Submission #776931

#	Time	Username	Problem	Language	Result	Execution time	Memory
776931		mdub	Garage (IOI09_garage)	C++14	100 / 100	2 ms	340 KiB

garage

#include <bits/stdc++.h>

using namespace std;

int main () {
  int n, m; cin >> n >> m;
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  vector<int> b(m);
  for (int i =0 ; i < m; i++) {
    cin >> b[i];
  }
  queue<int> q;
  vector<int> departures(m);
  vector<bool> used(m, false);
  int ans = 0;
  for (int i = 0; i < 2*m; i++) {
    int num; cin >> num;
    if (num > 0) {
      q.push(num-1);
    }
    else {
      used[departures[abs(num)-1]] = false;
    }
    
      
      for (int j = 0; j < n; j++) {
	if (!used[j]) {
	  if (q.size()) {
	    used[j] = true;
	    ans += a[j] * b[q.front()];
	    departures[q.front()] = j;
	    q.pop();
	  }
	  
	}
      }
      
    
  }
  cout << ans << '\n';
    
				
}

• Subtask 1: 100 / 100