Submission #486577

#	Time	Username	Problem	Language	Result	Execution time	Memory
486577		ez_ioi	Longest beautiful sequence (IZhO17_subsequence)	C++17	0 / 100	0 ms	332 KiB

subsequence

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

const int mxN = 2e3 + 5, mod = 1e9 + 7, LOG = 20;

int n;
ll a[mxN], dp[mxN][mxN];

int main() {
	ios :: sync_with_stdio(false), cin.tie(nullptr);
	cin >> n;
	for (int i = 1; i <= n; ++i) cin >> a[i];
	for (int i = 1; i <= n; ++i) {
		dp[i][1] = max(dp[i - 1][1], a[i]);
		for (int j = 2; j <= i && i - j > 0; ++j)
			dp[i][j] = max(dp[i - 1][j], dp[i - 2][j - 1] + a[i]);
	}
	for (int i = 1; i <= (n + 1) / 2; ++i) cout << dp[n][i] << '\n';
	return 0;
}

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