#include "vision.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<double> vd;
typedef vector<bool> vb;
typedef vector<char> vc;
typedef vector<string> vs;
typedef vector<pi> vp;
typedef vector<pl> vpl;
/*
int last;
vi A;
int add_not(int pos){
int n = A.size();
if (pos < 0 || pos >= n){
throw SIGSEGV;
}
if (A[pos])
last = 0;
else
last = 1;
A.push_back(last);
return last;
}
int add_and(vi t){
int n = A.size();
if (t.empty()) throw SIGSEGV;
last = 1;
for (int pos : t){
if (pos < 0 || pos >= n){
throw SIGSEGV;
}
last &= A[pos];
}
A.push_back(last);
return last;
}
int add_or(vi t){
int n = A.size();
if (t.empty()) {throw SIGSEGV;}
last = 0;
for (int pos : t){
if (pos < 0 || pos >= n)
throw SIGSEGV;
last |= A[pos];
}
A.push_back(last);
return last;
}
int add_xor(vi t){
int n = A.size();
if (t.empty()){ throw SIGSEGV;}
last = 0;
for (int pos : t){
if (pos < 0 || pos >= n){
throw SIGSEGV;
}
last ^= A[pos];
}
A.push_back(last);
return last;
}
*/
void moze(int h, int w){
vi t;
for (int i = 0; i < h*w; ++i){
t.push_back(i);
}
add_or(t);
}
void ne_moze(int h, int w){
vi t;
for (int i = 0; i < h*w; ++i){
t.push_back(i);
}
add_xor(t);
}
vi ldor,ldx,rdor,rdx;
bool check(int k, int h, int w){
bool ok = 0;
for (int i = 0; i < h+w-1; ++i){
vi tor, tx;
if (i + k > h+w-1) break;
for (int j = i; j < i+k; ++j){
tor.push_back(ldor[j]);
tx.push_back(ldx[j]);
}
if (add_or(tor) == 1 && add_xor(tx) == 0){
ok = 1;
break;
}
}
if (!ok) return 0;
ok = 0;
for (int i = 0; i < h+w-1; ++i){
vi tor, tx;
if (i + k > h+w-1) break;
for (int j = i; j < i+k; ++j){
tor.push_back(rdor[j]);
tx.push_back(rdx[j]);
}
if (add_or(tor) == 1 && add_xor(tx) == 0){
ok = 1;
break;
}
}
return ok;
}
void construct_network(int h, int w, int k){
vector<vi> l(h+w-1), r(h+w-1);
int n = A.size();
for (int i = 0; i < h; ++i){
for (int j = 0; j < w; ++j){
l[i+j].push_back(i*w+j);
}
}
for (int i = 0; i < h; ++i){
for (int j = 0; j < w; ++j){
r[i-j+w-1].push_back(i*w+j);
}
}
ldor.clear(); ldx.clear();
int cur = 0;
for (int i = 0; i < h+w-1; ++i){
add_or(l[i]);
ldor.push_back(h*w+cur);
++cur;
add_xor(l[i]);
ldx.push_back(h*w+cur);
++cur;
}
rdor.clear(); rdx.clear();
for (int i = 0; i < h+w-1; ++i){
add_or(r[i]);
rdor.push_back(h*w+cur);
++cur;
add_xor(r[i]);
rdx.push_back(h*w+cur);
++cur;
}
if (check(k+1,h,w) && !check(k,h,w)){
moze(h,w);
} else {
ne_moze(h,w);
}
}
/*
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
cerr.tie(nullptr);
int h, w, k;
cin >> h >> w >> k;
A = vi(h*w,0);
int q; cin >> q;
int x1=0, y1=0, x2=0, y2=0;
for (int e = 0; e < q; ++e){
A[x1*w+y1] = A[x2*w+y2] = 0;
cin >> x1 >> y1 >> x2 >> y2;
A[x1*w+y1] = A[x2*w+y2] = 1;
last = -1;
construct_network(h,w,k);
cout << last << '\n';
}
}*/
Compilation message
vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:145:13: error: 'A' was not declared in this scope
145 | int n = A.size();
| ^
vision.cpp:145:9: warning: unused variable 'n' [-Wunused-variable]
145 | int n = A.size();
| ^
