답안 #550759

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
550759	2022-04-19T04:09:49 Z	AJ00	Port Facility (JOI17_port_facility)	C++14	22 / 100	2994 ms	1048576 KB

port_facility

#include <bits/stdc++.h>

using namespace std;
const int MOD = 1e9+7;
pair<int,int> tim[1000001];
vector<int> adj[1000001];
int col[1000001];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int tc=1,n,q,k,m; 
    //cin >> tc;
    for (int poppo = 1; poppo <= tc; poppo++){
        //cout << "Case #" << poppo << ": "; 
        cin >> n;
        for (int i = 1; i <= n; i++){
            cin >> tim[i].first >> tim[i].second;
            col[i] = -1;
        }
        sort(tim+1,tim+n+1);
        int cur = 1;
        set<pair<int,int>> s;
       // priority_queue<int, vector<int>, greater<int>> pq;
        for (int i = 1; i <= (2*n); i++){
            if (i != tim[cur].first){
                s.erase(s.begin());
                continue;
            }
            s.insert({tim[cur].second,cur});
            for (auto const &var: s){
                if (var.first == tim[cur].second){
                    break;
                }
                adj[cur].push_back(var.second);
                adj[var.second].push_back(cur);
            }
            cur++;
        }
        int ans = 1;
        for (int i = 1; i <= n; i++){
            if (col[i] != -1){
                continue;
            }
            col[i] = 1;
            queue<int> q;
            q.push(i);
            while(!q.empty()){
                int p = q.front();
                q.pop();
                for (int c: adj[p]){
                    if (col[c] != -1){
                        if (col[c] == col[p]){
                            cout << 0 << "\n";
                            return 0;
                        }
                    }
                    else {
                        col[c] = 1-col[p];
                        q.push(c);
                    }
                }
            }
            ans = ((ans*2)%MOD);
        }
        cout << ans << "\n";
    }
    return 0;
}

Compilation message

port_facility.cpp: In function 'int main()':
port_facility.cpp:12:16: warning: unused variable 'q' [-Wunused-variable]
   12 |     int tc=1,n,q,k,m;
      |                ^
port_facility.cpp:12:18: warning: unused variable 'k' [-Wunused-variable]
   12 |     int tc=1,n,q,k,m;
      |                  ^
port_facility.cpp:12:20: warning: unused variable 'm' [-Wunused-variable]
   12 |     int tc=1,n,q,k,m;
      |                    ^

