#include // #include #define int long long #define inf 1000000007 #define pa pair #define ll long long #define pal pair #define ppap pair #define PI 3.14159265358979323846 #define paa pair #define mp make_pair #define pb push_back #define EPS (1e-10) int dx[8]={0,1,0,-1,1,1,-1,-1}; int dy[8]={1,0,-1,0,-1,1,1,-1}; using namespace std; class pa3{ public: int x; int y,z; pa3(int x=0,int y=0,int z=0):x(x),y(y),z(z) {} bool operator < (const pa3 &p) const{ if(x!=p.x) return x (const pa3 &p) const{ if(x!=p.x) return x>p.x; if(y!=p.y) return y>p.y; return z>p.z; //return x != p.x ? x (const pa4 &p) const{ if(x!=p.x) return x>p.x; if(y!=p.y) return y>p.y; if(z!=p.z)return z>p.z; return w>p.w; //return x != p.x ? x (const pa2 &p) const{ return x != p.x ? x struct Segment{ Point p1,p2; }; double dot(Vector a,Vector b){ return a.x*b.x+a.y*b.y; } double cross(Vector a,Vector b){ return a.x*b.y-a.y*b.x; } bool parareru(Point a,Point b,Point c,Point d){ // if(abs(cross(a-b,d-c))b) return gcd(b,v); if(v==b) return b; if(b%v==0) return v; return gcd(v,b%v); } double distans(double x1,double y1,double x2,double y2){ double rr=(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2); return sqrt(rr); } int mod; int extgcd(int a, int b, int &x, int &y) { if (b == 0) { x = 1; y = 0; return a; } int d = extgcd(b, a%b, y, x); y -= a/b * x; return d; } pa operator+(const pa & l,const pa & r) { return {l.first+r.first,l.second+r.second}; } int pr[1000010]; int inv[1000010]; int beki(int wa,int rr,int warukazu){ if(rr==0) return 1%warukazu; if(rr==1) return wa%warukazu; wa%=warukazu; if(rr%2==1) return ((ll)beki(wa,rr-1,warukazu)*(ll)wa)%warukazu; ll zx=beki(wa,rr/2,warukazu); return (zx*zx)%warukazu; } double bekid(double w,int r){ if(r==0) return 1.0; if(r==1) return w; if(r%2) return bekid(w,r-1)*w; double f=bekid(w,r/2); return f*f; } int comb(int nn,int rr){ int r=pr[nn]*inv[rr]; r%=mod; r*=inv[nn-rr]; r%=mod; return r; } void gya(int ert){ pr[0]=1; for(int i=1;i,greater> pq; //sort(ve.begin(),ve.end(),greater()); //----------------kokomade tenpure------------ vector G[200020],G2[200020]; int cont=0; int sz[200020]; int in[200020]; int rin[200020]; int nxt[200020]; int out[200020]; void dfs_sz(int v){ sz[v]=1; for(auto &u :G2[v]){ dfs_sz(u); sz[v]+=sz[u]; if(sz[u]>sz[G2[v][0]])swap(u,G2[v][0]); } } void dfs_hld(int v){ if(v==1) nxt[v]=1; in[v]=cont; cont++; rin[in[v]]=v; for(auto u:G2[v]){ if(u==G2[v][0])nxt[u]=nxt[v]; else nxt[u]=u; dfs_hld(u); } out[v]=cont; } // vのsubtreeに含まれる区間は[in[v],out[v]) // vを含むheavy列の一番上はnxt[v] // heavy列で[in[nxt[v]],...,in[v]]に一様操作すればOK struct seg_addsum_getsum{ // 1 // 2 3 // 4 5 6 7 private: public: // (1<<15)=32768 // 1<<16 = 65536 // 1<<17 = 131072 // 1<<18 = 262144 int cor=(1<<18); vector vec; vector lazy; vector fre; void shoki1(){ vec.resize(2*cor+3, 0); lazy.resize(2*cor+3, 0); fre.resize(2*cor+3, 0); } void shoki2(){ for(int i=cor-1;i>0;i--) vec[i]=(vec[2*i]+vec[2*i+1])%inf; for(int i=cor-1;i>0;i--) fre[i]=(fre[2*i]+fre[2*i+1])%inf; } void chien(int k,int l,int r){ if(lazy[k]==0) return; if(l+1depth[a]) swap(a,b),sw=1; int sa=depth[a]-depth[b]; for(int i=19;i>=0;i--)if(sa&(1<=0;i--){ if(dp[a][i]!=dp[b][i]){ a=dp[a][i]; b=dp[b][i]; } } if(sw==0){ return {aa,dp[a][0],bb,b}; } return {bb,dp[a][0],aa,b}; // return dp[a][0]; } void tasu(int x,int y,int z){ int sita=x; while(1){ int ue=nxt[sita]; if(ue==nxt[y]){ SE.rangeadd(in[y],in[sita]+1,z); return; } SE.rangeadd(in[ue],in[sita]+1,z); sita=dp[ue][0]; } } int solve(int r){ // cout<<"sol"<>n; for(int i=1;i<=n;i++)cin>>s[i]; for(int i=1;i<=n;i++)cin>>c[i]; for(int i=0;i>y>>yy; G[y].pb(yy); G[yy].pb(y); } fdsf(1,1,0); for(int i=1;i<20;i++)for(int j=1;j<=n;j++){ dp[j][i]=dp[dp[j][i-1]][i-1]; } dfs_sz(1); dfs_hld(1); // for(int i=1;i<=n;i++)cout<>q; for(int er=0;er>t; if(t){ int x,y; cin>>x>>y; int l=lca(x,y).y; // cout<>x>>y>>z; pa4 e=lca(x,y); tasu(e.x,e.y,z); if(e.w>=0) tasu(e.z,e.w,z); } } return 0; }