#include "rect.h"
using namespace std;
//int max_in_row[205][205][205]; // max_in_row[i][j][k] = max{a[i][j..k]}
int col_prev_larger[705][705]; // stores prev row
//int min_col_prev_larger[205][205][205]; // stores prev row
int col_next_larger[705][705]; // stores next row
//int max_col_next_larger[205][205][205]; // stores next row
int mir[705][705]; // mir[i][k] = max{a[i][c..k]}
int mcpl[705][705];
int mcnl[705][705];
long long count_rectangles(std::vector<std::vector<int> > a) {
int n = (int)a.size();
int m = (int)a[0].size();
if(n < 3 || m < 3) return 0;
for(int i=1; i<n-1; i++){
for(int j=1; j<m-1; j++){
/*
max_in_row[i][j][j] = a[i][j];
for(int k=j+1; k<m-1; k++){
max_in_row[i][j][k] = max(max_in_row[i][j][k-1], a[i][k]);
}
*/
col_prev_larger[i][j] = 1e9;
for(int k=i-1; k>=0; k--){
if(a[k][j] > a[i][j]){
col_prev_larger[i][j] = k;
break;
}
}
if(col_prev_larger[i][j] == 1e9) col_prev_larger[i][j] = -1;
col_next_larger[i][j] = -1;
for(int k=i+1; k<n; k++){
if(a[k][j] > a[i][j]){
col_next_larger[i][j] = k;
break;
}
}
if(col_next_larger[i][j] == -1) col_next_larger[i][j] = 1e9;
}
}
/*
for(int r=1; r<n-1; r++){
for(int i=1; i<m-1; i++){
min_col_prev_larger[r][i][i] = col_prev_larger[r][i];
for(int j=i+1; j<m-1; j++){
min_col_prev_larger[r][i][j] = min(min_col_prev_larger[r][i][j-1], col_prev_larger[r][j]);
}
max_col_next_larger[r][i][i] = col_next_larger[r][i];
for(int j=i+1; j<m-1; j++){
max_col_next_larger[r][i][j] = max(max_col_next_larger[r][i][j-1], col_next_larger[r][j]);
}
}
}
*/
long long res = 0;
for(int c=1; c<m-1; c++){
for(int r=1; r<n-1; r++){
mir[r][c] = a[r][c];
for(int cc=c+1; cc<m-1; cc++){
mir[r][cc] = max(mir[r][cc-1], a[r][cc]);
}
}
for(int r=1; r<n-1; r++){
mcpl[r][c] = col_prev_larger[r][c];
for(int cc=c+1; cc<m-1; cc++){
mcpl[r][cc] = min(mcpl[r][cc-1], col_prev_larger[r][cc]);
}
mcnl[r][c] = col_next_larger[r][c];
for(int cc=c+1; cc<m-1; cc++){
mcnl[r][cc] = max(mcnl[r][cc-1], col_next_larger[r][cc]);
}
}
for(int r=1; r<n-1; r++){
for(int cc=c; cc<m-1; cc++){
int max_col_req = -1;
int min_col_req = 1e9;
for(int rr=r; rr<n-1; rr++){
// max_col_req = max(max_col_req, max_col_next_larger[rr][c][cc]);
// min_col_req = min(min_col_req, min_col_prev_larger[rr][c][cc]);
max_col_req = max(max_col_req, mcnl[rr][cc]);
min_col_req = min(min_col_req, mcpl[rr][cc]);
if(min_col_req != r-1) break;
//if(max_in_row[rr][c][cc] >= a[rr][c-1] || max_in_row[rr][c][cc] >= a[rr][cc+1]) break;
if(mir[rr][cc] >= a[rr][c-1] || mir[rr][cc] >= a[rr][cc+1]) break;
if(max_col_req == rr+1) res++;
}
}
}
}
return res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
768 KB |
Output is correct |
3 |
Correct |
5 ms |
768 KB |
Output is correct |
4 |
Correct |
5 ms |
768 KB |
Output is correct |
5 |
Correct |
5 ms |
768 KB |
Output is correct |
6 |
Correct |
5 ms |
768 KB |
Output is correct |
7 |
Correct |
5 ms |
768 KB |
Output is correct |
8 |
Correct |
5 ms |
512 KB |
Output is correct |
9 |
Correct |
5 ms |
768 KB |
Output is correct |
10 |
Correct |
5 ms |
768 KB |
Output is correct |
11 |
Correct |
5 ms |
768 KB |
Output is correct |
12 |
Correct |
5 ms |
768 KB |
Output is correct |
13 |
Correct |
4 ms |
256 KB |
