#include<iostream>
#include<vector>
#include<string>
using namespace std;
class Solution {
private:
vector<int>result;
public:
vector<int> findAnagrams(string s, string p)
{
if (s.size() == 0 || p.size() == 0)
return result;
vector<int>vs(26, 0);//用数组来创建两个哈希表;
vector<int>vp(26, 0);
//主要的内容;
for (char c : p)//遍历p字符串;结果存入到vp中;存入的是数字;
vp[c - 'a']++;
//主要的算法内容;
for (int i = 0; i < s.size(); i++)//遍历给定的要查找的字符串;
{
if (i >= p.size())//如果说此时的下标大于滑动窗口的长度;
vs[s[i - p.size()] - 'a']--;
vs[s[i] - 'a']++;//将当前的字符加入到滑动窗口中;
if (vs == vp)//注意这里只比较数组的内容并不需要比较顺序;
result.push_back(i - p.size() + 1);
}
return result;
}
};
int main() {
string s1 = "cbaebabacd";
string s2 = "abc";
Solution* anwser = new Solution();
vector<int> result = anwser->findAnagrams(s1,s2);
cout << result[0] << ' ' << result[1] << endl;
for (;;);
}