#include<bits/stdc++.h>
#ifndef SKY
#include "game.h"
#endif // SKY
using namespace std;
#define N 1510
#define ll long long
#define ii pair<int,int>
#define fs first
#define sc second
#define pb push_back
#define iii pair<int,ii>
int n,cnt[N][N];
bitset<N>bit[N],f[N];
struct DSU
{
int lab[N];
vector<int>lis[N];
void init()
{
memset(lab,-1,sizeof(lab));
for(int i=0;i<n;i++)
lis[i].pb(i);
for(int i=0;i<n;i++)
{
bit[i].reset();
f[i].reset();
bit[i][i]=1;
for(int j=0;j<n;j++)
f[i][j]=1;
for(int j=0;j<n;j++)
cnt[i][j]=1;
}
}
int root(int u)
{
if(lab[u]<0)
return u;
return(lab[u]=root(lab[u]));
}
bool update(int u,int v)
{
int i=u,j=v;
u=root(u);
v=root(v);
//cout<<cnt[u][j]<<" "<<cnt[v][i]<<endl;
cnt[u][j]--;
if(cnt[u][j]==0)
f[u][j]=0;
cnt[v][i]--;
if(cnt[v][i]==0)
f[v][i]=0;
// cout<<cnt[u][j]<<" "<<cnt[v][i]<<endl;
// cout<<u<<" "<<v<<endl;
bitset<N>tmp=(f[u]&bit[v]);
// for(int i=0;i<n;i++)cout<<tmp[i]<<" ";cout<<endl;
if(tmp.count()>0)
{
return 0;
}
if(lab[u]>lab[v])
swap(u,v);
lab[u]+=lab[v];
lab[v]=u;
bit[u]|=bit[v];
for(int t=0;t<n;t++)
{
cnt[u][t]+=cnt[v][t];
if(cnt[u][t]>0)
f[u][t]=1;
}
return 1;
}
}T;
int hasEdge(int u, int v)
{
// cout<<cnt[u][v]<<endl;
int res=T.update(u,v);
#ifdef SKY
if(res==1)cout<<"YES\n";else cout<<"NO\n";
#endif // SKY
return res;
}
void initialize(int cc)
{
n=cc;
memset(cnt,0,sizeof(cnt));
T.init();
//cout<<cnt[0][1]<<endl
#ifdef SKY
for(int i=1;i<=n*(n-1)/2;i++)
{
int u,v;
cin>>u>>v;
int cc=hasEdge(u,v);
}
#endif // SKY
}
#ifdef SKY
int main()
{
freopen("A.inp","r",stdin);
freopen("A.out","w",stdout);
ios::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
int n;
cin>>n;
initialize(n);
return 0;
}
#endif // SKY
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
9172 KB |
Output is correct |
2 |
Correct |
4 ms |
9172 KB |
Output is correct |
3 |
Correct |
4 ms |
9172 KB |
Output is correct |
4 |
Correct |
4 ms |
9172 KB |
Output is correct |
5 |
Correct |
6 ms |
9248 KB |
Output is correct |
6 |
Correct |
4 ms |
9172 KB |
Output is correct |
7 |
Correct |
5 ms |
9232 KB |
Output is correct |
8 |
Correct |
4 ms |
9172 KB |
Output is correct |
9 |
Correct |
4 ms |
9172 KB |
Output is correct |
10 |
Correct |
5 ms |
9196 KB |
Output is correct |
11 |
Correct |
4 ms |
9172 KB |
Output is correct |
12 |
Correct |
4 ms |
9172 KB |
Output is correct |
13 |
Correct |
4 ms |
9172 KB |
Output is correct |
14 |
Correct |
4 ms |
9172 KB |
Output is correct |
15 |
Correct |
4 ms |
9172 KB |
Output is correct |
16 |
Correct |
6 ms |
9172 KB |
Output is correct |
17 |
Correct |
4 ms |
9172 KB |
Output is correct |
18 |
Correct |
4 ms |
9172 KB |
Output is correct |
19 |
Correct |
4 ms |
9172 KB |
Output is correct |
20 |
Correct |
5 ms |
9172 KB |
Output is correct |
21 |
Correct |
4 ms |
9156 KB |