Output is correct |
14 |
Correct |
4 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
4 ms |
256 KB |
Output is correct |
18 |
Correct |
4 ms |
256 KB |
Output is correct |
19 |
Correct |
5 ms |
768 KB |
Output is correct |
20 |
Correct |
5 ms |
768 KB |
Output is correct |
21 |
Correct |
4 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
768 KB |
Output is correct |
3 |
Correct |
5 ms |
768 KB |
Output is correct |
4 |
Correct |
5 ms |
768 KB |
Output is correct |
5 |
Correct |
5 ms |
768 KB |
Output is correct |
6 |
Correct |
5 ms |
768 KB |
Output is correct |
7 |
Correct |
5 ms |
768 KB |
Output is correct |
8 |
Correct |
5 ms |
512 KB |
Output is correct |
9 |
Correct |
5 ms |
768 KB |
Output is correct |
10 |
Correct |
5 ms |
768 KB |
Output is correct |
11 |
Correct |
5 ms |
768 KB |
Output is correct |
12 |
Correct |
5 ms |
768 KB |
Output is correct |
13 |
Correct |
4 ms |
256 KB |
Output is correct |
14 |
Correct |
4 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
8 ms |
1536 KB |
Output is correct |
18 |
Correct |
8 ms |
1280 KB |
Output is correct |
19 |
Correct |
8 ms |
1408 KB |
Output is correct |
20 |
Correct |
7 ms |
1408 KB |
Output is correct |
21 |
Correct |
7 ms |
1408 KB |
Output is correct |
22 |
Correct |
7 ms |
1408 KB |
Output is correct |
23 |
Correct |
7 ms |
1408 KB |
Output is correct |
24 |
Correct |
5 ms |
1408 KB |
Output is correct |
25 |
Correct |
4 ms |
256 KB |
Output is correct |
26 |
Correct |
4 ms |
256 KB |
Output is correct |
27 |
Correct |
5 ms |
768 KB |
Output is correct |
28 |
Correct |
5 ms |
768 KB |
Output is correct |
29 |
Correct |
4 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
768 KB |
Output is correct |
3 |
Correct |
5 ms |
768 KB |
Output is correct |
4 |
Correct |
5 ms |
768 KB |
Output is correct |
5 |
Correct |
5 ms |
768 KB |
Output is correct |
6 |
Correct |
5 ms |
768 KB |
Output is correct |
7 |
Correct |
5 ms |
768 KB |
Output is correct |
8 |
Correct |
5 ms |
512 KB |
Output is correct |
9 |
Correct |
5 ms |
768 KB |
Output is correct |
10 |
Correct |
5 ms |
768 KB |
Output is correct |
11 |
Correct |
5 ms |
768 KB |
Output is correct |
12 |
Correct |
5 ms |
768 KB |
Output is correct |
13 |
Correct |
4 ms |
256 KB |
Output is correct |
14 |
Correct |
4 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
8 ms |
1536 KB |
Output is correct |
18 |
Correct |
8 ms |
1280 KB |
Output is correct |
19 |
Correct |
8 ms |
1408 KB |
Output is correct |
20 |
Correct |
7 ms |
1408 KB |
Output is correct |
21 |
Correct |
7 ms |
1408 KB |
Output is correct |
22 |
Correct |
7 ms |
1408 KB |
Output is correct |
23 |
Correct |
7 ms |
1408 KB |
Output is correct |
24 |
Correct |
5 ms |
1408 KB |
Output is correct |
25 |
Correct |
57 ms |
3328 KB |
Output is correct |
26 |
Correct |
57 ms |
3328 KB |
Output is correct |
27 |
Correct |
58 ms |
3404 KB |
Output is correct |
28 |
Correct |
37 ms |
3456 KB |
Output is correct |
29 |
Correct |
37 ms |
3328 KB |
Output is correct |
30 |
Correct |
38 ms |
3452 KB |
Output is correct |
31 |
Correct |
37 ms |
3456 KB |
Output is correct |
32 |
Correct |
37 ms |
3416 KB |
Output is correct |
33 |
Correct |
