#include using namespace std; #define F first #define S second #define R cin>> #define ll long long #define ln cout<<'\n' #define in(a) insert(a) #define pb(a) push_back(a) #define pd(a) printf("%.10f\n",a) #define mem(a) memset(a,0,sizeof(a)) #define all(c) (c).begin(),(c).end() #define iter(c) __typeof((c).begin()) #define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--) #define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++) #define rep(i,n) REP(i,0,n) #define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++) ll check(ll n,ll m,ll x,ll y){return x>=0&&x=0&&yvoid pr(const A &a,const B&...b){cout<void PR(A a,ll n){rep(i,n)cout<<(i?" ":"")< P; ll dep[200010],dep2[200010]; ll par[200010][20]; vector

v[200010]; void dfs(ll x,ll y,ll d){ dep[x]=d; for(int i=0; i=0;i--){ if(par[a][i]!=par[b][i]) a=par[a][i],b=par[b][i]; } return par[a][0]; } int n; void init() { memset(par,0,sizeof(par)); dfs(0,-1,0); for(int i=0; i<19; i++)for(int j=0; j> n; rep(i,n-1) { ll x,y,z; cin >> x >> y >> z; x--,y--; v[x].pb(P(y,z)); v[y].pb(P(x,z)); } init(); ll T; cin >> T; while(T--) { ll x,y; cin >> x >> y; x--,y--; pr(D(x,y)); } } int main(){ios::sync_with_stdio(0);cin.tie(0);Main();return 0;}