Output is correct |
22 |
Correct |
4 ms |
9208 KB |
Output is correct |
23 |
Correct |
6 ms |
9172 KB |
Output is correct |
24 |
Correct |
4 ms |
9172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
9208 KB |
Output is correct |
2 |
Correct |
4 ms |
9172 KB |
Output is correct |
3 |
Correct |
4 ms |
9172 KB |
Output is correct |
4 |
Correct |
3 ms |
9172 KB |
Output is correct |
5 |
Correct |
5 ms |
9172 KB |
Output is correct |
6 |
Correct |
4 ms |
9172 KB |
Output is correct |
7 |
Correct |
4 ms |
9172 KB |
Output is correct |
8 |
Correct |
5 ms |
9172 KB |
Output is correct |
9 |
Correct |
4 ms |
9172 KB |
Output is correct |
10 |
Correct |
5 ms |
9172 KB |
Output is correct |
11 |
Correct |
4 ms |
9172 KB |
Output is correct |
12 |
Correct |
4 ms |
9172 KB |
Output is correct |
13 |
Correct |
4 ms |
9172 KB |
Output is correct |
14 |
Correct |
4 ms |
9172 KB |
Output is correct |
15 |
Correct |
4 ms |
9172 KB |
Output is correct |
16 |
Correct |
4 ms |
9172 KB |
Output is correct |
17 |
Correct |
6 ms |
9172 KB |
Output is correct |
18 |
Correct |
4 ms |
9172 KB |
Output is correct |
19 |
Correct |
4 ms |
9172 KB |
Output is correct |
20 |
Correct |
4 ms |
9172 KB |
Output is correct |
21 |
Correct |
4 ms |
9172 KB |
Output is correct |
22 |
Correct |
5 ms |
9172 KB |
Output is correct |
23 |
Correct |
4 ms |
9172 KB |
Output is correct |
24 |
Correct |
4 ms |
9172 KB |
Output is correct |
25 |
Correct |
4 ms |
9300 KB |
Output is correct |
26 |
Correct |
4 ms |
9172 KB |
Output is correct |
27 |
Correct |
4 ms |
9172 KB |
Output is correct |
28 |
Correct |
4 ms |
9300 KB |
Output is correct |
29 |
Correct |
4 ms |
9300 KB |
Output is correct |
30 |
Correct |
4 ms |
9300 KB |
Output is correct |
31 |
Correct |
6 ms |
9220 KB |
Output is correct |
32 |
Correct |
4 ms |
9172 KB |
Output is correct |
33 |
Correct |
4 ms |
9300 KB |
Output is correct |
34 |
Correct |
7 ms |
9300 KB |
Output is correct |
35 |
Correct |
6 ms |
9300 KB |
Output is correct |
36 |
Correct |
5 ms |
9300 KB |
Output is correct |
37 |
Correct |
6 ms |
9300 KB |
Output is correct |
38 |
Correct |
5 ms |
9300 KB |
Output is correct |
39 |
Correct |
5 ms |
9300 KB |
Output is correct |
40 |
Correct |
5 ms |
9304 KB |
Output is correct |
41 |
Correct |
5 ms |
9300 KB |
Output is correct |
42 |
Correct |
5 ms |
9300 KB |
Output is correct |
43 |
Correct |
5 ms |
9300 KB |
Output is correct |
44 |
Correct |
6 ms |
9324 KB |
Output is correct |
45 |
Correct |
6 ms |
9300 KB |
Output is correct |
46 |
Correct |
5 ms |
9300 KB |
Output is correct |
47 |
Correct |
6 ms |
9300 KB |
Output is correct |
48 |
Correct |
5 ms |
9300 KB |
Output is correct |
49 |
Correct |
6 ms |
9300 KB |
Output is correct |
50 |
Correct |
5 ms |
9272 KB |
