Submission #1323380

#	Time	Username	Problem	Language	Result	Execution time	Memory
1323380		kawhiet	Labels (NOI20_labels)	C++20	100 / 100	33 ms	4720 KiB

Labels

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

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    vector<int> d(n - 1);
    for (int i = 0; i < n - 1; i++) {
        cin >> d[i];
    }
    long long mx = 0, mn = 0, s = 0;
    for (int i = 0; i < n - 1; i++) {
        s += d[i];
        mn = min(mn, s);
        mx = max(mx, s);
    }
    int f = -1;
    for (int i = 1; i <= n; i++) {
        if (i + mx <= n && i + mn >= 1) {
            if (f != -1) {
                cout << -1 << '\n';
                return 0;
            }
            f = i;
        }
    }
    vector<int> a(n);
    a[0] = f;
    for (int i = 0; i < n - 1; i++) {
        a[i + 1] = a[i] + d[i];
    }
    for (int i = 0; i < n; i++) {
        cout << a[i] << ' ';
    }
    cout << '\n';
    return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 15 / 15
• Subtask 3: 25 / 25
• Subtask 4: 18 / 18
• Subtask 5: 35 / 35