#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define ll long long
#define itr ::iterator
typedef pair<int,int> pii;
const int MAX=1e6+99;
vector<int> vec[MAX];
int linear[4],destruct[4],deg[4][MAX],OtherEnd[4][MAX];
int N,cnt,CycleSize,Quad,a,b;
void Init(int N_)
{
N=N_;
cnt=0;
Quad=0;
CycleSize=0;
for(int A=0;A<N;A++)
{
deg[0][A]=0;
OtherEnd[0][A]=A;
vec[A].clear();
}
return ;
}
void Add(int X,int Y)
{
for(int A=0;A<4;A++)
{
if(!linear[A] or destruct[A]==X or destruct[A]==Y)
continue;
deg[A][X]++;
deg[A][Y]++;
if(deg[A][X]==3 or deg[A][Y]==3 or OtherEnd[A][X]==Y)
{
linear[A]=0;
continue;
}
a=OtherEnd[A][X];
b=OtherEnd[A][Y];
OtherEnd[A][X]=-1;
OtherEnd[A][Y]=-1;
OtherEnd[A][a]=b;
OtherEnd[A][b]=a;
}
return ;
}
void Split(int X)
{
destruct[0]=X;
destruct[1]=vec[X][0];
destruct[2]=vec[X][1];
destruct[3]=vec[X][2];
for(int A=0;A<4;A++)
{
linear[A]=1;
for(int B=0;B<N;B++)
{
deg[A][B]=0;
OtherEnd[A][B]=B;
}
}
for(int A=0;A<N;A++)
for(auto B:vec[A])
if(A<B)
Add(A,B);
return ;
}
void Link(int X,int Y)
{
if(cnt>2)
return ;
if(Quad==0)
{
vec[X].pb(Y);
vec[Y].pb(X);
deg[0][X]++;
deg[0][Y]++;
if(deg[0][X]==3)
{
Quad=1;
Split(X);
return ;
}
if(deg[0][Y]==3)
{
Quad=1;
Split(Y);
return ;
}
if(OtherEnd[0][X]!=Y)
{
a=OtherEnd[0][X];
b=OtherEnd[0][Y];
OtherEnd[0][X]=-1;
OtherEnd[0][Y]=-1;
OtherEnd[0][a]=b;
OtherEnd[0][b]=a;
return ;
}
cnt++;
if(cnt==1)
{
int cur=X,pre=X;
do
{
CycleSize++;
if(vec[cur][0]==pre)
{
pre=cur;
cur=vec[cur][1];
}
else
{
pre=cur;
cur=vec[cur][0];
}
}
while(cur!=X);
}
}
else
Add(X,Y);
return ;
}
int CountCritical()
{
if(!Quad)
{
if(cnt>1)
return 0;
else if(CycleSize)
return CycleSize;
else
return N;
}
else
return (linear[0]+linear[1]+linear[2]+linear[3]);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
23800 KB |
Output is correct |
2 |
Correct |
23 ms |
24180 KB |
Output is correct |
3 |
Correct |
24 ms |
24180 KB |
Output is correct |
4 |
Correct |
22 ms |
24180 KB |
Output is correct |
5 |
Correct |
23 ms |
24204 KB |
Output is correct |
6 |
Correct |
25 ms |
24208 KB |
Output is correct |
7 |
Correct |
22 ms |
24292 KB |
Output is correct |
8 |
Correct |
23 ms |
24292 KB |
Output is correct |
9 |
Correct |
25 ms |
24368 KB |
Output is correct |
10 |
Correct |
25 ms |
24368 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
462 ms |
44512 KB |
Output is correct |
2 |
Correct |
848 ms |
63144 KB |
Output is correct |
3 |
Correct |
377 ms |
63144 KB |
Output is correct |
4 |
Correct |
1291 ms |
63200 KB |
Output is correct |
5 |
Correct |
1285 ms |
63312 KB |
Output is correct |
6 |
Correct |
1541 ms |
63312 KB |
Output is correct |
7 |
Correct |
362 ms |
63312 KB |
Output is correct |
8 |
Correct |
1641 ms |
79968 KB |
Output is correct |
9 |
Correct |
2054 ms |
85768 KB |
Output is correct |
10 |
Correct |
838 ms |
85768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
