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#include <iostream>
#include <fstream>
using namespace std;
const int nmax = 1e5 + 2;
int rang[nmax], to[nmax];
inline int find(int x)
{
int rad = x;
while(to[rad] != rad)
rad = to[rad];
while(to[x] != x)
{
int y = to[x];
to[x] = rad;
x = y;
}
return rad;
}
inline void unite(int x, int y)
{
if(rang[x] > rang[y])
to[y] = x;
else
to[x] = y;
if(rang[x] == rang[y])
rang[x]++;
}
int main()
{
ifstream f("disjoint.in");
ofstream g("disjoint.out");
int n, q; f >> n >> q;
for(int i = 1; i <= n; i++)
{
rang[i] = 1;
to[i] = i;
}
while(q--)
{
int c, a, b; f >> c >> a >> b;
if(c == 1)
unite(find(a), find(b));
else
g << (find(a) == find(b) ? "DA\n" : "NU\n");
}
f.close();
g.close();
return 0;
}