Submission #240865

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
240865	2020-06-21 10:21:13	zoomswk	Rectangles (IOI19_rect)	C++17	0 / 100	5 ms	916 KiB

rect

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#include "rect.h"
using namespace std;
vector<vector<int>> v;
int n, m;
bool vs[2505][2505];
int cnt[2505][2505];
int minX[2505][2505];
int minY[2505][2505];
int maxX[2505][2505];
int maxY[2505][2505];
void dfs(int x, int y, int px, int py){
  if(x < 0 || y < 0 || x >= n || y >= m) return;
  if(v[x][y] == 1) return;
  if(vs[x][y]) return;
  vs[x][y] = true;
  cnt[px][py]++;
  minX[px][py] = min(minX[px][py], x);
  maxX[px][py] = max(maxX[px][py], x);
  minY[px][py] = min(minY[px][py], y);
  maxY[px][py] = max(maxY[px][py], y);
  dfs(x-1, y, px, py);
  dfs(x, y-1, px, py);
  dfs(x+1, y, px, py);
  dfs(x, y+1, px, py);
  return;
}
 
 
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