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CD1IT5.cpp
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CD1IT5.cpp
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#include <bits/stdc++.h>
#define ll long long
#define get(a) scanf("%lld", &a);
#define rep(n) for( ll i = 1; i <= n; i++ )
#define repVector(v) for( vector<ll>::iterator it = v.begin(); it != v.end(); it++ )
#define repSet(s) for( typeof(s.begin()) it = s.begin(); it != s.end(); it++ )
#define all(c) c.begin(), c.end()
#define pb push_back
#define absol(a) ( ( a >= 0 ) ? a : -a )
#define FOR(i,a,b) for( ll i = a; i <= b; i++ )
#define matrix vector< vector<ll> >
#define MOD 1000000007
#define F first
#define S second
#define mp make_pair
#define foo(a,b,c) mp( mp(a,b), c )
#define L 2*r
#define R 2*r+1
#define INPFILE freopen("input.in","r",stdin)
using namespace std;
ll parent[100005] = {0};
ll find( ll x ) {
if( parent[x] != x )
parent[x] = find( parent[x] );
return parent[x];
}
void join( ll x, ll y ) {
ll p = find(x);
ll q = find(y);
parent[p] = q;
}
int main() {
// INPFILE;
ll n, q;
get(n); get(q);
FOR(i,1,n)
parent[i] = i;
while(q--) {
ll w, x, y;
get(w); get(x); get(y);
if( w == 0 ) {
join(x,y);
}
else if( w == 1 ) {
if( find(x) == find(y) )
printf("Yes\n");
else
printf("No\n");
}
}
}