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#include <bits/stdc++.h>
using namespace std;
int num_sets;
int num_queries;
vector<int> dad(100001);
vector<int> set_rank(100001);
int find_root(int node) {
if(node!=dad[node])
dad[node]=find_root(dad[node]);
return dad[node];
}
void unite(int first_node,int second_node) {
int first_root=find_root(first_node);
int second_root=find_root(second_node);
if(first_root==second_root)
return;
if(set_rank[first_root]<set_rank[second_root])
swap(first_root,second_root);
dad[second_root]=first_root;
if(set_rank[first_root]==set_rank[second_root])
set_rank[first_root]++;
}
int main() {
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
fin>>num_sets>>num_queries;
for(int i=1; i<=num_sets; i++)
dad[i]=i,set_rank[i]=1;
for(int i=1; i<=num_queries; i++) {
int type,first_node,second_node;
fin>>type>>first_node>>second_node;
if(type==1)
unite(first_node,second_node);
else if(find_root(first_node)==find_root(second_node))
fout<<"DA\n";
else
fout<<"NU\n";
}
return 0;
}