#include using namespace std; using ll = long long; #include using namespace atcoder; using mint=modint998244353; void solve(){ ll N,K; cin>>N>>K; vector H(N),X(N),Y(N); for(int i=0;i>H[i]; for(int i=0;i>X[i]>>Y[i]; int an=0; for(int i=0;i=H[j])continue; ll dx=X[i]-X[j]; ll dy=Y[i]-Y[j]; if(K*K>=dx*dx+dy*dy)OK=1; } if(!OK)an++; } cout<>T; // while(T--) solve(); }