Submission #1096874

#	Time	Username	Problem	Language	Result	Execution time	Memory
1096874		Muhammet	Bigger segments (IZhO19_segments)	C++17	37 / 100	1577 ms	87644 KiB

segments

#include <bits/stdc++.h>

using namespace std;

int main(){
	int n;
	cin >> n;
	vector <long long> a(n+1), p(n+1, 0);
	for(int i = 1; i <= n; i++){
		cin >> a[i];
		p[i] = p[i-1] + a[i];
	}
	vector <vector <long long>> v, v1;
	v.resize(n+1);
	v1.resize(n+1);
	for(int i = 1; i <= n; i++){
		long long s = 0;
		for(int j = i-1; j >= 1; j--){
			s += a[j+1];
			int t = upper_bound(v[j].begin(), v[j].end(), s) - v[j].begin();
			if(t != 0){
				v[i].push_back(s);
				v1[i].push_back(v1[j][t-1]+1);
 			}
		}
		s += a[1];
		v[i].push_back(s);
		v1[i].push_back(1);
		for(int j = 1; j < (int)v1[i].size(); j++){
			v1[i][j] = max(v1[i][j],v1[i][j-1]);
		}
	}
	cout << v1[n].back();
}

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