Submission #861587

#	Time	Username	Problem	Language	Result	Execution time	Memory
861587		Halym2007	Bigger segments (IZhO19_segments)	C++11	0 / 100	1 ms	2648 KiB

segments

#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int N = 5e5 + 5;
ll dp[N], p[N], a[N], val[N];
ll ind;
int main () {
//	freopen("input.txt", "r", stdin);
	ll n;
	cin >> n;
	for (ll i = 1; i <= n; ++i) {
		cin >> a[i];
		p[i] = a[i] + p[i - 1];
	}
	ind = 0;
	for (ll i = 1; i <= n; ++i) {
		while (ind < i and p[i] - p[ind] >= val[ind]) {
			ind++;
		}
		dp[i] = dp[ind - 1] + 1;
		val[i] = p[i] - p[ind - 1];
//		cout << "test : " << i << " : "<< ind << " " << i << " " << dp[i] << " " << val[i] << endl;
	}
	cout << dp[n];
}

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