简单简单

#include <bits/stdc++.h>
using namespace std;
int n;
int a[1007];
int dp[1007];
int main() {
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i];
}
int ans = 0;
for (int i = 1; i <= n; i++) {
dp[i] = 1;
for (int j = 1; j <= i; j++) {
if (a[j] < a[i]) {
dp[i] = max(dp[i], dp[j] + 1);
}
}
ans = max(ans, dp[i]);
}
cout << ans << endl;
}