Submission #300384

#	Time	Username	Problem	Language	Result	Execution time	Memory
300384		Muhammetali	Connecting Supertrees (IOI20_supertrees)	C++14	11 / 100	304 ms	26204 KiB

supertrees

#include "supertrees.h"
#include <bits/stdc++.h>
#define mp make_pair
#define f first
#define s second
#define sz(x) (int)(x).size()
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pf push_front
#define pb push_back
using namespace std;
typedef long long ll;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
int res[1000][1000];
int construct(vector<vi> p)
{
	int n=sz(p);
	vi circle,line,group;
	set<int>cir,lin,grp;
	for (int i=0;i<n;i++)
	{
		for (int j=0;j<n;j++)
		{
			if (i==j)continue;
			if (p[i][j]==2)
			{
				if (cir.count(i)==0)
				{
					cir.insert(i);
					circle.pb(i);
				}
				if (cir.count(j)==0)
				{
					cir.insert(j);
					circle.pb(j);
				}
			}
			else if (p[i][j]==1)
			{
				if (lin.count(i)==0)
				{
					lin.insert(i);
					line.pb(i);
				}
				if (lin.count(j)==0)
				{
					lin.insert(j);
					line.pb(j);
				}
			}
			else if (p[i][j]==0)
			{
				if (grp.count(i)==0)
				{
					grp.insert(i);
					group.pb(i);
				}
				if (grp.count(j)==0)
				{
					grp.insert(j);
					group.pb(j);
				}
			}
		}
	}
	if (sz(circle)==0)
	{
		if (sz(group)==0)group.pb(0);
		for (int k=0;k<sz(group);k++)
		{
			for (int i=0;i<n;i++)
			{
				if (group[k]==i)continue;
				for (int j=0;j<n;j++)
				{
					if (p[group[k]][j]!=p[i][j])return 0;
				}
				res[group[k]][i]=1;
				res[i][group[k]]=1;
			}
		}
	}
	vector<vi>answer;
	for (int i=0;i<n;i++)
	{
		vi v;
		for (int j=0;j<n;j++)
		{
			v.pb(res[i][j]);
		}
		answer.pb(v);
	}
	build(answer);
	return 1;
}

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