#include<bits/stdc++.h>
#include<unordered_map>
#define rep(i,a,b) for(int i=int(a);i<int(b);i++)
#define rrep(i,a,b) for(int i=int(a);i>int(b);i--)
#define trav(a,v) for(auto& a: v)
#define sz(v) v.size()
#define all(v) v.begin(),v.end()
#define vi vector<int>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
const long long inf = 1e15;
vector<ull> suffix(1e5);
vector<ull> suffix2(1e5);
vector<ull> suffix3(1e5);
vector<ull> powers(1e5);
ll n;
ull getS(vector<ull>& v, ll start, ll end) {
if (start >= end)return 0;
return v[start] - (v[end] * powers[end - start]);
}
int main() {
cin.sync_with_stdio(false);
vector<ull> primes = { 43,47,53,59,61,67,71,73,79,83,89,97,101,103,107 };
string a, b;
cin >> a >> b;
n = a.size();
ull c = primes[rand() % primes.size()];
powers[0] = 1;
rep(i, 1, 1e5)powers[i] = powers[i - 1] * c;
rrep(i, a.size() - 1, -1)suffix[i] = a[i] + c * suffix[i + 1];
rrep(i, b.size() - 1, -1)suffix2[i] = b[i] + c * suffix2[i + 1];
reverse(all(a));
rrep(i, a.size() - 1, -1)suffix3[i] = a[i] + c * suffix3[i + 1];
ll ans = 0;
ll pos1, pos2;
rep(i, 0, b.size()) {
rep(j, 0, a.size()) {
int FuckMinAndMax = b.size() - i;
ll l = 1, r = min(j, FuckMinAndMax);//maybe wrong
ll val1 = 0;
rep(mid, l, r + 1) {
if (getS(suffix2, i, i + mid) == getS(suffix, j - mid, j)) {
val1 = mid;
}
}
FuckMinAndMax = a.size() - j;
l = 0, r = min(i, FuckMinAndMax);//maybe wrong
ll val2 = 0;
rep(mid, l, r + 1) {
if (getS(suffix2, i - mid, i) == getS(suffix, j, j + mid)) {
val2 = mid;
}
}
if (val1 + val2 > ans) {
ans = val1 + val2;
pos1 = j - val1;
pos2 = i - val2;
}
}
rep(j, 0, a.size()) {
int FuckMinAndMax = b.size() - i;
ll l = 1, r = min(j, FuckMinAndMax);//maybe wrong
ll val1 = 0;
rep(mid, l, r + 1) {
if (getS(suffix2, i, i + mid) == getS(suffix3, j - mid, j)) {
val1 = mid;
}
}
FuckMinAndMax = a.size() - j;
l = 0, r = min(i, FuckMinAndMax);//maybe wrong
ll val2 = 0;
rep(mid, l, r + 1) {
if (getS(suffix2, i - mid, i) == getS(suffix3, j, j + mid)) {
val2 = mid;
}
}
if (val1 + val2 > ans) {
ans = val1 + val2;
pos1 = a.size() - j - val1;
pos2 = i - val2;
}
}
}
cout << ans << endl;
if (ans)cout << pos1 << " " << pos2 << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
3404 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
3404 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
3404 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |