oj.uz

Submission #622378

# Submission time Handle Problem Language Result Execution time Memory
622378 2022-08-04T08:28:53 Z Hanksburger Port Facility (JOI17_port_facility) C++17
100 / 100
 1476 ms 89200 KB 
#include <bits/stdc++.h>
using namespace std;
const int mod=1e9+7;
pair<int, int> a[1000005];
set<pair<int, int> > s;
int p[2000005];
int par(int x)
{
    return p[x]==x?x:(p[x]=par(p[x]));
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, ans=1;
    cin >> n;
    for (int i=1; i<=n; i++)
        cin >> a[i].first >> a[i].second;
    sort(a+1, a+n+1);
    for (int i=1; i<=n*2; i++)
        p[i]=i;
    for (int i=1; i<=n; i++)
    {
        auto itr1=s.lower_bound({a[i].first, 0}), itr2=s.lower_bound({a[i].second, 0});
        for (auto itr=itr1; itr!=itr2; itr++)
        {
            p[par(itr->second+n)]=par(i);
            p[par(itr->second)]=par(i+n);
            if (par(itr->second)==par(prev(itr2)->second))
                break;
        }
        s.insert({a[i].second, i});
    }
    for (int i=1; i<=n; i++)
    {
        if (par(i)==par(i+n))
        {
            cout << 0;
            return 0;
        }
    }
    for (int i=1; i<=n; i++)
        if (par(i)==i)
            ans=ans*2%mod;
    cout << '\n';
    cout << ans;
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 288 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 336 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 288 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 2 ms 472 KB Output is correct
26 Correct 2 ms 472 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 2 ms 364 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 4 ms 468 KB Output is correct
35 Correct 1 ms 480 KB Output is correct
36 Correct 1 ms 476 KB Output is correct
37 Correct 3 ms 468 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 3 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 4 ms 472 KB Output is correct
44 Correct 3 ms 496 KB Output is correct

Subtask #3
56.0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 288 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 2 ms 472 KB Output is correct
26 Correct 2 ms 472 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 2 ms 364 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 4 ms 468 KB Output is correct
35 Correct 1 ms 480 KB Output is correct
36 Correct 1 ms 476 KB Output is correct
37 Correct 3 ms 468 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 3 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 4 ms 472 KB Output is correct
44 Correct 3 ms 496 KB Output is correct
45 Correct 61 ms 7720 KB Output is correct
46 Correct 61 ms 7840 KB Output is correct
47 Correct 67 ms 7736 KB Output is correct
48 Correct 65 ms 7800 KB Output is correct
49 Correct 88 ms 7768 KB Output is correct
50 Correct 57 ms 7712 KB Output is correct
51 Correct 58 ms 7756 KB Output is correct
52 Correct 59 ms 7724 KB Output is correct
53 Correct 62 ms 7772 KB Output is correct
54 Correct 63 ms 7748 KB Output is correct
55 Correct 59 ms 7800 KB Output is correct
56 Correct 61 ms 7768 KB Output is correct
57 Correct 59 ms 7740 KB Output is correct
58 Correct 66 ms 7764 KB Output is correct
59 Correct 60 ms 7848 KB Output is correct
60 Correct 58 ms 7756 KB Output is correct
61 Correct 64 ms 7804 KB Output is correct
62 Correct 50 ms 8140 KB Output is correct
63 Correct 55 ms 7924 KB Output is correct
64 Correct 61 ms 7896 KB Output is correct
65 Correct 94 ms 7804 KB Output is correct
66 Correct 83 ms 7720 KB Output is correct
67 Correct 71 ms 7756 KB Output is correct
68 Correct 63 ms 7764 KB Output is correct
69 Correct 63 ms 7728 KB Output is correct
70 Correct 63 ms 7736 KB Output is correct
71 Correct 67 ms 8380 KB Output is correct
72 Correct 70 ms 8376 KB Output is correct
73 Correct 71 ms 8600 KB Output is correct
74 Correct 74 ms 8520 KB Output is correct
75 Correct 63 ms 8996 KB Output is correct
76 Correct 66 ms 8884 KB Output is correct
77 Correct 64 ms 9008 KB Output is correct
78 Correct 67 ms 7808 KB Output is correct
79 Correct 64 ms 7988 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 288 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 2 ms 472 KB Output is correct
26 Correct 2 ms 472 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 2 ms 364 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 4 ms 468 KB Output is correct
35 Correct 1 ms 480 KB Output is correct
36 Correct 1 ms 476 KB Output is correct
37 Correct 3 ms 468 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 3 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 4 ms 472 KB Output is correct
44 Correct 3 ms 496 KB Output is correct
45 Correct 61 ms 7720 KB Output is correct
46 Correct 61 ms 7840 KB Output is correct
47 Correct 67 ms 7736 KB Output is correct
48 Correct 65 ms 7800 KB Output is correct
49 Correct 88 ms 7768 KB Output is correct
50 Correct 57 ms 7712 KB Output is correct
51 Correct 58 ms 7756 KB Output is correct
52 Correct 59 ms 7724 KB Output is correct
53 Correct 62 ms 7772 KB Output is correct
54 Correct 63 ms 7748 KB Output is correct
55 Correct 59 ms 7800 KB Output is correct
56 Correct 61 ms 7768 KB Output is correct
57 Correct 59 ms 7740 KB Output is correct
58 Correct 66 ms 7764 KB Output is correct
59 Correct 60 ms 7848 KB Output is correct
60 Correct 58 ms 7756 KB Output is correct
61 Correct 64 ms 7804 KB Output is correct
62 Correct 50 ms 8140 KB Output is correct
63 Correct 55 ms 7924 KB Output is correct
64 Correct 61 ms 7896 KB Output is correct
65 Correct 94 ms 7804 KB Output is correct
66 Correct 83 ms 7720 KB Output is correct
67 Correct 71 ms 7756 KB Output is correct
68 Correct 63 ms 7764 KB Output is correct
69 Correct 63 ms 7728 KB Output is correct
70 Correct 63 ms 7736 KB Output is correct
71 Correct 67 ms 8380 KB Output is correct
72 Correct 70 ms 8376 KB Output is correct
73 Correct 71 ms 8600 KB Output is correct
74 Correct 74 ms 8520 KB Output is correct
75 Correct 63 ms 8996 KB Output is correct
76 Correct 66 ms 8884 KB Output is correct
77 Correct 64 ms 9008 KB Output is correct
78 Correct 67 ms 7808 KB Output is correct
79 Correct 64 ms 7988 KB Output is correct
80 Correct 676 ms 77364 KB Output is correct
81 Correct 690 ms 77492 KB Output is correct
82 Correct 684 ms 77360 KB Output is correct
83 Correct 640 ms 77700 KB Output is correct
84 Correct 637 ms 77496 KB Output is correct
85 Correct 623 ms 77472 KB Output is correct
86 Correct 612 ms 77444 KB Output is correct
87 Correct 748 ms 77468 KB Output is correct
88 Correct 792 ms 77448 KB Output is correct
89 Correct 668 ms 77464 KB Output is correct
90 Correct 682 ms 77404 KB Output is correct
91 Correct 716 ms 77448 KB Output is correct
92 Correct 748 ms 77656 KB Output is correct
93 Correct 778 ms 77536 KB Output is correct
94 Correct 576 ms 77444 KB Output is correct
95 Correct 621 ms 77440 KB Output is correct
96 Correct 622 ms 77436 KB Output is correct
97 Correct 571 ms 79480 KB Output is correct
98 Correct 600 ms 78036 KB Output is correct
99 Correct 602 ms 77988 KB Output is correct
100 Correct 1476 ms 77428 KB Output is correct
101 Correct 1429 ms 77452 KB Output is correct
102 Correct 896 ms 77480 KB Output is correct
103 Correct 918 ms 77384 KB Output is correct
104 Correct 860 ms 77364 KB Output is correct
105 Correct 818 ms 77464 KB Output is correct
106 Correct 946 ms 83308 KB Output is correct
107 Correct 788 ms 83328 KB Output is correct
108 Correct 838 ms 85216 KB Output is correct
109 Correct 908 ms 85260 KB Output is correct
110 Correct 831 ms 89200 KB Output is correct
111 Correct 936 ms 89196 KB Output is correct
112 Correct 818 ms 89084 KB Output is correct
113 Correct 631 ms 77464 KB Output is correct
114 Correct 660 ms 77356 KB Output is correct