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Submission #926558

# Submission time Handle Problem Language Result Execution time Memory
926558 2024-02-13T09:37:34 Z boyliguanhan Palindromes (APIO14_palindrome) C++17
100 / 100
 39 ms 70876 KB 
#include<bits/stdc++.h>
#define N 300100
using namespace std;
long long S[N],ans,c,m;
struct T {
    long long t[N][26],li[N],len[N],oc[N],sz,lst;
    T(){sz=li[0]=li[1]=1;len[1]=-1;}
    void add(int c) {
        int p = lst;S[++m]=c;
        while (S[m-1-len[p]]-c)p=li[p];
        if (!t[p][c]) {
            int q=li[p];
            while(S[m-len[q]-1]-c)q=li[q];
            li[++sz]=t[q][c];
            len[t[p][c]=sz]=len[p]+2;
        }
        oc[lst=t[p][c]]++;
    }
} X; 
int main() {
    memset(S,1,sizeof S);
    c=getchar();
    while(c!='\n') X.add(c-'a'),c=getchar();
    for(int x=X.sz;~x;x--)
        X.oc[X.li[x]]+=X.oc[x];
    for(int x=X.sz;~x;x--)
        ans=max(ans,X.len[x]*X.oc[x]);
    cout<<ans<<'\n';
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 9048 KB Output is correct
2 Correct 1 ms 9052 KB Output is correct
3 Correct 1 ms 9052 KB Output is correct
4 Correct 1 ms 9052 KB Output is correct
5 Correct 1 ms 9052 KB Output is correct
6 Correct 1 ms 9052 KB Output is correct
7 Correct 1 ms 9052 KB Output is correct
8 Correct 2 ms 9052 KB Output is correct
9 Correct 1 ms 9052 KB Output is correct
10 Correct 2 ms 9052 KB Output is correct
11 Correct 1 ms 9052 KB Output is correct
12 Correct 1 ms 9052 KB Output is correct
13 Correct 1 ms 9048 KB Output is correct
14 Correct 1 ms 9052 KB Output is correct
15 Correct 1 ms 9052 KB Output is correct
16 Correct 2 ms 9052 KB Output is correct
17 Correct 1 ms 9052 KB Output is correct
18 Correct 1 ms 9052 KB Output is correct
19 Correct 1 ms 9052 KB Output is correct
20 Correct 1 ms 9052 KB Output is correct
21 Correct 1 ms 9052 KB Output is correct
22 Correct 1 ms 9052 KB Output is correct
23 Correct 1 ms 9052 KB Output is correct
24 Correct 2 ms 9052 KB Output is correct
25 Correct 1 ms 9052 KB Output is correct
26 Correct 1 ms 9048 KB Output is correct
27 Correct 1 ms 9052 KB Output is correct
28 Correct 2 ms 9052 KB Output is correct
29 Correct 2 ms 9048 KB Output is correct
30 Correct 1 ms 9052 KB Output is correct
31 Correct 1 ms 9052 KB Output is correct
32 Correct 1 ms 9052 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9308 KB Output is correct
2 Correct 2 ms 9308 KB Output is correct
3 Correct 1 ms 9308 KB Output is correct
4 Correct 2 ms 9560 KB Output is correct
5 Correct 2 ms 9308 KB Output is correct
6 Correct 2 ms 9304 KB Output is correct
7 Correct 1 ms 9308 KB Output is correct
8 Correct 1 ms 9308 KB Output is correct
9 Correct 2 ms 9308 KB Output is correct
10 Correct 1 ms 9052 KB Output is correct
11 Correct 1 ms 9052 KB Output is correct
12 Correct 1 ms 9308 KB Output is correct

Subtask #3
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 13148 KB Output is correct
2 Correct 3 ms 13404 KB Output is correct
3 Correct 2 ms 13148 KB Output is correct
4 Correct 3 ms 13336 KB Output is correct
5 Correct 2 ms 13148 KB Output is correct
6 Correct 2 ms 13148 KB Output is correct
7 Correct 3 ms 13148 KB Output is correct
8 Correct 2 ms 9052 KB Output is correct
9 Correct 1 ms 9052 KB Output is correct
10 Correct 2 ms 10332 KB Output is correct

Subtask #4
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 31324 KB Output is correct
2 Correct 10 ms 31324 KB Output is correct
3 Correct 10 ms 31516 KB Output is correct
4 Correct 10 ms 31440 KB Output is correct
5 Correct 12 ms 31324 KB Output is correct
6 Correct 10 ms 25948 KB Output is correct
7 Correct 10 ms 28252 KB Output is correct
8 Correct 3 ms 9308 KB Output is correct
9 Correct 5 ms 15960 KB Output is correct
10 Correct 11 ms 28252 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 70748 KB Output is correct
2 Correct 28 ms 70752 KB Output is correct
3 Correct 27 ms 70744 KB Output is correct
4 Correct 29 ms 70748 KB Output is correct
5 Correct 39 ms 70876 KB Output is correct
6 Correct 25 ms 65372 KB Output is correct
7 Correct 26 ms 61780 KB Output is correct
8 Correct 5 ms 9308 KB Output is correct
9 Correct 5 ms 9380 KB Output is correct
10 Correct 30 ms 61016 KB Output is correct
11 Correct 26 ms 70744 KB Output is correct
12 Correct 7 ms 16988 KB Output is correct