Submission #50303

#	Time	Username	Problem	Language	Result	Execution time	Memory
50303		computerbox	Lozinke (COCI17_lozinke)	C++14	100 / 100	730 ms	95012 KiB

lozinke

 //ID:computerbox --> Hajiyev Huseyn
#include <bits/stdc++.h>
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#define _CRT_SECURE_NO_WARNINGS
//#include <boost/multiprecision/cpp_int.hpp>
//using boost::multiprecision::cpp_int;
#define FAST_READ ios_base::sync_with_stdio(0);/*cin.tie(0); cout.tie(0);*/
#define in freopen("input.txt", "r", stdin);
#define out freopen("output.txt", "w", stdout);
#define ll long long
#define debt(x,y)cout<<"#x = "<<(x)<<" and "<<"#y = "<<(y)<<endl;
#define deb(x)cout<<"#x = "<<(x)<<endl;
#define COUT(n, a) cout<< fixed << setprecision(a) << n<<endl
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define endl "\n"
#define arr(a,n) for(ll i=1;i<=n;i++) cout<<a[i]<<" "; cout << "\n";
#define vecc(a,n) for(ll i=0;i<n;i++) cout<<a[i]<<" "; cout << "\n";
#define CURTIME() cerr << clock() * 1.0 / CLOCKS_PER_SEC << endl
#define DTIME(ccc) __begin = clock(); ccc; cerr<<"Time of work = "<<(clock()-__begin)/CLOCKS_PER_SEC<<endl;
#define MAXN 500010

using namespace std;

set<ll>leaf[500010];
ll trie[27][MAXN];
ll sz;
void add_string(string stroka,ll index)
{
   ll v=0;
   for(ll i=0;i<stroka.size();i++)
   {
     if(trie[stroka[i]-'a'][v]==0)
     {
       trie[stroka[i]-'a'][v]=sz++;
     }
     v=trie[stroka[i]-'a'][v];
     leaf[v].insert(index);
   }
}

ll find(string stroka)
{
  ll v=0;
  ll ans=0;
  for(ll i=0;i<stroka.size();i++)
  {
    v=trie[stroka[i]-'a'][v];
  }
  ans=leaf[v].size();
  return ans-1;
}

ll n;
vector<string>nuj;
string stroka;
string abc;
int main(){
FAST_READ;
cin.tie(0);
cin>>n;

sz=1;
for(ll i=1;i<=n;i++)
{
  cin>>stroka;
  string neww="";
  for(ll j=0;j<(ll)stroka.size();j++)
  {
    neww="";
     for(ll jj=j;jj<(ll)stroka.size();jj++)
     {
      neww+=stroka[jj];
      //debt(neww,j);
      add_string(neww,i);
     }
  }

  nuj.pb(stroka);
}

ll cnt=0;
for(ll i=0;i<nuj.size();i++)
{
  ll ans=find(nuj[i]);
  //deb(ans);
  cnt=cnt+ans;
}
cout<<cnt<<endl;



return 0;
} 

Compilation message (stderr)

lozinke.cpp: In function 'void add_string(std::__cxx11::string, long long int)':
lozinke.cpp:33:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(ll i=0;i<stroka.size();i++)
               ~^~~~~~~~~~~~~~
lozinke.cpp: In function 'long long int find(std::__cxx11::string)':
lozinke.cpp:48:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(ll i=0;i<stroka.size();i++)
              ~^~~~~~~~~~~~~~
lozinke.cpp: In function 'int main()':
lozinke.cpp:85:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 for(ll i=0;i<nuj.size();i++)
            ~^~~~~~~~~~~

• Subtask 1: 100 / 100