23800 KB |
Output is correct |
2 |
Correct |
23 ms |
24180 KB |
Output is correct |
3 |
Correct |
24 ms |
24180 KB |
Output is correct |
4 |
Correct |
22 ms |
24180 KB |
Output is correct |
5 |
Correct |
23 ms |
24204 KB |
Output is correct |
6 |
Correct |
25 ms |
24208 KB |
Output is correct |
7 |
Correct |
22 ms |
24292 KB |
Output is correct |
8 |
Correct |
23 ms |
24292 KB |
Output is correct |
9 |
Correct |
25 ms |
24368 KB |
Output is correct |
10 |
Correct |
25 ms |
24368 KB |
Output is correct |
11 |
Correct |
23 ms |
85768 KB |
Output is correct |
12 |
Correct |
27 ms |
85768 KB |
Output is correct |
13 |
Correct |
26 ms |
85768 KB |
Output is correct |
14 |
Correct |
27 ms |
85768 KB |
Output is correct |
15 |
Correct |
25 ms |
85768 KB |
Output is correct |
16 |
Correct |
27 ms |
85768 KB |
Output is correct |
17 |
Correct |
24 ms |
85768 KB |
Output is correct |
18 |
Correct |
28 ms |
85768 KB |
Output is correct |
19 |
Correct |
29 ms |
85768 KB |
Output is correct |
20 |
Correct |
26 ms |
85768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
23800 KB |
Output is correct |
2 |
Correct |
23 ms |
24180 KB |
Output is correct |
3 |
Correct |
24 ms |
24180 KB |
Output is correct |
4 |
Correct |
22 ms |
24180 KB |
Output is correct |
5 |
Correct |
23 ms |
24204 KB |
Output is correct |
6 |
Correct |
25 ms |
24208 KB |
Output is correct |
7 |
Correct |
22 ms |
24292 KB |
Output is correct |
8 |
Correct |
23 ms |
24292 KB |
Output is correct |
9 |
Correct |
25 ms |
24368 KB |
Output is correct |
10 |
Correct |
25 ms |
24368 KB |
Output is correct |
11 |
Correct |
23 ms |
85768 KB |
Output is correct |
12 |
Correct |
27 ms |
85768 KB |
Output is correct |
13 |
Correct |
26 ms |
85768 KB |
Output is correct |
14 |
Correct |
27 ms |
85768 KB |
Output is correct |
15 |
Correct |
25 ms |
85768 KB |
Output is correct |
16 |
Correct |
27 ms |
85768 KB |
Output is correct |
17 |
Correct |
24 ms |
85768 KB |
Output is correct |
18 |
Correct |
28 ms |
85768 KB |
Output is correct |
19 |
Correct |
29 ms |
85768 KB |
Output is correct |
20 |
Correct |
26 ms |
85768 KB |
Output is correct |
21 |
Correct |
41 ms |
85768 KB |
Output is correct |
22 |
Correct |
59 ms |
85768 KB |
Output is correct |
23 |
Correct |
74 ms |
85768 KB |
Output is correct |
24 |
Correct |
54 ms |
85768 KB |
Output is correct |
25 |
Correct |
37 ms |
85768 KB |
Output is correct |
26 |
Correct |
55 ms |
85768 KB |
Output is correct |
27 |
Correct |
68 ms |
85768 KB |
Output is correct |
28 |
Correct |
56 ms |
85768 KB |
Output is correct |
29 |
Correct |
53 ms |
85768 KB |
Output is correct |
30 |
Correct |
93 ms |
85768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
23800 KB |
Output is correct |
2 |
Correct |
23 ms |
24180 KB |
Output is correct |
3 |
Correct |
24 ms |
24180 KB |
Output is correct |
