oj.uz

Submission #986403

# Submission time Handle Problem Language Result Execution time Memory
986403 2024-05-20T12:52:25 Z Pyqe Split the Attractions (IOI19_split) C++17
100 / 100
 364 ms 86728 KB 
#include <bits/stdc++.h>
#include "split.h"

using namespace std;

#define mp make_pair
#define fr first
#define sc second

long long n,m,ttl=0,nn=0,dsu[200069],dh[100069],pg[100069],sbt[300069],wg[100069],pr[100069],fh[100069],ca[100069],sq[100069];
pair<long long,long long> d[3],mdh[100069];
vector<pair<long long,long long>> al[100069];
bitset<300069> vtd;
bitset<100069> vtd2,spc;
vector<long long> al2[300069],sbl[300069],al3[100069];
multiset<long long> ms[100069];
bool bad=0,r0=0;

long long fd(long long x)
{
	if(dsu[x]!=x)
	{
		dsu[x]=fd(dsu[x]);
	}
	return dsu[x];
}

void bct(long long x,long long b4)
{
	long long i,sz=al[x].size(),l,p;
	
	vtd[x]=1;
	vtd2[x]=1;
	mdh[x]={dh[x],-1};
	for(i=0;i<sz;i++)
	{
		l=al[x][i].fr;
		p=al[x][i].sc;
		if(p==b4)
		{
			continue;
		}
		if(!vtd[l])
		{
			dh[l]=dh[x]+1;
			pg[x]=p;
			bct(l,p);
		}
		if(vtd2[l])
		{
			dsu[fd(p)]=fd(pg[l]);
			mdh[x]=min(mdh[x],{dh[l],p});
		}
		else if(mdh[l].fr<=dh[x])
		{
			dsu[fd(p)]=fd(mdh[l].sc);
			mdh[x]=min(mdh[x],{mdh[l].fr,p});
		}
	}
	vtd2[x]=0;
}

void bd(long long x)
{
	long long i,sz=al2[x].size(),l,e=-1;
	
	vtd[x]=1;
	sbt[x]=x<n;
	for(i=0;i<sz;i++)
	{
		l=al2[x][i];
		if(!vtd[l])
		{
			bd(l);
			sbt[x]+=sbt[l];
		}
		else
		{
			e=l;
		}
	}
	for(i=0;i<sz;i++)
	{
		l=al2[x][i];
		if(l!=e)
		{
			sbl[x].push_back(sbt[l]);
		}
		else
		{
			sbl[x].push_back(n-sbt[x]);
		}
	}
}

void trv(long long x,long long xx)
{
	long long i,sz=al[x].size(),l;
	
	vtd[x]=1;
	if(d[xx].fr)
	{
		sq[x]=d[xx].sc;
		d[xx].fr--;
	}
	for(i=0;i<sz;i++)
	{
		l=al[x][i].fr;
		if((!wg[l]||spc[l]==spc[x])&&!vtd[l])
		{
			trv(l,xx);
		}
	}
}

void dbd(long long x,long long b4)
{
	long long i,sz=al[x].size(),l,p,mn=dh[x];
	
	vtd[x]=1;
	vtd2[x]=1;
	fh[x]=dh[x];
	for(i=0;i<sz;i++)
	{
		l=al[x][i].fr;
		p=al[x][i].sc;
		if(p==b4)
		{
			continue;
		}
		if(wg[l])
		{
			if(!vtd[l])
			{
				dh[l]=dh[x]+1;
				pr[l]=x;
				dbd(l,p);
				fh[x]=min(fh[x],fh[l]);
				al3[x].push_back(l);
				ms[x].insert(fh[l]);
			}
			else if(vtd2[l])
			{
				fh[x]=min(fh[x],dh[l]);
				al3[l].push_back(x);
				mn=min(mn,dh[l]);
			}
		}
	}
	vtd2[x]=0;
	ms[x].insert(mn);
}

bool cmp(long long x,long long y)
{
	return dh[x]>dh[y];
}

void dtrv(long long x)
{
	long long i,sz=al3[x].size(),l;
	
