#include #define rep(i,n) for (int i = 0; i < (n); ++i) #define rrep(i,n) for (int i = (n)-1; i >= 0; i--) #define rep2(i,s,n) for (int i = (s); i < (n); ++i) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define pb push_back #define eb emplace_back #define vi vector #define vvi vector> #define vl vector #define vvl vector> #define vd vector #define vs vector #define vc vector #define vb vector #define vp vector

using namespace std; using ll = long long; using P = pair; using LP = pair; template istream& operator>>(istream& is,vector& v) { for(T& t:v){is>>t;} return is; } template ostream& operator<<(ostream& os,const vector& v) { for(T t:v){os< inline bool chmin(T& a,T b) {if(a > b){a = b; return true;} return false;} template inline bool chmax(T& a,T b) {if(a < b){a = b; return true;} return false;} const int inf = 1001001001; const ll linf = 1001001001001001001; class unionfind { int n; vector par; public: unionfind(int n):n(n),par(n,-1) {} int root(int x) { if(par[x] < 0) return x; else return par[x] = root(par[x]); } void add() { n++; par.pb(-1); } bool same(int x,int y) { return root(x) == root(y); }; bool merge(int x,int y) { x = root(x); y = root(y); if(x == y) return false; par[x] += par[y]; par[y] = x; return true; } int size(int x) { return -par[root(x)]; }; bool connected() { rep(i,n-1) if(!same(i,i+1)) return false; return true; } }; struct node { int par; vi ch; }; template class lazy_segtree { int n; vector val,lazy; T identity_merge,identity_update; MERGE merge; // (T,T) -> T // update value for specified times UPDATE _update; // (T,T,int) -> T void eval(int k,int l,int r) { if(lazy[k] == identity_update) return; if(k < n-1) { lazy[k*2+1] = _update(lazy[k*2+1],lazy[k],1); lazy[k*2+2] = _update(lazy[k*2+2],lazy[k],1); } val[k] = _update(val[k],lazy[k],r-l); lazy[k] = identity_update; } public: lazy_segtree(int _n,vector init,T identity_merge,T identity_update, MERGE merge,UPDATE update) :identity_merge(identity_merge),identity_update(identity_update),merge(merge),_update(update) { n = 1; while(n < _n) n *= 2; val = vector(2*n-1,identity_merge); lazy = vector(2*n-1,identity_update); rep(i,_n) val[i+n-1] = init[i]; rrep(i,n-1) val[i] = merge(val[i*2+1],val[i*2+2]); } void update(int a,int b,T x,int k = 0,int l = 0,int r = -1) { if(r == -1) r = n; eval(k,l,r); if(a <= l && r <= b) { lazy[k] = _update(lazy[k],x,1); eval(k,l,r); } else if(a < r && l < b) { update(a,b,x,k*2+1,l,(l+r)/2); update(a,b,x,k*2+2,(l+r)/2,r); val[k] = merge(val[k*2+1],val[k*2+2]); } } // segment [a,b) T query(int a,int b,int k = 0,int l = 0,int r = -1) { if(r == -1) r = n; eval(k,l,r); if(b <= l || r <= a) return identity_merge; if(a <= l && r <= b) return val[k]; T t1 = query(a,b,2*k+1,l,(l+r)/2); T t2 = query(a,b,2*k+2,(l+r)/2,r); return merge(t1,t2); } pair operator[](int i) const { return make_pair(val[i],lazy[i]); } }; int now = 0; void dfs(int v,vector &G,vi &in,vi &out) { in[v] = now++; for(int u : G[v].ch) { dfs(u,G,in,out); } out[v] = now; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int n,q; cin >> n >> q; vp que; unionfind uf(n); vector G; rep(i,n) G.pb(node{-1,{}}); int sz = n; rep(_,q) { int t,a,b; cin >> t >> a >> b; if(t == 1) { a--; b--; if(uf.same(a,b)) continue; int ra = uf.root(a),rb = uf.root(b); uf.add(); G.pb(node{-1,{}}); G[sz].ch.pb(ra); G[sz].ch.pb(rb); G[ra].par = sz; G[rb].par = sz; uf.merge(sz,ra); uf.merge(sz,rb); sz++; } else if(t == 2) { a--; int r = uf.root(a); que.eb(r,b); } else que.eb(a-1,-1); } G.pb(node{-1,{}}); rep(i,sz) { if(G[i].par != -1) continue; G[i].par = sz; G[sz].ch.pb(i); } sz++; vi in(sz),out(sz); dfs(sz-1,G,in,out); // assert(now == sz); auto f = [](int a,int b){ return a+b; }; auto g = [](int a,int b,int c){ return a+b*c; }; lazy_segtree st(sz,vi(sz,0),0,0,f,g); for(auto [a,b] : que) { if(b == -1) { cout << st.query(in[a],in[a]+1) << "\n"; } else { st.update(in[a],out[a],b); } } // rep(i,sz) { // cout << i << " " << G[i].par << "\n"; // cout << "ch: "; // cout << G[i].ch; // } // rep(i,sz) cout << i << " in: " << in[i] << " out: " << out[i] << "\n"; }