oj.uz

Submission #162943

# Submission time Handle Problem Language Result Execution time Memory
162943 2019-11-10T11:22:36 Z combi1k1 Port Facility (JOI17_port_facility) C++14
100 / 100
 1878 ms 85704 KB 
#include<bits/stdc++.h>

using namespace std;

#define FOR(i,a,b)  for(int i = a ; i < b ; ++i)

const int   N   = 2e6 + 1;

typedef pair<int,int>   ii;

int p[N];
int s[N];

int lead(int x) {
    return p[x] == x ? x : p[x] = lead(p[x]);
}
int join(int x,int y)   {
    x = lead(x);
    y = lead(y);
    if (x == y) return  0;
    if (s[x] < s[y])
        swap(x,y);
    p[y] = x;
    s[x] += s[y];

    return  1;
}

int main()  {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    int n;  cin >> n;

    vector<ii>  vec;

    FOR(i,0,n)  {
        int x;  cin >> x;
        int y;  cin >> y;

        vec.push_back(ii(x,y));

        p[i] = i;   p[i + n] = i + n;
        s[i] = 1;   s[i + n] = 1;
    }

    sort(vec.begin(),vec.end());

    map<int,int> mp;

    FOR(i,0,n)  {
        auto it1 = mp.lower_bound(vec[i].first);
        auto it2 = mp.upper_bound(vec[i].second);

        if (it2 != mp.begin())
            for(; it1 != it2 ; ++it1)   {
                join(i,n + it1 -> second);
                join(i + n,it1 -> second);
                if (lead(it1 -> second) == lead(prev(it2) -> second))
                    break;
            }

        mp[vec[i].second] = i;
    }
    int ans = 1;

    FOR(i,0,n)  {
        if (lead(i) == lead(i + n)) ans = 0;
        if (lead(i) == i)
            ans *= 2,
            ans %= 1000000007;
    }

    cout << ans << endl;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 248 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 4 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 404 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 248 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 4 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 404 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 504 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 4 ms 504 KB Output is correct
28 Correct 4 ms 504 KB Output is correct
29 Correct 4 ms 632 KB Output is correct
30 Correct 4 ms 504 KB Output is correct
31 Correct 4 ms 504 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 4 ms 504 KB Output is correct
35 Correct 3 ms 504 KB Output is correct
36 Correct 3 ms 504 KB Output is correct
37 Correct 3 ms 504 KB Output is correct
38 Correct 3 ms 504 KB Output is correct
39 Correct 3 ms 504 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 3 ms 504 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 3 ms 504 KB Output is correct
44 Correct 3 ms 504 KB Output is correct

