#include "vision.h"
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define fs first
#define sc second
int H,W,K;
int encode(int r,int c){
return r*W+c;
}
pii decode(int k){
return pii(k/W,k%W);
}
void construct_network(int HH, int WW, int KK) {
set<pii> st;
H = HH,W = WW,K = KK;
int ans = add_xor({0,0});
if(max(H,W)>30){
for(int i = 0;i<H;i++){
for(int j = 0;j<W;j++){
if(i+j == K){
ans = add_or({ans,encode(i,j)});
}
}
}
return;
}
for(int r1 = 0;r1<H;r1++){
for(int c1 = 0;c1<W;c1++){
for(int r2 = 0;r2<H;r2++){
for(int c2 = 0;c2<W;c2++){
if(abs(r1-r2)+abs(c1-c2) == K){
pii p = pii(encode(r1,c1),encode(r2,c2));
if(p.fs>p.sc)swap(p.fs,p.sc);
if(st.find(p) != st.end())continue;
st.insert(p);
int tmp = add_and({encode(r1,c1),encode(r2,c2)});
ans = add_or({ans,tmp});
}
}
}
}
}
return;
}