	vtd[x]=1;
	ttl+=wg[x];
	spc[x]=1;
	if(ttl>=d[0].fr)
	{
		r0=1;
		return;
	}
	nn++;
	ca[nn]=x;
	sort(al3[x].begin(),al3[x].end(),cmp);
	for(i=0;i<sz;i++)
	{
		l=al3[x][i];
		if(!vtd[l]&&(fh[l]>=dh[x]||dh[l]==dh[x]+1))
		{
			dtrv(l);
			if(r0)
			{
				return;
			}
		}
	}
	nn--;
	if(pr[x]+1)
	{
		ms[pr[x]].erase(ms[pr[x]].find(fh[x]));
		if(!vtd[pr[x]]&&(!nn||*ms[pr[x]].begin()>dh[ca[nn]]))
		{
			dtrv(pr[x]);
		}
	}
}

vector<int> find_split(int on,int od,int od2,int od3,vector<int> ka,vector<int> la)
{
	long long i,j,ii,l,w,sz,p,e;
	vector<long long> v;
	vector<int> v2;
	
	n=on;
	d[0]={od,1};
	d[1]={od2,2};
	d[2]={od3,3};
	sort(d,d+3);
	m=ka.size();
	for(i=0;i<m;i++)
	{
		al[ka[i]].push_back({la[i],i});
		al[la[i]].push_back({ka[i],i});
		dsu[i]=i;
	}
	bct(0,-1);
	for(i=0;i<m;i++)
	{
		for(ii=0;ii<2;ii++)
		{
			al2[ka[i]].push_back(n+fd(i));
			al2[n+fd(i)].push_back(ka[i]);
			swap(ka[i],la[i]);
		}
	}
	for(i=0;i<n+m;i++)
	{
		sort(al2[i].begin(),al2[i].end());
		v.clear();
		sz=al2[i].size();
		for(j=0;j<sz;j++)
		{
			l=al2[i][j];
			if(!j||l!=al2[i][j-1])
			{
				v.push_back(l);
			}
		}
		al2[i]=v;
	}
	vtd.reset();
	bd(0);
	for(i=n;i<n+m;i++)
	{
		sz=al2[i].size();
		for(j=0;j<sz;j++)
		{
			l=al2[i][j];
			w=sbl[i][j];
			for(ii=0;ii<2;ii++)
			{
				if(w>=d[ii].fr&&n-w>=d[!ii].fr)
				{
					p=l;
					e=ii;
					break;
				}
			}
			if(ii<2)
			{
				break;
			}
		}
		if(j<sz)
		{
			vtd.reset();
			for(j=0;j<sz;j++)
			{
				l=al2[i][j];
				vtd[l]=l!=p;
			}
			trv(p,e);
			vtd.reset();
			vtd[p]=1;
			trv(al2[i][al2[i][0]==p],!e);
			bad=1;
			break;
		}
	}
	if(!bad)
	{
		for(i=n;i<n+m;i++)
		{
			if(fd(i-n)==i-n)
			{
				sz=al2[i].size();
				for(j=0;j<sz;j++)
				{
					w=sbl[i][j];
					if(n-w<d[1].fr)
					{
						break;
					}
				}
				if(j>=sz)
				{
					for(j=0;j<sz;j++)
					{
						l=al2[i][j];
						w=sbl[i][j];
						wg[l]=w;
					}
					vtd.reset();
					dh[l]=0;
					pr[l]=-1;
					dbd(l,-1);
					vtd.reset();
					dtrv(al3[l][al3[l].size()-1]);
					e=ttl<d[0].fr||n-ttl<d[1].fr;
					vtd.reset();
					for(ii=0;ii<2;ii++)
					{
						for(j=0;j<sz;j++)
						{
							l=al2[i][j];
							if(spc[l]==!ii)
							{
								trv(l,ii^e);
								break;
							}
						}
					}
					bad=1;
					break;
				}
			}
		}
	}
	for(i=0;i<n;i++)
	{
		if(bad&&!sq[i])
		{
			sq[i]=d[2].sc;
		}
		v2.push_back(sq[i]);
	}
	return v2;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 31376 KB ok, correct split
2 Correct 8 ms 31324 KB ok, correct split
3 Correct 7 ms 31324 KB ok, correct split
4 Correct 7 ms 31376 KB ok, correct split
5 Correct 8 ms 31324 KB ok, correct split
6 Correct 7 ms 33372 KB ok, correct split
7 Correct 215 ms 70732 KB ok, correct split
8 Correct 221 ms 65408 KB ok, correct split
9 Correct 195 ms 63680 KB ok, correct split
10 Correct 137 ms 66120 KB ok, correct split
11 Correct 225 ms 80088 KB ok, correct split

