#include using namespace std; void solve(){ int N,p,x,cnt; cin>>N; vector> G(N); vector E(N,0); for(int i=0;i>p; p--; G[i+1].push_back(p); E[p]++; E[i+1]++; } bool W=0; for(int i=1;i>T; while(T--)solve(); }