Submission #961369

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
961369	2024-04-12T01:24:15 Z	abczz	Port Facility (JOI17_port_facility)	C++14	22 / 100	2552 ms	1048576 KB

port_facility

#include <iostream>
#include <vector>
#include <array>
#include <map>
#define ll long long

using namespace std;

ll n, s, f = 1, X[1000000], F[1000000], M = 1e9 + 7;
vector <ll> V, U, adj[1000000];
map <ll, ll> mp;
bool B[1000000];
array <ll, 2> A[1000000], R[1000000];

void dfs(ll u, ll w) {
  F[u] = w;
  for (auto v : adj[u]) {
    if (F[v] == -1) {
      dfs(v, w^1);
    }
    else if (F[u] == F[v]) {
      cout << "0\n";
      exit(0);
    }
  }
}
int main() {
  cin.tie(0);
  ios::sync_with_stdio(0);
  cin >> n;
  for (int i=0; i<n; ++i) {
    F[i] = -1;
    cin >> R[i][0] >> R[i][1];
    --R[i][0], --R[i][1];
    A[R[i][0]] = {i, 0}, A[R[i][1]] = {i, 1};
  }
  for (int i=0; i<2*n; ++i) {
    if (!A[i][1]) {
      X[A[i][0]] = -1e18;
      auto it = mp.lower_bound(R[A[i][0]][1]);
      if (it != mp.begin()) {
        it = prev(it);
        X[A[i][0]] = it->first;
      }
      ++mp[R[A[i][0]][1]];
    }
  }
  mp.clear();
  for (int i=2*n-1; i>=0; --i) {
    if (A[i][1]) {
      auto it = mp.lower_bound(R[A[i][0]][0]);
      if (it != mp.end() && it->first < X[A[i][0]]) {
        cout << "0\n";
        return 0;
      }
      ++mp[R[A[i][0]][0]];
    }
  }
  for (int i=0; i<2*n; ++i) {
    if (A[i][1]) {
      B[A[i][0]] = 1;
      while (!V.empty()) {
        auto u = V.back();
        if (R[u][0] < R[A[i][0]][0]) break;
        V.pop_back();
        if (!B[u]) {
          //cout << u << " " << A[i][0] << endl;
          U.push_back(u);
          adj[u].push_back(A[i][0]);
          adj[A[i][0]].push_back(u);
        }
      }
      while (!U.empty()) {
        auto u = U.back();
        U.pop_back();
        V.push_back(u);
      }
    }
    else V.push_back(A[i][0]);
  }
  for (int i=0; i<n; ++i) {
    if (F[i] == -1) {
      f *= 2;
      f %= M;
      dfs(i, 0);
    }
  }
  cout << f << '\n';
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	16 ms	26968 KB	Output is correct
2	Correct	7 ms	26968 KB	Output is correct
3	Correct	8 ms	26968 KB	Output is correct
4	Correct	7 ms	26972 KB	Output is correct
5	Correct	7 ms	27132 KB	Output is correct
6	Correct	6 ms	26972 KB	Output is correct
7	Correct	7 ms	26972 KB	Output is correct
8	Correct	7 ms	27156 KB	Output is correct
9	Correct	8 ms	27124 KB	Output is correct
10	Correct	7 ms	26972 KB	Output is correct
11	Correct	7 ms	26972 KB	Output is correct
12	Correct	7 ms	26972 KB	Output is correct
13	Correct	6 ms	26968 KB	Output is correct
14	Correct	7 ms	26972 KB	Output is correct
15	Correct	7 ms	27136 KB	Output is correct
16	Correct	7 ms	27128 KB	Output is correct
17	Correct	7 ms	26972 KB	Output is correct
18	Correct	7 ms	26976 KB	Output is correct
19	Correct	8 ms	27060 KB	Output is correct
20	Correct	7 ms	26972 KB	Output is correct
21	Correct	7 ms	26972 KB	Output is correct
22	Correct	7 ms	26972 KB	Output is correct
23	Correct	7 ms	27156 KB	Output is correct
24	Correct	7 ms	26972 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	16 ms	26968 KB	Output is correct
2	Correct	7 ms	26968 KB	Output is correct
3	Correct	8 ms	26968 KB	Output is correct
4	Correct	7 ms	26972 KB	Output is correct
5	Correct	7 ms	27132 KB	Output is correct
6	Correct	6 ms	26972 KB	Output is correct
7	Correct	7 ms	26972 KB	Output is correct
8	Correct	7 ms	27156 KB	Output is correct
9	Correct	8 ms	27124 KB	Output is correct
10	Correct	7 ms	26972 KB	Output is correct
11	Correct	7 ms	26972 KB	Output is correct
12	Correct	7 ms	26972 KB	Output is correct
13	Correct	6 ms	26968 KB	Output is correct
14	Correct	7 ms	26972 KB	Output is correct
15	Correct	7 ms	27136 KB	Output is correct
16	Correct	7 ms	27128 KB	Output is correct
17	Correct	7 ms	26972 KB	Output is correct
18	Correct	7 ms	26976 KB	Output is correct
19	Correct	8 ms	27060 KB	Output is correct
20	Correct	7 ms	26972 KB	Output is correct
21	Correct	7 ms	26972 KB	Output is correct
22	Correct	7 ms	26972 KB	Output is correct
23	Correct	7 ms	27156 KB	Output is correct
24	Correct	7 ms	26972 KB	Output is correct
25	Correct	9 ms	27740 KB	Output is correct
26	Correct	9 ms	27996 KB	Output is correct
27	Correct	9 ms	27740 KB	Output is correct
28	Correct	11 ms	28340 KB	Output is correct
29	Correct	9 ms	28000 KB	Output is correct
30	Correct	10 ms	28252 KB	Output is correct
31	Correct	11 ms	27996 KB	Output is correct
32	Correct	9 ms	27740 KB	Output is correct
33	Correct	9 ms	27224 KB	Output is correct
34	Correct	8 ms	27228 KB	Output is correct
35	Correct	7 ms	27228 KB	Output is correct
36	Correct	8 ms	27320 KB	Output is correct
37	Correct	8 ms	27412 KB	Output is correct
38	Correct	7 ms	27476 KB	Output is correct
39	Correct	9 ms	27232 KB	Output is correct
40	Correct	9 ms	27236 KB	Output is correct
41	Correct	27 ms	43676 KB	Output is correct
42	Correct	26 ms	43612 KB	Output is correct
43	Correct	8 ms	27484 KB	Output is correct
44	Correct	7 ms	27484 KB	Output is correct

