#include <bits/stdc++.h>
using namespace std;
ifstream fin("input.in");
ofstream fout("input.out");
int N;
string V[101];
struct TrieNode{
int nrcuv,nrfii;
TrieNode *fii[26];
TrieNode(){
nrcuv=nrfii=0;
for(int i=0;i<26;i++)
fii[i]=0;
}
};
TrieNode *root = new TrieNode;
void inserare(TrieNode *nod,char *s){
if(*s==0){
nod->nrcuv++;
return;
}
if(nod->fii[*s-'a']==0){
nod->nrfii++;
nod->fii[*s-'a'] = new TrieNode;
}
inserare(nod->fii[*s-'a'],s+1);
}
char cuvmax[21];
int rez;
int cont;
string S;
void f(TrieNode *nod,string s,char *cuv,int ok){
int p=-1;
for(int i=0;i<26;i++){
if(nod->fii[i]==0) continue;
if((char)(i+'a')==*cuv and ok==1){
p=i;
continue;
}
S+=(char)(i+'a');
if(nod->fii[i]->nrcuv!=0)
S+='P',nod->fii[i]->nrcuv=0,cont++;
f(nod->fii[i],s+(char)(i+'a'),cuv+1,0);
if(cont<N) S+='-';
}
if(p!=-1){
if(nod->fii[p]==0) return;
S+=(char)(p+'a');
if(nod->fii[p]->nrcuv!=0)
S+='P',cont++;
f(nod->fii[p],s+(char)(p+'a'),cuv+1,1);
if(cont<N) S+='-';
}
}
int main()
{
cin >> N;
for(int i=1;i<=N;i++){
char s[21];
cin >> s;
inserare(root,s);
if(strlen(s)>strlen(cuvmax))
strcpy(cuvmax,s);
}
f(root,"",cuvmax,1);
cout << S.size() << '\n';
for(auto it:S) cout << it << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 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 |
312 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
308 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
3 ms |
1108 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
1876 KB |
Output is correct |
2 |
Correct |
4 ms |
2244 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
5996 KB |
Output is correct |
2 |
Correct |
24 ms |
12496 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
30 ms |
14692 KB |
Output is correct |
2 |
Correct |
11 ms |
3412 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
74 ms |
36632 KB |
Output is correct |
2 |
Correct |
136 ms |
83724 KB |
Output is correct |
3 |
Correct |
85 ms |
43112 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
60 ms |
28596 KB |
Output is correct |
2 |
Correct |
164 ms |
99640 KB |
Output is correct |
3 |
Correct |
92 ms |
49052 KB |
Output is correct |
4 |
Correct |
144 ms |
94016 KB |
Output is correct |