Output is correct |
51 |
Correct |
5 ms |
9300 KB |
Output is correct |
52 |
Correct |
5 ms |
9300 KB |
Output is correct |
53 |
Correct |
6 ms |
9300 KB |
Output is correct |
54 |
Correct |
5 ms |
9300 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
9172 KB |
Output is correct |
2 |
Correct |
4 ms |
9172 KB |
Output is correct |
3 |
Correct |
4 ms |
9172 KB |
Output is correct |
4 |
Correct |
4 ms |
9264 KB |
Output is correct |
5 |
Correct |
4 ms |
9172 KB |
Output is correct |
6 |
Correct |
4 ms |
9172 KB |
Output is correct |
7 |
Correct |
5 ms |
9172 KB |
Output is correct |
8 |
Correct |
4 ms |
9172 KB |
Output is correct |
9 |
Correct |
4 ms |
9172 KB |
Output is correct |
10 |
Correct |
4 ms |
9156 KB |
Output is correct |
11 |
Correct |
4 ms |
9276 KB |
Output is correct |
12 |
Correct |
4 ms |
9172 KB |
Output is correct |
13 |
Correct |
4 ms |
9172 KB |
Output is correct |
14 |
Correct |
4 ms |
9172 KB |
Output is correct |
15 |
Correct |
4 ms |
9172 KB |
Output is correct |
16 |
Correct |
4 ms |
9172 KB |
Output is correct |
17 |
Correct |
5 ms |
9172 KB |
Output is correct |
18 |
Correct |
4 ms |
9172 KB |
Output is correct |
19 |
Correct |
6 ms |
9172 KB |
Output is correct |
20 |
Correct |
4 ms |
9172 KB |
Output is correct |
21 |
Correct |
5 ms |
9172 KB |
Output is correct |
22 |
Correct |
4 ms |
9172 KB |
Output is correct |
23 |
Correct |
4 ms |
9172 KB |
Output is correct |
24 |
Correct |
5 ms |
9172 KB |
Output is correct |
25 |
Correct |
5 ms |
9172 KB |
Output is correct |
26 |
Correct |
4 ms |
9300 KB |
Output is correct |
27 |
Correct |
4 ms |
9300 KB |
Output is correct |
28 |
Correct |
5 ms |
9172 KB |
Output is correct |
29 |
Correct |
4 ms |
9280 KB |
Output is correct |
30 |
Correct |
4 ms |
9172 KB |
Output is correct |
31 |
Correct |
4 ms |
9300 KB |
Output is correct |
32 |
Correct |
4 ms |
9300 KB |
Output is correct |
33 |
Correct |
5 ms |
9300 KB |
Output is correct |
34 |
Correct |
5 ms |
9312 KB |
Output is correct |
35 |
Correct |
5 ms |
9300 KB |
Output is correct |
36 |
Correct |
5 ms |
9300 KB |
Output is correct |
37 |
Correct |
6 ms |
9252 KB |
Output is correct |
38 |
Correct |
5 ms |
9300 KB |
Output is correct |
39 |
Correct |
5 ms |
9300 KB |
Output is correct |
40 |
Correct |
6 ms |
9320 KB |
Output is correct |
41 |
Correct |
6 ms |
9300 KB |
Output is correct |
42 |
Correct |
6 ms |
9300 KB |
Output is correct |
43 |
Correct |
5 ms |
9300 KB |
Output is correct |
44 |
Correct |
5 ms |
9300 KB |
Output is correct |
45 |
Correct |
5 ms |
9300 KB |
Output is correct |
46 |
Correct |
6 ms |
9300 KB |
Output is correct |
47 |
Correct |
5 ms |
9300 KB |
Output is correct |
48 |
Correct |
5 ms |
9300 KB |
Output is correct |
49 |
Correct |
5 ms |
9320 KB |
Output is correct |
