Submission #62487

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
62487	2018-07-28T18:59:49 Z	zetapi	Parachute rings (IOI12_rings)	C++14	100 / 100	2054 ms	85768 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)
{
	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]);
}

Subtask #1
20.0 / 20.0

#	Verdict	Execution time	Memory	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

Subtask #2
17.0 / 17.0

#	Verdict	Execution time	Memory	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

Subtask #3
18.0 / 18.0

#	Verdict	Execution time	Memory	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

Subtask #4
14.0 / 14.0

#	Verdict	Execution time	Memory	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

Subtask #5
31.0 / 31.0

#	Verdict	Execution time	Memory	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

Submission #62487

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