| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 625149 | 2022-08-09T13:43:03 Z | Hanksburger | 회문 (APIO14_palindrome) | C++17 | 24 ms | 35108 KB |
#include <bits/stdc++.h>
using namespace std;
int nxt[300005][26], suff[300005], len[300005], freq[300005], cur=1, cnt=2;
string s;
void add(int x)
{
while (s[x-len[cur]-1]!=s[x])
cur=suff[cur];
int y=s[x]-'a';
if (nxt[cur][y])
{
cur=nxt[cur][y];
freq[cur]++;
return;
}
nxt[cur][y]=++cnt;
len[cnt]=len[cur]+2;
freq[cnt]++;
if (len[cnt]==1)
{
suff[cnt]=2;
cur=cnt;
return;
}
do cur=suff[cur];
while (s[x-len[cur]-1]!=s[x]);
suff[cnt]=nxt[cur][y];
cur=cnt;
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
len[1]=-1;
suff[1]=suff[2]=1;
cin >> s;
for (int i=0; i<s.length(); i++)
add(i);
long long ans=0;
for (int i=cnt; i>=3; i--)
{
ans=max(ans, 1LL*freq[i]*len[i]);
freq[suff[i]]+=freq[i];
}
cout << ans;
return 0;
}
Compilation message
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 340 KB | Output is correct |
| 2 | Correct | 0 ms | 340 KB | Output is correct |
| 3 | Correct | 1 ms | 340 KB | Output is correct |
| 4 | Correct | 1 ms | 344 KB | Output is correct |
| 5 | Correct | 0 ms | 344 KB | Output is correct |
| 6 | Correct | 1 ms | 340 KB | Output is correct |
| 7 | Correct | 1 ms | 340 KB | Output is correct |
| 8 | Correct | 1 ms | 340 KB | Output is correct |
| 9 | Correct | 0 ms | 340 KB | Output is correct |
| 10 | Correct | 0 ms | 340 KB | Output is correct |
| 11 | Correct | 0 ms | 340 KB | Output is correct |
| 12 | Correct | 0 ms | 340 KB | Output is correct |
| 13 | Correct | 1 ms | 340 KB | Output is correct |
| 14 | Correct | 0 ms | 340 KB | Output is correct |
| 15 | Correct | 1 ms | 340 KB | Output is correct |
| 16 | Correct | 1 ms | 340 KB | Output is correct |
| 17 | Correct | 0 ms | 340 KB | Output is correct |
| 18 | Correct | 0 ms | 340 KB | Output is correct |
| 19 | Correct | 0 ms | 340 KB | Output is correct |
| 20 | Correct | 1 ms | 340 KB | Output is correct |
| 21 | Correct | 0 ms | 340 KB | Output is correct |
| 22 | Correct | 0 ms | 212 KB | Output is correct |
| 23 | Correct | 1 ms | 340 KB | Output is correct |
| 24 | Correct | 0 ms | 340 KB | Output is correct |
| 25 | Correct | 1 ms | 340 KB | Output is correct |
| 26 | Correct | 1 ms | 344 KB | Output is correct |
| 27 | Correct | 1 ms | 348 KB | Output is correct |
| 28 | Correct | 1 ms | 340 KB | Output is correct |
| 29 | Correct | 1 ms | 340 KB | Output is correct |
| 30 | Correct | 1 ms | 340 KB | Output is correct |
| 31 | Correct | 0 ms | 340 KB | Output is correct |
| 32 | Correct | 0 ms | 340 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 344 KB | Output is correct |
| 2 | Correct | 1 ms | 340 KB | Output is correct |
| 3 | Correct | 1 ms | 340 KB | Output is correct |
| 4 | Correct | 1 ms | 340 KB | Output is correct |
| 5 | Correct | 1 ms | 340 KB | Output is correct |
| 6 | Correct | 1 ms | 340 KB | Output is correct |
| 7 | Correct | 0 ms | 340 KB | Output is correct |
| 8 | Correct | 1 ms | 468 KB | Output is correct |
| 9 | Correct | 1 ms | 340 KB | Output is correct |
| 10 | Correct | 0 ms | 344 KB | Output is correct |
| 11 | Correct | 1 ms | 340 KB | Output is correct |
| 12 | Correct | 1 ms | 340 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 1492 KB | Output is correct |
| 2 | Correct | 1 ms | 1492 KB | Output is correct |
| 3 | Correct | 1 ms | 1492 KB | Output is correct |
| 4 | Correct | 1 ms | 1508 KB | Output is correct |
| 5 | Correct | 1 ms | 1492 KB | Output is correct |
| 6 | Correct | 1 ms | 1492 KB | Output is correct |
| 7 | Correct | 1 ms | 1508 KB | Output is correct |
| 8 | Correct | 1 ms | 340 KB | Output is correct |
| 9 | Correct | 1 ms | 340 KB | Output is correct |
| 10 | Correct | 1 ms | 1108 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 7 ms | 11988 KB | Output is correct |
| 2 | Correct | 9 ms | 12000 KB | Output is correct |
| 3 | Correct | 8 ms | 11988 KB | Output is correct |
| 4 | Correct | 8 ms | 12004 KB | Output is correct |
| 5 | Correct | 8 ms | 12000 KB | Output is correct |
| 6 | Correct | 6 ms | 8916 KB | Output is correct |
| 7 | Correct | 8 ms | 10180 KB | Output is correct |
| 8 | Correct | 2 ms | 768 KB | Output is correct |
| 9 | Correct | 4 ms | 3284 KB | Output is correct |
| 10 | Correct | 7 ms | 10196 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 22 ms | 35072 KB | Output is correct |
| 2 | Correct | 22 ms | 34960 KB | Output is correct |
| 3 | Correct | 24 ms | 34976 KB | Output is correct |
| 4 | Correct | 23 ms | 35036 KB | Output is correct |
| 5 | Correct | 23 ms | 35036 KB | Output is correct |
| 6 | Correct | 22 ms | 31176 KB | Output is correct |
| 7 | Correct | 23 ms | 29352 KB | Output is correct |
| 8 | Correct | 5 ms | 1260 KB | Output is correct |
| 9 | Correct | 6 ms | 1244 KB | Output is correct |
| 10 | Correct | 20 ms | 28904 KB | Output is correct |
| 11 | Correct | 22 ms | 35108 KB | Output is correct |
| 12 | Correct | 7 ms | 4272 KB | Output is correct |