Pagini recente » Cod sursa (job #1008769) | Cod sursa (job #1254856) | Cod sursa (job #455317) | Cod sursa (job #789870) | Cod sursa (job #2932074)
#include<bits/stdc++.h>
using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
int n, q, dad[100001], rang[100001], tip, a, b;
int find1(int x)
{
if(dad[x]==x)
return x;
return dad[x]=find1(dad[x]);
}
void union1(int x, int y)
{
if(rang[x]>rang[y])
dad[y]=x, rang[x]+=rang[y];
else
dad[x]=y, rang[y]+=rang[x];
}
int main()
{
f>>n>>q;
for(int i=1; i<=n; i++)
dad[i]=i, rang[i]=1; ///initial, tatal lui i este chiar i, iar rangul este 1
for(; q; q--)
{
f>>tip>>a>>b;
if(tip==1)
union1(find1(a), find1(b)); ///reunim multimile in care se afla elementele
else
{
if(find1(a)==find1(b)) ///verificare op. tip 2 se afla / nu se afla in multime ambele
g<<"DA";
else
g<<"NU";
g<<'\n';
}
}
///Complexitate: O(n * log n)
return 0;
}