#include "vision.h"
#include <bits/stdc++.h>
using namespace std;
#define MAXH 205
#define MAXW 205
int h,w,k;
set<pair<int,int>> used;
vector<int> diag;
vector<int> answers;
int id(int x,int y){//x in 0..h-1, y in 0..w-1
return x*w+y;
}
bool inbounds(int x,int y){
return 0<=x&&x<h&&0<=y&&y<w;
}
void ins(int x,int y,int dx,int dy){
int x_=x+dx;
int y_=y+dy;
if(inbounds(x_,y_)&&!used.count({id(x,y),id(x_,y_)})){
diag.push_back(id(x_,y_));
used.insert({id(x,y),id(x_,y_)});
used.insert({id(x_,y_),id(x,y)});
}
}
void construct_network(int H, int W, int K) {
h=H;
w=W;
k=K;
used.clear();
answers.clear();
int x,y;
x=y=0;
diag.clear();
for(int i=1;i<k;i++){
ins(x,y,i,k-i);
ins(x,y,-i,k-i);
ins(x,y,i,-k+i);
ins(x,y,-i,-k+i);
}
ins(x,y,0,k);
ins(x,y,0,-k);
ins(x,y,k,0);
ins(x,y,-k,0);
int ans_or=add_or(diag);
add_and({id(x,y),ans_or});
}
