#include "vision.h"
#include <bits/stdc++.h>
using namespace std;
int solve(int h, int w, int k){ // distance >= k
vector <vector <int>> diaL(h + w - 1), diaR(h + w - 1);
for (int i = 0; i < h; ++ i){
for (int j = 0; j < w; ++ j){
diaL[i + j].push_back(i * w + j);
diaR[i + w - 1 - j].push_back(i * w + j);
}
}
vector <int> ans, prefL, prefR;
for (int i = k; i < h + w - 1; ++ i){
prefL.push_back(add_or(diaL[i - k]));
prefR.push_back(add_or(diaR[i - k]));
ans.push_back(add_and({add_or(prefL), add_or(diaL[i])}));
ans.push_back(add_and({add_or(prefR), add_or(diaR[i])}));
}
return add_or(ans);
}
void construct_network(int h, int w, int k){
if (k == h + w - 2) solve(h, w, k);
else add_xor({solve(h, w, k), solve(h, w, k + 1)});
}
