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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define mp make_pair
  4. typedef long long ll;
  5. map<ll,bool> m;
  6. const ll MOD=1e16+7;
  7. int main()
  8. {
  9.     int n; cin>>n;
  10.     for(int i=0;i<n;i++)
  11.     {
  12.         string s; cin>>s;
  13.         ll hash=0;
  14.         for(int j=0;j<s.size();j++)
  15.         {
  16.             hash=hash*4+(ll)(s[j]-'a'+1);
  17.             hash=hash%MOD;
  18.         }
  19.         m[hash]=true;
  20.     }
  21.     int m; cin>>m;
  22.     for(int i=0;i<m;i++)
  23.     {
  24.         bool flag=false;
  25.         string s; cin>>s;
  26.         ll hash=0;
  27.         for(int j=0;j<s.size();j++)
  28.         {
  29.             hash=hash*4+(ll)(s[j]-'a'+1);
  30.             hash=hash%MOD;
  31.         }
  32.         ll z=1;
  33.         for(int j=s.size()-1;j>=0;j--)
  34.         {
  35.             for(char c='a';c<='c';c++)
  36.             {
  37.                 if(c!=s[j])
  38.                 {
  39.                     ll hash1=hash;
  40.                     hash1-=(ll)(((s[j]-'a'+1)*z)%MOD);
  41.                     hash1+=(ll)(((c-'a'+1)*z)%MOD);
  42.                     hash1=(hash1+MOD)%MOD;
  43.  
  44.                     if(m[hash1])
  45.                     {
  46.                         flag=true;
  47.                         break;
  48.                     }
  49.                 }
  50.             }
  51.             if(flag==true)
  52.                 break;
  53.             z=z*4;
  54.             z=z%MOD;
  55.         }
  56.         if(flag==true)
  57.             cout<<"YES";
  58.         else
  59.             cout<<"NO";
  60.         cout<<endl;
  61.     }
  62.     return 0;
  63. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp: In function 'int main()':
prog.cpp:44:31: error: invalid types 'int[ll {aka long long int}]' for array subscript
                     if(m[hash1])
                               ^
stdout 
Standard output is empty
https://ideone.com/DKJ2P3
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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