# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
28211 | 2017-07-15T18:45:10 Z | top34051 | Port Facility (JOI17_port_facility) | C++14 | 2013 ms | 74152 KB |
#include<bits/stdc++.h> using namespace std; #define maxn 1000005 #define mod 1000000007LL int n; int head[maxn*2]; bool check[maxn*2]; pair<int,int> p[maxn]; map<int,int> pos; int findhead(int x) { if(x==head[x]) return x; return head[x] = findhead(head[x]); } void fus(int x,int y) { head[findhead(x)] = findhead(y); } main() { int i; long long ans; map<int,int>::iterator st,ft; scanf("%d",&n); for(i=0;i<n;i++) scanf("%d%d",&p[i].first,&p[i].second); sort(&p[0],&p[n]); for(i=0;i<n*2;i++) head[i] = i; for(i=0;i<n;i++) { st = pos.lower_bound(p[i].first); ft = pos.lower_bound(p[i].second); while(st!=ft) { fus(i,st->second+n); fus(i+n,st->second); if(findhead(st->second)==findhead((--ft)->second)) break; ++ft; st++; } pos[p[i].second] = i; } ans = 1; for(i=0;i<n;i++) { if(findhead(i)==findhead(i+n)) ans = 0; else check[findhead(i)] = check[findhead(i+n)] = 1; } for(i=0;i<n;i++) if(check[i]) ans = (ans*2)%mod; printf("%lld",ans); }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 19600 KB | Output is correct |
2 | Correct | 0 ms | 19600 KB | Output is correct |
3 | Correct | 0 ms | 19600 KB | Output is correct |
4 | Correct | 0 ms | 19600 KB | Output is correct |
5 | Correct | 0 ms | 19600 KB | Output is correct |
6 | Correct | 0 ms | 19600 KB | Output is correct |
7 | Correct | 0 ms | 19600 KB | Output is correct |
8 | Correct | 0 ms | 19600 KB | Output is correct |
9 | Correct | 0 ms | 19600 KB | Output is correct |
10 | Correct | 0 ms | 19600 KB | Output is correct |
11 | Correct | 0 ms | 19600 KB | Output is correct |
12 | Correct | 0 ms | 19600 KB | Output is correct |
13 | Correct | 0 ms | 19600 KB | Output is correct |
14 | Correct | 0 ms | 19600 KB | Output is correct |
15 | Correct | 0 ms | 19600 KB | Output is correct |
16 | Correct | 0 ms | 19600 KB | Output is correct |
17 | Correct | 0 ms | 19600 KB | Output is correct |
18 | Correct | 0 ms | 19600 KB | Output is correct |
19 | Correct | 0 ms | 19600 KB | Output is correct |
20 | Correct | 0 ms | 19600 KB | Output is correct |
21 | Correct | 0 ms | 19600 KB | Output is correct |
22 | Correct | 0 ms | 19600 KB | Output is correct |
23 | Correct | 0 ms | 19600 KB | Output is correct |
24 | Correct | 0 ms | 19600 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 19600 KB | Output is correct |
2 | Correct | 0 ms | 19600 KB | Output is correct |
3 | Correct | 0 ms | 19600 KB | Output is correct |
4 | Correct | 0 ms | 19600 KB | Output is correct |
5 | Correct | 0 ms | 19600 KB | Output is correct |
6 | Correct | 0 ms | 19600 KB | Output is correct |
7 | Correct | 0 ms | 19600 KB | Output is correct |
8 | Correct | 0 ms | 19600 KB | Output is correct |
9 | Correct | 0 ms | 19600 KB | Output is correct |
10 | Correct | 0 ms | 19600 KB | Output is correct |
11 | Correct | 0 ms | 19600 KB | Output is correct |
12 | Correct | 0 ms | 19600 KB | Output is correct |
13 | Correct | 0 ms | 19600 KB | Output is correct |
14 | Correct | 0 ms | 19600 KB | Output is correct |
15 | Correct | 0 ms | 19600 KB | Output is correct |
16 | Correct | 0 ms | 19600 KB | Output is correct |
17 | Correct | 0 ms | 19600 KB | Output is correct |
18 | Correct | 0 ms | 19600 KB | Output is correct |
19 | Correct | 0 ms | 19600 KB | Output is correct |
20 | Correct | 0 ms | 19600 KB | Output is correct |
21 | Correct | 0 ms | 19600 KB | Output is correct |
22 | Correct | 0 ms | 19600 KB | Output is correct |
23 | Correct | 0 ms | 19600 KB | Output is correct |
24 | Correct | 0 ms | 19600 KB | Output is correct |
25 | Correct | 0 ms | 19732 KB | Output is correct |
26 | Correct | 0 ms | 19732 KB | Output is correct |
