#line 1 "library/Template/template.hpp" #include using namespace std; #define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define ALL(v) (v).begin(),(v).end() using ll=long long int; const int inf = 0x3fffffff; const ll INF = 0x1fffffffffffffff; templateinline bool chmax(T& a,T b){if(ainline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;} #line 2 "library/Utility/fastio.hpp" #include class FastIO{ static constexpr int L=1<<16; char rdbuf[L]; int rdLeft=0,rdRight=0; inline void reload(){ int len=rdRight-rdLeft; memmove(rdbuf,rdbuf+rdLeft,len); rdLeft=0,rdRight=len; rdRight+=fread(rdbuf+len,1,L-len,stdin); } inline bool skip(){ for(;;){ while(rdLeft!=rdRight and rdbuf[rdLeft]<=' ')rdLeft++; if(rdLeft==rdRight){ reload(); if(rdLeft==rdRight)return false; } else break; } return true; } template::value,int> =0>inline bool _read(T& x){ if(!skip())return false; if(rdLeft+20>=rdRight)reload(); bool neg=false; if(rdbuf[rdLeft]=='-'){ neg=true; rdLeft++; } x=0; while(rdbuf[rdLeft]>='0' and rdLeft::value,int> =0>inline bool _read(T& x){ if(!skip())return false; if(rdLeft+20>=rdRight)reload(); bool neg=false; if(rdbuf[rdLeft]=='-'){ neg=true; rdLeft++; } x=0; while(rdbuf[rdLeft]>='0' and rdbuf[rdLeft]<='9' and rdLeft='0' and rdbuf[rdLeft]<='9' and rdLeft=rdRight)reload(); x=rdbuf[rdLeft++]; return true; } inline bool _read(string& x){ if(!skip())return false; for(;;){ int pos=rdLeft; while(pos' ')pos++; x.append(rdbuf+rdLeft,pos-rdLeft); if(rdLeft==pos)break; rdLeft=pos; if(rdLeft==rdRight)reload(); else break; } return true; } templateinline bool _read(vector& v){ for(auto& x:v){ if(!_read(x))return false; } return true; } char wtbuf[L],tmp[50]; int wtRight=0; inline void flush(){ fwrite(wtbuf,1,wtRight,stdout); wtRight=0; } inline void _write(const char& x){ if(wtRight>L-32)flush(); wtbuf[wtRight++]=x; } inline void _write(const string& x){ for(auto& c:x)_write(c); } template::value,int> =0>inline void _write(T x){ if(wtRight>L-32)flush(); if(x==0){ _write('0'); return; } else if(x<0){ _write('-'); if (__builtin_expect(x == std::numeric_limits::min(), 0)) { switch (sizeof(x)) { case 2: _write("32768"); return; case 4: _write("2147483648"); return; case 8: _write("9223372036854775808"); return; } } x=-x; } int pos=0; while(x!=0){ tmp[pos++]=char((x%10)|48); x/=10; } rep(i,0,pos)wtbuf[wtRight+i]=tmp[pos-1-i]; wtRight+=pos; } templateinline void _write(const vector& v){ rep(i,0,v.size()){ if(i)_write(' '); _write(v[i]); } } public: FastIO(){} ~FastIO(){flush();} inline void read(){} template inline void read(Head& head,Tail&... tail){ assert(_read(head)); read(tail...); } templateinline void write(){if(ln)_write('\n');} template inline void write(const Head& head,const Tail&... tail){ if(space)_write(' '); _write(head); write(tail...); } }; /** * @brief Fast IO */ #line 3 "sol.cpp" struct LinkCutTree{ struct Node{ Node *L=nullptr,*R=nullptr,*P=nullptr; int size=1,id; bool rev=0; ll val=0,sum=0; Node(int i,ll v):id(i),val(v),sum(v){} void toggle(){ swap(L,R); rev^=1; } void eval(){ if(rev){ if(L)L->toggle(); if(R)R->toggle(); rev=0; } } void recalc(){ size=1; sum=val; if(L){ size+=L->size; sum+=L->sum; } if(R){ size+=R->size; sum+=R->sum; } } bool isroot(){return !P or (P->L!=this and P->R!=this);} void rotate(){ Node *p,*pp,*c; p=P,pp=P->P; if(p->L==this){ c=R; R=p; p->L=c; } else{ c=L; L=p; p->R=c; } if(pp){ if(pp->L==p)pp->L=this; if(pp->R==p)pp->R=this; } P=pp; p->P=this; if(c)c->P=p; p->recalc(); recalc(); } void splay(){ eval(); while(!isroot()){ Node *q=P; if(q->isroot()){ q->eval(); eval(); rotate(); } else{ Node *r=q->P; r->eval(); q->eval(); eval(); if(r->L==q){ if(q->L==this){ q->rotate(); rotate(); } else{ rotate(); rotate(); } } else{ if(q->R==this){ q->rotate(); rotate(); } else{ rotate(); rotate(); } } } } } }; using Np=Node*; LinkCutTree(){} Np make(int id,ll v){return new Node(id,v);} Np expose(Np v){ Np pre=nullptr; for(Np cur=v;cur;cur=cur->P){ cur->splay(); cur->R=pre; cur->recalc(); pre=cur; } v->splay(); return pre; } void link(Np v,Np p){ expose(v); expose(p); v->P=p; p->R=v; p->recalc(); } void cut(Np v){ expose(v); v->L->P=nullptr; v->L=nullptr; v->recalc(); } void evert(Np v){ expose(v); v->toggle(); v->eval(); } Np lca(Np u,Np v){ expose(u); return expose(v); } Np kth(Np v,int k){ expose(v); while(v){ v->eval(); if(v->L and v->L->size>k)v=v->L; else{ if(v->L)k-=v->L->size; if(k==0)return v; k--; v=v->R; } } return nullptr; } }; using Np=LinkCutTree::Np; FastIO io; int main(){ int n; io.read(n); LinkCutTree tree; vector vs(n),es; rep(i,0,n)vs[i]=tree.make(i,0); int ecnt=0; rep(i,0,n-1){ int u,v,w; io.read(u,v,w); es.push_back(tree.make(ecnt++,w)); tree.evert(vs[u]); tree.link(vs[u],es.back()); tree.evert(vs[v]); tree.link(vs[v],es.back()); } int q; io.read(q); while(q--){ int t; io.read(t); if(t==1){ int u,v,w,x; io.read(u,v,w,x); tree.evert(vs[u]); tree.cut(vs[v]); es.push_back(tree.make(ecnt++,x)); tree.evert(vs[v]); tree.link(vs[v],es.back()); tree.evert(vs[w]); tree.link(vs[w],es.back()); } else{ int k; io.read(k); vector x(k); io.read(x); sort(ALL(x),[&](int u,int v){ tree.evert(vs[0]); int lca=tree.lca(vs[u],vs[v])->id; if(u==lca)return true; if(v==lca)return false; tree.evert(vs[lca]); int pu=tree.kth(vs[u],1)->id; int pv=tree.kth(vs[v],1)->id; return pusum; } io.write(ret/2); } } return 0; }