This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int base = 727;
const int mod = 1e9 + 7;
const int N = 3005;
unordered_map<int, int> ind;
pair<int, int> ans[N];
int pwr[N];
int main(){
pwr[0] = 1;
for (int i = 1; i < N; i ++)
pwr[i] = (1ll * base * pwr[i - 1]) % mod;
string s, t;
cin >> s >> t;
int n = s.size();
int m = t.size();
for (int i = 0; i < m; i ++){
int hash = 0;
for (int j = i; j < m; j ++){
hash = (1ll * base * hash + t[j]) % mod;
ind[hash] = i;
}
}
int l = 0;
int r = n + 1;
while (r - l > 1){
int len = (l + r) / 2;
bool good = 0;
for (int i = 0; i + len - 1 < n; i ++){
int hash = 0;
for (int j = i; j < i + len; j ++)
hash = (1ll * base * hash + s[j]) % mod;
if (ind.find(hash) != ind.end()){
ans[len] = {i, ind[hash]};
good = 1;
break;
}
for (int j = i; j < i + len - 1; j ++){
hash = (-(1ll * s[j] * pwr[len - 1]) + hash) % mod;
hash += mod;
hash %= mod;
hash = (1ll * hash * base + s[j]) % mod;
if (ind.find(hash) != ind.end()){
ans[len] = {i, ind[hash]};
good = 1;
break;
}
}
if (good) break;
}
if (good)
l = len;
else
r = len;
}
assert(l > 0);
vector<pair<int, pair<int, int>>> save;
save.push_back({l, ans[l]});
reverse(s.begin(), s.end());
l = 0;
r = n + 1;
while (r - l > 1){
int len = (l + r) / 2;
bool good = 0;
for (int i = 0; i + len - 1 < n; i ++){
int hash = 0;
for (int j = i; j < i + len; j ++)
hash = (1ll * base * hash + s[j]) % mod;
if (ind.find(hash) != ind.end()){
ans[len] = {i, ind[hash]};
good = 1;
break;
}
for (int j = i; j < i + len - 1; j ++){
hash = (-(1ll * s[j] * pwr[len - 1]) + hash) % mod;
hash += mod;
hash %= mod;
hash = (1ll * hash * base + s[j]) % mod;
if (ind.find(hash) != ind.end()){
ans[len] = {i, ind[hash]};
good = 1;
break;
}
}
if (good) break;
}
if (good)
l = len;
else
r = len;
}
assert(l > 0);
save.push_back({l, {l + ans[l].first - 1, ans[l].second}});
sort(save.begin(), save.end());
pair<int, int> output = save[1].second;
// cout << save[1].first << endl;
cout << output.first << " " << output.second;
}
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