Submission #684144

#	Time	Username	Problem	Language	Result	Execution time	Memory
684144		Hacv16	Garage (IOI09_garage)	C++17	100 / 100	1 ms	340 KiB

garage

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

typedef long long ll;
const int MAX = 2e5 + 15;
const int INF = 0x3f3f3f3f;

int 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) s.insert(spot[-car]); 
    else q.push(car);

    while(s.size()){
      if(q.empty()) break;
      int cur = q.front(); q.pop();

      int curSpot = *(s.begin());
      s.erase(s.begin());

      spot[cur] = curSpot;
      rev += w[cur] * r[curSpot];
    }
  }

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

• Subtask 1: 100 / 100