Submission #720341

#	Time	Username	Problem	Language	Result	Execution time	Memory
720341		Yell0	Type Printer (IOI08_printer)	C++17	100 / 100	313 ms	38484 KiB

printer

#include <bits/stdc++.h>
 
using namespace std;
typedef long long ll;
const int MN=25002;
int N,ans=0;
string w[MN];
vector<string> ss;
map<string,int> wpos;
 
int main() {
  ios::sync_with_stdio(0);cin.tie(0);
  cin>>N;
  for(int i=1;i<=N;++i) cin>>w[i];
  sort(w+1,w+1+N);
  int mx=0,mxi=0;
  for(int i=1;i<=N;++i) {
    wpos[w[i]]=i;
    if((int)w[i].size()>mx) {
      mx=w[i].size();
      mxi=i;
    }
  }
  int endp=N;
  for(int i=1;i<=(int)w[mxi].size();++i)
    for(int j=1;j<=N;++j) {
      if((int)w[j].size()<i) continue;
      if(w[j].substr(0,i)==w[mxi].substr(0,i)) wpos[w[j]]=++endp;
    }
  sort(w+1,w+1+N,[](string a,string b) {return wpos[a]<wpos[b];});
  string ct="";
  for(int i=1;i<=N;++i) {
    string cw=w[i];
    while(ct.size()>cw.size()) {
      ct.pop_back();
      ++ans;
      ss.push_back("-");
    }
    while(ct.size()<cw.size()) cw.pop_back();
    while(ct!=cw) {
      ct.pop_back();
      cw.pop_back();
      ++ans;
      ss.push_back("-");
    }
    while(ct.size()<w[i].size()) {
      ++ans;
      ss.push_back(string(1,w[i][ct.size()]));
      ct.push_back(w[i][ct.size()]);
    }
    ++ans;
    ss.push_back("P");
  }
  cout<<ans<<'\n';
  for(string s:ss) cout<<s<<'\n';
  return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10