Submission #565928

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
565928	2022-05-21 14:42:37	sofapuden	Potatoes and fertilizers (LMIO19_bulves)	C++14	100 / 100	204 ms	11176 KiB

bulves

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#include<bits/stdc++.h>
 
using namespace std;
typedef long long ll;
int main(){
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  int n; cin >> n;
  priority_queue<ll> pq;
  ll dif = 0;
  ll ans = 0;
  for(int i = 0; i < n; ++i){
    int a, b; cin >> a >> b;
    dif+=a-b;
    ans+=abs(dif);
    pq.push(max(0ll,dif));
    pq.push(max(0ll,dif));
    pq.pop();
  }
  while(pq.size()){
    auto x = pq.top(); pq.pop();
    ans-=min(x,dif);
  }
  cout << ans << '\n';
}
 
 
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• Subtask 1: 24 / 24
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 10 / 10
• Subtask 5: 36 / 36