#include <bits/stdc++.h>
#define all(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
using namespace std;
const int N = 500100;
string s[N];
int n, ans = 0;
bool ok(int i, int j){
int ned = max(sz(s[i]), sz(s[j])) - 1;
int lf = 0;
while (lf < min(sz(s[i]), sz(s[j])) && s[i][lf] == s[j][lf])
lf++;
return bool(lf >= ned);
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
#ifdef _LOCAL
freopen("in.txt","r",stdin);
#endif // _LOCAL
cin >> n;
for (int i = 0; i < n; i++){
cin >> s[i];
reverse(all(s[i]));
}
sort(s, s + n);
for (int i = 0; i < n; ){
int j = i + 1;
while (j < n && ok(j - 1, j))
j++;
ans = max(ans, j - i);
i = j;
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
14 ms |
16000 KB |
Output isn't correct |
2 |
Correct |
16 ms |
16000 KB |
Output is correct |
3 |
Incorrect |
13 ms |
16000 KB |
Output isn't correct |
4 |
Incorrect |
267 ms |
18680 KB |
Output isn't correct |
5 |
Correct |
32 ms |
21760 KB |
Output is correct |
6 |
Incorrect |
17 ms |
17304 KB |
Output isn't correct |
7 |
Incorrect |
17 ms |
17060 KB |
Output isn't correct |
8 |
Incorrect |
16 ms |
16880 KB |
Output isn't correct |
9 |
Incorrect |
40 ms |
22236 KB |
Output isn't correct |
10 |
Incorrect |
16 ms |
17092 KB |
Output isn't correct |