#include <bits/stdc++.h>
using namespace std;
const int MAXN=1500;
int n;
int sz[MAXN];
int link[MAXN];
int state[MAXN][MAXN]; // 0 is undetermined
// 1 is connected
// -1 is disconnected
int echo[MAXN][MAXN];
int emp(int a)
{
while(a!=link[a]) a=link[a];
return a;
}
void join(int a, int b)
{
a=emp(a);
b=emp(b);
if(a==b) return;
if(sz[b]>sz[a]) swap(a,b);
sz[a]+=sz[b];
link[b]=a;
// update echo[a][...] and echo[...][a]
for(int i=0; i<n; i++)
{
echo[a][i] += echo[b][i];
echo[i][a] += echo[b][i];
}
}
void initialize(int n_raw)
{
n=n_raw;
for(int i=0; i<n; i++)
{
sz[i]=1;
link[i]=i;
}
}
int hasEdge(int u, int v)
{
int u_emp = emp(u);
int v_emp = emp(v);
if(echo[u_emp][v_emp] != sz[u_emp]*sz[v_emp] - 1)
{
state[u][v]=-1;
state[v][u]=-1;
echo[u_emp][v_emp]++;
echo[v_emp][u_emp]++;
#ifdef ARTHUR_LOCAL
// cout << state[i][j]i << " " << j << " ";
cout << 0 << endl;
#endif
return 0;
}
state[u][v]=1;
state[v][u]=1;
join(u,v);
#ifdef ARTHUR_LOCAL
cout << 1 << endl;
#endif
return 1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 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 |
376 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 |
376 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 |
2 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 |
3 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 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 |
376 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 |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
380 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
364 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 |
380 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
632 KB |
Output is correct |
26 |
Correct |
2 ms |
632 KB |
Output is correct |
27 |
Correct |
2 ms |
632 KB |
Output is correct |
28 |
Correct |
2 ms |
632 KB |
Output is correct |
29 |
Correct |
2 ms |
632 KB |
Output is correct |
30 |
Correct |
2 ms |
632 KB |
Output is correct |
31 |
Correct |
2 ms |
632 KB |
Output is correct |
32 |
Correct |
2 ms |
632 KB |
Output is correct |
33 |
Correct |
2 ms |
632 KB |
Output is correct |
34 |
Correct |
3 ms |
1016 KB |
Output is correct |
35 |
Correct |
4 ms |
1016 KB |
Output is correct |
36 |
Correct |
3 ms |
1016 KB |
Output is correct |
37 |
Correct |
3 ms |
1116 KB |
Output is correct |
38 |
Correct |
3 ms |
1016 KB |
Output is correct |
39 |
Correct |
3 ms |
1016 KB |
Output is correct |
40 |
Correct |
4 ms |
1016 KB |
Output is correct |
41 |
Correct |
4 ms |
1020 KB |
Output is correct |
42 |
Correct |
3 ms |
1016 KB |
Output is correct |
43 |
Correct |
3 ms |
1016 KB |
Output is correct |
44 |
Correct |
3 ms |
1016 KB |
Output is correct |
45 |
Correct |
4 ms |
1140 KB |
Output is correct |
46 |
Correct |
3 ms |
1016 KB |
Output is correct |
47 |
Correct |
4 ms |
1016 KB |
Output is correct |
48 |
Correct |
4 ms |
1144 KB |
Output is correct |
49 |
Correct |
4 ms |
1016 KB |
Output is correct |
50 |
Correct |
3 ms |
1016 KB |
Output is correct |
51 |
Correct |
3 ms |
1016 KB |
Output is correct |
52 |
Correct |
4 ms |
1016 KB |
Output is correct |
53 |
Correct |
3 ms |
1060 KB |
Output is correct |
54 |
Correct |
3 ms |
1144 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
352 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 |
380 KB |
Output is correct |
8 |
Correct |
2 ms |
348 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 |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
380 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 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 |
296 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
364 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
632 KB |
Output is correct |
26 |
Correct |
2 ms |
632 KB |
Output is correct |
27 |
Correct |
3 ms |
632 KB |
Output is correct |
28 |
Correct |
2 ms |
652 KB |
Output is correct |
29 |
Correct |
3 ms |
616 KB |
Output is correct |
30 |
Correct |
2 ms |
632 KB |
Output is correct |
31 |
Correct |
2 ms |
604 KB |
Output is correct |
32 |
Correct |
2 ms |
604 KB |
Output is correct |
33 |
Correct |
2 ms |
632 KB |
Output is correct |
34 |
Correct |
4 ms |
1144 KB |
Output is correct |
35 |
Correct |
4 ms |
1048 KB |
Output is correct |
36 |
Correct |
4 ms |
1016 KB |
Output is correct |
37 |
Correct |
4 ms |
1144 KB |
Output is correct |
38 |
Correct |
3 ms |
1016 KB |
Output is correct |
39 |
Correct |
4 ms |
1016 KB |
Output is correct |
40 |
Correct |
4 ms |
1016 KB |
Output is correct |
41 |
Correct |
3 ms |
1016 KB |
Output is correct |
42 |
Correct |
3 ms |
1016 KB |
Output is correct |
43 |
Correct |
3 ms |
1016 KB |
Output is correct |
44 |
Correct |
3 ms |
1016 KB |
Output is correct |
45 |
Correct |
4 ms |
1016 KB |
Output is correct |
46 |
Correct |
3 ms |
1016 KB |
Output is correct |
47 |
Correct |
3 ms |
1016 KB |
Output is correct |
48 |
Correct |
3 ms |
1016 KB |
Output is correct |
49 |
Correct |
3 ms |
1016 KB |
Output is correct |
50 |
Correct |
4 ms |
1144 KB |
Output is correct |
51 |
Correct |
3 ms |
1020 KB |
Output is correct |
52 |
Correct |
3 ms |
1016 KB |
Output is correct |
53 |
Correct |
4 ms |
1016 KB |
Output is correct |
54 |
Correct |
4 ms |
1144 KB |
Output is correct |
55 |
Correct |
61 ms |
7648 KB |
Output is correct |
56 |
Correct |
62 ms |
7544 KB |
Output is correct |
57 |
Correct |
64 ms |
7544 KB |
Output is correct |
58 |
Correct |
63 ms |
7544 KB |
Output is correct |
59 |
Correct |
61 ms |
7544 KB |
Output is correct |
60 |
Correct |
64 ms |
7672 KB |
Output is correct |
61 |
Correct |
64 ms |
7580 KB |
Output is correct |
62 |
Correct |
61 ms |
7544 KB |
Output is correct |
63 |
Correct |
65 ms |
7672 KB |
Output is correct |
64 |
Correct |
49 ms |
7164 KB |
Output is correct |
65 |
Correct |
48 ms |
7288 KB |
Output is correct |
66 |
Correct |
64 ms |
8184 KB |
Output is correct |
67 |
Correct |
63 ms |
8184 KB |
Output is correct |
68 |
Correct |
62 ms |
8236 KB |
Output is correct |
69 |
Correct |
62 ms |
8064 KB |
Output is correct |
70 |
Correct |
64 ms |
8148 KB |
Output is correct |
71 |
Correct |
59 ms |
8184 KB |
Output is correct |
72 |
Correct |
59 ms |
8172 KB |
Output is correct |
73 |
Correct |
60 ms |
8108 KB |
Output is correct |
74 |
Correct |
63 ms |
8056 KB |
Output is correct |
75 |
Correct |
61 ms |
8152 KB |
Output is correct |
76 |
Correct |
176 ms |
13508 KB |
Output is correct |
77 |
Correct |
165 ms |
13560 KB |
Output is correct |
78 |
Correct |
161 ms |
13484 KB |
Output is correct |
79 |
Correct |
176 ms |
13536 KB |
Output is correct |
80 |
Correct |
168 ms |
13440 KB |
Output is correct |
81 |
Correct |
179 ms |
13496 KB |
Output is correct |
82 |
Correct |
212 ms |
13540 KB |
Output is correct |
83 |
Correct |
167 ms |
13560 KB |
Output is correct |
84 |
Correct |
159 ms |
13544 KB |
Output is correct |
85 |
Correct |
317 ms |
19576 KB |
Output is correct |
86 |
Correct |
300 ms |
19696 KB |
Output is correct |
87 |
Correct |
305 ms |
19448 KB |
Output is correct |
88 |
Correct |
323 ms |
19440 KB |
Output is correct |
89 |
Correct |
315 ms |
19652 KB |
Output is correct |
90 |
Correct |
323 ms |
19552 KB |
Output is correct |
91 |
Correct |
328 ms |
19404 KB |
Output is correct |
92 |
Correct |
350 ms |
19500 KB |
Output is correct |
93 |
Correct |
393 ms |
19448 KB |
Output is correct |
94 |
Correct |
754 ms |
34024 KB |
Output is correct |
95 |
Correct |
738 ms |
34124 KB |
Output is correct |
96 |
Correct |
749 ms |
34040 KB |
Output is correct |
97 |
Correct |
762 ms |
34028 KB |
Output is correct |
98 |
Correct |
745 ms |
34012 KB |
Output is correct |
99 |
Correct |
746 ms |
34040 KB |
Output is correct |
100 |
Correct |
793 ms |
34172 KB |
Output is correct |