27 | Correct | 0 ms | 19732 KB | Output is correct |
28 | Correct | 0 ms | 19732 KB | Output is correct |
29 | Correct | 0 ms | 19732 KB | Output is correct |
30 | Correct | 0 ms | 19732 KB | Output is correct |
31 | Correct | 0 ms | 19732 KB | Output is correct |
32 | Correct | 0 ms | 19732 KB | Output is correct |
33 | Correct | 0 ms | 19732 KB | Output is correct |
34 | Correct | 0 ms | 19732 KB | Output is correct |
35 | Correct | 0 ms | 19732 KB | Output is correct |
36 | Correct | 0 ms | 19732 KB | Output is correct |
37 | Correct | 0 ms | 19732 KB | Output is correct |
38 | Correct | 0 ms | 19732 KB | Output is correct |
39 | Correct | 0 ms | 19732 KB | Output is correct |
40 | Correct | 0 ms | 19732 KB | Output is correct |
41 | Correct | 0 ms | 19732 KB | Output is correct |
42 | Correct | 0 ms | 19732 KB | Output is correct |
43 | Correct | 0 ms | 19732 KB | Output is correct |
44 | Correct | 0 ms | 19732 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 19600 KB | Output is correct |
2 | Correct | 0 ms | 19600 KB | Output is correct |
3 | Correct | 0 ms | 19600 KB | Output is correct |
4 | Correct | 0 ms | 19600 KB | Output is correct |
5 | Correct | 0 ms | 19600 KB | Output is correct |
6 | Correct | 0 ms | 19600 KB | Output is correct |
7 | Correct | 0 ms | 19600 KB | Output is correct |
8 | Correct | 0 ms | 19600 KB | Output is correct |
9 | Correct | 0 ms | 19600 KB | Output is correct |
10 | Correct | 0 ms | 19600 KB | Output is correct |
11 | Correct | 0 ms | 19600 KB | Output is correct |
12 | Correct | 0 ms | 19600 KB | Output is correct |
13 | Correct | 0 ms | 19600 KB | Output is correct |
14 | Correct | 0 ms | 19600 KB | Output is correct |
15 | Correct | 0 ms | 19600 KB | Output is correct |
16 | Correct | 0 ms | 19600 KB | Output is correct |
17 | Correct | 0 ms | 19600 KB | Output is correct |
18 | Correct | 0 ms | 19600 KB | Output is correct |
19 | Correct | 0 ms | 19600 KB | Output is correct |
20 | Correct | 0 ms | 19600 KB | Output is correct |
21 | Correct | 0 ms | 19600 KB | Output is correct |
22 | Correct | 0 ms | 19600 KB | Output is correct |
23 | Correct | 0 ms | 19600 KB | Output is correct |
24 | Correct | 0 ms | 19600 KB | Output is correct |
25 | Correct | 0 ms | 19732 KB | Output is correct |
26 | Correct | 0 ms | 19732 KB | Output is correct |
27 | Correct | 0 ms | 19732 KB | Output is correct |
28 | Correct | 0 ms | 19732 KB | Output is correct |
29 | Correct | 0 ms | 19732 KB | Output is correct |
30 | Correct | 0 ms | 19732 KB | Output is correct |
31 | Correct | 0 ms | 19732 KB | Output is correct |
32 | Correct | 0 ms | 19732 KB | Output is correct |
33 | Correct | 0 ms | 19732 KB | Output is correct |
34 | Correct | 0 ms | 19732 KB | Output is correct |
35 | Correct | 0 ms | 19732 KB | Output is correct |
36 | Correct | 0 ms | 19732 KB | Output is correct |
37 | Correct | 0 ms | 19732 KB | Output is correct |
38 | Correct | 0 ms | 19732 KB | Output is correct |
39 | Correct | 0 ms | 19732 KB | Output is correct |
40 | Correct | 0 ms | 19732 KB | Output is correct |
41 | Correct | 0 ms | 19732 KB | Output is correct |
42 | Correct | 0 ms | 19732 KB | Output is correct |
43 | Correct | 0 ms | 19732 KB | Output is correct |
44 | Correct | 0 ms | 19732 KB | Output is correct |
45 | Correct | 83 ms | 24352 KB | Output is correct |
46 | Correct | 83 ms | 24352 KB | Output is correct |
47 | Correct | 86 ms | 24352 KB | Output is correct |
48 | Correct | 79 ms | 24352 KB | Output is correct |
49 | Correct | 76 ms | 24352 KB | Output is correct |
50 | Correct | 79 ms | 24352 KB | Output is correct |
51 | Correct | 96 ms | 24352 KB | Output is correct |
52 | Correct | 89 ms | 24352 KB | Output is correct |
53 | Correct | 86 ms | 24352 KB | Output is correct |
