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Submission #530749

# Submission time Handle Problem Language Result Execution time Memory
530749 2022-02-26T16:28:16 Z ToroTN Connecting Supertrees (IOI20_supertrees) C++14
100 / 100
 221 ms 32060 KB 
#include<bits/stdc++.h>
using namespace std;
#include "supertrees.h"
#include <vector>
int d[1005][1005],p1[1005],p2[1005],type,u,ans[1005][1005],vis[1005],cnt;
vector<int> v[1005],g[1005],kawin;
set<int> s[1005];
queue<int> q;
int f1(int a)
{
	if(p1[a]==a)
	{
		return a;
	}
	return p1[a]=f1(p1[a]);
}
void un1(int b,int c)
{
	p1[f1(b)]=f1(c);
}
int f2(int a)
{
	if(p2[a]==a)
	{
		return a;
	}
	return p2[a]=f2(p2[a]);
}
void un2(int b,int c)
{
	p2[f2(b)]=f2(c);
}
int construct(std::vector<std::vector<int>> p) {
	int n = p.size();
	std::vector<std::vector<int>> answer;
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			d[i][j]=p[i-1][j-1];
		}
		p1[i]=i;
		p2[i]=i;
	}
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			if(d[i][j]>=1)
			{
				un1(i,j);
			}
			if(d[i][j]==1)
			{
				un2(i,j);
			}
		}
	}
	/*for(int i=1;i<=n;i++)
	{
		printf("%d %d\n",p1[i],p2[i]);
	}*/
	type=0;
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			if(f1(i)!=f1(j))
			{
				if(d[i][j]!=0)
				{
					type=-1;
				}
			}else
			{
				if(f2(i)==f2(j))
				{
					if(d[i][j]!=1)
					{
						type=-1;
					}
				}else
				{
					if(d[i][j]!=2)
					{
						type=-1;
					}
				}
			}
		}
	}
	memset(vis,-1,sizeof vis);
	for(int i=1;i<=n;i++)
	{
		if(vis[i]==-1)
		{
			cnt=0;
			q.push(i);
			vis[i]=0;
			while(!q.empty())
			{
				u=q.front();
				++cnt;
				q.pop();
				for(int i=1;i<=n;i++)
				{
					if(d[u][i]==2)
					{
						if(vis[i]==-1)
						{
							vis[i]=0;
							q.push(i);
						}
					}
				}
			}
			if(cnt==2)
			{
				type=-1;
			}
		}
	}
	//printf("%d\n",type);
	for(int i=1;i<=n;i++)
	{
		v[f2(i)].push_back(i);
		s[f1(i)].insert(f2(i));
		//g[f1(i)].push_back(f2(i));
		//printf("%d %d\n",f1(i),f2(i));
	}
	/*printf("9holo\n");
	for(auto it=s[4].begin();it!=s[4].end();it++)
	{
		printf("%d ",*it);
	}
	printf("\n");*/
	for(int i=1;i<=n;i++)
	{
		//printf("atittarn=%d\n",i);
		for(auto it=s[i].begin();it!=s[i].end();it++)
		{
			//printf("%d ",*it);
			g[i].push_back(*it);
		}
		//printf("\n");
		/*for(int j=0;j<g[i].size();j++)
		{
			printf("%d ",g[i][j]);
		}
		printf("\n");*/
	}
	for(int i=1;i<=n;i++)
	{
		u=i;
		//printf("%d\n",i);
		for(int j=0;j<(int)v[i].size();j++)
		{
			//printf("%d ",v[i][j]);
			if(v[i][j]!=i)
			{
				ans[u][v[i][j]]=1;
				ans[v[i][j]][u]=1;
				u=v[i][j];
			}
		}
		//printf("\n");
		if(g[i].size()>=2)
		{
			for(int j=0;j<(int)g[i].size()-1;j++)
			{
				ans[g[i][j]][g[i][j+1]]=1;
				ans[g[i][j+1]][g[i][j]]=1;
			}
			ans[g[i][0]][g[i][g[i].size()-1]]=1;
			ans[g[i][g[i].size()-1]][g[i][0]]=1;
		}
	}
	/*for(int i=1;i<=n;i++)
	{
		ans[i][i]=1;
	}*/
	for(int i=1;i<=n;i++)
	{
		kawin.clear();
		for(int j=1;j<=n;j++)
		{
			kawin.push_back(ans[i][j]);
		}
		answer.push_back(kawin);
	}
	if(type==-1)
	{
		return 0;
	}
	build(answer);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 408 KB Output is correct
6 Correct 8 ms 2764 KB Output is correct
7 Correct 182 ms 29964 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 408 KB Output is correct
6 Correct 8 ms 2764 KB Output is correct
7 Correct 182 ms 29964 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 7 ms 1996 KB Output is correct
13 Correct 193 ms 26276 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 5 ms 2380 KB Output is correct
17 Correct 96 ms 20080 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 44 ms 9564 KB Output is correct
21 Correct 221 ms 30004 KB Output is correct
22 Correct 173 ms 29600 KB Output is correct
23 Correct 194 ms 30044 KB Output is correct
24 Correct 194 ms 26336 KB Output is correct
25 Correct 88 ms 20080 KB Output is correct
