Submission #630108

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
630108	2022-08-15 17:01:19	ZsofiaKeresztely	Addk (eJOI21_addk)	C++14	100 / 100	1246 ms	9652 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<ll> lstairs, rstairs, pref;
ll n;
void upd(vector<ll> &a){
  pref.assign(n+1, 0);
  lstairs.assign(n+1, 0);
  rstairs.assign(n+1, 0);
  for (ll i=1; i<n+1; i++){
    pref[i] = pref[i-1] + a[i];
    lstairs[i] = lstairs[i-1] + pref[i];
  }
  rstairs[n] = a[n];
  for (ll i=n-1; i>0; i--){
    rstairs[i] = rstairs[i+1] + (pref[n] - pref[i-1]);
  }
  return;
}
int main(){
  ll k;
  cin >> n >> k;
  vector<ll> a(n+1);
  vector<ll> orig;
  for (ll i=1; i<n+1; i++){
    cin >> a[i];
  }
  orig = a;
 
 
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• Subtask 1: 36 / 36
• Subtask 2: 56 / 56
• Subtask 3: 8 / 8