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 <bits/stdc++.h>
#include "vision.h"
using namespace std;
typedef long long ll;
void construct_network(int h,int w,int k)
{
auto cell_id=[&](int r,int c)->int{return (r*w+c);};
auto row_cells=[&](int r)->vector<int>
{
vector<int> v;
for(int j=0;j<w;j++) v.push_back(cell_id(r,j));
return v;
};
auto col_cells=[&](int c)->vector<int>
{
vector<int> v;
for(int i=0;i<h;i++) v.push_back(cell_id(i,c));
return v;
};
auto twov=[&](vector<int> a,vector<int> b)->vector<int>
{
for(int x:b) a.push_back(x);
return a;
};
int rows_idx=add_xor(row_cells(0));
for(int i=1;i<h;i++) add_xor(twov({rows_idx+i-1},row_cells(i)));
int cols_idx=add_xor(col_cells(0));
for(int j=1;j<w;j++) add_xor(twov({cols_idx+j-1},col_cells(j)));
int zero=rows_idx+h-1;
const int L=9;
int pos=-1;
for(int i=0;i<L;i++) pos=add_xor({zero})-i;
for(int o=0;o<h+w;o++)
{
int x=rows_idx+o;
add_and({x});
for(int j=1;j<L;j++) add_and({pos+L+j-1,pos+j-1});
for(int j=0;j<L;j++) add_xor({pos+j,pos+L+j});
pos+=(2*L);
}
int opt=pos+L;
for(int i=0;i<L;i++)
{
if(k&(1<<i)) add_not(zero);
else add_xor({zero});
}
for(int i=0;i<L;i++) add_xor({pos+i,opt+i});
int tmp=opt+L;
for(int i=0;i<L;i++) add_not(tmp+i);
vector<int> v;
for(int i=0;i<L;i++) v.push_back(tmp+L+i);
add_and(v);
}
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