Subtask #3
56.0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 248 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 4 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 404 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 504 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 4 ms 504 KB Output is correct
28 Correct 4 ms 504 KB Output is correct
29 Correct 4 ms 632 KB Output is correct
30 Correct 4 ms 504 KB Output is correct
31 Correct 4 ms 504 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 4 ms 504 KB Output is correct
35 Correct 3 ms 504 KB Output is correct
36 Correct 3 ms 504 KB Output is correct
37 Correct 3 ms 504 KB Output is correct
38 Correct 3 ms 504 KB Output is correct
39 Correct 3 ms 504 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 3 ms 504 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 3 ms 504 KB Output is correct
44 Correct 3 ms 504 KB Output is correct
45 Correct 85 ms 7540 KB Output is correct
46 Correct 85 ms 7496 KB Output is correct
47 Correct 86 ms 7404 KB Output is correct
48 Correct 181 ms 7400 KB Output is correct
49 Correct 87 ms 7552 KB Output is correct
50 Correct 87 ms 7408 KB Output is correct
51 Correct 85 ms 7404 KB Output is correct
52 Correct 93 ms 7412 KB Output is correct
53 Correct 90 ms 7408 KB Output is correct
54 Correct 82 ms 7408 KB Output is correct
55 Correct 86 ms 8724 KB Output is correct
56 Correct 85 ms 8688 KB Output is correct
57 Correct 92 ms 8656 KB Output is correct
58 Correct 96 ms 8812 KB Output is correct
59 Correct 84 ms 8688 KB Output is correct
60 Correct 85 ms 8688 KB Output is correct
61 Correct 85 ms 8812 KB Output is correct
62 Correct 76 ms 8684 KB Output is correct
63 Correct 81 ms 8684 KB Output is correct
64 Correct 84 ms 8688 KB Output is correct
65 Correct 105 ms 8688 KB Output is correct
66 Correct 110 ms 8688 KB Output is correct
67 Correct 89 ms 8684 KB Output is correct
68 Correct 92 ms 8684 KB Output is correct
69 Correct 91 ms 8664 KB Output is correct
70 Correct 101 ms 8688 KB Output is correct
71 Correct 96 ms 8684 KB Output is correct
72 Correct 93 ms 8648 KB Output is correct
73 Correct 94 ms 8712 KB Output is correct
74 Correct 95 ms 8632 KB Output is correct
75 Correct 96 ms 8676 KB Output is correct
76 Correct 111 ms 8940 KB Output is correct
77 Correct 101 ms 8688 KB Output is correct
78 Correct 86 ms 8688 KB Output is correct
79 Correct 135 ms 8820 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 248 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 4 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 404 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 504 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 4 ms 504 KB Output is correct
28 Correct 4 ms 504 KB Output is correct
29 Correct 4 ms 632 KB Output is correct
30 Correct 4 ms 504 KB Output is correct
31 Correct 4 ms 504 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 4 ms 504 KB Output is correct
35 Correct 3 ms 504 KB Output is correct
36 Correct 3 ms 504 KB Output is correct
37 Correct 3 ms 504 KB Output is correct
38 Correct 3 ms 504 KB Output is correct
39 Correct 3 ms 504 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 3 ms 504 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 3 ms 504 KB Output is correct
44 Correct 3 ms 504 KB Output is correct
45 Correct 85 ms 7540 KB Output is correct
46 Correct 85 ms 7496 KB Output is correct
47 Correct 86 ms 7404 KB Output is correct
48 Correct 181 ms 7400 KB Output is correct
49 Correct 87 ms 7552 KB Output is correct
50 Correct 87 ms 7408 KB Output is correct
51 Correct 85 ms 7404 KB Output is correct
52 Correct 93 ms 7412 KB Output is correct
53 Correct 90 ms 7408 KB Output is correct
54 Correct 82 ms 7408 KB Output is correct
55 Correct 86 ms 8724 KB Output is correct
56 Correct 85 ms 8688 KB Output is correct
57 Correct 92 ms 8656 KB Output is correct
58 Correct 96 ms 8812 KB Output is correct
59 Correct 84 ms 8688 KB Output is correct
60 Correct 85 ms 8688 KB Output is correct
61 Correct 85 ms 8812 KB Output is correct
62 Correct 76 ms 8684 KB Output is correct
63 Correct 81 ms 8684 KB Output is correct
64 Correct 84 ms 8688 KB Output is correct
65 Correct 105 ms 8688 KB Output is correct
66 Correct 110 ms 8688 KB Output is correct
67 Correct 89 ms 8684 KB Output is correct
68 Correct 92 ms 8684 KB Output is correct
69 Correct 91 ms 8664 KB Output is correct
70 Correct 101 ms 8688 KB Output is correct
71 Correct 96 ms 8684 KB Output is correct
72 Correct 93 ms 8648 KB Output is correct
73 Correct 94 ms 8712 KB Output is correct
74 Correct 95 ms 8632 KB Output is correct
75 Correct 96 ms 8676 KB Output is correct
76 Correct 111 ms 8940 KB Output is correct
77 Correct 101 ms 8688 KB Output is correct
78 Correct 86 ms 8688 KB Output is correct
79 Correct 135 ms 8820 KB Output is correct
80 Correct 953 ms 85460 KB Output is correct
81 Correct 936 ms 85704 KB Output is correct
82 Correct 946 ms 85460 KB Output is correct
83 Correct 931 ms 85460 KB Output is correct
84 Correct 945 ms 85400 KB Output is correct
85 Correct 922 ms 85488 KB Output is correct
86 Correct 990 ms 85436 KB Output is correct
87 Correct 1666 ms 85600 KB Output is correct
88 Correct 1424 ms 85552 KB Output is correct
89 Correct 1308 ms 85672 KB Output is correct
90 Correct 1393 ms 85460 KB Output is correct
91 Correct 1323 ms 85588 KB Output is correct
92 Correct 1584 ms 85460 KB Output is correct
93 Correct 1394 ms 85596 KB Output is correct
94 Correct 908 ms 85332 KB Output is correct
95 Correct 948 ms 85464 KB Output is correct
96 Correct 926 ms 85460 KB Output is correct
97 Correct 874 ms 85460 KB Output is correct
98 Correct 916 ms 85588 KB Output is correct
99 Correct 920 ms 85476 KB Output is correct
100 Correct 1878 ms 85456 KB Output is correct
101 Correct 1783 ms 85584 KB Output is correct
102 Correct 1300 ms 85588 KB Output is correct
103 Correct 1385 ms 85584 KB Output is correct
104 Correct 1304 ms 85628 KB Output is correct
105 Correct 1288 ms 85480 KB Output is correct
106 Correct 1329 ms 85524 KB Output is correct
107 Correct 1457 ms 85460 KB Output is correct
108 Correct 1373 ms 85648 KB Output is correct
109 Correct 1334 ms 85460 KB Output is correct
110 Correct 1406 ms 85588 KB Output is correct
111 Correct 1557 ms 85548 KB Output is correct
112 Correct 1472 ms 85628 KB Output is correct
113 Correct 936 ms 85676 KB Output is correct
114 Correct 954 ms 85416 KB Output is correct