oj.uz

Submission #756328

# Submission time Handle Problem Language Result Execution time Memory
756328 2023-06-11T13:55:44 Z Trumling Connecting Supertrees (IOI20_supertrees) C++14
56 / 100
 225 ms 26840 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std; 

typedef long long ll;
#define pb push_back
#define F first
#define S second
#define enter cout<<'\n';
#define INF 99999999999999999
#define MOD 1000000007
#define all(x) x.begin(),x.end()

vector<bool>vis(1000,0);
vector<bool>vis2(1000,0);

vector<vector<int>>g;
vector<vector<int>>ans;
ll nn;

bool dfs1(int start,int beg)
{
	vis[start]=1;
	for(int i=0;i<nn;i++)
		if(g[start][i]!=g[beg][i] && i!=start && i!=beg)
			return 0;

	for(int i=0;i<nn;i++)
		if(!vis[i] && g[start][i]==1)
		{
			ans[i][start]=1;
			ans[start][i]=1;
			return dfs1(i,beg);
		}

	vis[beg]=0;

	return 1;
}

bool dfs2(int start,int beg)
{
	vis[start]=1;

	//for(int i=0;i<nn;i++)
		//if(g[start][i]!=g[beg][i] && i!=start && i!=beg)
		//	return 0;
		
		

	//ll count=0;
	//for(int i=0;i<nn;i++)
		//if(g[start][i]==2)
		//count++;
	
	//if(count==1)
	//return 0;

	for(int i=0;i<nn;i++)
		if(!vis[i] && g[start][i]==2)
		{
			ans[i][start]=1;
			ans[start][i]=1;

			return dfs2(i,beg);
		}
	ans[start][beg]=1;
	ans[beg][start]=1;
	return 1;
}

int construct(vector<vector<int>> pr) 
{
	nn=pr.size();
	g=pr;

	ans.assign(nn,vector<int>(nn,0));

	for(int i=0;i<nn;i++)
	{
		bool now=dfs1(i,i);
		if(!now)
		return 0;
	}

	for(int i=0;i<nn;i++)
	{
		if(vis[i])
		continue;

		bool now=dfs2(i,i);
		if(!now)
		return 0;
	}

	for(int i=0;i<nn;i++)
	ans[i][i]=0;

	build(ans);
	return 1;

}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 8 ms 1340 KB Output is correct
7 Correct 180 ms 25984 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 8 ms 1340 KB Output is correct
7 Correct 180 ms 25984 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 8 ms 1236 KB Output is correct
13 Correct 220 ms 25996 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 952 KB Output is correct
17 Correct 96 ms 16840 KB Output is correct
18 Correct 2 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 79 ms 7240 KB Output is correct
21 Correct 200 ms 26716 KB Output is correct
22 Correct 195 ms 26840 KB Output is correct
23 Correct 224 ms 26724 KB Output is correct
24 Correct 217 ms 26760 KB Output is correct
25 Correct 86 ms 16940 KB Output is correct
26 Correct 74 ms 16828 KB Output is correct
27 Correct 188 ms 26784 KB Output is correct
28 Correct 212 ms 26744 KB Output is correct

Subtask #3
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Incorrect 0 ms 212 KB Answer gives possible 1 while actual possible 0
5 Halted 0 ms 0 KB -

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 49 ms 6680 KB Output is correct
5 Correct 189 ms 25928 KB Output is correct
6 Correct 187 ms 25884 KB Output is correct
7 Correct 192 ms 25984 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 48 ms 6716 KB Output is correct
10 Correct 204 ms 26052 KB Output is correct
11 Correct 206 ms 25924 KB Output is correct
12 Correct 203 ms 25988 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 51 ms 6672 KB Output is correct
17 Correct 225 ms 25980 KB Output is correct
18 Correct 199 ms 25980 KB Output is correct
19 Correct 202 ms 25912 KB Output is correct
20 Correct 185 ms 25968 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 8 ms 1340 KB Output is correct
7 Correct 180 ms 25984 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 8 ms 1236 KB Output is correct
13 Correct 220 ms 25996 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 952 KB Output is correct
17 Correct 96 ms 16840 KB Output is correct
18 Correct 2 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 79 ms 7240 KB Output is correct
21 Correct 200 ms 26716 KB Output is correct
22 Correct 195 ms 26840 KB Output is correct
23 Correct 224 ms 26724 KB Output is correct
24 Correct 217 ms 26760 KB Output is correct
25 Correct 86 ms 16940 KB Output is correct
26 Correct 74 ms 16828 KB Output is correct
27 Correct 188 ms 26784 KB Output is correct
28 Correct 212 ms 26744 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Incorrect 0 ms 212 KB Answer gives possible 1 while actual possible 0
33 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 8 ms 1340 KB Output is correct
7 Correct 180 ms 25984 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 8 ms 1236 KB Output is correct
13 Correct 220 ms 25996 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 952 KB Output is correct
17 Correct 96 ms 16840 KB Output is correct
18 Correct 2 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 79 ms 7240 KB Output is correct
21 Correct 200 ms 26716 KB Output is correct
22 Correct 195 ms 26840 KB Output is correct
23 Correct 224 ms 26724 KB Output is correct
24 Correct 217 ms 26760 KB Output is correct
25 Correct 86 ms 16940 KB Output is correct
26 Correct 74 ms 16828 KB Output is correct
27 Correct 188 ms 26784 KB Output is correct
28 Correct 212 ms 26744 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Incorrect 0 ms 212 KB Answer gives possible 1 while actual possible 0
33 Halted 0 ms 0 KB -