Submission #684139

#	Time	Username	Problem	Language	Result	Execution time	Memory
684139		Hacv16	Garage (IOI09_garage)	C++17	65 / 100	1 ms	344 KiB

garage

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const int MAX = 2e6 + 15;
const int INF = 0x3f3f3f3f;

ll n, m, rev, r[MAX], w[MAX], spot[MAX];
set<int> s;
queue<int> q;

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);

  cin >> n >> m;

  for(int i = 1; i <= n; i++){
    cin >> r[i];
    s.insert(i);
  }

  for(int i = 1; i <= m; i++)
    cin >> w[i];

  for(int i = 1; i <= 2 * m; i++){
    int car; cin >> car;
    if(car < 0) car = -car;

    if(spot[car] != 0){
      s.insert(spot[car]);

      if(q.size()){
        int nx = q.front(); q.pop();
        spot[nx] = spot[car];
        rev += r[spot[nx]] * w[nx]; 

      }else{
        s.insert(spot[car]);
      }

    }else{
      if(s.size()){
        int curSpot = *s.begin();
        s.erase(s.begin());
        spot[car] = curSpot;

        rev += r[spot[car]] * w[car];
      }else{
        q.push(car);
      }
    }
  }

  cout << rev << '\n';
}

• Subtask 1: 65 / 100