4 |
Correct |
22 ms |
24180 KB |
Output is correct |
5 |
Correct |
23 ms |
24204 KB |
Output is correct |
6 |
Correct |
25 ms |
24208 KB |
Output is correct |
7 |
Correct |
22 ms |
24292 KB |
Output is correct |
8 |
Correct |
23 ms |
24292 KB |
Output is correct |
9 |
Correct |
25 ms |
24368 KB |
Output is correct |
10 |
Correct |
25 ms |
24368 KB |
Output is correct |
11 |
Correct |
462 ms |
44512 KB |
Output is correct |
12 |
Correct |
848 ms |
63144 KB |
Output is correct |
13 |
Correct |
377 ms |
63144 KB |
Output is correct |
14 |
Correct |
1291 ms |
63200 KB |
Output is correct |
15 |
Correct |
1285 ms |
63312 KB |
Output is correct |
16 |
Correct |
1541 ms |
63312 KB |
Output is correct |
17 |
Correct |
362 ms |
63312 KB |
Output is correct |
18 |
Correct |
1641 ms |
79968 KB |
Output is correct |
19 |
Correct |
2054 ms |
85768 KB |
Output is correct |
20 |
Correct |
838 ms |
85768 KB |
Output is correct |
21 |
Correct |
23 ms |
85768 KB |
Output is correct |
22 |
Correct |
27 ms |
85768 KB |
Output is correct |
23 |
Correct |
26 ms |
85768 KB |
Output is correct |
24 |
Correct |
27 ms |
85768 KB |
Output is correct |
25 |
Correct |
25 ms |
85768 KB |
Output is correct |
26 |
Correct |
27 ms |
85768 KB |
Output is correct |
27 |
Correct |
24 ms |
85768 KB |
Output is correct |
28 |
Correct |
28 ms |
85768 KB |
Output is correct |
29 |
Correct |
29 ms |
85768 KB |
Output is correct |
30 |
Correct |
26 ms |
85768 KB |
Output is correct |
31 |
Correct |
41 ms |
85768 KB |
Output is correct |
32 |
Correct |
59 ms |
85768 KB |
Output is correct |
33 |
Correct |
74 ms |
85768 KB |
Output is correct |
34 |
Correct |
54 ms |
85768 KB |
Output is correct |
35 |
Correct |
37 ms |
85768 KB |
Output is correct |
36 |
Correct |
55 ms |
85768 KB |
Output is correct |
37 |
Correct |
68 ms |
85768 KB |
Output is correct |
38 |
Correct |
56 ms |
85768 KB |
Output is correct |
39 |
Correct |
53 ms |
85768 KB |
Output is correct |
40 |
Correct |
93 ms |
85768 KB |
Output is correct |
41 |
Correct |
253 ms |
85768 KB |
Output is correct |
42 |
Correct |
800 ms |
85768 KB |
Output is correct |
43 |
Correct |
263 ms |
85768 KB |
Output is correct |
44 |
Correct |
359 ms |
85768 KB |
Output is correct |
45 |
Correct |
502 ms |
85768 KB |
Output is correct |
46 |
Correct |
784 ms |
85768 KB |
Output is correct |
47 |
Correct |
1157 ms |
85768 KB |
Output is correct |
48 |
Correct |
320 ms |
85768 KB |
Output is correct |
49 |
Correct |
774 ms |
85768 KB |
Output is correct |
50 |
Correct |
870 ms |
85768 KB |
Output is correct |
51 |
Correct |
259 ms |
85768 KB |
Output is correct |
52 |
Correct |
333 ms |
85768 KB |
Output is correct |
53 |
Correct |
285 ms |
85768 KB |
Output is correct |
54 |
Correct |
1192 ms |
85768 KB |
Output is correct |
55 |
Correct |
497 ms |
85768 KB |
Output is correct |