#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
const int M=5e5;
map<char,int> e[M+10];
int en[M+10];
int mx[M+10];
void add(int x,string &s,int i,int &m)
{
if(i==s.size())
{
en[x]++;
mx[x]=max(mx[x],i);
return;
}
if(e[x][s[i]]==0)
e[x][s[i]]=++m;
add(e[x][s[i]],s,i+1,m);
mx[x]=max(mx[x],mx[e[x][s[i]]]);
return;
}
void dfs(int x,string &s,bool all)
{
while(en[x]--)
s+='P';
if(e[x].empty())
return;
int mxx=-1;
char g='a';
for(auto v:e[x])
{
if(mx[v.se]>mxx)
{
mxx=mx[v.se];
g=v.fi;
}
}
for(auto v:e[x])
{
if(v.fi!=g)
{
s+=v.fi;
dfs(v.se,s,true);
s+='-';
}
}
s+=g;
dfs(e[x][g],s,all);
if(all)
s+='-';
return;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int n,m=1;
cin>>n;
for(int i=1;i<=n;i++)
{
string s;
cin>>s;
add(1,s,0,m);
}
string ans;
dfs(1,ans,false);
cout<<ans.size()<<"\n";
for(auto v:ans)
cout<<v<<"\n";
return 0;
}
Compilation message
printer.cpp: In function 'void add(int, std::string&, int, int&)':
printer.cpp:11:6: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
11 | if(i==s.size())
| ~^~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
14 ms |
23756 KB |
Output is correct |
2 |
Correct |
13 ms |
23812 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
23816 KB |
Output is correct |
2 |
Correct |
12 ms |
23756 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
15 ms |
23816 KB |
Output is correct |
2 |
Correct |
16 ms |
23804 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
15 ms |
23812 KB |
Output is correct |
2 |
Correct |
14 ms |
23756 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
23764 KB |
Output is correct |
2 |
Correct |
14 ms |
24012 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
17 ms |
24140 KB |
Output is correct |
2 |
Correct |
19 ms |
24276 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
26 ms |
25292 KB |
Output is correct |
2 |
Correct |
31 ms |
27212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
44 ms |
27796 KB |
Output is correct |
2 |
Correct |
24 ms |
24712 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
70 ms |
33848 KB |
Output is correct |
2 |
Correct |
131 ms |
46712 KB |
Output is correct |
3 |
Correct |
90 ms |
35936 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
69 ms |
31712 KB |
Output is correct |
2 |
Correct |
153 ms |
51048 KB |
Output is correct |
3 |
Correct |
95 ms |
37476 KB |
Output is correct |
4 |
Correct |
126 ms |
49512 KB |
Output is correct |