Subtask #3
0 / 56.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	16 ms	26968 KB	Output is correct
2	Correct	7 ms	26968 KB	Output is correct
3	Correct	8 ms	26968 KB	Output is correct
4	Correct	7 ms	26972 KB	Output is correct
5	Correct	7 ms	27132 KB	Output is correct
6	Correct	6 ms	26972 KB	Output is correct
7	Correct	7 ms	26972 KB	Output is correct
8	Correct	7 ms	27156 KB	Output is correct
9	Correct	8 ms	27124 KB	Output is correct
10	Correct	7 ms	26972 KB	Output is correct
11	Correct	7 ms	26972 KB	Output is correct
12	Correct	7 ms	26972 KB	Output is correct
13	Correct	6 ms	26968 KB	Output is correct
14	Correct	7 ms	26972 KB	Output is correct
15	Correct	7 ms	27136 KB	Output is correct
16	Correct	7 ms	27128 KB	Output is correct
17	Correct	7 ms	26972 KB	Output is correct
18	Correct	7 ms	26976 KB	Output is correct
19	Correct	8 ms	27060 KB	Output is correct
20	Correct	7 ms	26972 KB	Output is correct
21	Correct	7 ms	26972 KB	Output is correct
22	Correct	7 ms	26972 KB	Output is correct
23	Correct	7 ms	27156 KB	Output is correct
24	Correct	7 ms	26972 KB	Output is correct
25	Correct	9 ms	27740 KB	Output is correct
26	Correct	9 ms	27996 KB	Output is correct
27	Correct	9 ms	27740 KB	Output is correct
28	Correct	11 ms	28340 KB	Output is correct
29	Correct	9 ms	28000 KB	Output is correct
30	Correct	10 ms	28252 KB	Output is correct
31	Correct	11 ms	27996 KB	Output is correct
32	Correct	9 ms	27740 KB	Output is correct
33	Correct	9 ms	27224 KB	Output is correct
34	Correct	8 ms	27228 KB	Output is correct
35	Correct	7 ms	27228 KB	Output is correct
36	Correct	8 ms	27320 KB	Output is correct
37	Correct	8 ms	27412 KB	Output is correct
38	Correct	7 ms	27476 KB	Output is correct
39	Correct	9 ms	27232 KB	Output is correct
40	Correct	9 ms	27236 KB	Output is correct
41	Correct	27 ms	43676 KB	Output is correct
42	Correct	26 ms	43612 KB	Output is correct
43	Correct	8 ms	27484 KB	Output is correct
44	Correct	7 ms	27484 KB	Output is correct
45	Correct	196 ms	93500 KB	Output is correct
46	Correct	315 ms	175880 KB	Output is correct
47	Correct	131 ms	67296 KB	Output is correct
48	Correct	281 ms	174928 KB	Output is correct
49	Correct	150 ms	88072 KB	Output is correct
50	Correct	55 ms	47032 KB	Output is correct
51	Correct	49 ms	46932 KB	Output is correct
52	Correct	65 ms	46928 KB	Output is correct
53	Correct	65 ms	48148 KB	Output is correct
54	Correct	43 ms	46928 KB	Output is correct
55	Correct	45 ms	46928 KB	Output is correct
56	Correct	45 ms	47060 KB	Output is correct
57	Correct	75 ms	50256 KB	Output is correct
58	Correct	71 ms	46932 KB	Output is correct
59	Correct	67 ms	47904 KB	Output is correct
60	Correct	76 ms	49440 KB	Output is correct
61	Correct	81 ms	51760 KB	Output is correct
62	Correct	44 ms	47044 KB	Output is correct
63	Correct	44 ms	46928 KB	Output is correct
64	Correct	49 ms	47016 KB	Output is correct
65	Correct	57 ms	47124 KB	Output is correct
66	Correct	60 ms	46932 KB	Output is correct
67	Runtime error	2552 ms	1048576 KB	Execution killed with signal 9
68	Halted	0 ms	0 KB	-

