This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "vision.h"
#include <bits/stdc++.h>
using namespace std;
int n,m,ze;
int cn(int x,int y)
{
return x*m+y;
}
vector<int> half(vector<int> cur)
{
vector<int> ret;
int tmp=ze;
for (int i:cur)
{
ret.push_back(add_and({tmp,i}));
tmp=add_xor({tmp,i});
}
return ret;
}
void construct_network(int h,int w,int k)
{
n=h;
m=w;
vector<int> r,c,cur,bits;
for (int i=0;i<n;i++)
{
for (int j=0;j<m;j++)
r.push_back(cn(i,j));
cur.push_back(add_xor(r));
r={cur.back()};
}
for (int j=0;j<m;j++)
{
for (int i=0;i<n;i++)
c.push_back(cn(i,j));
cur.push_back(add_xor(c));
c={cur.back()};
}
ze=cur.back();
for (int i=0;i<9;i++)
{
bits.push_back(add_xor(cur));
if (k&(1<<i))
bits[i]=add_not(bits[i]);
cur=half(cur);
}
add_not(add_or(bits));
}
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