Submission #869141

#	Time	Username	Problem	Language	Result	Execution time	Memory
869141		tvladm2009	Labels (NOI20_labels)	C++17	100 / 100	49 ms	9404 KiB

Labels

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
const int N = (int) 3e5 + 7;
ll n, a[N], pre[N];

int main() {
  ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

  // freopen("input", "r", stdin);

  cin >> n;
  for (int i = 1; i < n; i++) {
    cin >> a[i];
  }
  ll mx = 0, mn = 0;
  for (int i = 1; i < n; i++) {
    pre[i] = pre[i - 1] + a[i];
    mx = max(mx, pre[i]);
    mn = min(mn, pre[i]);
  }
  ll low = mn, high = n - mx;
  if (mx - mn == n - 1) {
    cout << high << " ";
    for (int i = 1; i < n; i++) {
      high += a[i];
      cout << high << " ";
    }
    cout << "\n";
    return 0;
  }
  cout << "-1\n";
  return 0;
}

Compilation message (stderr)

Labels.cpp: In function 'int main()':
Labels.cpp:24:6: warning: unused variable 'low' [-Wunused-variable]
   24 |   ll low = mn, high = n - mx;
      |      ^~~

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