#include <bits/stdc++.h>
using namespace std;
#define FIO ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define pb push_back
#define fi first
#define se second
const int N = 1e5 + 5;
const ll MOD = 1e9 + 7;
const ll INF = 1e9;
string lo;
bool cmp(string &a, string &b){
for(int i=0; i<lo.length(); i++){
if(a[i]==b[i]){
if(a[i]!=lo[i]) break;
}
else{
if(a[i]==lo[i]) return 1;
if(b[i]==lo[i]) return 0;
}
}
return a>b;
}
int main(){
FIO;
int n; cin>>n;
vector<string> s(n);
int l=0;
for(int i=0; i<n; i++){
cin>>s[i];
if(s[i].size()>l){
l=s[i].size();
lo=s[i];
}
}
sort(s.begin(),s.end(),cmp);
l=s[n-1].length();
vector<char> d;
for(int i=0; i<s[n-1].length(); i++) d.pb(s[n-1][i]);
d.pb('P');
for(int i=n-2; i>=0; i--){
int v=0;
for(int j=0; j<min(s[i].length(),s[i+1].length()); j++){
if(s[i][j]==s[i+1][j]) v++;
else break;
}
for(int j=0; j<l-v; j++) d.pb('-');
for(int j=v; j<s[i].length(); j++) d.pb(s[i][j]);
d.pb('P');
l=s[i].length();
}
cout<<d.size()<<'\n';
for(auto a : d){
cout<<a<<'\n';
}
return 0;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |