Submission #1006663

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006663		Muaath_5	Longest beautiful sequence (IZhO17_subsequence)	C++17	0 / 100	1 ms	2396 KiB

subsequence

#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
using namespace std;

const int N = 2e5+1;

int n, a[N], k[N];
int dp[N];
int prv[N];

int main()
{
	ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	cin >> n;
	for (int i = 1; i <= n; cin >> a[i++]);
	for (int i = 1; i <= n; cin >> k[i++]);
	for (int i = 1; i <= n; i++) {
		dp[i] = 1;
		for (int j = 1; j < i; j++) {
			if (__builtin_popcount(a[i]&a[j]) == k[i]) {
				dp[i] = dp[j]+1;
				prv[i] = j;
			}
		}
	}
	int idx = max_element(dp, dp+n+1)-dp;
	
	vector<int> lis;
	while (idx) {
		lis.push_back(idx);
		idx = prv[idx];
	}
	reverse(lis.begin(), lis.end());
	cout << lis.size() << '\n';
	for (int i:lis) cout << i << ' ';
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 16
• Subtask 3: 0 / 17
• Subtask 4: 0 / 60