Submission #497464

#	Time	Username	Problem	Language	Result	Execution time	Memory
497464		Mukhitali	Bigger segments (IZhO19_segments)	C++17	27 / 100	55 ms	16448 KiB

segments

//bit chass 1
#include <bits/stdc++.h>

#define x first
#define y second
#define el "\n"
#define ll long long
#define pb push_back
#define pll pair <ll, ll>
#define pii pair <int, int>
#define all(x) x.begin(), x.end()
#define lcm(x,y) x * y / __gcd(x, y)
#define ibase ios_base::sync_with_stdio(0), cin.tie(0)

using namespace std;

const int N = 1e3 + 5, inf = 1e9 + 7, M = 2e6, MM = 2e6 + 5, K = 300;
const ll MI = 2e18, mm = 1e15;
const double P = 3.14;

ll a[N];
ll d[N][N];

void solve() {
	int n, l = 1;
	cin >> n;
	for (int i = 0; i <= 1000; i++)
		for (int j = 0; j <= 1000; j++)
			d[i][j] = mm;
	for (int i = 1; i <= n; i++)
		cin >> a[i], a[i] += a[i - 1];
	d[0][0] = 0;
	for (int i = 1; i <= n; i++) {
		for (int j = 0; j < i; j++) {
			for (int k = 0; k <= l; k++) {
				if (d[j][k] != mm && d[j][k] <= a[i] - a[j])
					d[i][k + 1] = min(d[i][k + 1], a[i] - a[j]), l = max(l, k + 1);
			}
		}
	}
	int ans = 0;
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= n; j++)
			if (d[i][j] != mm)
				ans = max(ans, j);
	}
	cout << ans;
}

int main() {
	ibase;
	int T = 1;
//	cin >> T;
	for (int i = 1; i <= T; i++) {
//		cout << "Case " << i << ": ";
		solve();
		cout << el;
	}
}

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 0 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27