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	23816 KB	Output is correct
2	Correct	12 ms	23800 KB	Output is correct
3	Correct	12 ms	23760 KB	Output is correct
4	Correct	12 ms	23764 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	13 ms	23764 KB	Output is correct
7	Correct	14 ms	23764 KB	Output is correct
8	Correct	13 ms	23820 KB	Output is correct
9	Correct	12 ms	23752 KB	Output is correct
10	Correct	12 ms	23824 KB	Output is correct
11	Correct	14 ms	23700 KB	Output is correct
12	Correct	12 ms	23696 KB	Output is correct
13	Correct	13 ms	23764 KB	Output is correct
14	Correct	13 ms	23708 KB	Output is correct
15	Correct	12 ms	23764 KB	Output is correct
16	Correct	12 ms	23720 KB	Output is correct
17	Correct	12 ms	23776 KB	Output is correct
18	Correct	12 ms	23764 KB	Output is correct
19	Correct	12 ms	23756 KB	Output is correct
20	Correct	12 ms	23764 KB	Output is correct
21	Correct	12 ms	23816 KB	Output is correct
22	Correct	12 ms	23764 KB	Output is correct
23	Correct	13 ms	23764 KB	Output is correct
24	Correct	15 ms	23760 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	23816 KB	Output is correct
2	Correct	12 ms	23800 KB	Output is correct
3	Correct	12 ms	23760 KB	Output is correct
4	Correct	12 ms	23764 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	13 ms	23764 KB	Output is correct
7	Correct	14 ms	23764 KB	Output is correct
8	Correct	13 ms	23820 KB	Output is correct
9	Correct	12 ms	23752 KB	Output is correct
10	Correct	12 ms	23824 KB	Output is correct
11	Correct	14 ms	23700 KB	Output is correct
12	Correct	12 ms	23696 KB	Output is correct
13	Correct	13 ms	23764 KB	Output is correct
14	Correct	13 ms	23708 KB	Output is correct
15	Correct	12 ms	23764 KB	Output is correct
16	Correct	12 ms	23720 KB	Output is correct
17	Correct	12 ms	23776 KB	Output is correct
18	Correct	12 ms	23764 KB	Output is correct
19	Correct	12 ms	23756 KB	Output is correct
20	Correct	12 ms	23764 KB	Output is correct
21	Correct	12 ms	23816 KB	Output is correct
22	Correct	12 ms	23764 KB	Output is correct
23	Correct	13 ms	23764 KB	Output is correct
24	Correct	15 ms	23760 KB	Output is correct
25	Correct	15 ms	24020 KB	Output is correct
26	Correct	16 ms	24276 KB	Output is correct
27	Correct	14 ms	24148 KB	Output is correct
28	Correct	15 ms	24312 KB	Output is correct
29	Correct	13 ms	24148 KB	Output is correct
30	Correct	14 ms	24236 KB	Output is correct
31	Correct	15 ms	24124 KB	Output is correct
32	Correct	15 ms	24148 KB	Output is correct
33	Correct	14 ms	24096 KB	Output is correct
34	Correct	14 ms	24088 KB	Output is correct
35	Correct	12 ms	23764 KB	Output is correct
36	Correct	14 ms	23944 KB	Output is correct
37	Correct	50 ms	40012 KB	Output is correct
38	Correct	33 ms	31936 KB	Output is correct
39	Correct	14 ms	23852 KB	Output is correct
40	Correct	13 ms	23840 KB	Output is correct
41	Correct	35 ms	32036 KB	Output is correct
42	Correct	34 ms	31912 KB	Output is correct
43	Correct	13 ms	23852 KB	Output is correct
44	Correct	13 ms	23860 KB	Output is correct

Subtask #3
0 / 56.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	23816 KB	Output is correct
2	Correct	12 ms	23800 KB	Output is correct
3	Correct	12 ms	23760 KB	Output is correct
4	Correct	12 ms	23764 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	13 ms	23764 KB	Output is correct
7	Correct	14 ms	23764 KB	Output is correct
8	Correct	13 ms	23820 KB	Output is correct
9	Correct	12 ms	23752 KB	Output is correct
10	Correct	12 ms	23824 KB	Output is correct
11	Correct	14 ms	23700 KB	Output is correct
12	Correct	12 ms	23696 KB	Output is correct
13	Correct	13 ms	23764 KB	Output is correct
14	Correct	13 ms	23708 KB	Output is correct
15	Correct	12 ms	23764 KB	Output is correct
16	Correct	12 ms	23720 KB	Output is correct
17	Correct	12 ms	23776 KB	Output is correct
18	Correct	12 ms	23764 KB	Output is correct
19	Correct	12 ms	23756 KB	Output is correct
20	Correct	12 ms	23764 KB	Output is correct
21	Correct	12 ms	23816 KB	Output is correct
22	Correct	12 ms	23764 KB	Output is correct
23	Correct	13 ms	23764 KB	Output is correct
24	Correct	15 ms	23760 KB	Output is correct
25	Correct	15 ms	24020 KB	Output is correct
26	Correct	16 ms	24276 KB	Output is correct
27	Correct	14 ms	24148 KB	Output is correct
28	Correct	15 ms	24312 KB	Output is correct
29	Correct	13 ms	24148 KB	Output is correct
30	Correct	14 ms	24236 KB	Output is correct
31	Correct	15 ms	24124 KB	Output is correct
32	Correct	15 ms	24148 KB	Output is correct
33	Correct	14 ms	24096 KB	Output is correct
34	Correct	14 ms	24088 KB	Output is correct
35	Correct	12 ms	23764 KB	Output is correct
36	Correct	14 ms	23944 KB	Output is correct
37	Correct	50 ms	40012 KB	Output is correct
38	Correct	33 ms	31936 KB	Output is correct
39	Correct	14 ms	23852 KB	Output is correct
40	Correct	13 ms	23840 KB	Output is correct
41	Correct	35 ms	32036 KB	Output is correct
42	Correct	34 ms	31912 KB	Output is correct
43	Correct	13 ms	23852 KB	Output is correct
44	Correct	13 ms	23860 KB	Output is correct
45	Correct	139 ms	55188 KB	Output is correct
46	Correct	247 ms	96092 KB	Output is correct
47	Correct	105 ms	42364 KB	Output is correct
48	Correct	231 ms	94076 KB	Output is correct
49	Correct	122 ms	49116 KB	Output is correct
50	Correct	228 ms	93876 KB	Output is correct
51	Correct	144 ms	58824 KB	Output is correct
52	Correct	44 ms	26200 KB	Output is correct
53	Correct	58 ms	30840 KB	Output is correct
54	Runtime error	2994 ms	1048576 KB	Execution killed with signal 9
55	Halted	0 ms	0 KB	-