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 31320 KB ok, correct split
2 Correct 7 ms 31324 KB ok, correct split
3 Correct 7 ms 31356 KB ok, correct split
4 Correct 202 ms 64580 KB ok, correct split
5 Correct 161 ms 54184 KB ok, correct split
6 Correct 144 ms 66064 KB ok, correct split
7 Correct 199 ms 64788 KB ok, correct split
8 Correct 236 ms 61916 KB ok, correct split
9 Correct 124 ms 48448 KB ok, correct split
10 Correct 97 ms 54900 KB ok, correct split
11 Correct 114 ms 55452 KB ok, correct split
12 Correct 99 ms 55600 KB ok, correct split

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 31324 KB ok, correct split
2 Correct 188 ms 54148 KB ok, correct split
3 Correct 54 ms 40536 KB ok, correct split
4 Correct 7 ms 31324 KB ok, correct split
5 Correct 253 ms 58972 KB ok, correct split
6 Correct 217 ms 58492 KB ok, correct split
7 Correct 256 ms 58064 KB ok, correct split
8 Correct 206 ms 61364 KB ok, correct split
9 Correct 205 ms 57748 KB ok, correct split
10 Correct 46 ms 38956 KB ok, no valid answer
11 Correct 70 ms 42808 KB ok, no valid answer
12 Correct 124 ms 55104 KB ok, no valid answer
13 Correct 180 ms 54400 KB ok, no valid answer
14 Correct 97 ms 55692 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 31160 KB ok, correct split
2 Correct 7 ms 31324 KB ok, no valid answer
3 Correct 7 ms 31324 KB ok, correct split
4 Correct 7 ms 31360 KB ok, correct split
5 Correct 7 ms 33372 KB ok, correct split
6 Correct 7 ms 31324 KB ok, correct split
7 Correct 7 ms 31324 KB ok, correct split
8 Correct 8 ms 33372 KB ok, correct split
9 Correct 10 ms 32092 KB ok, correct split
10 Correct 10 ms 31980 KB ok, correct split
11 Correct 8 ms 33516 KB ok, correct split
12 Correct 11 ms 34372 KB ok, correct split
13 Correct 7 ms 33372 KB ok, correct split
14 Correct 7 ms 33372 KB ok, correct split
15 Correct 7 ms 31320 KB ok, correct split
16 Correct 6 ms 31324 KB ok, correct split
17 Correct 6 ms 31324 KB ok, correct split
18 Correct 7 ms 33440 KB ok, correct split
19 Correct 10 ms 33368 KB ok, correct split
20 Correct 8 ms 33628 KB ok, correct split
21 Correct 9 ms 31836 KB ok, correct split
22 Correct 10 ms 31836 KB ok, correct split
23 Correct 9 ms 32092 KB ok, correct split
24 Correct 11 ms 31836 KB ok, correct split
25 Correct 12 ms 31844 KB ok, correct split
26 Correct 11 ms 34136 KB ok, correct split
27 Correct 10 ms 34140 KB ok, correct split
28 Correct 10 ms 34172 KB ok, correct split
29 Correct 7 ms 33372 KB ok, correct split
30 Correct 10 ms 31836 KB ok, correct split
31 Correct 8 ms 31580 KB ok, correct split
32 Correct 7 ms 31324 KB ok, correct split
33 Correct 7 ms 31320 KB ok, correct split
34 Correct 12 ms 34084 KB ok, correct split
35 Correct 11 ms 33884 KB ok, correct split
36 Correct 10 ms 34140 KB ok, correct split
37 Correct 11 ms 34396 KB ok, correct split
38 Correct 13 ms 34452 KB ok, correct split
39 Correct 15 ms 34396 KB ok, correct split
40 Correct 12 ms 34268 KB ok, correct split
41 Correct 10 ms 33812 KB ok, correct split
42 Correct 9 ms 33884 KB ok, correct split
43 Correct 11 ms 32092 KB ok, correct split
