Submission #1022179

#	Time	Username	Problem	Language	Result	Execution time	Memory
1022179		vjudge1	Kutije (COCI21_kutije)	C++17	70 / 70	892 ms	10780 KiB

Main

#include <bits/stdc++.h>

using namespace std;

const int M = 1001;

vector<int> nei[M];
int nm[M],cc;
bool vis[M];

void dfs(int u)
{
	vis[u]=1;
	nm[u]=cc;
	for (int i:nei[u])
		if (!vis[i])
			dfs(i);
}

int main()
{
	int n,m,q;
	cin>>n>>m>>q;
	int a[n+1];
	for (int i=0;i<m;i++)
	{
		for (int i=1;i<=n;i++)
			cin>>a[i];
		for (int i=1;i<=n;i++)
		{
			nei[i].push_back(a[i]);
			nei[a[i]].push_back(i);
		}
	}
	for (int i=1;i<=n;i++)
	{
		if (!vis[i])
		{
			dfs(i);
			cc++;
		}
	}
	while (q--)
	{
		int a,b;
		cin>>a>>b;
		if (nm[a]==nm[b])
			cout<<"DA"<<'\n';
		else
			cout<<"NE"<<'\n';
	}
	
	return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 35 / 35