Submission #1363243

#	Time	Username	Problem	Language	Result	Execution time	Memory
1363243		vlad7654	Bigger segments (IZhO19_segments)	C++20	0 / 100	0 ms	344 KiB

segments

#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main() {
    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    vector<int> dp(n + 1, 0);
    vector<int> min_s(n + 1, 0);
    vector<int> pref(n + 1, 0);

    for (int i = 0; i < n; i++) pref[i+1] = pref[i] + a[n-1-i];
    int j = 0;
    for (int i = 1; i <= n; i++) {
        while (j + 1 < i and pref[i] - pref[j+1] >= min_s[j+1]) {
            j++;
        }
        dp[i] = dp[j] + 1;
        min_s[i] = pref[i] - pref[j];
    }
    cout << dp[n];
}

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