44 Correct 10 ms 32092 KB ok, correct split
45 Correct 12 ms 32092 KB ok, correct split
46 Correct 10 ms 31992 KB ok, correct split
47 Correct 9 ms 31836 KB ok, no valid answer
48 Correct 10 ms 31836 KB ok, correct split
49 Correct 9 ms 31836 KB ok, correct split
50 Correct 7 ms 31324 KB ok, no valid answer
51 Correct 7 ms 31324 KB ok, no valid answer
52 Correct 9 ms 31836 KB ok, no valid answer
53 Correct 10 ms 32092 KB ok, no valid answer
54 Correct 9 ms 31840 KB ok, no valid answer
55 Correct 9 ms 31836 KB ok, no valid answer
56 Correct 10 ms 31868 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 31376 KB ok, correct split
2 Correct 8 ms 31324 KB ok, correct split
3 Correct 7 ms 31324 KB ok, correct split
4 Correct 7 ms 31376 KB ok, correct split
5 Correct 8 ms 31324 KB ok, correct split
6 Correct 7 ms 33372 KB ok, correct split
7 Correct 215 ms 70732 KB ok, correct split
8 Correct 221 ms 65408 KB ok, correct split
9 Correct 195 ms 63680 KB ok, correct split
10 Correct 137 ms 66120 KB ok, correct split
11 Correct 225 ms 80088 KB ok, correct split
12 Correct 7 ms 31320 KB ok, correct split
13 Correct 7 ms 31324 KB ok, correct split
14 Correct 7 ms 31356 KB ok, correct split
15 Correct 202 ms 64580 KB ok, correct split
16 Correct 161 ms 54184 KB ok, correct split
17 Correct 144 ms 66064 KB ok, correct split
18 Correct 199 ms 64788 KB ok, correct split
19 Correct 236 ms 61916 KB ok, correct split
20 Correct 124 ms 48448 KB ok, correct split
21 Correct 97 ms 54900 KB ok, correct split
22 Correct 114 ms 55452 KB ok, correct split
23 Correct 99 ms 55600 KB ok, correct split
24 Correct 7 ms 31324 KB ok, correct split
25 Correct 188 ms 54148 KB ok, correct split
26 Correct 54 ms 40536 KB ok, correct split
27 Correct 7 ms 31324 KB ok, correct split
28 Correct 253 ms 58972 KB ok, correct split
29 Correct 217 ms 58492 KB ok, correct split
30 Correct 256 ms 58064 KB ok, correct split
31 Correct 206 ms 61364 KB ok, correct split
32 Correct 205 ms 57748 KB ok, correct split
33 Correct 46 ms 38956 KB ok, no valid answer
34 Correct 70 ms 42808 KB ok, no valid answer
35 Correct 124 ms 55104 KB ok, no valid answer
36 Correct 180 ms 54400 KB ok, no valid answer
37 Correct 97 ms 55692 KB ok, no valid answer
38 Correct 7 ms 31160 KB ok, correct split
39 Correct 7 ms 31324 KB ok, no valid answer
40 Correct 7 ms 31324 KB ok, correct split
41 Correct 7 ms 31360 KB ok, correct split
42 Correct 7 ms 33372 KB ok, correct split
43 Correct 7 ms 31324 KB ok, correct split
44 Correct 7 ms 31324 KB ok, correct split
45 Correct 8 ms 33372 KB ok, correct split
46 Correct 10 ms 32092 KB ok, correct split
47 Correct 10 ms 31980 KB ok, correct split
48 Correct 8 ms 33516 KB ok, correct split
49 Correct 11 ms 34372 KB ok, correct split
50 Correct 7 ms 33372 KB ok, correct split
51 Correct 7 ms 33372 KB ok, correct split
52 Correct 7 ms 31320 KB ok, correct split
53 Correct 6 ms 31324 KB ok, correct split
54 Correct 6 ms 31324 KB ok, correct split
55 Correct 7 ms 33440 KB ok, correct split
56 Correct 10 ms 33368 KB ok, correct split
57 Correct 8 ms 33628 KB ok, correct split
58 Correct 9 ms 31836 KB ok, correct split
