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- #include <iostream>
- #include <algorithm>
- #include <cstdio>
- #include <vector>
- #include <string>
- #include <cstdlib>
- #include <cmath>
- #include <iomanip>
- #include <cstring>
- #include <cassert>
- #include <queue>
- #include <set>
- using namespace std;
- string s;
- const long long MAX = 1e6;
- const long long p = 2017;
- const long long base = 1e9+7;
- vector <long long> deg(MAX);
- void prefix_calc(vector <long long> °){
- deg[0] = 1;
- for (int i = 1;i<s.size();++i)
- deg[i] = deg[i-1]*p;
- }
- vector < long long > hash_calc(string s){
- vector < long long > res(s.size());
- res[0] = int(s[0]) - int('a') + 1;
- for ( int i = 1; i < s.size(); i++)
- res[i] = (res[i-1] + (int(s[0]) - int('a') + 1) * deg[i] ) % base;
- }
- int get_hash(int l,int r, vector <long long> hash_now){
- if(l==0)
- return hash_now[r];
- long long res = (hash_now[r] - hash_now[l-1]) % base;
- if(res<0)
- res += base;
- return res;
- }
- int main() {
- ios_base::sync_with_stdio(false);
- cin.tie(nullptr);
- cin >> s;
- int n = s.size();
- string s1 = s;
- reverse(s.begin(),s.end());
- string s2;
- s2 = s;
- s = s1;
- s1 = s2;
- vector <int> h(n);
- vector <int> h1(n);
- /*for (int i = 0;i<n;++i){
- cout << h[i] << " ";
- }
- cout << "\n";
- for (int i = 0;i<n;++i){
- cout << h1[i] << " ";
- }
- cout << "\n";
- */
- prefix_calc(deg);
- for (int i = 0;i<s.size();++i){
- cout << deg[i] << " ";
- }
- for (int i = 0;i<s.size();++i){
- h[i] = hash_calc(s)[i];
- h1[i] = hash_calc(s1)[i];
- }
- int ans = 0;
- cout << ans;
- return 0;
- }
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