#include "rect.h"
#include <bits/stdc++.h>
using namespace std;
long long count_rectangles(vector<vector<int>> a){
int n = a.size();
int m = a[0].size();
long long ans = 0;
vector visited = a;
for(int i=0;i<n;i++) {
for(int j=0;j<m;j++) {
if(visited[i][j])continue;
int minx = n;
int maxx = 0;
int miny = m;
int maxy = 0;
int area = 0;
function<void(int,int)> dfs = [&](int x,int y) {
if(visited[x][y])return;
visited[x][y]=true;
area++;
minx=min(minx,x);
maxx=max(maxx,x);
miny=min(miny,y);
maxy=max(maxy,y);
if(x!=0)dfs(x-1,y);
if(y!=0)dfs(x,y-1);
if(x!=n-1)dfs(x+1,y);
if(y!=m-1)dfs(x,y+1);
};
dfs(i,j);
if(minx==0)continue;
if(miny==0)continue;
if(maxx==n-1)continue;
if(maxy==m-1)continue;
if((maxx-minx+1)*(maxy-miny+1)==area)ans++;
}
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
86 ms |
39772 KB |
Output is correct |
3 |
Correct |
203 ms |
85840 KB |
Output is correct |
4 |
Correct |
193 ms |
86096 KB |
Output is correct |
5 |
Correct |
202 ms |
86140 KB |
Output is correct |
6 |
Correct |
198 ms |
183636 KB |
Output is correct |
7 |
Correct |
415 ms |
440148 KB |
Output is correct |
8 |
Correct |
479 ms |
523844 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |