaooo";
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checkInclusion(s1, s2);
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}
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}
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package com.code.leet.study.LinkNode.t20210205;
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package com.code.leet.study.t2021.t20210205;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210205;
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package com.code.leet.study.t2021.t20210205;
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import com.code.leet.entiy.ListNode;
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@ -1,4 +1,4 @@
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package com.code.leet.study.LinkNode.t20210205;
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package com.code.leet.study.t2021.t20210205;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210205;
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package com.code.leet.study.t2021.t20210205;
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import com.code.leet.entiy.ListNode;
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@ -1,4 +1,4 @@
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package com.code.leet.study.LinkNode.t20210205;
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package com.code.leet.study.t2021.t20210205;
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import java.util.ArrayList;
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import java.util.HashMap;
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package com.code.leet.study.LinkNode.t20210207;
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package com.code.leet.study.t2021.t20210207;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210207;
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package com.code.leet.study.t2021.t20210207;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210207;
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package com.code.leet.study.t2021.t20210207;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210207;
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package com.code.leet.study.t2021.t20210207;
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import com.code.leet.entiy.ListNode;
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@ -1,4 +1,4 @@
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package com.code.leet.study.LinkNode.t20210207;
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package com.code.leet.study.t2021.t20210207;
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import com.code.leet.entiy.ListNode;
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@ -1,4 +1,4 @@
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package com.code.leet.study.LinkNode.t20210207;
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package com.code.leet.study.t2021.t20210207;
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import com.code.leet.entiy.ListNode;
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@ -1,4 +1,4 @@
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package com.code.leet.study.LinkNode.t20210207;
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package com.code.leet.study.t2021.t20210207;
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import com.code.leet.entiy.ListNode;
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@ -1,4 +1,4 @@
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package com.code.leet.study.LinkNode.t20210207;
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package com.code.leet.study.t2021.t20210207;
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import com.code.leet.entiy.ListNode;
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@ -1,4 +1,4 @@
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package com.code.leet.study.LinkNode.t20210207;
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package com.code.leet.study.t2021.t20210207;
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import com.code.leet.entiy.ListNode;
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@ -1,4 +1,4 @@
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package com.code.leet.study.LinkNode.t20210207;
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package com.code.leet.study.t2021.t20210207;
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import com.code.leet.entiy.ListNode;
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@ -1,4 +1,4 @@
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package com.code.leet.study.LinkNode.t20210207;
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package com.code.leet.study.t2021.t20210207;
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import com.code.leet.entiy.ListNode;
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@ -1,4 +1,4 @@
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package com.code.leet.study.LinkNode.t20210208;
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package com.code.leet.study.t2021.t20210208;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210208;
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package com.code.leet.study.t2021.t20210208;
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import com.code.leet.entiy.ListNode;
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@ -1,4 +1,4 @@
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package com.code.leet.study.LinkNode.t20210208;
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package com.code.leet.study.t2021.t20210208;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210208;
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package com.code.leet.study.t2021.t20210208;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210209;
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package com.code.leet.study.t2021.t20210209;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210209;
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package com.code.leet.study.t2021.t20210209;
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import com.code.leet.entiy.Node;
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package com.code.leet.study.LinkNode.t20210209;
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package com.code.leet.study.t2021.t20210209;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210209;
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package com.code.leet.study.t2021.t20210209;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210209;
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package com.code.leet.study.t2021.t20210209;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210209;
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package com.code.leet.study.t2021.t20210209;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210209;
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package com.code.leet.study.t2021.t20210209;
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import com.code.leet.entiy.ListNode;
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import com.code.leet.entiy.TreeNode;
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package com.code.leet.study.LinkNode.t20210210;
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package com.code.leet.study.t2021.t20210210;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210210;
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package com.code.leet.study.t2021.t20210210;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210210;
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package com.code.leet.study.t2021.t20210210;
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import com.code.leet.entiy.ListNode;
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package com.code.leet.study.LinkNode.t20210210;
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package com.code.leet.study.t2021.t20210210;
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import com.code.leet.entiy.ListNode;
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