Cod sursa(job #2340823)
| Utilizator | Data | 11 februarie 2019 09:37:12 | |
|---|---|---|---|
| Problema | Paduri de multimi disjuncte | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.67 kb |
#include <bits/stdc++.h>
#define nmax 100005
using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
int n,m,d[nmax];
int dad(int nod)
{
if (d[nod]==nod)
return nod;
return d[nod]=dad(d[nod]);
}
void unio(int x,int y)
{
d[dad(x)]=dad(y);
}
int main()
{
f>>n>>m;
for (int i=1; i<=n; ++i)
d[i]=i;
for (int i=1; i<=m; ++i)
{
int op,a,b;
f>>op>>a>>b;
if (op==1)
unio(a,b);
else
{
if (dad(a)==dad(b))
g<<"DA";
else
g<<"NU";
g<<"\n";
}
}
return 0;
}
