/** * author: otera **/ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; typedef long double ld; const int inf=1e9+7; const ll INF=1LL<<60 ; const ll mod=1e9+7 ; #define rep(i,n) for(int i=0;i=0;i--) #define Rep(i,sta,n) for(int i=sta;i=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) typedef complex Point; const ld eps = 1e-8; const ld pi = acos(-1.0); typedef pair P; typedef pair LDP; typedef pair LP; #define fr first #define sc second #define all(c) c.begin(),c.end() #define pb push_back #define debug(x) cerr << #x << " = " << (x) << endl; template inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } struct UnionFind { vector par, w, sum; UnionFind(int n) : par(n, -1), w(n, 0), sum(n, 0) { } //void init(int n) { par.assign(n, -1); w.assign(n, 0); } int root(int x) { if (par[x] < 0) return x; else return root(par[x]); } void add(int k, int num) { sum[root(k)] += num; } int value(int k) { int res = sum[k]; while(par[k] >= 0) { k = par[k]; res += sum[k]; } return res; } bool issame(int x, int y) { return root(x) == root(y); } bool merge(int x, int y) { x = root(x); y = root(y); if (x == y) { ++w[x]; return false; } if (par[x] > par[y]) swap(x, y); // merge technique par[x] += par[y]; par[y] = x; sum[y] -= sum[x]; w[x] += w[y]; ++w[x]; return true; } int size(int x) { return -par[root(x)]; } int wei(int x) { return w[root(x)]; } }; void solve() { int n, q; cin >> n >> q; UnionFind uf(n); rep(i, q) { int t, a, b; cin >> t >> a >> b; if(t == 1) { -- a; --b; uf.merge(a, b); } else if(t == 2) { -- a; uf.add(a, b); } else { -- a; cout << uf.value(a) << endl; } } } signed main() { ios::sync_with_stdio(false); cin.tie(0); //cout << fixed << setprecision(10); //int t; cin >> t; rep(i, t)solve(); solve(); return 0; }