oj.uz

Submission #923880

# Submission time Handle Problem Language Result Execution time Memory
923880 2024-02-08T04:14:59 Z awu Passport (JOI23_passport) C++14
48 / 100
 1104 ms 1048576 KB 
#include <bits/extc++.h>
using namespace __gnu_pbds;
using namespace std;

// #define int long long
#define ll long long
// #define double long double
#define all(x) x.begin(), x.end()
#define debug(x) do{auto _x = x; cerr << #x << " = " << _x << endl;} while(0)
#define f first
#define s second
// #define endl '\n'

using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int inf = 1 << 29;
// const ll inf = 1ll << 50;

const int MOD = 1e9 + 7;

signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int n; cin >> n;
  vector<int> l(n), r(n);
  for(int i = 0; i < n; i++) {
    cin >> l[i] >> r[i];
    l[i]--;
  }
  vector<vector<vector<pii>>> adj(n, vector<vector<pii>>(n + 1));
  for(int i = 0; i < n; i++) {
    for(int j = i + 1; j <= n; j++) {
      if(i + 1 < j) {
        adj[i + 1][j].push_back({i, j});
        adj[i][j - 1].push_back({i, j});
      }
      adj[min(i, l[i])][max(j, r[i])].push_back({i, j});
      adj[min(i, l[j - 1])][max(j, r[j - 1])].push_back({i, j});
    }
  }
  vector<vector<int>> dist(n, vector<int>(n + 1, inf));
  deque<pair<int, pii>> pq;
  pq.push_back({0, {0, n}});
  while(pq.size()) {
    auto cur = pq.front(); pq.pop_front();
    int d = cur.f, i = cur.s.f, j = cur.s.s;
    if(dist[i][j] <= d) continue;
    dist[i][j] = d;
    for(auto nxt : adj[i][j]) {
      if(nxt.s - nxt.f < j - i) {
        pq.push_back({d + 1, nxt});
      } else {
        pq.push_front({d, nxt});
      }
    }
  }
  int q; cin >> q;
  while(q--) {
    int x; cin >> x; x--;
    int ans = dist[x][x + 1];
    if(ans == inf) ans = -1;
    cout << ans << endl;
  }
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Runtime error 510 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 9 ms 5468 KB Output is correct
12 Correct 9 ms 5212 KB Output is correct
13 Correct 8 ms 5544 KB Output is correct
14 Correct 8 ms 5468 KB Output is correct
15 Correct 8 ms 5212 KB Output is correct

Subtask #3
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 9 ms 5468 KB Output is correct
12 Correct 9 ms 5212 KB Output is correct
13 Correct 8 ms 5544 KB Output is correct
14 Correct 8 ms 5468 KB Output is correct
15 Correct 8 ms 5212 KB Output is correct
16 Correct 894 ms 356484 KB Output is correct
17 Correct 828 ms 341356 KB Output is correct
18 Correct 774 ms 346616 KB Output is correct
19 Correct 729 ms 343888 KB Output is correct
20 Correct 1088 ms 318712 KB Output is correct
21 Correct 819 ms 336900 KB Output is correct
22 Correct 476 ms 369572 KB Output is correct
23 Correct 647 ms 385508 KB Output is correct
24 Correct 680 ms 378016 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 9 ms 5468 KB Output is correct
12 Correct 9 ms 5212 KB Output is correct
13 Correct 8 ms 5544 KB Output is correct
14 Correct 8 ms 5468 KB Output is correct
15 Correct 8 ms 5212 KB Output is correct
16 Correct 894 ms 356484 KB Output is correct
17 Correct 828 ms 341356 KB Output is correct
18 Correct 774 ms 346616 KB Output is correct
19 Correct 729 ms 343888 KB Output is correct
20 Correct 1088 ms 318712 KB Output is correct
21 Correct 819 ms 336900 KB Output is correct
22 Correct 476 ms 369572 KB Output is correct
23 Correct 647 ms 385508 KB Output is correct
24 Correct 680 ms 378016 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 420 KB Output is correct
27 Correct 902 ms 383064 KB Output is correct
28 Correct 839 ms 345576 KB Output is correct
29 Correct 1104 ms 319008 KB Output is correct
30 Correct 839 ms 336472 KB Output is correct
31 Correct 568 ms 368212 KB Output is correct

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Runtime error 510 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -