#include using namespace std; using lint = long long int; using pint = pair; using plint = pair; struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; #define ALL(x) (x).begin(), (x).end() #define SZ(x) ((lint)(x).size()) #define POW2(n) (1LL << (n)) #define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i=i##_begin_;i--) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) template void ndarray(vector &vec, int len) { vec.resize(len); } template void ndarray(vector &vec, int len, Args... args) { vec.resize(len); for (auto &v : vec) ndarray(v, args...); } template bool mmax(T &m, const T q) { if (m < q) {m = q; return true;} else return false; } template bool mmin(T &m, const T q) { if (m > q) {m = q; return true;} else return false; } template istream &operator>>(istream &is, vector &vec){ for (auto &v : vec) is >> v; return is; } ///// This part below is only for debug, not used ///// template ostream &operator<<(ostream &os, const vector &vec){ os << "["; for (auto v : vec) os << v << ","; os << "]"; return os; } template ostream &operator<<(ostream &os, const deque &vec){ os << "deq["; for (auto v : vec) os << v << ","; os << "]"; return os; } template ostream &operator<<(ostream &os, const set &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const unordered_set &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const multiset &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const unordered_multiset &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const pair &pa){ os << "(" << pa.first << "," << pa.second << ")"; return os; } template ostream &operator<<(ostream &os, const map &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const unordered_map &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; } #define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl; ///// END ///// /* #include #include #include using namespace __gnu_pbds; // find_by_order(), order_of_key() template using pbds_set = tree, rb_tree_tag, tree_order_statistics_node_update>; template using pbds_map = tree, rb_tree_tag, tree_order_statistics_node_update>; */ template struct LazySegTree { int N; int head; vector val; vector dval; VAL I_val; DVAL I_dval; using vv2v = function; using d2d = function; using d2v = function; vv2v merge_val; d2d add_dval; d2v refl_dval; LazySegTree(vector &val_init, VAL val_default, DVAL dval_default, vv2v f, d2d dadd, d2v dreflect) : N(val_init.size()), I_val(val_default), I_dval(dval_default), merge_val(f), add_dval(dadd), refl_dval(dreflect) { int N_tmp = 1; while (N_tmp < N) N_tmp <<= 1; val = vector(N_tmp*2, I_val); dval = vector(N_tmp*2, I_dval); head = N_tmp - 1; for (int i=0; i=0; pos--) val[pos] = merge_val(val[pos*2+1], val[pos*2+2]); } void resolve_dval(int pos, int l, int r) { // posで遅延を解消して子孫に押し付ける refl_dval(val[pos], dval[pos]); if (pos < head) { add_dval(dval[pos*2+1], dval[pos]); add_dval(dval[pos*2+2], dval[pos]); } dval[pos] = I_dval; } void update(int begin, int end, DVAL dval_q) { update(begin, end, dval_q, 0, 0, head+1); } void update(int begin, int end, DVAL dval_q, int pos, int l, int r) { // 後でリファクタリング if (begin <= l && r <= end) { // 担当区間全部使う add_dval(dval[pos], dval_q); resolve_dval(pos, l, r); } else if (begin < r && l < end) { // 少なくともどこかで交差 resolve_dval(pos, l, r); update(begin, end, dval_q, pos*2+1, l, (l+r)/2); update(begin, end, dval_q, pos*2+2, (l+r)/2, r); val[pos] = merge_val(val[pos*2+1], val[pos*2+2]); } else resolve_dval(pos, l, r); } VAL getvalue(int begin, int end) { return getvalue(begin, end, 0, 0, head+1); } VAL getvalue(int begin, int end, int pos, int l, int r) { resolve_dval(pos, l, r); if (begin <= l && r <= end) return val[pos]; else if (begin> edges; vector vin, vout; vector vll; void dfs(int now, int prv) { vin[now] = vll.size(); for (auto nxt : edges[now]) if (nxt.first != prv) { vll.emplace_back(nxt.second, +1); dfs(nxt.first, now); vll.emplace_back(-nxt.second, -1); } vout[now] = vll.size(); } lint sign(lint x) { if (x == 0) return 0; return x / abs(x); } int main() { cin >> N; edges.resize(N); REP(_, N - 1) { int u, v, w; cin >> u >> v >> w; edges[u].emplace_back(v, w); edges[v].emplace_back(u, w); } vin.resize(N); vout.resize(N); dfs(0, -1); LazySegTree s(vll, plint(0, 0), 0, [&](plint a, plint b) { return plint(a.first + b.first, a.second + b.second); }, [](lint &a, lint b) { a += b; }, [](plint &a, lint b) { a.first += a.second * b; }); cin >> Q; REP(_, Q) { int q; cin >> q; if (q == 1) { int a, x; cin >> a >> x; s.update(vin[a], vout[a], x); } else { int b; cin >> b; cout << s.getvalue(vin[0], vin[b]).first << endl; } } }