# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
473003 | MamdouhN | Lozinke (COCI17_lozinke) | C++14 | 1101 ms | 65540 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"
int n,ans;
string password[20005];
//map<string,bool>idk;
map<string,map<string,bool>>idk;
void get_subs(string s)
{
string x;
for(int i=0;i<s.size();i++)
{
x+=s[i];
idk[s][x]=1;
string y;
int j = i;
while(j>=0&&y.size()<s.size())
{
y=s[j]+y;
idk[s][y]=1;
j--;
}
}
}
void check(string a,string b)
{
if(idk[a][b])ans++;
}
main()
{
cin>>n;
for(int i=0;i<n;i++)cin>>password[i];
for(int i=0;i<n;i++)
{
get_subs(password[i]);
}
for(int i=0;i<n;i++)
{
for(int j=i+1;j<n;j++)
{
if(j==i)continue;
check(password[i],password[j]);
check(password[j],password[i]);
}
}
cout<<ans<<endl;
}
Compilation message (stderr)
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