Submission #62488

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
62488	2018-07-28T19:03:53 Z	zetapi	Parachute rings (IOI12_rings)	C++14	100 / 100	2035 ms	85984 KB

rings

#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)
{
	Quad=1;
	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(Quad==0)
	{
		vec[X].pb(Y);
		vec[Y].pb(X);
		deg[0][X]++;
		deg[0][Y]++;
		if(deg[0][X]==3)
		{
			Split(X);
			return ;
		}
		if(deg[0][Y]==3)
		{
			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]);
}

Subtask #1
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	23800 KB	Output is correct
2	Correct	25 ms	24188 KB	Output is correct
3	Correct	24 ms	24248 KB	Output is correct
4	Correct	22 ms	24248 KB	Output is correct
5	Correct	22 ms	24248 KB	Output is correct
6	Correct	26 ms	24248 KB	Output is correct
7	Correct	22 ms	24352 KB	Output is correct
8	Correct	24 ms	24352 KB	Output is correct
9	Correct	24 ms	24388 KB	Output is correct
10	Correct	25 ms	24516 KB	Output is correct

Subtask #2
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	457 ms	44500 KB	Output is correct
2	Correct	798 ms	63236 KB	Output is correct
3	Correct	368 ms	63236 KB	Output is correct
4	Correct	1281 ms	63244 KB	Output is correct
5	Correct	1291 ms	63288 KB	Output is correct
6	Correct	1381 ms	63288 KB	Output is correct
7	Correct	352 ms	63288 KB	Output is correct
8	Correct	1704 ms	79944 KB	Output is correct
9	Correct	2035 ms	85984 KB	Output is correct
10	Correct	840 ms	85984 KB	Output is correct

Subtask #3
18.0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	23800 KB	Output is correct
2	Correct	25 ms	24188 KB	Output is correct
3	Correct	24 ms	24248 KB	Output is correct
4	Correct	22 ms	24248 KB	Output is correct
5	Correct	22 ms	24248 KB	Output is correct
6	Correct	26 ms	24248 KB	Output is correct
7	Correct	22 ms	24352 KB	Output is correct
8	Correct	24 ms	24352 KB	Output is correct
9	Correct	24 ms	24388 KB	Output is correct
10	Correct	25 ms	24516 KB	Output is correct
11	Correct	23 ms	85984 KB	Output is correct
12	Correct	28 ms	85984 KB	Output is correct
13	Correct	27 ms	85984 KB	Output is correct
14	Correct	24 ms	85984 KB	Output is correct
15	Correct	24 ms	85984 KB	Output is correct
16	Correct	28 ms	85984 KB	Output is correct
17	Correct	25 ms	85984 KB	Output is correct
18	Correct	26 ms	85984 KB	Output is correct
19	Correct	27 ms	85984 KB	Output is correct
20	Correct	29 ms	85984 KB	Output is correct

Subtask #4
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	23800 KB	Output is correct
2	Correct	25 ms	24188 KB	Output is correct
3	Correct	24 ms	24248 KB	Output is correct
4	Correct	22 ms	24248 KB	Output is correct
5	Correct	22 ms	24248 KB	Output is correct
6	Correct	26 ms	24248 KB	Output is correct
7	Correct	22 ms	24352 KB	Output is correct
8	Correct	24 ms	24352 KB	Output is correct
9	Correct	24 ms	24388 KB	Output is correct
10	Correct	25 ms	24516 KB	Output is correct
11	Correct	23 ms	85984 KB	Output is correct
12	Correct	28 ms	85984 KB	Output is correct
13	Correct	27 ms	85984 KB	Output is correct
14	Correct	24 ms	85984 KB	Output is correct
15	Correct	24 ms	85984 KB	Output is correct
16	Correct	28 ms	85984 KB	Output is correct
17	Correct	25 ms	85984 KB	Output is correct
18	Correct	26 ms	85984 KB	Output is correct
19	Correct	27 ms	85984 KB	Output is correct
20	Correct	29 ms	85984 KB	Output is correct
21	Correct	44 ms	85984 KB	Output is correct
22	Correct	60 ms	85984 KB	Output is correct
23	Correct	64 ms	85984 KB	Output is correct
24	Correct	54 ms	85984 KB	Output is correct
25	Correct	37 ms	85984 KB	Output is correct
26	Correct	53 ms	85984 KB	Output is correct
27	Correct	91 ms	85984 KB	Output is correct
28	Correct	57 ms	85984 KB	Output is correct
29	Correct	52 ms	85984 KB	Output is correct
30	Correct	82 ms	85984 KB	Output is correct

