#include "rect.h"
#include <bits/stdc++.h>
using namespace std;
#define MAX 1000000000
typedef vector<int> vi;
vector<vi> b;
int vis[2510][2510];
int Y[4]={-1,0,1,0};
int X[4]={0,-1,0,1};
int c1,r1,c2,r2;
bool sw1=0;
int flod(int y,int x){
//cout<<y<<" "<<x<<endl;
c1=min(c1,x);
r1=min(r1,y);
c2=max(c2,x);
r2=max(r2,y);
vis[y][x]=1;
int ans=1;
for(int i=0;i<4;i++){
if(y+Y[i]<b.size()-1 and y+Y[i]>=1 and x+X[i]<b[0].size()-1 and x+X[i]>=1){
if(b[y+Y[i]][x+X[i]]==0 and !vis[y+Y[i]][x+X[i]])
ans+=flod(y+Y[i],x+X[i]);
}
else{
if(b[y+Y[i]][x+X[i]]==0){
sw1=1;
}
}
}
return ans;
}
long long count_rectangles(std::vector<std::vector<int> > a) {
//cout<<"llamado\n";
long long c=0;
if((a.size()<=200 and b.size()<=200) or (a.size()<=3 and b.size()<=2500)){
//if(c==1){
//cout<<"if\n";
for(int i=1;i<a.size()-1;i++){
for(int j=1;j<a[i].size()-1;j++){
for(int k=i;k<a.size()-1;k++){
for(int l=j;l<a[k].size()-1;l++){
bool sw=0;
for(int y=i;y<=k;y++){
for(int x=j;x<=l;x++){
if(a[y][x]>=a[y][j-1] or a[y][x]>=a[y][l+1] or a[y][x]>=a[k+1][x] or a[y][x]>=a[i-1][x]){
sw=1;
break;
}
}
if(sw==1) break;
}
if(sw==0){
c++;
}
}
}
}
}
}
else{
memset(vis,0,sizeof vis);
b=a;
// cout<<"else\n";
for(int i=1;i<a.size()-1;i++){
for(int j=1;j<a[i].size()-1;j++){
if(a[i][j]==0 and !vis[i][j]){
c1=r1=MAX;
c2=r2=-MAX;
sw1=0;
int ar=flod(i,j);
//cout<<i<<" "<<j<<" "<<sw1<<endl;
if((abs(c1-c2)+1)*(abs(r1-r2)+1)==ar and sw1==0) c++;
}
}
}
}
return c;
}
Compilation message
rect.cpp: In function 'int flod(int, int)':
rect.cpp:21:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
21 | if(y+Y[i]<b.size()-1 and y+Y[i]>=1 and x+X[i]<b[0].size()-1 and x+X[i]>=1){
| ~~~~~~^~~~~~~~~~~
rect.cpp:21:50: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
21 | if(y+Y[i]<b.size()-1 and y+Y[i]>=1 and x+X[i]<b[0].size()-1 and x+X[i]>=1){
| ~~~~~~^~~~~~~~~~~~~~
rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:39:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | for(int i=1;i<a.size()-1;i++){
| ~^~~~~~~~~~~
rect.cpp:40:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
40 | for(int j=1;j<a[i].size()-1;j++){
| ~^~~~~~~~~~~~~~
rect.cpp:41:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
41 | for(int k=i;k<a.size()-1;k++){
| ~^~~~~~~~~~~
rect.cpp:42:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
42 | for(int l=j;l<a[k].size()-1;l++){
| ~^~~~~~~~~~~~~~
rect.cpp:65:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
65 | for(int i=1;i<a.size()-1;i++){
| ~^~~~~~~~~~~
rect.cpp:66:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
66 | for(int j=1;j<a[i].size()-1;j++){
| ~^~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
1 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
0 ms |
256 KB |
Output is correct |
18 |
Correct |
0 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
256 KB |
Output is correct |
20 |
Correct |
1 ms |
256 KB |
Output is correct |
21 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
1 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
57 ms |
412 KB |
Output is correct |
18 |
Correct |
51 ms |
504 KB |
Output is correct |
19 |
Correct |
48 ms |
384 KB |
Output is correct |
20 |
Correct |
42 ms |
384 KB |
Output is correct |
21 |
Correct |
46 ms |
384 KB |
Output is correct |
22 |
Correct |
47 ms |
384 KB |
Output is correct |
23 |
Correct |
47 ms |
384 KB |
Output is correct |
24 |
Correct |
12 ms |
384 KB |
Output is correct |
25 |
Correct |
0 ms |
256 KB |
Output is correct |
26 |
Correct |
0 ms |
256 KB |
Output is correct |
27 |
Correct |
1 ms |
256 KB |
Output is correct |
28 |
Correct |
1 ms |
256 KB |
Output is correct |
29 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
1 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
57 ms |
412 KB |
Output is correct |
18 |
Correct |
51 ms |
504 KB |
Output is correct |
19 |
Correct |
48 ms |
384 KB |
Output is correct |
