| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 100231 | 2019-03-09T21:50:45 Z | TadijaSebez | Palindromes (APIO14_palindrome) | C++11 | 104 ms | 59768 KB |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N=300050;
struct EERTREE
{
char s[N];
int link[N],at,go[N][26],len[N],cnt[N],ZERO,IMAG,tsz,sz;
vector<int> E[N];
void init()
{
IMAG=++tsz;link[IMAG]=IMAG;len[IMAG]=-1;
ZERO=++tsz;link[ZERO]=IMAG;len[ZERO]=0;
E[IMAG].push_back(ZERO);
at=IMAG;
}
EERTREE(){ init();}
void Grow()
{
++sz;
while(s[sz]!=s[sz-len[at]-1]) at=link[at];
if(!go[at][s[sz]-'a'])
{
tsz++;link[tsz]=link[at];go[at][s[sz]-'a']=tsz;len[tsz]=len[at]+2;
while(s[sz]!=s[sz-len[link[tsz]]-1]) link[tsz]=link[link[tsz]];
if(len[tsz]==1) link[tsz]=ZERO;
else link[tsz]=go[link[tsz]][s[sz]-'a'];
E[link[tsz]].push_back(tsz);
}
at=go[at][s[sz]-'a'];cnt[at]++;
}
void DFS(int u)
{
for(int v:E[u]) DFS(v),cnt[u]+=cnt[v];
}
ll Solve()
{
DFS(IMAG);
ll ans=0;
for(int i=1;i<=tsz;i++) if(len[i]>0) ans=max(ans,(ll)len[i]*cnt[i]);
return ans;
}
} TREE;
int main()
{
int n;
scanf("%s",TREE.s+1);
n=strlen(TREE.s+1);
for(int i=1;i<=n;i++) TREE.Grow();
printf("%lld\n",TREE.Solve());
return 0;
}
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 8 ms | 7424 KB | Output is correct |
| 2 | Correct | 9 ms | 7424 KB | Output is correct |
| 3 | Correct | 9 ms | 7424 KB | Output is correct |
| 4 | Correct | 9 ms | 7424 KB | Output is correct |
| 5 | Correct | 8 ms | 7424 KB | Output is correct |
| 6 | Correct | 10 ms | 7424 KB | Output is correct |
| 7 | Correct | 9 ms | 7424 KB | Output is correct |
| 8 | Correct | 7 ms | 7424 KB | Output is correct |
| 9 | Correct | 8 ms | 7444 KB | Output is correct |
| 10 | Correct | 8 ms | 7424 KB | Output is correct |
| 11 | Correct | 8 ms | 7424 KB | Output is correct |
| 12 | Correct | 7 ms | 7424 KB | Output is correct |
| 13 | Correct | 8 ms | 7424 KB | Output is correct |
| 14 | Correct | 9 ms | 7424 KB | Output is correct |
| 15 | Correct | 10 ms | 7424 KB | Output is correct |
| 16 | Correct | 8 ms | 7424 KB | Output is correct |
| 17 | Correct | 8 ms | 7424 KB | Output is correct |
| 18 | Correct | 8 ms | 7424 KB | Output is correct |
| 19 | Correct | 8 ms | 7424 KB | Output is correct |
| 20 | Correct | 8 ms | 7424 KB | Output is correct |
| 21 | Correct | 10 ms | 7344 KB | Output is correct |
| 22 | Correct | 8 ms | 7424 KB | Output is correct |
| 23 | Correct | 9 ms | 7424 KB | Output is correct |
| 24 | Correct | 8 ms | 7424 KB | Output is correct |
| 25 | Correct | 9 ms | 7396 KB | Output is correct |
| 26 | Correct | 8 ms | 7424 KB | Output is correct |
| 27 | Correct | 8 ms | 7424 KB | Output is correct |
| 28 | Correct | 10 ms | 7424 KB | Output is correct |
| 29 | Correct | 8 ms | 7424 KB | Output is correct |
| 30 | Correct | 7 ms | 7424 KB | Output is correct |
| 31 | Correct | 8 ms | 7424 KB | Output is correct |
| 32 | Correct | 8 ms | 7424 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 8 ms | 7552 KB | Output is correct |
| 2 | Correct | 8 ms | 7552 KB | Output is correct |
| 3 | Correct | 10 ms | 7552 KB | Output is correct |
| 4 | Correct | 9 ms | 7604 KB | Output is correct |
| 5 | Correct | 7 ms | 7552 KB | Output is correct |
| 6 | Correct | 9 ms | 7680 KB | Output is correct |
| 7 | Correct | 8 ms | 7552 KB | Output is correct |
| 8 | Correct | 8 ms | 7552 KB | Output is correct |
| 9 | Correct | 8 ms | 7552 KB | Output is correct |
| 10 | Correct | 8 ms | 7424 KB | Output is correct |
| 11 | Correct | 8 ms | 7424 KB | Output is correct |
| 12 | Correct | 8 ms | 7552 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 10 ms | 8960 KB | Output is correct |
| 2 | Correct | 11 ms | 8884 KB | Output is correct |
| 3 | Correct | 11 ms | 9088 KB | Output is correct |
| 4 | Correct | 10 ms | 9088 KB | Output is correct |
| 5 | Correct | 12 ms | 8704 KB | Output is correct |
| 6 | Correct | 9 ms | 8704 KB | Output is correct |
| 7 | Correct | 10 ms | 8832 KB | Output is correct |
| 8 | Correct | 8 ms | 7424 KB | Output is correct |
| 9 | Correct | 8 ms | 7424 KB | Output is correct |
| 10 | Correct | 9 ms | 8320 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 32 ms | 23424 KB | Output is correct |
| 2 | Correct | 31 ms | 22776 KB | Output is correct |
| 3 | Correct | 33 ms | 24796 KB | Output is correct |
| 4 | Correct | 29 ms | 23800 KB | Output is correct |
| 5 | Correct | 39 ms | 20096 KB | Output is correct |
| 6 | Correct | 26 ms | 17536 KB | Output is correct |
| 7 | Correct | 28 ms | 19960 KB | Output is correct |
| 8 | Correct | 10 ms | 7680 KB | Output is correct |
| 9 | Correct | 16 ms | 11520 KB | Output is correct |
| 10 | Correct | 27 ms | 18176 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 84 ms | 55544 KB | Output is correct |
| 2 | Correct | 77 ms | 52600 KB | Output is correct |
| 3 | Correct | 100 ms | 59768 KB | Output is correct |
| 4 | Correct | 82 ms | 54488 KB | Output is correct |
| 5 | Correct | 103 ms | 46456 KB | Output is correct |
| 6 | Correct | 70 ms | 47236 KB | Output is correct |
| 7 | Correct | 66 ms | 44152 KB | Output is correct |
| 8 | Correct | 13 ms | 8192 KB | Output is correct |
| 9 | Correct | 14 ms | 8192 KB | Output is correct |
| 10 | Correct | 80 ms | 39512 KB | Output is correct |
| 11 | Correct | 104 ms | 52728 KB | Output is correct |
| 12 | Correct | 21 ms | 12792 KB | Output is correct |