#include #include #include using namespace std; using ll = long long; int main(){ int H,W,N; cin>>H>>W>>N; vector P(N,array()); for(int i=0;i>P[i][0]>>P[i][1]; } int dx[]={0,1,0,-1}; int dy[]={-1,0,1,0}; for(int X=0;X