#include "vision.h"
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
//#define int long long
#define pii pair<int,int>
#define vi vector<int>
#define ff first
#define ss second
#define sp << " " <<
#define all(x) x.begin(),x.end()
#define big(x) ((int)(x.size()))
using namespace std;
const int MOD = 1e9+7, LIM = 1e6+1, inf = 2e9;
void construct_network(int H, int W, int K) {
auto pixel = [&](int x,int y) {
return x*W+y;
};
int ctr= H*W-1;
for (int i = 0;i<H;i++) {
for (int j = 0;j<W;j++) {
if (i || j) continue;
for (int dx = 0;dx+j < W;dx++) {
int dy = K-abs(dx);
if (dy < 0) continue;
if (dy <= i && i-dy < H) {
//(i-dy,j+dx)
add_and({pixel(i,j),pixel(i-dy,j+dx)});
++ctr;
}
if (i+dy < H && i+dy >= 0) {
//(i+dy,j+dx)
add_and({pixel(i,j),pixel(i+dy,j+dx)});
++ctr;
}
}
}
}
for (int j = H*W;j<=ctr;j++) {
add_or({j,ctr+(j-H*W)});
}
}
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