Subtask #5
31.0 / 31.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	23800 KB	Output is correct
2	Correct	25 ms	24188 KB	Output is correct
3	Correct	24 ms	24248 KB	Output is correct
4	Correct	22 ms	24248 KB	Output is correct
5	Correct	22 ms	24248 KB	Output is correct
6	Correct	26 ms	24248 KB	Output is correct
7	Correct	22 ms	24352 KB	Output is correct
8	Correct	24 ms	24352 KB	Output is correct
9	Correct	24 ms	24388 KB	Output is correct
10	Correct	25 ms	24516 KB	Output is correct
11	Correct	457 ms	44500 KB	Output is correct
12	Correct	798 ms	63236 KB	Output is correct
13	Correct	368 ms	63236 KB	Output is correct
14	Correct	1281 ms	63244 KB	Output is correct
15	Correct	1291 ms	63288 KB	Output is correct
16	Correct	1381 ms	63288 KB	Output is correct
17	Correct	352 ms	63288 KB	Output is correct
18	Correct	1704 ms	79944 KB	Output is correct
19	Correct	2035 ms	85984 KB	Output is correct
20	Correct	840 ms	85984 KB	Output is correct
21	Correct	23 ms	85984 KB	Output is correct
22	Correct	28 ms	85984 KB	Output is correct
23	Correct	27 ms	85984 KB	Output is correct
24	Correct	24 ms	85984 KB	Output is correct
25	Correct	24 ms	85984 KB	Output is correct
26	Correct	28 ms	85984 KB	Output is correct
27	Correct	25 ms	85984 KB	Output is correct
28	Correct	26 ms	85984 KB	Output is correct
29	Correct	27 ms	85984 KB	Output is correct
30	Correct	29 ms	85984 KB	Output is correct
31	Correct	44 ms	85984 KB	Output is correct
32	Correct	60 ms	85984 KB	Output is correct
33	Correct	64 ms	85984 KB	Output is correct
34	Correct	54 ms	85984 KB	Output is correct
35	Correct	37 ms	85984 KB	Output is correct
36	Correct	53 ms	85984 KB	Output is correct
37	Correct	91 ms	85984 KB	Output is correct
38	Correct	57 ms	85984 KB	Output is correct
39	Correct	52 ms	85984 KB	Output is correct
40	Correct	82 ms	85984 KB	Output is correct
41	Correct	249 ms	85984 KB	Output is correct
42	Correct	758 ms	85984 KB	Output is correct
43	Correct	272 ms	85984 KB	Output is correct
44	Correct	366 ms	85984 KB	Output is correct
45	Correct	490 ms	85984 KB	Output is correct
46	Correct	794 ms	85984 KB	Output is correct
47	Correct	1128 ms	85984 KB	Output is correct
48	Correct	317 ms	85984 KB	Output is correct
49	Correct	785 ms	85984 KB	Output is correct
50	Correct	868 ms	85984 KB	Output is correct
51	Correct	252 ms	85984 KB	Output is correct
52	Correct	333 ms	85984 KB	Output is correct
53	Correct	281 ms	85984 KB	Output is correct
54	Correct	1194 ms	85984 KB	Output is correct
55	Correct	506 ms	85984 KB	Output is correct

Submission #62488

Compilation message

Subtask #1 20.0 / 20.0

Subtask #2 17.0 / 17.0

Subtask #3 18.0 / 18.0

Subtask #4 14.0 / 14.0

Subtask #5 31.0 / 31.0

Subtask #1
20.0 / 20.0

Subtask #2
17.0 / 17.0

Subtask #3
18.0 / 18.0

Subtask #4
14.0 / 14.0

Subtask #5
31.0 / 31.0