You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

27 lines
578 B

#include <bits/stdc++.h>
using namespace std;
const int N = 3010;
int a[N], b[N], f[N], n;
int main() {
cin >> n;
for (int i = 1; i <= n; i++) cin >> a[i];
for (int i = 1; i <= n; i++) cin >> b[i];
for (int i = 1; i <= n; i++) {
int maxv = 1;
for (int j = 1; j <= n; j++) {
if (a[i] == b[j]) f[j] = max(maxv, f[j]);
if (a[i] > b[j]) maxv = max(f[j] + 1, maxv);
}
}
int res = 0;
for (int i = 1; i <= n; i++) res = max(res, f[i]);
cout << res << endl;
return 0;
}