package contest191004; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class D { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(); int[] from = new int[n - 1]; int[] to = new int[n - 1]; int[] ws = new int[n-1]; for (int i = 0; i < n - 1; i++) { from[i] = ni(); to[i] = ni(); ws[i] = ni(); } int[][] g = packU(n, from, to); int[][] pars = parents3(g, 0); int[] par = pars[0], ord = pars[1], dep = pars[2]; HeavyLightDecomposition hld = new HeavyLightDecomposition(g, par, ord, dep); long[][][] fts = new long[hld.m][2][]; long[][] pluss = new long[hld.m][]; for(int i = 0;i < hld.m;i++) { fts[i][0] = new long[hld.cluspath[i].length+5]; fts[i][1] = new long[hld.cluspath[i].length+5]; pluss[i] = new long[hld.cluspath[i].length+5]; } int[][] rights = makeRights(g, par, 0); int[] iord = rights[1], right = rights[2]; long[] ft = new long[n+5]; for(int i = 0;i < n-1;i++) { int base = to[i]; if(par[from[i]] == to[i]) { base = from[i]; } addFenwick(ft, iord[base], ws[i]); addFenwick(ft, right[iord[base]] + 1, -ws[i]); } for(int Q = ni();Q > 0;Q--) { int t = ni(); if(t == 1) { int a = ni(), x = ni(); int base = a; int clus = hld.clus[base]; addFenwick(pluss[clus], hld.clusiind[base], x); addRangeFenwick(fts[hld.clus[base]][0], fts[hld.clus[base]][1], hld.clusiind[base], hld.cluspath[clus].length, x); }else { int b = ni(); long ans = sumFenwick(ft, iord[b]); long des = 0; for(int x = b;x != -1;){ int cx = hld.clus[x]; int r = hld.clusiind[x]; ans += sumRangeFenwick(fts[cx][0], fts[cx][1], r-1); ans += sumFenwick(pluss[cx], r) * des; des += r+1; x = par[hld.cluspath[cx][0]]; } out.println(ans); } } } public static void addRangeFenwick(long[] ft0, long[] ft1, int i, long v) { addFenwick(ft1, i+1, -v); addFenwick(ft1, 0, v); addFenwick(ft0, i+1, v*(i+1)); } public static void addRangeFenwick(long[] ft0, long[] ft1, int a, int b, long v) { if(a <= b){ addFenwick(ft1, b+1, -v); addFenwick(ft0, b+1, v*(b+1)); addFenwick(ft1, a, v); addFenwick(ft0, a, -v*a); } } public static long sumRangeFenwick(long[] ft0, long[] ft1, int i) { return sumFenwick(ft1, i) * (i+1) + sumFenwick(ft0, i); } public static long sumFenwick(long[] ft, int i) { long sum = 0; for(i++;i > 0;i -= i&-i)sum += ft[i]; return sum; } public static void addFenwick(long[] ft, int i, long v) { if(v == 0)return; int n = ft.length; for(i++;i < n;i += i&-i)ft[i] += v; } public static int[] sortByPreorder(int[][] g, int root){ int n = g.length; int[] stack = new int[n]; int[] ord = new int[n]; boolean[] ved = new boolean[n]; stack[0] = root; int p = 1; int r = 0; ved[root] = true; while(p > 0){ int cur = stack[p-1]; ord[r++] = cur; p--; for(int e : g[cur]){ if(!ved[e]){ ved[e] = true; stack[p++] = e; } } } return ord; } /** * ルートrootの木gに対し、行きがけ順で訪れたときの各ノードの子孫を表す範囲の終端を計算する。 * 格納はソート順で行われている。ルートが[0]に対応する。 * [ord, iord, right] * * @usage ノード番号xに対して対応する範囲は[iord[x], right[iord[x]]]. * @param g * @param par * @param root * @return */ public static int[][] makeRights(int[][] g, int[] par, int root) { int n = g.length; int[] ord = sortByPreorder(g, root); int[] iord = new int[n]; for(int i = 0;i < n;i++)iord[ord[i]] = i; int[] right = new int[n]; for(int i = n-1;i >= 1;i--){ if(right[i] == 0)right[i] = i; int p = iord[par[ord[i]]]; right[p] = Math.max(right[p], right[i]); } return new int[][]{ord, iord, right}; } public static class HeavyLightDecomposition { public int[][] g; public int[] clus; public int[][] cluspath; public int[] clusiind; public int[] par, dep; public int m; public HeavyLightDecomposition(int[][] g, int[] par, int[] ord, int[] dep) { init(g, par, ord, dep); } public void init(int[][] g, int[] par, int[] ord, int[] dep) { clus = decomposeToHeavyLight(g, par, ord); cluspath = clusPaths(clus, ord); clusiind = clusIInd(cluspath, g.length); this.m = cluspath.length; this.par = par; this.dep = dep; this.g = g; } public static int[] decomposeToHeavyLight(int[][] g, int[] par, int[] ord) { int n = g.length; int[] size = new int[n]; Arrays.fill(size, 1); for(int i = n-1;i > 0;i--)size[par[ord[i]]] += size[ord[i]]; int[] clus = new int[n]; Arrays.fill(clus, -1); int p = 0; for(int i = 0;i < n;i++){ int u = ord[i]; if(clus[u] == -1)clus[u] = p++; // centroid path (not heavy path) int argmax = -1; for(int v : g[u]){ if(par[u] != v && (argmax == -1 || size[v] > size[argmax]))argmax = v; } if(argmax != -1)clus[argmax] = clus[u]; } return clus; } public static int[][] clusPaths(int[] clus, int[] ord) { int n = clus.length; int[] rp = new int[n]; int sup = 0; for(int i = 0;i < n;i++){ rp[clus[i]]++; sup = Math.max(sup, clus[i]); } sup++; int[][] row = new int[sup][]; for(int i = 0;i < sup;i++)row[i] = new int[rp[i]]; for(int i = n-1;i >= 0;i--){ row[clus[ord[i]]][--rp[clus[ord[i]]]] = ord[i]; } return row; } public static int[] clusIInd(int[][] clusPath, int n) { int[] iind = new int[n]; for(int[] path : clusPath){ for(int i = 0;i < path.length;i++){ iind[path[i]] = i; } } return iind; } public int lca(int x, int y) { int rx = cluspath[clus[x]][0]; int ry = cluspath[clus[y]][0]; while(clus[x] != clus[y]){ if(dep[rx] > dep[ry]){ x = par[rx]; rx = cluspath[clus[x]][0]; }else{ y = par[ry]; ry = cluspath[clus[y]][0]; } } return clusiind[x] > clusiind[y] ? y : x; } public int ancestor(int x, int v) { while(x != -1){ if(v <= clusiind[x])return cluspath[clus[x]][clusiind[x]-v]; v -= clusiind[x]+1; x = par[cluspath[clus[x]][0]]; } return x; } } public static int[][] parents3(int[][] g, int root) { int n = g.length; int[] par = new int[n]; Arrays.fill(par, -1); int[] depth = new int[n]; depth[0] = 0; int[] q = new int[n]; q[0] = root; for (int p = 0, r = 1; p < r; p++) { int cur = q[p]; for (int nex : g[cur]) { if (par[cur] != nex) { q[r++] = nex; par[nex] = cur; depth[nex] = depth[cur] + 1; } } } return new int[][] { par, q, depth }; } static int[][] packU(int n, int[] from, int[] to) { int[][] g = new int[n][]; int[] p = new int[n]; for (int f : from) p[f]++; for (int t : to) p[t]++; for (int i = 0; i < n; i++) g[i] = new int[p[i]]; for (int i = 0; i < from.length; i++) { g[from[i]][--p[from[i]]] = to[i]; g[to[i]][--p[to[i]]] = from[i]; } return g; } void run() throws Exception { is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); long s = System.currentTimeMillis(); solve(); out.flush(); if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){ // @Override // public void run() { // long s = System.currentTimeMillis(); // solve(); // out.flush(); // if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); // } // }; // t.start(); // t.join(); } public static void main(String[] args) throws Exception { new D().run(); } private byte[] inbuf = new byte[1024]; public int lenbuf = 0, ptrbuf = 0; private int readByte() { if(lenbuf == -1)throw new InputMismatchException(); if(ptrbuf >= lenbuf){ ptrbuf = 0; try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); } if(lenbuf <= 0)return -1; } return inbuf[ptrbuf++]; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; } private double nd() { return Double.parseDouble(ns()); } private char nc() { return (char)skip(); } private String ns() { int b = skip(); StringBuilder sb = new StringBuilder(); while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ') sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } private char[] ns(int n) { char[] buf = new char[n]; int b = skip(), p = 0; while(p < n && !(isSpaceChar(b))){ buf[p++] = (char)b; b = readByte(); } return n == p ? buf : Arrays.copyOf(buf, p); } private int[] na(int n) { int[] a = new int[n]; for(int i = 0;i < n;i++)a[i] = ni(); return a; } private long[] nal(int n) { long[] a = new long[n]; for(int i = 0;i < n;i++)a[i] = nl(); return a; } private char[][] nm(int n, int m) { char[][] map = new char[n][]; for(int i = 0;i < n;i++)map[i] = ns(m); return map; } private int[][] nmi(int n, int m) { int[][] map = new int[n][]; for(int i = 0;i < n;i++)map[i] = na(m); return map; } private int ni() { return (int)nl(); } private long nl() { long num = 0; int b; boolean minus = false; while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-')); if(b == '-'){ minus = true; b = readByte(); } while(true){ if(b >= '0' && b <= '9'){ num = num * 10 + (b - '0'); }else{ return minus ? -num : num; } b = readByte(); } } private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }