#include <bits/stdc++.h>
using namespace std;
const int MAX = 2e4;
const int MOD = 1e9 + 7;
const int base = 37;
int n;
string S[MAX];
namespace subtask1
{
long long Hash[MAX][17], Pow[17];
long long getHash(int i, int l, int r)
{
return (((Hash[i][r] - Hash[i][l - 1]) * (Pow[r - l + 1])) + MOD) % MOD;
}
bool cmp(string a, string b)
{
return a.size() > b.size();
}
void solve()
{
sort(S + 1, S + n + 1, cmp);
Pow[0] = 1;
for (int i = 1; i <= 12; i++) Pow[i] = (Pow[i - 1] * base + MOD) % MOD;
for (int i = 1; i <= n; i++)
{
for (int j = 0; j < S[i].size(); j++)
{
//Hash[i][j + 1] = (Hash[i][j] * base + int(S[i][j]) - int('a') + 1 + MOD) % MOD;
Hash[i][j + 1] = (Hash[i][j] * base + int(S[i][j]) - int('a') + 1 + MOD) % MOD;
cerr << Hash[i][j + 1] << " ";
}
cerr << "\n";
}
cerr << getHash(1, 2, 2) << "\n";
int res = 0;
for (int i = 1; i <= n - 1; i++)
{
for (int j = i + 1; j <= n; j++)
{
if (S[i].size() == S[j].size() and getHash(i, 1, S[i].size()) == getHash(j, 1, S[j].size()))
{
res += 2;
continue;
}
else if (S[i].size() == S[j].size()) continue;
long long t = getHash(j, 1, S[j].size());
cerr << t << "\n";
for (int k = 1; k <= S[i].size() - S[j].size() + 1; k++)
{
if (getHash(i, k, k + S[j].size() - 1) == t)
{
res++;
break;
}
}
}
}
cout << res;
}
}
namespace sub1
{
bool cmp(string a, string b)
{
return a.size() > b.size();
}
void solve()
{
sort(S + 1, S + n + 1, cmp);
int res = 0;
for (int i = 1; i <= n - 1; i++)
for (int j = i + 1; j <= n; j++)
{
for (int ii = 0; ii < S[i].size() - S[j].size() + 1; ii++)
{
int cnt = 0;
int jj = ii;
while (S[i][jj] == S[j][cnt] and cnt < S[j].size()) jj++, cnt++;
if (cnt == S[j].size())
{
if (S[i].size() == S[j].size()) res += 2;
else res++;
}
}
}
cout << res;
}
}
int main()
{
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin >> n;
for (int i = 1; i <= n; i++)
cin >> S[i];
if (n <= 2000) sub1::solve();
}
Compilation message
lozinke.cpp: In function 'void subtask1::solve()':
lozinke.cpp:32:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
32 | for (int j = 0; j < S[i].size(); j++)
| ~~^~~~~~~~~~~~~
lozinke.cpp:55:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
55 | for (int k = 1; k <= S[i].size() - S[j].size() + 1; k++)
| ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lozinke.cpp: In function 'void sub1::solve()':
lozinke.cpp:82:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
82 | for (int ii = 0; ii < S[i].size() - S[j].size() + 1; ii++)
| ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lozinke.cpp:86:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
86 | while (S[i][jj] == S[j][cnt] and cnt < S[j].size()) jj++, cnt++;
| ~~~~^~~~~~~~~~~~~
lozinke.cpp:87:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
87 | if (cnt == S[j].size())
| ~~~~^~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
860 KB |
Output isn't correct |
| 2 |
Incorrect |
0 ms |
860 KB |
Output isn't correct |
| 3 |
Incorrect |
1 ms |
860 KB |
Output isn't correct |
| 4 |
Incorrect |
2 ms |
1088 KB |
Output isn't correct |
| 5 |
Incorrect |
9 ms |
860 KB |
Output isn't correct |
| 6 |
Incorrect |
18 ms |
1100 KB |
Output isn't correct |
| 7 |
Incorrect |
25 ms |
860 KB |
Output isn't correct |
| 8 |
Correct |
12 ms |
860 KB |
Output is correct |
| 9 |
Incorrect |
2 ms |
1116 KB |
Output isn't correct |
| 10 |
Incorrect |
1 ms |
1116 KB |
Output isn't correct |
| 11 |
Incorrect |
1 ms |
1112 KB |
Output isn't correct |
| 12 |
Incorrect |
2 ms |
1116 KB |
Output isn't correct |
| 13 |
Runtime error |
3 ms |
1884 KB |
Execution killed with signal 11 |
| 14 |
Runtime error |
2 ms |
1856 KB |
Execution killed with signal 11 |
| 15 |
Runtime error |
3 ms |
1884 KB |
Execution killed with signal 11 |
| 16 |
Runtime error |
2 ms |
1944 KB |
Execution killed with signal 11 |
| 17 |
Incorrect |
2 ms |
1116 KB |
Output isn't correct |
| 18 |
Runtime error |
2 ms |
1884 KB |
Execution killed with signal 11 |
| 19 |
Runtime error |
3 ms |
1872 KB |
Execution killed with signal 11 |
| 20 |
Runtime error |
3 ms |
1884 KB |
Execution killed with signal 11 |
