#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pcc pair<char,char>
#define vi vector <int>
#define vl vector <ll>
#define sd(x) scanf("%d",&x)
#define slld(x) scanf("%lld",&x)
#define pd(x) printf("%d",x)
#define plld(x) printf("%lld",x)
#define pds(x) printf("%d ",x)
#define pllds(x) printf("%lld ",x)
#define pdn(x) printf("%d\n",x)
#define plldn(x) printf("%lld\n",x)
using namespace std;
ll powmod(ll base,ll exponent,ll mod){
ll ans=1;
if(base<0) base+=mod;
while(exponent){
if(exponent&1)ans=(ans*base)%mod;
base=(base*base)%mod;
exponent/=2;
}
return ans;
}
ll gcd(ll a, ll b){
if(b==0) return a;
else return gcd(b,a%b);
}
const int INF = 2e9;
const ll INFLL = 4e18;
const int upperlimit = 5e5+10;
const int mod = 1e9+7;
const int letters = 26;
int trie[upperlimit][letters];
bool to_print[upperlimit];
int maxlenchar[upperlimit];
int maxlen[upperlimit];
int node_cnt=0;
void addstring(string s){
int node = 0,n=s.size();
for(int i = 0; i < n; i++){
if(maxlen[node] < n-i){
maxlen[node] = n-i;
maxlenchar[node] = s[i]-'a';
}
if(! trie[node][s[i]-'a']) trie[node][s[i]-'a']=++node_cnt;
node=trie[node][s[i]-'a'];
}
to_print[node]=true;
}
void dfs(int node,int cur,bool del){
if(node){
char c = 'a'+cur;
cout << c << "\n";
}
if(to_print[node]) cout << "P\n";
for(int i = 0; i < letters; i++) if((trie[node][i])&&(i != maxlenchar[node])) dfs(trie[node][i],i,true);
if(maxlen[node]) dfs(trie[node][maxlenchar[node]],maxlenchar[node],del);
if(del) cout << "-\n";
}
int main(){
int n;
string s;
cin >> n;
for(int i = 1; i <= n; i++){
cin >> s;
addstring(s);
}
cout << (2*node_cnt)+n-maxlen[0] << "\n";
dfs(0,0,false);
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
308 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
304 KB |
Output is correct |
2 |
Correct |
2 ms |
724 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
1080 KB |
Output is correct |
2 |
Correct |
3 ms |
1236 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
3204 KB |
Output is correct |
2 |
Correct |
38 ms |
6476 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
27 ms |
7628 KB |
Output is correct |
2 |
Correct |
10 ms |
1876 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
69 ms |
18764 KB |
Output is correct |
2 |
Correct |
117 ms |
42828 KB |
Output is correct |
3 |
Correct |
95 ms |
22272 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
45 ms |
14800 KB |
Output is correct |
2 |
Correct |
165 ms |
51020 KB |
Output is correct |
3 |
Correct |
71 ms |
25264 KB |
Output is correct |
4 |
Correct |
119 ms |
48084 KB |
Output is correct |