Submission #928998

#	Time	Username	Problem	Language	Result	Execution time	Memory
928998		NourWael	Lozinke (COCI17_lozinke)	C++17	100 / 100	356 ms	16720 KiB

lozinke

#include <bits/stdc++.h>
#define int long long
using namespace std; 
map<string,int> mp;
string a[20005];

signed main() {
  
  int n; cin>>n;

  for(int i=0; i<n; i++){
    string s; cin>>s;
    a[i] = s;
    mp[s]++;
  }
  
  int ans = 0;
  for(int i=0; i<n; i++){
   string s = a[i];
   set<string> st;

    for(int j=0; j<s.size(); j++){
      string t = "";
      for(int k=j; k<s.size(); k++) {
          t+=s[k];
          if(st.find(t)==st.end()) ans += mp[t];
          st.insert(t);
      }
    }
    ans--;
  }
  cout<<ans;
 
  return 0;
}

Compilation message (stderr)

lozinke.cpp: In function 'int main()':
lozinke.cpp:22:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for(int j=0; j<s.size(); j++){
      |                  ~^~~~~~~~~
lozinke.cpp:24:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |       for(int k=j; k<s.size(); k++) {
      |                    ~^~~~~~~~~

• Subtask 1: 100 / 100