Submission #756159

# Submission time Handle Problem Language Result Execution time Memory
756159 2023-06-11T08:42:11 Z Trumling Connecting Supertrees (IOI20_supertrees) C++14
0 / 100
0 ms 212 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<vector<int>>g;
vector<vector<int>>ans;
ll n;
bool dfs(int start,int beg)
{
	vis[start]=1;
	for(int i=0;i<n;i++)
		if(g[start][i]!=g[beg][i])
		return 0;
	
	for(int i=0;i<n;i++)
		if(!vis[i] && g[start][i])
		{
			ans[i][start]=1;
			ans[start][i]=1;
			return dfs(i,beg);
		}
	ans[start][beg]=1;
	ans[beg][start]=1;
	return 1;
}

int construct(vector<vector<int>> p) 
{
	n=p.size();
	g=p;

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

	for(int i=0;i<n;i++)
	{
		bool now=dfs(i,i);
		if(!now)
		return 0;
	}
	build(ans);
	return 1;

}
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB b[0][0] is not 0
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB b[0][0] is not 0
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB b[0][0] is not 0
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB b[0][0] is not 0
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB b[0][0] is not 0
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB b[0][0] is not 0
2 Halted 0 ms 0 KB -