#include "vision.h"
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include <cassert>
#include<cmath>
#include<set>
#include<algorithm>
#include <iomanip>
#include<numeric> //gcd(a,b)
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define vi vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-loops")
using namespace std;
void construct_network(int h, int w, int k){
vector<int>ans;
auto valid=[&](int a,int b){
if(a<0||b<0||a>=h||b>=w)return false;
return true;
};
auto get=[&](int a,int b){return a*w+b;};
auto dist=[&](int a,int b,int x,int y){return abs(a-x)+abs(b-y);};
vector<vector<bool>>done(h+1,vector<bool>(w+1,0));
auto getdiag=[&](int a,int b,int x,int y,vector<int>&v,int mode){
while(dist(a,b,x,y)==k){
if(valid(a,b)){
done[a][b]=1;
v.pb(get(a,b));
}
if(mode)a--,b--;
else a++,b--;
}
};
for(int i=0;i<h;i++)for(int j=0;j<w;j++){
if(done[i][j])continue;
vector<int>v;
if(h>30&&w>30){
getdiag(i,j+k,i,j,v,1);
getdiag(i,j+k,i,j,v,0);
if(!v.size()){
int x=add_or(v);
x=add_and({get(i,j),x});
}
return;
}
getdiag(i+k,j,i,j,v,1);
getdiag(i-k,j,i,j,v,0);
getdiag(i,j+k,i,j,v,1);
getdiag(i,j+k,i,j,v,0);
if(!v.empty()){
int x=add_or(v);
ans.pb(add_and({get(i,j),x}));
}
}
add_or(ans);
return;
}/*
int32_t main(){
int a,b,k;cin>>a>>b>>k;
construct_network(a,b,k);
}*/