26 Correct 78 ms 19696 KB Output is correct
27 Correct 183 ms 30048 KB Output is correct
28 Correct 186 ms 26340 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 392 KB Output is correct
6 Correct 0 ms 396 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 8 ms 2180 KB Output is correct
9 Correct 171 ms 28100 KB Output is correct
10 Correct 1 ms 392 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 9 ms 2968 KB Output is correct
13 Correct 209 ms 32028 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 388 KB Output is correct
16 Correct 5 ms 2508 KB Output is correct
17 Correct 99 ms 22148 KB Output is correct
18 Correct 1 ms 388 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 43 ms 10180 KB Output is correct
22 Correct 190 ms 31976 KB Output is correct
23 Correct 169 ms 31956 KB Output is correct
24 Correct 193 ms 32060 KB Output is correct
25 Correct 74 ms 18392 KB Output is correct
26 Correct 88 ms 22100 KB Output is correct
27 Correct 178 ms 31968 KB Output is correct
28 Correct 182 ms 31972 KB Output is correct
29 Correct 87 ms 18396 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 44 ms 9540 KB Output is correct
5 Correct 170 ms 30020 KB Output is correct
6 Correct 170 ms 29500 KB Output is correct
7 Correct 184 ms 29920 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 45 ms 9692 KB Output is correct
10 Correct 172 ms 30068 KB Output is correct
11 Correct 168 ms 29976 KB Output is correct
12 Correct 181 ms 30064 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 43 ms 9656 KB Output is correct
17 Correct 175 ms 30048 KB Output is correct
18 Correct 174 ms 29892 KB Output is correct
19 Correct 172 ms 30060 KB Output is correct
20 Correct 164 ms 26352 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 408 KB Output is correct
6 Correct 8 ms 2764 KB Output is correct
7 Correct 182 ms 29964 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 7 ms 1996 KB Output is correct
13 Correct 193 ms 26276 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 5 ms 2380 KB Output is correct
17 Correct 96 ms 20080 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 44 ms 9564 KB Output is correct
21 Correct 221 ms 30004 KB Output is correct
22 Correct 173 ms 29600 KB Output is correct
23 Correct 194 ms 30044 KB Output is correct
24 Correct 194 ms 26336 KB Output is correct
25 Correct 88 ms 20080 KB Output is correct
26 Correct 78 ms 19696 KB Output is correct
27 Correct 183 ms 30048 KB Output is correct
28 Correct 186 ms 26340 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 1 ms 392 KB Output is correct
34 Correct 0 ms 396 KB Output is correct
35 Correct 1 ms 460 KB Output is correct
36 Correct 8 ms 2180 KB Output is correct
37 Correct 171 ms 28100 KB Output is correct
38 Correct 1 ms 392 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 9 ms 2968 KB Output is correct
41 Correct 209 ms 32028 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 388 KB Output is correct
44 Correct 5 ms 2508 KB Output is correct
45 Correct 99 ms 22148 KB Output is correct
46 Correct 1 ms 388 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 43 ms 10180 KB Output is correct
50 Correct 190 ms 31976 KB Output is correct
51 Correct 169 ms 31956 KB Output is correct
52 Correct 193 ms 32060 KB Output is correct
53 Correct 74 ms 18392 KB Output is correct
54 Correct 88 ms 22100 KB Output is correct
55 Correct 178 ms 31968 KB Output is correct
56 Correct 182 ms 31972 KB Output is correct
57 Correct 87 ms 18396 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 460 KB Output is correct
60 Correct 5 ms 2508 KB Output is correct
61 Correct 102 ms 22000 KB Output is correct
62 Correct 0 ms 332 KB Output is correct
63 Correct 1 ms 460 KB Output is correct
64 Correct 1 ms 460 KB Output is correct
65 Correct 45 ms 10192 KB Output is correct
66 Correct 82 ms 22084 KB Output is correct
67 Correct 81 ms 21984 KB Output is correct
