Submission #1066136

#	Time	Username	Problem	Language	Result	Execution time	Memory
1066136		aufan	Bigger segments (IZhO19_segments)	C++17	0 / 100	1 ms	348 KiB

segments

#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second

using namespace std;

int32_t main()
{
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        
        int n;
        cin >> n;

        vector<int> a(n + 1);
        for (int i = 1; i <= n; i++) cin >> a[i];
        
        vector<int> p(n + 1);
        for (int i = 1; i <= n; i++) p[i] = p[i - 1] + a[i];

        int ans = 1;
        for (int i = 2, j = 1, k = 0; i <= n; i++) {
                if (p[i] - p[j] >= p[j] - p[k]) {
                        while (j + 1 <= i && p[i] - p[j + 1] >= p[j + 1] - p[k]) {
                                j += 1;
                        }
                        k = j;
                        j = i;

                        ans += 1;
                }
        }

        cout << ans << '\n';
        
        return 0;
}

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