54 | Correct | 76 ms | 24352 KB | Output is correct |
55 | Correct | 69 ms | 24352 KB | Output is correct |
56 | Correct | 76 ms | 24352 KB | Output is correct |
57 | Correct | 83 ms | 24352 KB | Output is correct |
58 | Correct | 89 ms | 24352 KB | Output is correct |
59 | Correct | 83 ms | 24352 KB | Output is correct |
60 | Correct | 83 ms | 24352 KB | Output is correct |
61 | Correct | 79 ms | 24352 KB | Output is correct |
62 | Correct | 76 ms | 24352 KB | Output is correct |
63 | Correct | 79 ms | 24352 KB | Output is correct |
64 | Correct | 83 ms | 24352 KB | Output is correct |
65 | Correct | 106 ms | 24352 KB | Output is correct |
66 | Correct | 106 ms | 24352 KB | Output is correct |
67 | Correct | 86 ms | 25008 KB | Output is correct |
68 | Correct | 89 ms | 25008 KB | Output is correct |
69 | Correct | 86 ms | 24744 KB | Output is correct |
70 | Correct | 93 ms | 24744 KB | Output is correct |
71 | Correct | 93 ms | 25008 KB | Output is correct |
72 | Correct | 96 ms | 25012 KB | Output is correct |
73 | Correct | 99 ms | 24744 KB | Output is correct |
74 | Correct | 93 ms | 24748 KB | Output is correct |
75 | Correct | 89 ms | 24352 KB | Output is correct |
76 | Correct | 93 ms | 24352 KB | Output is correct |
77 | Correct | 93 ms | 24352 KB | Output is correct |
78 | Correct | 89 ms | 24352 KB | Output is correct |
79 | Correct | 83 ms | 24352 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 19600 KB | Output is correct |
2 | Correct | 0 ms | 19600 KB | Output is correct |
3 | Correct | 0 ms | 19600 KB | Output is correct |
4 | Correct | 0 ms | 19600 KB | Output is correct |
5 | Correct | 0 ms | 19600 KB | Output is correct |
6 | Correct | 0 ms | 19600 KB | Output is correct |
7 | Correct | 0 ms | 19600 KB | Output is correct |
8 | Correct | 0 ms | 19600 KB | Output is correct |
9 | Correct | 0 ms | 19600 KB | Output is correct |
10 | Correct | 0 ms | 19600 KB | Output is correct |
11 | Correct | 0 ms | 19600 KB | Output is correct |
12 | Correct | 0 ms | 19600 KB | Output is correct |
13 | Correct | 0 ms | 19600 KB | Output is correct |
14 | Correct | 0 ms | 19600 KB | Output is correct |
15 | Correct | 0 ms | 19600 KB | Output is correct |
16 | Correct | 0 ms | 19600 KB | Output is correct |
17 | Correct | 0 ms | 19600 KB | Output is correct |
18 | Correct | 0 ms | 19600 KB | Output is correct |
19 | Correct | 0 ms | 19600 KB | Output is correct |
20 | Correct | 0 ms | 19600 KB | Output is correct |
21 | Correct | 0 ms | 19600 KB | Output is correct |
22 | Correct | 0 ms | 19600 KB | Output is correct |
23 | Correct | 0 ms | 19600 KB | Output is correct |
24 | Correct | 0 ms | 19600 KB | Output is correct |
25 | Correct | 0 ms | 19732 KB | Output is correct |
26 | Correct | 0 ms | 19732 KB | Output is correct |
27 | Correct | 0 ms | 19732 KB | Output is correct |
28 | Correct | 0 ms | 19732 KB | Output is correct |
29 | Correct | 0 ms | 19732 KB | Output is correct |
30 | Correct | 0 ms | 19732 KB | Output is correct |
31 | Correct | 0 ms | 19732 KB | Output is correct |
32 | Correct | 0 ms | 19732 KB | Output is correct |
33 | Correct | 0 ms | 19732 KB | Output is correct |
34 | Correct | 0 ms | 19732 KB | Output is correct |
35 | Correct | 0 ms | 19732 KB | Output is correct |
36 | Correct | 0 ms | 19732 KB | Output is correct |
37 | Correct | 0 ms | 19732 KB | Output is correct |
38 | Correct | 0 ms | 19732 KB | Output is correct |
39 | Correct | 0 ms | 19732 KB | Output is correct |
40 | Correct | 0 ms | 19732 KB | Output is correct |
41 | Correct | 0 ms | 19732 KB | Output is correct |
42 | Correct | 0 ms | 19732 KB | Output is correct |
43 | Correct | 0 ms | 19732 KB | Output is correct |
44 | Correct | 0 ms | 19732 KB | Output is correct |
45 | Correct | 83 ms | 24352 KB | Output is correct |
