Submission #849210

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
849210	2023-09-14 09:18:49	vjudge1	Uplifting Excursion (BOI22_vault)	C++17	5 / 100	5029 ms	524288 KiB

vault

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#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
#define pii pair<int,int>
#define F first
#define S second
#define endl '\n'
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
const int mod = 1e9 + 7;
const ll inf = 1e18;
int32_t main(){
  ios_base::sync_with_stdio(0);cin.tie(0);
  int n, l;
  cin >> n >> l;
  vector<int> a(2*n + 1);
  vector<int> b;
  for (int i=-n;i<=n;i++){
    cin >> a[i+n];
    int frq = a[i+n];
    for (int j=0;j<frq;j++) b.pb(i);
  }
  int mx = 0, mn=0;
  for (auto it : b) (it >= 0 ? mx+=it : mn+=it);
  if (l > mx || l < mn) {
    cout << "impossible\n";
    return 0;
  }
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 0 / 15
• Subtask 3-1: 0 / 10
• Subtask 3-2: 0 / 10
• Subtask 4-1: 0 / 10
• Subtask 4-2: 0 / 10
• Subtask 5-1: 0 / 10
• Subtask 5-2: 0 / 10
• Subtask 6-1: 0 / 10
• Subtask 6-2: 0 / 10