Submission #532409

# Submission time Handle Problem Language Result Execution time Memory
532409 2022-03-02T21:01:12 Z Alex_tz307 Garage (IOI09_garage) C++17
100 / 100
1 ms 332 KB
#include <bits/stdc++.h>

using namespace std;

void testCase() {
  int n, m;
  cin >> n >> m;
  vector<int> a(n + 1);
  for (int i = 1; i <= n; ++i) {
    cin >> a[i];
  }
  vector<int> w(m + 1);
  for (int i = 1; i <= m; ++i) {
    cin >> w[i];
  }
  priority_queue<int, vector<int>, greater<int>> pq;
  for (int i = 1; i <= n; ++i) {
    pq.emplace(i);
  }
  queue<int> q;
  vector<int> slot(m + 1);
  vector<bool> del(m + 1);
  int ans = 0;
  for (int i = 1; i <= 2 * m; ++i) {
    int x;
    cin >> x;
    if (x > 0) {
      if (pq.empty()) {
        q.emplace(x);
      } else {
        slot[x] = pq.top();
        pq.pop();
        ans += w[x] * a[slot[x]];
      }
    } else {
      x = -x;
      if (slot[x] == 0) {
        del[x] = true;
      } else {
        pq.emplace(slot[x]);
        while (!q.empty() && !pq.empty()) {
          while (!q.empty() && del[q.front()]) {
            q.pop();
          }
          if (!q.empty()) {
            slot[q.front()] = pq.top();
            pq.pop();
            ans += w[q.front()] * a[slot[q.front()]];
            q.pop();
          }
        }
      }
    }
  }
  cout << ans << '\n';
}

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  int tests = 1;
  for (int tc = 0; tc < tests; ++tc) {
    testCase();
  }
  return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct