#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl "\n"
#define INF 1000000000
#define LINF 1000000000000000LL
#define pb push_back
#define all(x) x.begin(), x.end()
#define len(s) (int)s.size()
#define test_case { int t; cin>>t; while(t--)solve(); }
#define single_case solve();
#define line cerr<<"----------"<<endl;
#define ios { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cerr.tie(NULL); }
#define mod 1000000007LL
int n;
const int N = 1505;
int parent[N], s[N];
int cnt[N][N];
vector<int> g[N];
int find_parent(int u)
{
if(parent[u]==u) return u;
return parent[u] = find_parent(parent[u]);
}
void _union(int u, int v)
{
u = find_parent(u);
v = find_parent(v);
if(u!=v)
{
if(s[u]<s[v]) swap(u, v);
for(int i = 1;i<=n;i++)
{
cnt[i][u] += cnt[i][v];
}
for(int x : g[v])
{
g[u].pb(x);
}
parent[v] = u;
s[u] += s[v];
}
}
void initialize(int N)
{
n = N;
for(int i = 1;i<=n;i++) g[i].pb(i);
for(int i = 1;i<=n;i++) parent[i] = i, s[i] = 1;
}
int hasEdge(int u, int v)
{
u++;
v++;
int a = find_parent(u);
int b = find_parent(v);
int w = s[a]*s[b];
if(s[b]<s[a])
{
for(int i : g[b])
{
w -= cnt[i][a];
}
}
else
for(int i : g[a])
{
w -= cnt[i][b];
}
//cout<<u<<" "<<v<<" "<<a<<" "<<b<<" "<<w<<endl;
cnt[u][b]++;
cnt[v][a]++;
if(w==1)
{
_union(a, b);
return 1;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
0 ms |
364 KB |
Output is correct |
10 |
Correct |
0 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
0 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
492 KB |
Output is correct |
27 |
Correct |
1 ms |
492 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
492 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
492 KB |
Output is correct |
34 |
Correct |
2 ms |
748 KB |
Output is correct |
35 |
Correct |
2 ms |
748 KB |
Output is correct |
36 |
Correct |
2 ms |
748 KB |
Output is correct |
37 |
Correct |
2 ms |
748 KB |
Output is correct |
38 |
Correct |
2 ms |
748 KB |
Output is correct |
39 |
Correct |
2 ms |
748 KB |
Output is correct |
40 |
Correct |
2 ms |
748 KB |
Output is correct |
41 |
Correct |
2 ms |
748 KB |
Output is correct |
42 |
Correct |
2 ms |
748 KB |
Output is correct |
43 |
Correct |
2 ms |
748 KB |
Output is correct |
44 |
Correct |
3 ms |
748 KB |
Output is correct |
45 |
Correct |
2 ms |
748 KB |
Output is correct |
46 |
Correct |
2 ms |
748 KB |
Output is correct |
47 |
Correct |
2 ms |
748 KB |
Output is correct |
48 |
Correct |
2 ms |
748 KB |
Output is correct |
49 |
Correct |
2 ms |
748 KB |
Output is correct |
50 |
Correct |
2 ms |
748 KB |
Output is correct |
51 |
Correct |
2 ms |
804 KB |
Output is correct |
52 |
Correct |
2 ms |
748 KB |
Output is correct |
53 |
Correct |
2 ms |
748 KB |
Output is correct |
54 |
Correct |
2 ms |
748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
0 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
492 KB |
Output is correct |
27 |
Correct |
1 ms |
492 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
492 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
492 KB |
Output is correct |
34 |
Correct |
2 ms |
748 KB |
Output is correct |
35 |
Correct |
2 ms |
748 KB |
Output is correct |
36 |
Correct |
2 ms |
748 KB |
Output is correct |
37 |
Correct |
2 ms |
748 KB |
Output is correct |
38 |
Correct |
2 ms |
748 KB |
Output is correct |
39 |
