#include using namespace std;int main() { ios::sync_with_stdio(0); cin.tie(0); int N; cin >> N; vector A(N); for (int i = 0; i > A[i]; } vector dp(N, 1); int result = 0; for(int i = 0; i A[i]){ dp[j] = max(dp[j], dp[i] + 1); } } result = max(result, dp[i]); } cout