#define MOD_TYPE 2 #pragma region Macros #include using namespace std; /* #include #include using multiInt = boost::multiprecision::cpp_int; using lld = boost::multiprecision::cpp_dec_float_100; */ #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using ll = long long int; using ld = long double; using pii = pair; using pll = pair; using pld = pair; template using smaller_queue = priority_queue, greater>; constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353); constexpr int INF = (int)1e9; constexpr ll LINF = (ll)4e18; constexpr ld PI = acos(-1.0); constexpr ld EPS = 1e-11; constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0}; constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0}; #define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i) #define rep(i, n) REP(i, 0, n) #define REPI(i, m, n) for (int i = m; i < (int)(n); ++i) #define repi(i, n) REPI(i, 0, n) #define MP make_pair #define MT make_tuple #define YES(n) cout << ((n) ? "YES" : "NO") << "\n" #define Yes(n) cout << ((n) ? "Yes" : "No") << "\n" #define possible(n) cout << ((n) ? "possible" : "impossible") << "\n" #define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n" #define Yay(n) cout << ((n) ? "Yay!" : ":(") << "\n" #define all(v) v.begin(), v.end() #define NP(v) next_permutation(all(v)) #define dbg(x) cerr << #x << ":" << x << "\n"; inline void init_main() { cin.tie(0); ios::sync_with_stdio(false); cout << setprecision(30) << setiosflags(ios::fixed); } template 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; } inline ll CEIL(ll a, ll b) { return (a + b - 1) / b; } #pragma endregion class UnionFind { public: vector par, sizes; vector p, q; vector> v; UnionFind(int n = 200010) : par(n), sizes(n, 1), p(n, 0), q(n, 0), v(n) { iota(begin(par), end(par), 0); rep(i, n) v[i].emplace_back(i); } int root(int x) { if (x == par[x]) return x; return par[x] = root(par[x]); } void unite(int x, int y) { x = root(x); y = root(y); if (x == y) return; if (sizes[x] < sizes[y]) swap(x, y); for (auto u : v[y]) { q[u] += p[root(y)] - p[root(x)]; } for (auto u : v[y]) { p[u] = p[root(x)]; v[x].emplace_back(u); } v[y].clear(); par[y] = x; sizes[x] += sizes[y]; } bool same(int x, int y) { return root(x) == root(y); } int size(int x) { return sizes[root(x)]; } }; int main() { init_main(); int n, Q; cin >> n >> Q; UnionFind uf(n); rep(qi, Q) { int t, a, b; cin >> t >> a >> b; if (t == 1) { a--, b--; uf.unite(a, b); } else if (t == 2) { a--; uf.p[uf.root(a)] += b; } else { a--; cout << uf.p[uf.root(a)] + uf.q[a] << "\n"; } } return 0; }