Submission #147098

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
147098	2019-08-27T13:47:17 Z	Nucleist	Rectangles (IOI19_rect)	C++14	Compilation error	0 ms	0 KB

rect

#include <bits/stdc++.h> 
#include "rect.h"
using namespace std; 
#define flash ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define debug(x) cerr << " - " << #x << ": " << x << endl;
#define debugs(x, y) cerr << " - " << #x << ": " << x << " " << #y << ": " << y << endl;
#define all(x) (x).begin(),(x).end()
#define sz(x) (ll)x.size()
#define ll long long
#define INF 1000000000
#define pb push_back
struct greateri
{
    template<class T>
    bool operator()(T const &a, T const &b) const { return a > b; }
};
vector<vector<ll>>floodfill;
ll topx,topy,botx,boty;
ll last;
ll n,m;
ll dir[4][2]={{0,1},{1,0},{-1,0},{0,-1}};
void dfs(ll x,ll y)
{
	topx=max(topx,x),topy=max(topy,y),botx=min(botx,x),boty=min(boty,y);
	floodfill[x][y]=last;
	for (ll i = 0; i < 4; ++i)
	{
		ll nextx=x+dir[i][0],nexty=y+dir[i][1];
		if(floodfill[nextx][nexty]==0)
			dfs(nextx,nexty);
	}
}
ll count_rectangles(vector<vector<int>>X)
{
  //flash;
  n =  sz(X); // 2 rows  
  m = sz(X[0]);
  floodfill=X;
  for (ll i = 0; i < n; ++i)
  {
  	for (ll j = 0; j < m; ++j)
  	{
  		if(i==0 || j==0 || i==n-1 || j==m-1)floodfill[i][j]=1;
  	}
  }
  last=1;
  ll ans=0;
  for (ll i = 1; i < n-1; ++i)
  {
  	for (ll j = 1; j < m-1; ++j)
  	{
  		if(floodfill[i][j]==0)
  		{
  			last++;
  			topy=boty=j,topx=botx=i;
  			dfs(i,j);
  			ll topi = floodfill[topx][topy];
  			ll yopi = floodfill[topx][boty];
  			ll dopi = floodfill[botx][boty];
  			ll kopo = floodfill[botx][topy];
  			if(topi==yopi && yopi==dopi && dopi==kopo)ans++;
  		}
  	}
  }
  return ans;
}
//code the AC sol !
// BS/queue/map

Compilation message

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:38:13: error: no match for 'operator=' (operand types are 'std::vector<std::vector<long long int> >' and 'std::vector<std::vector<int> >')
   floodfill=X;
             ^
In file included from /usr/include/c++/7/vector:69:0,
                 from /usr/include/c++/7/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:86,
                 from rect.cpp:1:
/usr/include/c++/7/bits/vector.tcc:179:5: note: candidate: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]
     vector<_Tp, _Alloc>::
     ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc:179:5: note:   no known conversion for argument 1 from 'std::vector<std::vector<int> >' to 'const std::vector<std::vector<long long int> >&'
In file included from /usr/include/c++/7/vector:64:0,
                 from /usr/include/c++/7/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:86,
                 from rect.cpp:1:
/usr/include/c++/7/bits/stl_vector.h:461:7: note: candidate: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]
       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
       ^~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:461:7: note:   no known conversion for argument 1 from 'std::vector<std::vector<int> >' to 'std::vector<std::vector<long long int> >&&'
/usr/include/c++/7/bits/stl_vector.h:482:7: note: candidate: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]
       operator=(initializer_list<value_type> __l)
       ^~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:482:7: note:   no known conversion for argument 1 from 'std::vector<std::vector<int> >' to 'std::initializer_list<std::vector<long long int> >'