46 | Correct | 83 ms | 24352 KB | Output is correct |
47 | Correct | 86 ms | 24352 KB | Output is correct |
48 | Correct | 79 ms | 24352 KB | Output is correct |
49 | Correct | 76 ms | 24352 KB | Output is correct |
50 | Correct | 79 ms | 24352 KB | Output is correct |
51 | Correct | 96 ms | 24352 KB | Output is correct |
52 | Correct | 89 ms | 24352 KB | Output is correct |
53 | Correct | 86 ms | 24352 KB | Output is correct |
54 | Correct | 76 ms | 24352 KB | Output is correct |
55 | Correct | 69 ms | 24352 KB | Output is correct |
56 | Correct | 76 ms | 24352 KB | Output is correct |
57 | Correct | 83 ms | 24352 KB | Output is correct |
58 | Correct | 89 ms | 24352 KB | Output is correct |
59 | Correct | 83 ms | 24352 KB | Output is correct |
60 | Correct | 83 ms | 24352 KB | Output is correct |
61 | Correct | 79 ms | 24352 KB | Output is correct |
62 | Correct | 76 ms | 24352 KB | Output is correct |
63 | Correct | 79 ms | 24352 KB | Output is correct |
64 | Correct | 83 ms | 24352 KB | Output is correct |
65 | Correct | 106 ms | 24352 KB | Output is correct |
66 | Correct | 106 ms | 24352 KB | Output is correct |
67 | Correct | 86 ms | 25008 KB | Output is correct |
68 | Correct | 89 ms | 25008 KB | Output is correct |
69 | Correct | 86 ms | 24744 KB | Output is correct |
70 | Correct | 93 ms | 24744 KB | Output is correct |
71 | Correct | 93 ms | 25008 KB | Output is correct |
72 | Correct | 96 ms | 25012 KB | Output is correct |
73 | Correct | 99 ms | 24744 KB | Output is correct |
74 | Correct | 93 ms | 24748 KB | Output is correct |
75 | Correct | 89 ms | 24352 KB | Output is correct |
76 | Correct | 93 ms | 24352 KB | Output is correct |
77 | Correct | 93 ms | 24352 KB | Output is correct |
78 | Correct | 89 ms | 24352 KB | Output is correct |
79 | Correct | 83 ms | 24352 KB | Output is correct |
80 | Correct | 946 ms | 66460 KB | Output is correct |
81 | Correct | 953 ms | 66460 KB | Output is correct |
82 | Correct | 979 ms | 66460 KB | Output is correct |
83 | Correct | 913 ms | 66460 KB | Output is correct |
84 | Correct | 933 ms | 66460 KB | Output is correct |
85 | Correct | 926 ms | 66460 KB | Output is correct |
86 | Correct | 933 ms | 66460 KB | Output is correct |
87 | Correct | 1176 ms | 66460 KB | Output is correct |
88 | Correct | 1233 ms | 66460 KB | Output is correct |
89 | Correct | 1169 ms | 66460 KB | Output is correct |
90 | Correct | 1123 ms | 66460 KB | Output is correct |
91 | Correct | 1053 ms | 66460 KB | Output is correct |
92 | Correct | 1193 ms | 66460 KB | Output is correct |
93 | Correct | 1146 ms | 66460 KB | Output is correct |
94 | Correct | 826 ms | 66460 KB | Output is correct |
95 | Correct | 936 ms | 66460 KB | Output is correct |
96 | Correct | 899 ms | 66460 KB | Output is correct |
97 | Correct | 796 ms | 66460 KB | Output is correct |
98 | Correct | 936 ms | 66460 KB | Output is correct |
99 | Correct | 863 ms | 66460 KB | Output is correct |
100 | Correct | 1926 ms | 66460 KB | Output is correct |
101 | Correct | 2013 ms | 66460 KB | Output is correct |
102 | Correct | 1339 ms | 74152 KB | Output is correct |
103 | Correct | 1246 ms | 74148 KB | Output is correct |
104 | Correct | 1246 ms | 71548 KB | Output is correct |
105 | Correct | 1253 ms | 71540 KB | Output is correct |
106 | Correct | 1359 ms | 74148 KB | Output is correct |
107 | Correct | 1376 ms | 74152 KB | Output is correct |
108 | Correct | 1349 ms | 71540 KB | Output is correct |
109 | Correct | 1429 ms | 71540 KB | Output is correct |
110 | Correct | 1253 ms | 66460 KB | Output is correct |
111 | Correct | 1293 ms | 66460 KB | Output is correct |
112 | Correct | 1263 ms | 66460 KB | Output is correct |
113 | Correct | 913 ms | 66460 KB | Output is correct |
114 | Correct | 973 ms | 66460 KB | Output is correct |