#include <bits/stdc++.h>
using namespace std;
const long long maxn=1e4+10;
const long long mod=1e9+7;
int main()
{
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
string s;
cin>>s;
int n=s.size();
map<deque<char>,int>m;
for(int i=0;i<n;i++)
{
deque<char>Q;
int l=i;
int r=i;
Q.push_front(s[i]);
m[Q]++;
while(l-1>=0 && r+1<n)
{
if(s[l-1]==s[r+1])
{
l--;
r++;
Q.push_front(s[l]);
Q.push_back(s[r]);
m[Q]++;
}
else
{
break;
}
}
}
for(int i=0;i<n-1;i++)
{
deque<char>Q;
int l=i;
int r=i+1;
if(s[l]!=s[r])continue;
Q.push_front(s[l]);
Q.push_back(s[r]);
m[Q]++;
while(l-1>=0 && r+1<n)
{
if(s[l-1]==s[r+1])
{
l--;
r++;
Q.push_front(s[l]);
Q.push_back(s[r]);
m[Q]++;
}
else
{
break;
}
}
}
long long ans=0LL;
for(auto ax:m)
{
long long num=ax.first.size()*ax.second;
ans=max(num,ans);
}
cout<<ans<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
2 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1036 ms |
1716 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1027 ms |
1884 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1081 ms |
2408 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1056 ms |
2400 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |