# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
27819 | 2017-07-14T07:10:35 Z | tlwpdus | Port Facility (JOI17_port_facility) | C++11 | 1443 ms | 103448 KB |
// N^2 #include <bits/stdc++.h> #define x first #define y second using namespace std; typedef long long ll; typedef pair<int,int> pii; map<int,int> ma; vector<int> lis[1000100]; int n; ll MOD = 1000000007, res = 1; pii arr[1000100]; int par[2000100], chk[2000100]; int fin(int a) {return par[a] = ((par[a]==a)?a:fin(par[a]));} void uni(int a, int b) {par[fin(a)]=fin(b);} void good(int a, int b) {uni(a,b);uni(a+n,b+n);} void bad(int a, int b) {uni(a,b+n);uni(a+n,b);} int main() { int i; scanf("%d",&n); for (i=0;i<n;i++) { scanf("%d%d",&arr[i].x,&arr[i].y); } for (i=0;i<2*n;i++) par[i] = i; sort(arr,arr+n); for (i=0;i<n;i++) { auto it = ma.lower_bound(arr[i].x), ed = ma.lower_bound(arr[i].y); while(it!=ed) { auto pit = --ed; ++ed; bad(i,it->second); if (fin(it->second)==fin(pit->second)) break; it++; } if (fin(i)==fin(i+n)) { printf("0\n"); return 0; } ma[arr[i].y] = i; } for (i=0;i<n;i++) { if (fin(i)==fin(i+n)) res = 0; else chk[fin(i)] = chk[fin(i+n)] = 1; } for (i=0;i<n;i++) if (chk[i]) res = res*2%MOD; printf("%lld\n",res); return 0; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 48900 KB | Output is correct |
2 | Correct | 6 ms | 48900 KB | Output is correct |
3 | Correct | 13 ms | 48900 KB | Output is correct |
4 | Correct | 6 ms | 48900 KB | Output is correct |
5 | Correct | 0 ms | 48900 KB | Output is correct |
6 | Correct | 3 ms | 48900 KB | Output is correct |
7 | Correct | 3 ms | 48900 KB | Output is correct |
8 | Correct | 6 ms | 48900 KB | Output is correct |
9 | Correct | 0 ms | 48900 KB | Output is correct |
10 | Correct | 3 ms | 48900 KB | Output is correct |
11 | Correct | 9 ms | 48900 KB | Output is correct |
12 | Correct | 6 ms | 48900 KB | Output is correct |
13 | Correct | 9 ms | 48900 KB | Output is correct |
14 | Correct | 6 ms | 48900 KB | Output is correct |
15 | Correct | 3 ms | 48900 KB | Output is correct |
16 | Correct | 6 ms | 48900 KB | Output is correct |
17 | Correct | 0 ms | 48900 KB | Output is correct |
18 | Correct | 9 ms | 48900 KB | Output is correct |
19 | Correct | 3 ms | 48900 KB | Output is correct |
20 | Correct | 6 ms | 48900 KB | Output is correct |
21 | Correct | 0 ms | 48900 KB | Output is correct |
22 | Correct | 0 ms | 48900 KB | Output is correct |
23 | Correct | 6 ms | 48900 KB | Output is correct |
24 | Correct | 13 ms | 48900 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 48900 KB | Output is correct |
2 | Correct | 6 ms | 48900 KB | Output is correct |
3 | Correct | 13 ms | 48900 KB | Output is correct |
4 | Correct | 6 ms | 48900 KB | Output is correct |
5 | Correct | 0 ms | 48900 KB | Output is correct |
6 | Correct | 3 ms | 48900 KB | Output is correct |
7 | Correct | 3 ms | 48900 KB | Output is correct |
8 | Correct | 6 ms | 48900 KB | Output is correct |
9 | Correct | 0 ms | 48900 KB | Output is correct |
10 | Correct | 3 ms | 48900 KB | Output is correct |
11 | Correct | 9 ms | 48900 KB | Output is correct |
12 | Correct | 6 ms | 48900 KB | Output is correct |
13 | Correct | 9 ms | 48900 KB | Output is correct |
14 | Correct | 6 ms | 48900 KB | Output is correct |
15 | Correct | 3 ms | 48900 KB | Output is correct |
16 | Correct | 6 ms | 48900 KB | Output is correct |
17 | Correct | 0 ms | 48900 KB | Output is correct |
18 | Correct | 9 ms | 48900 KB | Output is correct |
19 | Correct | 3 ms | 48900 KB | Output is correct |
20 | Correct | 6 ms | 48900 KB | Output is correct |
21 | Correct | 0 ms | 48900 KB | Output is correct |
22 | Correct | 0 ms | 48900 KB | Output is correct |
23 | Correct | 6 ms | 48900 KB | Output is correct |
24 | Correct | 13 ms | 48900 KB | Output is correct |
25 | Correct | 3 ms | 49032 KB | Output is correct |
26 | Correct | 3 ms | 49032 KB | Output is correct |
27 | Correct | 6 ms | 49032 KB | Output is correct |
28 | Correct | 3 ms | 49032 KB | Output is correct |
29 | Correct | 6 ms | 49032 KB | Output is correct |
30 | Correct | 6 ms | 49032 KB | Output is correct |
31 | Correct | 3 ms | 49032 KB | Output is correct |
32 | Correct | 3 ms | 49032 KB | Output is correct |
33 | Correct | 3 ms | 49032 KB | Output is correct |
34 | Correct | 6 ms | 48900 KB | Output is correct |
35 | Correct | 6 ms | 49032 KB | Output is correct |
36 | Correct | 3 ms | 49032 KB | Output is correct |
37 | Correct | 6 ms | 48900 KB | Output is correct |
38 | Correct | 3 ms | 48900 KB | Output is correct |
39 | Correct | 13 ms | 49032 KB | Output is correct |
40 | Correct | 6 ms | 49032 KB | Output is correct |
41 | Correct | 6 ms | 49032 KB | Output is correct |
42 | Correct | 6 ms | 49032 KB | Output is correct |
43 | Correct | 9 ms | 49032 KB | Output is correct |
44 | Correct | 6 ms | 49032 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 48900 KB | Output is correct |
2 | Correct | 6 ms | 48900 KB | Output is correct |
3 | Correct | 13 ms | 48900 KB | Output is correct |
4 | Correct | 6 ms | 48900 KB | Output is correct |
5 | Correct | 0 ms | 48900 KB | Output is correct |
6 | Correct | 3 ms | 48900 KB | Output is correct |
7 | Correct | 3 ms | 48900 KB | Output is correct |
8 | Correct | 6 ms | 48900 KB | Output is correct |
9 | Correct | 0 ms | 48900 KB | Output is correct |
10 | Correct | 3 ms | 48900 KB | Output is correct |
11 | Correct | 9 ms | 48900 KB | Output is correct |
12 | Correct | 6 ms | 48900 KB | Output is correct |
13 | Correct | 9 ms | 48900 KB | Output is correct |
14 | Correct | 6 ms | 48900 KB | Output is correct |
15 | Correct | 3 ms | 48900 KB | Output is correct |
16 | Correct | 6 ms | 48900 KB | Output is correct |
17 | Correct | 0 ms | 48900 KB | Output is correct |
18 | Correct | 9 ms | 48900 KB | Output is correct |
19 | Correct | 3 ms | 48900 KB | Output is correct |
20 | Correct | 6 ms | 48900 KB | Output is correct |
21 | Correct | 0 ms | 48900 KB | Output is correct |
22 | Correct | 0 ms | 48900 KB | Output is correct |
23 | Correct | 6 ms | 48900 KB | Output is correct |
24 | Correct | 13 ms | 48900 KB | Output is correct |
25 | Correct | 3 ms | 49032 KB | Output is correct |
26 | Correct | 3 ms | 49032 KB | Output is correct |
27 | Correct | 6 ms | 49032 KB | Output is correct |
28 | Correct | 3 ms | 49032 KB | Output is correct |
29 | Correct | 6 ms | 49032 KB | Output is correct |
30 | Correct | 6 ms | 49032 KB | Output is correct |
31 | Correct | 3 ms | 49032 KB | Output is correct |
32 | Correct | 3 ms | 49032 KB | Output is correct |
33 | Correct | 3 ms | 49032 KB | Output is correct |
34 | Correct | 6 ms | 48900 KB | Output is correct |
35 | Correct | 6 ms | 49032 KB | Output is correct |
36 | Correct | 3 ms | 49032 KB | Output is correct |
37 | Correct | 6 ms | 48900 KB | Output is correct |
38 | Correct | 3 ms | 48900 KB | Output is correct |
39 | Correct | 13 ms | 49032 KB | Output is correct |
40 | Correct | 6 ms | 49032 KB | Output is correct |
41 | Correct | 6 ms | 49032 KB | Output is correct |
42 | Correct | 6 ms | 49032 KB | Output is correct |
43 | Correct | 9 ms | 49032 KB | Output is correct |
44 | Correct | 6 ms | 49032 KB | Output is correct |
45 | Correct | 96 ms | 53652 KB | Output is correct |
46 | Correct | 96 ms | 53652 KB | Output is correct |
47 | Correct | 106 ms | 53652 KB | Output is correct |
48 | Correct | 109 ms | 53652 KB | Output is correct |
49 | Correct | 96 ms | 53652 KB | Output is correct |
50 | Correct | 46 ms | 49956 KB | Output is correct |
51 | Correct | 89 ms | 50880 KB | Output is correct |
52 | Correct | 99 ms | 53652 KB | Output is correct |
53 | Correct | 96 ms | 53652 KB | Output is correct |
54 | Correct | 39 ms | 48900 KB | Output is correct |
55 | Correct | 43 ms | 48900 KB | Output is correct |
56 | Correct | 43 ms | 48900 KB | Output is correct |
57 | Correct | 106 ms | 53652 KB | Output is correct |
58 | Correct | 103 ms | 53652 KB | Output is correct |
59 | Correct | 83 ms | 53652 KB | Output is correct |
60 | Correct | 93 ms | 53652 KB | Output is correct |
61 | Correct | 96 ms | 53652 KB | Output is correct |
62 | Correct | 43 ms | 49032 KB | Output is correct |
63 | Correct | 39 ms | 48900 KB | Output is correct |
64 | Correct | 46 ms | 48900 KB | Output is correct |
65 | Correct | 39 ms | 48900 KB | Output is correct |
66 | Correct | 36 ms | 48900 KB | Output is correct |
67 | Correct | 93 ms | 54312 KB | Output is correct |
68 | Correct | 96 ms | 54304 KB | Output is correct |
69 | Correct | 96 ms | 54048 KB | Output is correct |
70 | Correct | 99 ms | 54048 KB | Output is correct |
71 | Correct | 96 ms | 54308 KB | Output is correct |
72 | Correct | 103 ms | 54312 KB | Output is correct |
73 | Correct | 99 ms | 54052 KB | Output is correct |
74 | Correct | 96 ms | 54052 KB | Output is correct |
75 | Correct | 96 ms | 53652 KB | Output is correct |
76 | Correct | 106 ms | 53652 KB | Output is correct |
77 | Correct | 93 ms | 53652 KB | Output is correct |
78 | Correct | 116 ms | 53652 KB | Output is correct |
79 | Correct | 86 ms | 53652 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 48900 KB | Output is correct |
2 | Correct | 6 ms | 48900 KB | Output is correct |
3 | Correct | 13 ms | 48900 KB | Output is correct |
4 | Correct | 6 ms | 48900 KB | Output is correct |
5 | Correct | 0 ms | 48900 KB | Output is correct |
6 | Correct | 3 ms | 48900 KB | Output is correct |
7 | Correct | 3 ms | 48900 KB | Output is correct |
8 | Correct | 6 ms | 48900 KB | Output is correct |
9 | Correct | 0 ms | 48900 KB | Output is correct |
10 | Correct | 3 ms | 48900 KB | Output is correct |
11 | Correct | 9 ms | 48900 KB | Output is correct |
12 | Correct | 6 ms | 48900 KB | Output is correct |
13 | Correct | 9 ms | 48900 KB | Output is correct |
14 | Correct | 6 ms | 48900 KB | Output is correct |
15 | Correct | 3 ms | 48900 KB | Output is correct |
16 | Correct | 6 ms | 48900 KB | Output is correct |
17 | Correct | 0 ms | 48900 KB | Output is correct |
18 | Correct | 9 ms | 48900 KB | Output is correct |
19 | Correct | 3 ms | 48900 KB | Output is correct |
20 | Correct | 6 ms | 48900 KB | Output is correct |
21 | Correct | 0 ms | 48900 KB | Output is correct |
22 | Correct | 0 ms | 48900 KB | Output is correct |
23 | Correct | 6 ms | 48900 KB | Output is correct |
24 | Correct | 13 ms | 48900 KB | Output is correct |
25 | Correct | 3 ms | 49032 KB | Output is correct |
26 | Correct | 3 ms | 49032 KB | Output is correct |
27 | Correct | 6 ms | 49032 KB | Output is correct |
28 | Correct | 3 ms | 49032 KB | Output is correct |
29 | Correct | 6 ms | 49032 KB | Output is correct |
30 | Correct | 6 ms | 49032 KB | Output is correct |
31 | Correct | 3 ms | 49032 KB | Output is correct |
32 | Correct | 3 ms | 49032 KB | Output is correct |
33 | Correct | 3 ms | 49032 KB | Output is correct |
34 | Correct | 6 ms | 48900 KB | Output is correct |
35 | Correct | 6 ms | 49032 KB | Output is correct |
36 | Correct | 3 ms | 49032 KB | Output is correct |
37 | Correct | 6 ms | 48900 KB | Output is correct |
38 | Correct | 3 ms | 48900 KB | Output is correct |
39 | Correct | 13 ms | 49032 KB | Output is correct |
40 | Correct | 6 ms | 49032 KB | Output is correct |
41 | Correct | 6 ms | 49032 KB | Output is correct |
42 | Correct | 6 ms | 49032 KB | Output is correct |
43 | Correct | 9 ms | 49032 KB | Output is correct |
44 | Correct | 6 ms | 49032 KB | Output is correct |
45 | Correct | 96 ms | 53652 KB | Output is correct |
46 | Correct | 96 ms | 53652 KB | Output is correct |
47 | Correct | 106 ms | 53652 KB | Output is correct |
48 | Correct | 109 ms | 53652 KB | Output is correct |
49 | Correct | 96 ms | 53652 KB | Output is correct |
50 | Correct | 46 ms | 49956 KB | Output is correct |
51 | Correct | 89 ms | 50880 KB | Output is correct |
52 | Correct | 99 ms | 53652 KB | Output is correct |
53 | Correct | 96 ms | 53652 KB | Output is correct |
54 | Correct | 39 ms | 48900 KB | Output is correct |
55 | Correct | 43 ms | 48900 KB | Output is correct |
56 | Correct | 43 ms | 48900 KB | Output is correct |
57 | Correct | 106 ms | 53652 KB | Output is correct |
58 | Correct | 103 ms | 53652 KB | Output is correct |
59 | Correct | 83 ms | 53652 KB | Output is correct |
60 | Correct | 93 ms | 53652 KB | Output is correct |
61 | Correct | 96 ms | 53652 KB | Output is correct |
62 | Correct | 43 ms | 49032 KB | Output is correct |
63 | Correct | 39 ms | 48900 KB | Output is correct |
64 | Correct | 46 ms | 48900 KB | Output is correct |
65 | Correct | 39 ms | 48900 KB | Output is correct |
66 | Correct | 36 ms | 48900 KB | Output is correct |
67 | Correct | 93 ms | 54312 KB | Output is correct |
68 | Correct | 96 ms | 54304 KB | Output is correct |
69 | Correct | 96 ms | 54048 KB | Output is correct |
70 | Correct | 99 ms | 54048 KB | Output is correct |
71 | Correct | 96 ms | 54308 KB | Output is correct |
72 | Correct | 103 ms | 54312 KB | Output is correct |
73 | Correct | 99 ms | 54052 KB | Output is correct |
74 | Correct | 96 ms | 54052 KB | Output is correct |
75 | Correct | 96 ms | 53652 KB | Output is correct |
76 | Correct | 106 ms | 53652 KB | Output is correct |
77 | Correct | 93 ms | 53652 KB | Output is correct |
78 | Correct | 116 ms | 53652 KB | Output is correct |
79 | Correct | 86 ms | 53652 KB | Output is correct |
80 | Correct | 1043 ms | 95760 KB | Output is correct |
81 | Correct | 956 ms | 95760 KB | Output is correct |
82 | Correct | 979 ms | 95760 KB | Output is correct |
83 | Correct | 1026 ms | 95760 KB | Output is correct |
84 | Correct | 939 ms | 95760 KB | Output is correct |
85 | Correct | 586 ms | 66852 KB | Output is correct |
86 | Correct | 649 ms | 72792 KB | Output is correct |
87 | Correct | 1269 ms | 95760 KB | Output is correct |
88 | Correct | 1283 ms | 95760 KB | Output is correct |
89 | Correct | 429 ms | 48900 KB | Output is correct |
90 | Correct | 456 ms | 48900 KB | Output is correct |
91 | Correct | 429 ms | 48900 KB | Output is correct |
92 | Correct | 1309 ms | 95760 KB | Output is correct |
93 | Correct | 1239 ms | 95760 KB | Output is correct |
94 | Correct | 886 ms | 95760 KB | Output is correct |
95 | Correct | 953 ms | 95760 KB | Output is correct |
96 | Correct | 989 ms | 95760 KB | Output is correct |
97 | Correct | 556 ms | 61704 KB | Output is correct |
98 | Correct | 656 ms | 68040 KB | Output is correct |
99 | Correct | 576 ms | 55236 KB | Output is correct |
100 | Correct | 466 ms | 48900 KB | Output is correct |
101 | Correct | 449 ms | 48900 KB | Output is correct |
102 | Correct | 1316 ms | 103448 KB | Output is correct |
103 | Correct | 1269 ms | 103448 KB | Output is correct |
104 | Correct | 1263 ms | 100840 KB | Output is correct |
105 | Correct | 1349 ms | 100848 KB | Output is correct |
106 | Correct | 1386 ms | 103448 KB | Output is correct |
107 | Correct | 1299 ms | 103448 KB | Output is correct |
108 | Correct | 1379 ms | 100844 KB | Output is correct |
109 | Correct | 1443 ms | 100844 KB | Output is correct |
110 | Correct | 1269 ms | 95760 KB | Output is correct |
111 | Correct | 1316 ms | 95760 KB | Output is correct |
112 | Correct | 1333 ms | 95760 KB | Output is correct |
113 | Correct | 1016 ms | 95760 KB | Output is correct |
114 | Correct | 959 ms | 95760 KB | Output is correct |