Correct |
2 ms |
748 KB |
Output is correct |
40 |
Correct |
2 ms |
748 KB |
Output is correct |
41 |
Correct |
2 ms |
748 KB |
Output is correct |
42 |
Correct |
2 ms |
748 KB |
Output is correct |
43 |
Correct |
2 ms |
748 KB |
Output is correct |
44 |
Correct |
3 ms |
748 KB |
Output is correct |
45 |
Correct |
2 ms |
748 KB |
Output is correct |
46 |
Correct |
2 ms |
748 KB |
Output is correct |
47 |
Correct |
2 ms |
748 KB |
Output is correct |
48 |
Correct |
2 ms |
748 KB |
Output is correct |
49 |
Correct |
2 ms |
748 KB |
Output is correct |
50 |
Correct |
2 ms |
748 KB |
Output is correct |
51 |
Correct |
2 ms |
748 KB |
Output is correct |
52 |
Correct |
2 ms |
748 KB |
Output is correct |
53 |
Correct |
2 ms |
780 KB |
Output is correct |
54 |
Correct |
2 ms |
748 KB |
Output is correct |
55 |
Correct |
53 ms |
4204 KB |
Output is correct |
56 |
Correct |
54 ms |
4332 KB |
Output is correct |
57 |
Correct |
53 ms |
4224 KB |
Output is correct |
58 |
Correct |
52 ms |
4204 KB |
Output is correct |
59 |
Correct |
52 ms |
4332 KB |
Output is correct |
60 |
Correct |
52 ms |
4332 KB |
Output is correct |
61 |
Correct |
52 ms |
4204 KB |
Output is correct |
62 |
Correct |
53 ms |
4204 KB |
Output is correct |
63 |
Correct |
52 ms |
4204 KB |
Output is correct |
64 |
Correct |
48 ms |
4204 KB |
Output is correct |
65 |
Correct |
48 ms |
4204 KB |
Output is correct |
66 |
Correct |
52 ms |
4332 KB |
Output is correct |
67 |
Correct |
52 ms |
4204 KB |
Output is correct |
68 |
Correct |
53 ms |
4204 KB |
Output is correct |
69 |
Correct |
52 ms |
4204 KB |
Output is correct |
70 |
Correct |
52 ms |
4204 KB |
Output is correct |
71 |
Correct |
76 ms |
4332 KB |
Output is correct |
72 |
Correct |
72 ms |
4204 KB |
Output is correct |
73 |
Correct |
76 ms |
4204 KB |
Output is correct |
74 |
Correct |
76 ms |
4204 KB |
Output is correct |
75 |
Correct |
76 ms |
4188 KB |
Output is correct |
76 |
Correct |
133 ms |
6780 KB |
Output is correct |
77 |
Correct |
129 ms |
6764 KB |
Output is correct |
78 |
Correct |
122 ms |
6764 KB |
Output is correct |
79 |
Correct |
124 ms |
6764 KB |
Output is correct |
80 |
Correct |
129 ms |
9068 KB |
Output is correct |
81 |
Correct |
144 ms |
9196 KB |
Output is correct |
82 |
Correct |
128 ms |
9068 KB |
Output is correct |
83 |
Correct |
124 ms |
9068 KB |
Output is correct |
84 |
Correct |
127 ms |
9068 KB |
Output is correct |
85 |
Correct |
237 ms |
13548 KB |
Output is correct |
86 |
Correct |
246 ms |
13548 KB |
Output is correct |
87 |
Correct |
250 ms |
13548 KB |
Output is correct |
88 |
Correct |
246 ms |
13548 KB |
Output is correct |
89 |
Correct |
252 ms |
13548 KB |
Output is correct |
90 |
Correct |
240 ms |
13548 KB |
Output is correct |
91 |
Correct |
255 ms |
13548 KB |
Output is correct |
92 |
Correct |
247 ms |
13676 KB |
Output is correct |
93 |
Correct |
239 ms |
13676 KB |
Output is correct |
94 |
Correct |
626 ms |
25580 KB |
Output is correct |
95 |
Correct |
600 ms |
25452 KB |
Output is correct |
96 |
Correct |
597 ms |
25324 KB |
Output is correct |
97 |
Correct |
604 ms |
25452 KB |
Output is correct |
98 |
Correct |
598 ms |
25468 KB |
Output is correct |
99 |
Correct |
594 ms |
25348 KB |
Output is correct |
100 |
Correct |
605 ms |
25324 KB |
Output is correct |