#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp>
#define ll long long
#define int long long
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define repin rep(i,0,n)
#define di(a) int a;cin>>a;
#define precise(i) cout<<fixed<<setprecision(i)
#define vi vector<int>
#define si set<int>
#define mii map<int,int>
#define take(a,n) for(int j=0;j<n;j++) cin>>a[j];
#define give(a,n) for(int j=0;j<n;j++) cout<<a[j]<<' ';
#define vpii vector<pair<int,int>>
#define sis string s;
#define sin string s;cin>>s;
#define db double
#define be(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define pob pop_back
#define ff first
#define ss second
#define lb lower_bound
#define ub upper_bound
#define bpc(x) __builtin_popcountll(x)
#define btz(x) __builtin_ctz(x)
using namespace std;
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update> ordered_set;
typedef tree<pair<int, int>, null_type,less<pair<int, int> >, rb_tree_tag,tree_order_statistics_node_update> ordered_multiset;
const long long INF=1e18;
const long long M=1e9+7;
const long long MM=998244353;
int power( int N, int M){
int power = N, sum = 1;
if(N == 0) sum = 0;
while(M > 0){if((M & 1) == 1){sum *= power;}
power = power * power;M = M >> 1;}
return sum;
}
const int SZ= 5000005;
int nex[SZ][26], en[SZ], num = 0;
vi h(SZ);
int n;
int cnt = 0;
vector<char> ans;
void ins(string &s) {
int cur = 0;
int n = s.length();
repin {
if (!nex[cur][s[i]-'a']) nex[cur][s[i]-'a'] = ++num;
cur = nex[cur][s[i]-'a'];
if(i==n-1)en[cur]++;
}
}
void get(int cur){
rep(i,0,26){
if(nex[cur][i]){
get(nex[cur][i]);
h[cur]=max(h[cur],h[nex[cur][i]]+1);
}
}
}
void dfs(int cur){
if(en[cur]){ans.pb('P');cnt++;}
vpii v;
rep(i,0,26){
if(nex[cur][i]){
v.pb({h[nex[cur][i]],i});
}
}
sort(be(v));
for(auto x : v){
int i = x.ss;
char c = 'a'+i;
ans.pb(c);
dfs(nex[cur][i]);
if(cnt!=n)ans.pb('-');
}
}
void solve()
{
cin>>n;
repin{
string s;
cin>>s;
ins(s);
}
get(0);
dfs(0);
cout<<ans.size()<<endl;
for(auto x : ans)cout<<x<<endl;
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
#ifdef NCR
init();
#endif
#ifdef SIEVE
sieve();
#endif
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
39380 KB |
Output is correct |
2 |
Correct |
14 ms |
39404 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
39380 KB |
Output is correct |
2 |
Correct |
14 ms |
39380 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
39508 KB |
Output is correct |
2 |
Correct |
14 ms |
39508 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
39508 KB |
Output is correct |
2 |
Correct |
14 ms |
39380 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
39508 KB |
Output is correct |
2 |
Correct |
22 ms |
40192 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
29 ms |
40916 KB |
Output is correct |
2 |
Correct |
35 ms |
41356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
69 ms |
44948 KB |
Output is correct |
2 |
Correct |
136 ms |
51276 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
156 ms |
53452 KB |
Output is correct |
2 |
Correct |
57 ms |
42452 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
368 ms |
74576 KB |
Output is correct |
2 |
Correct |
842 ms |
120080 KB |
Output is correct |
3 |
Correct |
441 ms |
80924 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
323 ms |
66928 KB |
Output is correct |
2 |
Correct |
964 ms |
135424 KB |
Output is correct |
3 |
Correct |
501 ms |
86492 KB |
Output is correct |
4 |
Correct |
899 ms |
129884 KB |
Output is correct |