20 |
Correct |
42 ms |
384 KB |
Output is correct |
21 |
Correct |
46 ms |
384 KB |
Output is correct |
22 |
Correct |
47 ms |
384 KB |
Output is correct |
23 |
Correct |
47 ms |
384 KB |
Output is correct |
24 |
Correct |
12 ms |
384 KB |
Output is correct |
25 |
Correct |
1885 ms |
760 KB |
Output is correct |
26 |
Correct |
1846 ms |
692 KB |
Output is correct |
27 |
Correct |
1924 ms |
684 KB |
Output is correct |
28 |
Correct |
1693 ms |
652 KB |
Output is correct |
29 |
Correct |
1897 ms |
640 KB |
Output is correct |
30 |
Correct |
1902 ms |
640 KB |
Output is correct |
31 |
Correct |
1837 ms |
692 KB |
Output is correct |
32 |
Correct |
1781 ms |
764 KB |
Output is correct |
33 |
Correct |
0 ms |
256 KB |
Output is correct |
34 |
Correct |
0 ms |
256 KB |
Output is correct |
35 |
Correct |
1 ms |
256 KB |
Output is correct |
36 |
Correct |
1 ms |
256 KB |
Output is correct |
37 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
1 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
57 ms |
412 KB |
Output is correct |
18 |
Correct |
51 ms |
504 KB |
Output is correct |
19 |
Correct |
48 ms |
384 KB |
Output is correct |
20 |
Correct |
42 ms |
384 KB |
Output is correct |
21 |
Correct |
46 ms |
384 KB |
Output is correct |
22 |
Correct |
47 ms |
384 KB |
Output is correct |
23 |
Correct |
47 ms |
384 KB |
Output is correct |
24 |
Correct |
12 ms |
384 KB |
Output is correct |
25 |
Correct |
1885 ms |
760 KB |
Output is correct |
26 |
Correct |
1846 ms |
692 KB |
Output is correct |
27 |
Correct |
1924 ms |
684 KB |
Output is correct |
28 |
Correct |
1693 ms |
652 KB |
Output is correct |
29 |
Correct |
1897 ms |
640 KB |
Output is correct |
30 |
Correct |
1902 ms |
640 KB |
Output is correct |
31 |
Correct |
1837 ms |
692 KB |
Output is correct |
32 |
Correct |
1781 ms |
764 KB |
Output is correct |
33 |
Incorrect |
31 ms |
30840 KB |
Output isn't correct |
34 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
384 KB |
Output is correct |
2 |
Correct |
11 ms |
384 KB |
Output is correct |
3 |
Correct |
10 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
18 ms |
512 KB |
Output is correct |
6 |
Correct |
17 ms |
384 KB |
Output is correct |
7 |
Correct |
18 ms |
384 KB |
Output is correct |
8 |
Correct |
19 ms |
384 KB |
Output is correct |
9 |
Correct |
16 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
143 ms |
58744 KB |
Output is correct |
3 |
Correct |
284 ms |
99496 KB |
Output is correct |
4 |
Correct |
290 ms |
99832 KB |
Output is correct |
5 |
Correct |
288 ms |
99832 KB |
Output is correct |
6 |
Correct |
286 ms |
146808 KB |
Output is correct |
7 |
Correct |
662 ms |
310652 KB |
Output is correct |
8 |
Correct |
762 ms |
362788 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
1 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
256 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
1 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
57 ms |
412 KB |
Output is correct |
18 |
Correct |
51 ms |
504 KB |
Output is correct |
19 |
Correct |
48 ms |
384 KB |
Output is correct |
20 |
Correct |
42 ms |
384 KB |
Output is correct |
21 |
Correct |
46 ms |
384 KB |
Output is correct |
22 |
Correct |
47 ms |
384 KB |
Output is correct |
23 |
Correct |
47 ms |
384 KB |
Output is correct |
24 |
Correct |
12 ms |
384 KB |
Output is correct |
25 |
Correct |
1885 ms |
760 KB |
Output is correct |
26 |
Correct |
1846 ms |
692 KB |
Output is correct |
27 |
Correct |
1924 ms |
684 KB |
Output is correct |
28 |
Correct |
1693 ms |
652 KB |
Output is correct |
29 |
Correct |
1897 ms |
640 KB |
Output is correct |
30 |
Correct |
1902 ms |
640 KB |
Output is correct |
31 |
Correct |
1837 ms |
692 KB |
Output is correct |
32 |
Correct |
1781 ms |
764 KB |
Output is correct |
33 |
Incorrect |
31 ms |
30840 KB |
Output isn't correct |
34 |
Halted |
0 ms |
0 KB |
- |