#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 500
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1000000007;//998244353;
const ll inf=1e18*4;
const ld pai=acos(-1);
int n,MX;
string x;
struct NODE{
int dp,yes;
NODE *ch[29];
NODE(){
dp=yes=0;
for(int i=0;i<26;i++)ch[i]=NULL;
}
}*root=new NODE;
void add(NODE *node,int pos,int end){
if(pos==end){
node->yes=1;
return ;
}
int id=x[pos]-'a';
if(node->ch[id]==NULL)node->ch[id]=new NODE;
add(node->ch[id],pos+1,end);
}
void query(NODE *node){
int sum=0;
for(int i=0;i<26;i++){
if(node->ch[i]==NULL)C;
query(node->ch[i]);
sum+=node->ch[i]->dp;
}
if(node->yes)sum++,node->dp=sum;
MX=max(MX,sum);
}
int main(){
cin>>n;
for(int i=0;i<n;i++){
cin>>x;
reverse(x.begin(),x.end());
add(root,0,x.size());
}
query(root);
cout<<MX<<endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
632 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Incorrect |
587 ms |
156764 KB |
Output isn't correct |
5 |
Correct |
202 ms |
3900 KB |
Output is correct |
6 |
Incorrect |
143 ms |
91288 KB |
Output isn't correct |
7 |
Incorrect |
136 ms |
90904 KB |
Output isn't correct |
8 |
Incorrect |
146 ms |
90756 KB |
Output isn't correct |
9 |
Incorrect |
333 ms |
96988 KB |
Output isn't correct |
10 |
Incorrect |
134 ms |
90636 KB |
Output isn't correct |