#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>
#include <array>
#include <set>
#include <queue>
#include <map>
#include <iomanip>
#include <stack>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string>
#include <fstream>
using namespace std;
using ll = long long;
using ld = long double;
using P = pair<int, int>;
using Mat = vector<vector<ll>>;
const ll MOD = 1e9 + 7;
const int MAXN = 7e3 + 111;
string a, b;
vector<int> pref_func(string s)
{
int n = s.size();
vector<int> pi(n);
for (int i = 1; i < n; i++)
{
int j = pi[i - 1];
while (j > 0 && s[i] != s[j])
j = pi[j-1];
if (s[i] == s[j])
j++;
pi[i] = j;
}
return pi;
}
tuple<int, int, int> solve(string s, string t, bool rev)
{
int n = s.size();
int m = t.size();
tuple<int, int, int> ans = { 0,0,0 };
for (int i = 0; i < n; i++)
{
string s1 = s.substr(0, i);
string s2 = s.substr(i, n - i);
reverse(s1.begin(), s1.end());
string t1 = t;
string t2 = t;
reverse(t2.begin(), t2.end());
vector<int> p1 = pref_func(s1 + "#" + t1);
vector<int> p2 = pref_func(s2 + "#" + t2);
for (int j = 1; j <= m; j++)
ans = max(ans, {p1[i+j] + p2[n+m-i-j],i-p1[i+j], rev ?
m - j - p2[n+m-i-j] :
j - p1[i+j]});
}
return ans;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
//freopen("boards.in", "r", stdin);
//freopen("boards.out", "w", stdout);
cin >> a >> b;
tuple<int, int, int> ans = solve(a, b, false);
reverse(a.begin(), a.end());
ans = max(ans, solve(a, b, true));
cout << get<0>(ans) << '\n' << get<1>(ans) << ' ' << get<2>(ans) << ' ';
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
293 ms |
572 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