50 |
Correct |
6 ms |
9300 KB |
Output is correct |
51 |
Correct |
5 ms |
9300 KB |
Output is correct |
52 |
Correct |
5 ms |
9300 KB |
Output is correct |
53 |
Correct |
6 ms |
9300 KB |
Output is correct |
54 |
Correct |
5 ms |
9300 KB |
Output is correct |
55 |
Correct |
53 ms |
10192 KB |
Output is correct |
56 |
Correct |
56 ms |
10144 KB |
Output is correct |
57 |
Correct |
58 ms |
10192 KB |
Output is correct |
58 |
Correct |
54 ms |
10132 KB |
Output is correct |
59 |
Correct |
57 ms |
10124 KB |
Output is correct |
60 |
Correct |
61 ms |
10140 KB |
Output is correct |
61 |
Correct |
67 ms |
10244 KB |
Output is correct |
62 |
Correct |
54 ms |
10180 KB |
Output is correct |
63 |
Correct |
52 ms |
10124 KB |
Output is correct |
64 |
Correct |
55 ms |
10248 KB |
Output is correct |
65 |
Correct |
53 ms |
10196 KB |
Output is correct |
66 |
Correct |
54 ms |
10188 KB |
Output is correct |
67 |
Correct |
55 ms |
10216 KB |
Output is correct |
68 |
Correct |
56 ms |
10124 KB |
Output is correct |
69 |
Correct |
51 ms |
10188 KB |
Output is correct |
70 |
Correct |
52 ms |
10212 KB |
Output is correct |
71 |
Correct |
52 ms |
10316 KB |
Output is correct |
72 |
Correct |
53 ms |
11204 KB |
Output is correct |
73 |
Correct |
51 ms |
11084 KB |
Output is correct |
74 |
Correct |
58 ms |
11184 KB |
Output is correct |
75 |
Correct |
58 ms |
11196 KB |
Output is correct |
76 |
Correct |
150 ms |
12492 KB |
Output is correct |
77 |
Correct |
150 ms |
12356 KB |
Output is correct |
78 |
Correct |
141 ms |
12408 KB |
Output is correct |
79 |
Correct |
147 ms |
12448 KB |
Output is correct |
80 |
Correct |
120 ms |
12392 KB |
Output is correct |
81 |
Correct |
121 ms |
12364 KB |
Output is correct |
82 |
Correct |
132 ms |
12396 KB |
Output is correct |
83 |
Correct |
128 ms |
12428 KB |
Output is correct |
84 |
Correct |
120 ms |
12360 KB |
Output is correct |
85 |
Correct |
213 ms |
13932 KB |
Output is correct |
86 |
Correct |
215 ms |
13848 KB |
Output is correct |
87 |
Correct |
216 ms |
13896 KB |
Output is correct |
88 |
Correct |
217 ms |
13844 KB |
Output is correct |
89 |
Correct |
216 ms |
13924 KB |
Output is correct |
90 |
Correct |
220 ms |
13844 KB |
Output is correct |
91 |
Correct |
219 ms |
13928 KB |
Output is correct |
92 |
Correct |
237 ms |
13992 KB |
Output is correct |
93 |
Correct |
227 ms |
14044 KB |
Output is correct |
94 |
Correct |
468 ms |
17260 KB |
Output is correct |
95 |
Correct |
476 ms |
17392 KB |
Output is correct |
96 |
Correct |
489 ms |
17456 KB |
Output is correct |
97 |
Correct |
464 ms |
17356 KB |
Output is correct |
98 |
Correct |
491 ms |
17316 KB |
Output is correct |
99 |
Correct |
466 ms |
17364 KB |
Output is correct |
100 |
Correct |
496 ms |
17548 KB |
Output is correct |