Submission #602258

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
602258	2022-07-22 19:15:41	Devigo	Labels (NOI20_labels)	C++14	0 / 100	38 ms	4668 KiB

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
const int siz = 0;
const int mod = 0;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n;
  cin >> n;
  vector<int> v(n-1);
  for(int i=0; i<n-1; i++) {
    cin >> v[i];
  }
  bool ok = 1; int sum = 0;
  for(int i=0; i<n-1; i++) {
    sum += v[i];
    if(v[i] == 0) {
      ok = 0; break;
    }
  }
  if(!ok) {
    cout << "-1\n";
  }
  else {
    int x = 1;
 
 
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