Submission #300775

#	Time	Username	Problem	Language	Result	Execution time	Memory
300775		nadidadit	Connecting Supertrees (IOI20_supertrees)	C++17	0 / 100	1 ms	384 KiB

supertrees

#include "supertrees.h"
#include <bits/stdc++.h>
#define fi first
#define se second
#define eb emplace_back
#define all(v) (v).begin(), (v).end()
#define rmin(r, x) r = min(r, x)
#define rmax(r, x) r = max(r, x)
#define ends ' '
#define endl '\n'
#define fastio ios_base::sync_with_stdio(0), cin.tie(0)
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
 
const int maxn = 1e3 + 10;
 
int n;
vector<vector<int>> b;
 
int construct(vector<std::vector<int>> p) {
	n = p.size();
	b.resize(n);
	for(int i = 0; i < n; ++i)	b[i].resize(n);
	int adit[n];
		for(int i=0;i<n;i++)
	{
		for(int j=0;j<n;j++)
		{
		    b[i][j]=0;
			adit[i]=0;
		}
	}
	int count=0,past;
	for(int i=0;i<n;i++)
	{
		past=i;
		for(int j=0;j<n;j++)
		{
			if(i!=j && p[i][j]==1)
			{
				if((adit[i]==0 && adit[j]==0))
				{
					b[past][j]=1;
					b[j][past]=1;
					adit[j]=1;
					adit[past]=1;
					past=j;
				}
				else if(adit[i]==1 && adit[j]==1)
				{
					
				}
			    else
			    {
			    	return 0;
				}
			}
			adit[i]=1;
		}
	}
	build(b);
	return 1;
}

Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:35:6: warning: unused variable 'count' [-Wunused-variable]
   35 |  int count=0,past;
      |      ^~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 10
• Subtask 3: 0 / 19
• Subtask 4: 0 / 35
• Subtask 5: 0 / 21
• Subtask 6: 0 / 4