68 Correct 80 ms 21972 KB Output is correct
69 Correct 78 ms 18516 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 408 KB Output is correct
6 Correct 8 ms 2764 KB Output is correct
7 Correct 182 ms 29964 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 7 ms 1996 KB Output is correct
13 Correct 193 ms 26276 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 5 ms 2380 KB Output is correct
17 Correct 96 ms 20080 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 44 ms 9564 KB Output is correct
21 Correct 221 ms 30004 KB Output is correct
22 Correct 173 ms 29600 KB Output is correct
23 Correct 194 ms 30044 KB Output is correct
24 Correct 194 ms 26336 KB Output is correct
25 Correct 88 ms 20080 KB Output is correct
26 Correct 78 ms 19696 KB Output is correct
27 Correct 183 ms 30048 KB Output is correct
28 Correct 186 ms 26340 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 1 ms 392 KB Output is correct
34 Correct 0 ms 396 KB Output is correct
35 Correct 1 ms 460 KB Output is correct
36 Correct 8 ms 2180 KB Output is correct
37 Correct 171 ms 28100 KB Output is correct
38 Correct 1 ms 392 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 9 ms 2968 KB Output is correct
41 Correct 209 ms 32028 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 388 KB Output is correct
44 Correct 5 ms 2508 KB Output is correct
45 Correct 99 ms 22148 KB Output is correct
46 Correct 1 ms 388 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 43 ms 10180 KB Output is correct
50 Correct 190 ms 31976 KB Output is correct
51 Correct 169 ms 31956 KB Output is correct
52 Correct 193 ms 32060 KB Output is correct
53 Correct 74 ms 18392 KB Output is correct
54 Correct 88 ms 22100 KB Output is correct
55 Correct 178 ms 31968 KB Output is correct
56 Correct 182 ms 31972 KB Output is correct
57 Correct 87 ms 18396 KB Output is correct
58 Correct 0 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 1 ms 332 KB Output is correct
61 Correct 44 ms 9540 KB Output is correct
62 Correct 170 ms 30020 KB Output is correct
63 Correct 170 ms 29500 KB Output is correct
64 Correct 184 ms 29920 KB Output is correct
65 Correct 1 ms 332 KB Output is correct
66 Correct 45 ms 9692 KB Output is correct
67 Correct 172 ms 30068 KB Output is correct
68 Correct 168 ms 29976 KB Output is correct
69 Correct 181 ms 30064 KB Output is correct
70 Correct 1 ms 332 KB Output is correct
71 Correct 1 ms 460 KB Output is correct
72 Correct 1 ms 460 KB Output is correct
73 Correct 43 ms 9656 KB Output is correct
74 Correct 175 ms 30048 KB Output is correct
75 Correct 174 ms 29892 KB Output is correct
76 Correct 172 ms 30060 KB Output is correct
77 Correct 164 ms 26352 KB Output is correct
78 Correct 1 ms 332 KB Output is correct
79 Correct 1 ms 460 KB Output is correct
80 Correct 5 ms 2508 KB Output is correct
81 Correct 102 ms 22000 KB Output is correct
82 Correct 0 ms 332 KB Output is correct
83 Correct 1 ms 460 KB Output is correct
84 Correct 1 ms 460 KB Output is correct
85 Correct 45 ms 10192 KB Output is correct
86 Correct 82 ms 22084 KB Output is correct
87 Correct 81 ms 21984 KB Output is correct
88 Correct 80 ms 21972 KB Output is correct
89 Correct 78 ms 18516 KB Output is correct
90 Correct 1 ms 388 KB Output is correct
91 Correct 1 ms 460 KB Output is correct
92 Correct 5 ms 2508 KB Output is correct
93 Correct 106 ms 21980 KB Output is correct
94 Correct 0 ms 332 KB Output is correct
95 Correct 1 ms 460 KB Output is correct
96 Correct 1 ms 460 KB Output is correct
97 Correct 21 ms 7636 KB Output is correct
98 Correct 81 ms 22120 KB Output is correct
99 Correct 94 ms 21860 KB Output is correct
100 Correct 78 ms 21956 KB Output is correct
101 Correct 73 ms 18404 KB Output is correct
102 Correct 82 ms 22112 KB Output is correct
103 Correct 94 ms 22140 KB Output is correct
104 Correct 95 ms 22116 KB Output is correct
105 Correct 90 ms 22108 KB Output is correct