Submission #74073

#	Time	Username	Problem	Language	Result	Execution time	Memory
74073		funcsr	Garage (IOI09_garage)	C++17	100 / 100	3 ms	972 KiB

garage

#include <cstdio>
#include <iostream>
#include <algorithm>
#include <string>
#include <cstring>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cmath>
#include <iomanip>
#include <cassert>
#include <bitset>
using namespace std;

typedef pair<int, int> P;
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(c) (c).begin(), (c).end()
#define uniq(c) c.erase(unique(all(c)), (c).end())
#define index(xs, x) (int)(lower_bound(all(xs), x) - xs.begin())
#define _1 first
#define _2 second
#define pb push_back
#define INF 1145141919
#define MOD 1000000007

int N, M;
int rate[100];
int A[2000];
int pos[2000];

signed main() {
  ios::sync_with_stdio(false); cin.tie(0);
  cin >> N >> M;
  rep(i, N) cin >> rate[i];
  rep(i, M) cin >> A[i];
  set<int> empty;
  rep(i, N) empty.insert(i);
  queue<int> q;
  long long cost = 0;
  rep(_, 2*M) {
    int x; cin >> x;
    if (x>0) {
      x--;
      pos[x] = -1;
      q.push(x);
    }
    else {
      x=-x-1;
      assert(pos[x] != -1);
      empty.insert(pos[x]);
      pos[x] = -1;
    }
    while (!empty.empty() && !q.empty()) {
      int x = q.front(); q.pop();
      int place = *empty.begin(); empty.erase(empty.begin());
      pos[x] = place;
      cost += 1LL*A[x]*rate[pos[x]];
    }
  }
  cout << cost << "\n";
  return 0;
}

• Subtask 1: 100 / 100