#include<bits/stdc++.h>
#define ll long long
#define mp make_pair
#define pub push_back
#define pob pop_back
#define ss second
#define ff first
#define ext exit(0)
using namespace std;
struct trie{
trie *next[26];
ll h,door;
trie(){
for(int i=0;i<26;i++) next[i]=NULL;
h=-1;
door=0;
}
};
ll n,zr[26];
string s[111111];
vector<pair<ll,ll> >v;
vector<char>ans;
void insert(trie *root,string s){
for(int i=0;i<s.size();i++){
if(root->next[s[i]-'a']==NULL){
root->next[s[i]-'a']=new trie();
}
root=root->next[s[i]-'a'];
ll oo=s.size()-i-1;
root->door=max(oo,root->door);
}
root->h=1;
}
void nem(trie* root){
if(root->h==1) ans.pub('P');
vector<pair<ll,ll> >kkkk;
for(int i=0;i<26;i++){
if(root->next[i]!=NULL){
kkkk.pub(mp(root->next[i]->door,i));
}
}
sort(kkkk.begin(),kkkk.end());
for(int i=0;i<kkkk.size();i++) {
ans.pub(kkkk[i].ss+'a');
nem(root->next[kkkk[i].ss]);
ans.pub('-');
}
}
void solv(ll k,trie *root){
root=root->next[k];
ans.pub(char(k+'a'));
nem(root);
}
int main (){
trie *root=new trie();
cin>>n;
for(int i=1;i<=n;i++){
cin>>s[i];
ll oo=s[i].size();
zr[s[i][0]-'a']=max(zr[s[i][0]-'a'],oo);
insert(root,s[i]);
}
for(int i=0;i<26;i++) v.pub(mp(zr[i],i));
sort(v.begin(),v.end());
for(int i=0;i<26;i++){
if(v[i].ff)solv(v[i].ss,root),ans.pub('-');
}
while(ans.back()=='-') ans.pop_back();
cout<<ans.size()<<"\n";
for(int i=0;i<ans.size();i++){
cout<<ans[i]<<"\n";
}
}
Compilation message
printer.cpp: In function 'void insert(trie*, std::__cxx11::string)':
printer.cpp:24:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<s.size();i++){
~^~~~~~~~~
printer.cpp: In function 'void nem(trie*)':
printer.cpp:43:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<kkkk.size();i++) {
~^~~~~~~~~~~~
printer.cpp: In function 'int main()':
printer.cpp:70:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<ans.size();i++){
~^~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
3832 KB |
Output is correct |
2 |
Correct |
6 ms |
3832 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
3900 KB |
Output is correct |
2 |
Correct |
6 ms |
3904 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
3932 KB |
Output is correct |
2 |
Correct |
8 ms |
4032 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
4032 KB |
Output is correct |
2 |
Correct |
7 ms |
4148 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
4264 KB |
Output is correct |
2 |
Correct |
11 ms |
5040 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
5816 KB |
Output is correct |
2 |
Correct |
12 ms |
6228 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
10224 KB |
Output is correct |
2 |
Correct |
52 ms |
17444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
53 ms |
19876 KB |
Output is correct |
2 |
Correct |
34 ms |
19876 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
136 ms |
43676 KB |
Output is correct |
2 |
Correct |
276 ms |
95012 KB |
Output is correct |
3 |
Correct |
154 ms |
95012 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
120 ms |
95012 KB |
Output is correct |
2 |
Correct |
329 ms |
113172 KB |
Output is correct |
3 |
Correct |
155 ms |
113172 KB |
Output is correct |
4 |
Correct |
275 ms |
113172 KB |
Output is correct |