Subtask #4
0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	16 ms	26968 KB	Output is correct
2	Correct	7 ms	26968 KB	Output is correct
3	Correct	8 ms	26968 KB	Output is correct
4	Correct	7 ms	26972 KB	Output is correct
5	Correct	7 ms	27132 KB	Output is correct
6	Correct	6 ms	26972 KB	Output is correct
7	Correct	7 ms	26972 KB	Output is correct
8	Correct	7 ms	27156 KB	Output is correct
9	Correct	8 ms	27124 KB	Output is correct
10	Correct	7 ms	26972 KB	Output is correct
11	Correct	7 ms	26972 KB	Output is correct
12	Correct	7 ms	26972 KB	Output is correct
13	Correct	6 ms	26968 KB	Output is correct
14	Correct	7 ms	26972 KB	Output is correct
15	Correct	7 ms	27136 KB	Output is correct
16	Correct	7 ms	27128 KB	Output is correct
17	Correct	7 ms	26972 KB	Output is correct
18	Correct	7 ms	26976 KB	Output is correct
19	Correct	8 ms	27060 KB	Output is correct
20	Correct	7 ms	26972 KB	Output is correct
21	Correct	7 ms	26972 KB	Output is correct
22	Correct	7 ms	26972 KB	Output is correct
23	Correct	7 ms	27156 KB	Output is correct
24	Correct	7 ms	26972 KB	Output is correct
25	Correct	9 ms	27740 KB	Output is correct
26	Correct	9 ms	27996 KB	Output is correct
27	Correct	9 ms	27740 KB	Output is correct
28	Correct	11 ms	28340 KB	Output is correct
29	Correct	9 ms	28000 KB	Output is correct
30	Correct	10 ms	28252 KB	Output is correct
31	Correct	11 ms	27996 KB	Output is correct
32	Correct	9 ms	27740 KB	Output is correct
33	Correct	9 ms	27224 KB	Output is correct
34	Correct	8 ms	27228 KB	Output is correct
35	Correct	7 ms	27228 KB	Output is correct
36	Correct	8 ms	27320 KB	Output is correct
37	Correct	8 ms	27412 KB	Output is correct
38	Correct	7 ms	27476 KB	Output is correct
39	Correct	9 ms	27232 KB	Output is correct
40	Correct	9 ms	27236 KB	Output is correct
41	Correct	27 ms	43676 KB	Output is correct
42	Correct	26 ms	43612 KB	Output is correct
43	Correct	8 ms	27484 KB	Output is correct
44	Correct	7 ms	27484 KB	Output is correct
45	Correct	196 ms	93500 KB	Output is correct
46	Correct	315 ms	175880 KB	Output is correct
47	Correct	131 ms	67296 KB	Output is correct
48	Correct	281 ms	174928 KB	Output is correct
49	Correct	150 ms	88072 KB	Output is correct
50	Correct	55 ms	47032 KB	Output is correct
51	Correct	49 ms	46932 KB	Output is correct
52	Correct	65 ms	46928 KB	Output is correct
53	Correct	65 ms	48148 KB	Output is correct
54	Correct	43 ms	46928 KB	Output is correct
55	Correct	45 ms	46928 KB	Output is correct
56	Correct	45 ms	47060 KB	Output is correct
57	Correct	75 ms	50256 KB	Output is correct
58	Correct	71 ms	46932 KB	Output is correct
59	Correct	67 ms	47904 KB	Output is correct
60	Correct	76 ms	49440 KB	Output is correct
61	Correct	81 ms	51760 KB	Output is correct
62	Correct	44 ms	47044 KB	Output is correct
63	Correct	44 ms	46928 KB	Output is correct
64	Correct	49 ms	47016 KB	Output is correct
65	Correct	57 ms	47124 KB	Output is correct
66	Correct	60 ms	46932 KB	Output is correct
67	Runtime error	2552 ms	1048576 KB	Execution killed with signal 9
68	Halted	0 ms	0 KB	-

Submission #961369

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 0 / 56.0

Subtask #4 0 / 22.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
0 / 56.0

Subtask #4
0 / 22.0