/*Author: KawakiMeido*/
#include <bits/stdc++.h>
#define pb push_back
#define endl "\n"
#define ll long long
#define pii pair<int,int>
#define fi first
#define se second
using namespace std;
/*Constants*/
const int N = 2e5+10;
const int INF = 1e9+7;
const long long LLINF = 1e18+3;
/*TestCases*/
int test=1;
void solve();
void TestCases(bool v){
if (v) cin >> test;
while(test--) solve();
}
/*Global Variables*/
int n,m;
int p1[6010],p2[6010];
string s,t;
//KMP
void KMP(string s,int *pi){
pi[0] = 0;
for (int i=1; i<(int) s.size(); i++){
int j = pi[i-1];
while (j>0 && s[i]!=s[j]){
j = pi[j-1];
}
if (s[i]==s[j]) pi[i] = j+1;
else pi[i] = 0;
}
}
//Solve
pair<int,pii> get(string s, string t, bool rev){
pair<int,pii> res = {0,{0,0}};
for (int i=0; i<=n; i++){
string s1,s2,t1,t2;
s1 = s.substr(0,i); s2 = s.substr(i);
t1 = t; t2 = t;
reverse(s1.begin(),s1.end());
reverse(t2.begin(),t2.end());
KMP(s1+"#"+t2,p1);
KMP(s2+"#"+t1,p2);
// if (i == 7){
// string rawr1 = s1+"#"+t2;
// string rawr2 = s2+"#"+t1;
// cout << s1+"#"+t2 << endl;
// cout << s2+"#"+t1 << endl;
// for (int i=0; i<(int)rawr1.size(); i++){
// cout << p1[i] << " ";
// }
// cout << endl;
// for (int i=0; i<(int)rawr2.size(); i++){
// cout << p2[i] << " ";
// }
// cout << endl;
// }
for (int j=0; j<=m; j++){
res = max(res,{p1[i+m-j]+p2[n-i+j],
{i-p1[i+m-j],
(rev)? m-(j+p1[i+m-j]): j-p2[n-i+j]}});
}
}
return res;
}
/*Solution*/
void solve(){
cin >> s >> t;
n = (int) s.size();
m = (int) t.size();
pair<int,pii> ans = get(s,t,0);
reverse(t.begin(),t.end());
ans = max(ans,get(s,t,1));
cout << ans.fi << endl << ans.se.fi << " " << ans.se.se;
cout << endl;
}
/*Driver Code*/
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
TestCases(0);
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
182 ms |
580 KB |
Output is correct |
| 2 |
Correct |
146 ms |
600 KB |
Output is correct |
| 3 |
Correct |
206 ms |
604 KB |
Output is correct |
| 4 |
Correct |
144 ms |
604 KB |
Output is correct |
| 5 |
Correct |
103 ms |
592 KB |
Output is correct |
| 6 |
Correct |
119 ms |
592 KB |
Output is correct |
| 7 |
Correct |
134 ms |
604 KB |
Output is correct |
| 8 |
Correct |
168 ms |
604 KB |
Output is correct |
| 9 |
Correct |
161 ms |
600 KB |
Output is correct |
