oj.uz

Submission #165185

# Submission time Handle Problem Language Result Execution time Memory
165185 2019-11-25T16:34:16 Z theStaticMind Lozinke (COCI17_lozinke) C++14
100 / 100
 586 ms 19448 KB 
#include<bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
#define int long long int
using namespace std;

int32_t main(){
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);
 //     freopen("q.gir","r",stdin);
 //     freopen("q.cik","w",stdout);
      int n;
      cin>>n;
      vector<string>arr(n);
      vector<int>H[n],h[n],Hh[n];
      map<int,int>data;
      for(int i=0;i<n;i++){
            string s;
            set<int> S;
            cin>>s;
            arr[i]=s;
            H[i].resize(s.length()+1,0);
            Hh[i]=h[i]=H[i];
            for(int j=1;j<=s.length();j++){
                  H[i][j]=(H[i][j-1]*29+s[j-1]-'a'+1)%modulo;
                  h[i][j]=(h[i][j-1]*31+s[j-1]-'a'+1);
                  Hh[i][j]=(Hh[i][j-1]*53+s[j-1]-'a'+1)%(modulo+2);
            }
            int K=29,T=31,X=53;
            for(int j=1;j<=s.length();j++){
                  K=29,T=31,X=53;
                  for(int k=j-1;k>=0;k--){
                        S.insert((H[i][j]-H[i][k]*K%modulo+modulo)%modulo+(h[i][j]-h[i][k]*T)+(Hh[i][j]-Hh[i][k]*X%(modulo+2)+(modulo+2))%(modulo+2));
                        K=K*29%modulo;
                        T=T*31;
                        X=X*53%(modulo+2);
                  }
            }
            for(set<int>::iterator itr=S.begin();itr!=S.end();itr++){
                  data[*itr]++;
            }
      }
      int ans=0;
      for(int i=0;i<n;i++){
            ans+=data[H[i].back()+h[i].back()+Hh[i].back()]-1;
      }
      cout<<ans;
}

Compilation message

lozinke.cpp: In function 'int32_t main()':
lozinke.cpp:29:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int j=1;j<=s.length();j++){
                         ~^~~~~~~~~~~~
lozinke.cpp:35:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int j=1;j<=s.length();j++){
                         ~^~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 8 ms 1016 KB Output is correct
6 Correct 12 ms 1144 KB Output is correct
7 Correct 16 ms 1784 KB Output is correct
8 Correct 27 ms 2552 KB Output is correct
9 Correct 64 ms 4600 KB Output is correct
10 Correct 151 ms 9180 KB Output is correct
11 Correct 102 ms 7416 KB Output is correct
12 Correct 373 ms 18424 KB Output is correct
13 Correct 168 ms 8644 KB Output is correct
14 Correct 264 ms 17336 KB Output is correct
15 Correct 586 ms 19448 KB Output is correct
16 Correct 163 ms 8188 KB Output is correct
17 Correct 51 ms 8056 KB Output is correct
18 Correct 41 ms 7288 KB Output is correct
19 Correct 234 ms 12900 KB Output is correct
20 Correct 87 ms 6776 KB Output is correct