#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;
int cnt=0;
/*
vector<int>keep;
int add_or(vector<int>v){
if(v.empty())cout<<"BBBBBBBroooo";
cnt++;
int x=0;
for(auto i:v)x|=keep[i];
keep.pb(x);
return keep.size()-1;
}
int add_and(vector<int>v){
if(v.empty())cout<<"BBBBBBBroooo";
cnt++;
int x=1;
for(auto i:v)x&=keep[i];
keep.pb(x);
return keep.size()-1;
return 0;
}
int add_xor(vector<int>v){
if(v.empty())cout<<"BBBBBBBroooo";
cnt++;
int x=0;
for(auto i:v)x^=keep[i];
keep.pb(x);
return keep.size()-1;
return 0;
}*/
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))v.pb(get(a,b));
if(mode)a--,b--;
else a++,b--;
}
};
if(k==1){
vector<int>idrow(h),idcol(w);
vector<int>row2(h),col2(w);
for(int i=0;i<h;i++){
vector<int>v;
for(int j=0;j<w;j++)v.pb(get(i,j));
if(v.size())idrow[i]=add_or(v);
}
for(int j=0;j<w;j++){
vector<int>v;
for(int i=0;i<h;i++)v.pb(get(i,j));
if(v.size())idcol[j]=add_or(v);
}
for(int i=1;i<w;i++)col2[i]=add_or({idcol[i],idcol[i-1]});
for(int i=1;i<h;i++)row2[i]=add_or({idrow[i],idrow[i-1]});
for(int k=0;k<2;k++){
vector<int>v,v2;
for(int i=1;i<col2.size();i++)v.pb(col2[i]);
for(auto i:idrow)v2.pb(i);
if(v.size()&&v2.size()){
int x=add_xor(v2);
x=add_xor((vector<int>){x,idcol[0]});
x=add_xor((vector<int>){x,idcol[col2.size()-1]});
int y=add_xor(v);
vector<int>bruh={x,y};
ans.pb(add_and(bruh));
}
swap(col2,row2);
swap(idrow,idcol);
}
if(ans.size())add_or(ans);
return;
}
for(int i=0;i<h;i++)for(int j=0;j<w;j++){
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,j+k,i,j,v,1);
getdiag(i,j+k,i,j,v,0);
getdiag(i+k,j,i,j,v,1);
getdiag(i-k,j,i,j,v,0);
if(!v.empty()){
int x=add_or(v);
ans.pb(add_and({get(i,j),x}));
}
}
sort(all(ans));
ans.erase(unique(all(ans)),ans.end());
add_or(ans);
return;
}/*
int32_t main(){
int a,b,k;cin>>a>>b>>k;
int x,y,x2,y2;cin>>x>>y>>x2>>y2;
for(int i=0;i<a;i++)for(int j=0;j<b;j++){
if(i==x&&j==y)keep.pb(1);
else if(i==x2&&j==y2)keep.pb(1);
else keep.pb(0);
}
construct_network(a,b,k);
cout<<keep.back()<<'\n';
cout<<cnt<<'\n';
}*/
Compilation message
vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:97:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
97 | for(int i=1;i<col2.size();i++)v.pb(col2[i]);
| ~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
on inputs (0, 0), (0, 1), expected 1, but computed 0 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
on inputs (0, 0), (0, 1), expected 1, but computed 0 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
on inputs (0, 0), (0, 1), expected 1, but computed 0 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
on inputs (0, 0), (0, 1), expected 1, but computed 0 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
on inputs (0, 0), (0, 1), expected 1, but computed 0 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
356 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
348 KB |
on inputs (0, 0), (0, 2), expected 0, but computed 1 |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
7 ms |
1112 KB |
on inputs (0, 126), (66, 191), expected 0, but computed 1 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
on inputs (0, 0), (0, 1), expected 1, but computed 0 |
| 2 |
Halted |
0 ms |
0 KB |
- |