59 Correct 10 ms 31836 KB ok, correct split
60 Correct 9 ms 32092 KB ok, correct split
61 Correct 11 ms 31836 KB ok, correct split
62 Correct 12 ms 31844 KB ok, correct split
63 Correct 11 ms 34136 KB ok, correct split
64 Correct 10 ms 34140 KB ok, correct split
65 Correct 10 ms 34172 KB ok, correct split
66 Correct 7 ms 33372 KB ok, correct split
67 Correct 10 ms 31836 KB ok, correct split
68 Correct 8 ms 31580 KB ok, correct split
69 Correct 7 ms 31324 KB ok, correct split
70 Correct 7 ms 31320 KB ok, correct split
71 Correct 12 ms 34084 KB ok, correct split
72 Correct 11 ms 33884 KB ok, correct split
73 Correct 10 ms 34140 KB ok, correct split
74 Correct 11 ms 34396 KB ok, correct split
75 Correct 13 ms 34452 KB ok, correct split
76 Correct 15 ms 34396 KB ok, correct split
77 Correct 12 ms 34268 KB ok, correct split
78 Correct 10 ms 33812 KB ok, correct split
79 Correct 9 ms 33884 KB ok, correct split
80 Correct 11 ms 32092 KB ok, correct split
81 Correct 10 ms 32092 KB ok, correct split
82 Correct 12 ms 32092 KB ok, correct split
83 Correct 10 ms 31992 KB ok, correct split
84 Correct 9 ms 31836 KB ok, no valid answer
85 Correct 10 ms 31836 KB ok, correct split
86 Correct 9 ms 31836 KB ok, correct split
87 Correct 7 ms 31324 KB ok, no valid answer
88 Correct 7 ms 31324 KB ok, no valid answer
89 Correct 9 ms 31836 KB ok, no valid answer
90 Correct 10 ms 32092 KB ok, no valid answer
91 Correct 9 ms 31840 KB ok, no valid answer
92 Correct 9 ms 31836 KB ok, no valid answer
93 Correct 10 ms 31868 KB ok, no valid answer
94 Correct 242 ms 67716 KB ok, correct split
95 Correct 364 ms 86728 KB ok, correct split
96 Correct 350 ms 81180 KB ok, correct split
97 Correct 59 ms 40680 KB ok, correct split
98 Correct 64 ms 40340 KB ok, correct split
99 Correct 82 ms 46852 KB ok, correct split
100 Correct 219 ms 62416 KB ok, correct split
101 Correct 193 ms 59264 KB ok, correct split
102 Correct 200 ms 59832 KB ok, correct split
103 Correct 171 ms 59192 KB ok, correct split
104 Correct 137 ms 60228 KB ok, correct split
105 Correct 106 ms 48120 KB ok, correct split
106 Correct 192 ms 72760 KB ok, correct split
107 Correct 132 ms 56532 KB ok, correct split
108 Correct 167 ms 55072 KB ok, correct split
109 Correct 211 ms 64084 KB ok, correct split
110 Correct 300 ms 77844 KB ok, correct split
111 Correct 285 ms 78016 KB ok, correct split
112 Correct 249 ms 74548 KB ok, correct split
113 Correct 259 ms 75264 KB ok, correct split
114 Correct 26 ms 38416 KB ok, correct split
115 Correct 26 ms 37896 KB ok, correct split
116 Correct 178 ms 62944 KB ok, correct split
117 Correct 202 ms 62384 KB ok, correct split
118 Correct 117 ms 49400 KB ok, correct split
119 Correct 123 ms 49128 KB ok, correct split
120 Correct 146 ms 57956 KB ok, correct split
121 Correct 144 ms 53416 KB ok, no valid answer
122 Correct 200 ms 52172 KB ok, no valid answer
123 Correct 223 ms 61032 KB ok, no valid answer
124 Correct 273 ms 60588 KB ok, no valid answer
125 Correct 130 ms 57540 KB ok, no valid answer
126 Correct 85 ms 53344 KB ok, no valid answer
127 Correct 224 ms 58460 KB ok, no valid answer