Subtask #4
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	23816 KB	Output is correct
2	Correct	12 ms	23800 KB	Output is correct
3	Correct	12 ms	23760 KB	Output is correct
4	Correct	12 ms	23764 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	13 ms	23764 KB	Output is correct
7	Correct	14 ms	23764 KB	Output is correct
8	Correct	13 ms	23820 KB	Output is correct
9	Correct	12 ms	23752 KB	Output is correct
10	Correct	12 ms	23824 KB	Output is correct
11	Correct	14 ms	23700 KB	Output is correct
12	Correct	12 ms	23696 KB	Output is correct
13	Correct	13 ms	23764 KB	Output is correct
14	Correct	13 ms	23708 KB	Output is correct
15	Correct	12 ms	23764 KB	Output is correct
16	Correct	12 ms	23720 KB	Output is correct
17	Correct	12 ms	23776 KB	Output is correct
18	Correct	12 ms	23764 KB	Output is correct
19	Correct	12 ms	23756 KB	Output is correct
20	Correct	12 ms	23764 KB	Output is correct
21	Correct	12 ms	23816 KB	Output is correct
22	Correct	12 ms	23764 KB	Output is correct
23	Correct	13 ms	23764 KB	Output is correct
24	Correct	15 ms	23760 KB	Output is correct
25	Correct	15 ms	24020 KB	Output is correct
26	Correct	16 ms	24276 KB	Output is correct
27	Correct	14 ms	24148 KB	Output is correct
28	Correct	15 ms	24312 KB	Output is correct
29	Correct	13 ms	24148 KB	Output is correct
30	Correct	14 ms	24236 KB	Output is correct
31	Correct	15 ms	24124 KB	Output is correct
32	Correct	15 ms	24148 KB	Output is correct
33	Correct	14 ms	24096 KB	Output is correct
34	Correct	14 ms	24088 KB	Output is correct
35	Correct	12 ms	23764 KB	Output is correct
36	Correct	14 ms	23944 KB	Output is correct
37	Correct	50 ms	40012 KB	Output is correct
38	Correct	33 ms	31936 KB	Output is correct
39	Correct	14 ms	23852 KB	Output is correct
40	Correct	13 ms	23840 KB	Output is correct
41	Correct	35 ms	32036 KB	Output is correct
42	Correct	34 ms	31912 KB	Output is correct
43	Correct	13 ms	23852 KB	Output is correct
44	Correct	13 ms	23860 KB	Output is correct
45	Correct	139 ms	55188 KB	Output is correct
46	Correct	247 ms	96092 KB	Output is correct
47	Correct	105 ms	42364 KB	Output is correct
48	Correct	231 ms	94076 KB	Output is correct
49	Correct	122 ms	49116 KB	Output is correct
50	Correct	228 ms	93876 KB	Output is correct
51	Correct	144 ms	58824 KB	Output is correct
52	Correct	44 ms	26200 KB	Output is correct
53	Correct	58 ms	30840 KB	Output is correct
54	Runtime error	2994 ms	1048576 KB	Execution killed with signal 9
55	Halted	0 ms	0 KB	-

답안 #550759

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