4 ms |
256 KB |
Output is correct |
34 |
Correct |
4 ms |
256 KB |
Output is correct |
35 |
Correct |
5 ms |
768 KB |
Output is correct |
36 |
Correct |
5 ms |
768 KB |
Output is correct |
37 |
Correct |
4 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
768 KB |
Output is correct |
3 |
Correct |
5 ms |
768 KB |
Output is correct |
4 |
Correct |
5 ms |
768 KB |
Output is correct |
5 |
Correct |
5 ms |
768 KB |
Output is correct |
6 |
Correct |
5 ms |
768 KB |
Output is correct |
7 |
Correct |
5 ms |
768 KB |
Output is correct |
8 |
Correct |
5 ms |
512 KB |
Output is correct |
9 |
Correct |
5 ms |
768 KB |
Output is correct |
10 |
Correct |
5 ms |
768 KB |
Output is correct |
11 |
Correct |
5 ms |
768 KB |
Output is correct |
12 |
Correct |
5 ms |
768 KB |
Output is correct |
13 |
Correct |
4 ms |
256 KB |
Output is correct |
14 |
Correct |
4 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
8 ms |
1536 KB |
Output is correct |
18 |
Correct |
8 ms |
1280 KB |
Output is correct |
19 |
Correct |
8 ms |
1408 KB |
Output is correct |
20 |
Correct |
7 ms |
1408 KB |
Output is correct |
21 |
Correct |
7 ms |
1408 KB |
Output is correct |
22 |
Correct |
7 ms |
1408 KB |
Output is correct |
23 |
Correct |
7 ms |
1408 KB |
Output is correct |
24 |
Correct |
5 ms |
1408 KB |
Output is correct |
25 |
Correct |
57 ms |
3328 KB |
Output is correct |
26 |
Correct |
57 ms |
3328 KB |
Output is correct |
27 |
Correct |
58 ms |
3404 KB |
Output is correct |
28 |
Correct |
37 ms |
3456 KB |
Output is correct |
29 |
Correct |
37 ms |
3328 KB |
Output is correct |
30 |
Correct |
38 ms |
3452 KB |
Output is correct |
31 |
Correct |
37 ms |
3456 KB |
Output is correct |
32 |
Correct |
37 ms |
3416 KB |
Output is correct |
33 |
Correct |
1405 ms |
13944 KB |
Output is correct |
34 |
Correct |
1494 ms |
17144 KB |
Output is correct |
35 |
Correct |
1457 ms |
17048 KB |
Output is correct |
36 |
Correct |
1446 ms |
17016 KB |
Output is correct |
37 |
Correct |
3843 ms |
17144 KB |
Output is correct |
38 |
Correct |
3892 ms |
17144 KB |
Output is correct |
39 |
Correct |
3779 ms |
17400 KB |
Output is correct |
40 |
Correct |
3112 ms |
16484 KB |
Output is correct |
41 |
Correct |
1518 ms |
14868 KB |
Output is correct |
42 |
Correct |
1465 ms |
14860 KB |
Output is correct |
43 |
Correct |
1371 ms |
15736 KB |
Output is correct |
44 |
Correct |
1431 ms |
17632 KB |
Output is correct |
45 |
Correct |
400 ms |
13944 KB |
Output is correct |
46 |
Correct |
637 ms |
8960 KB |
Output is correct |
47 |
Correct |
1360 ms |
16632 KB |
Output is correct |
48 |
Correct |
1363 ms |
17656 KB |
Output is correct |
49 |
Correct |
4 ms |
256 KB |
Output is correct |
50 |
Correct |
4 ms |
256 KB |
Output is correct |
51 |
Correct |
5 ms |
768 KB |
Output is correct |
52 |
Correct |
5 ms |
768 KB |
Output is correct |
53 |
Correct |
4 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
512 KB |
Output is correct |
2 |
Correct |
23 ms |
384 KB |
Output is correct |
3 |
Correct |
26 ms |
512 KB |
Output is correct |
4 |
Correct |
5 ms |
256 KB |
Output is correct |
5 |
Correct |
27 ms |
512 KB |
Output is correct |
6 |
Correct |
27 ms |
512 KB |
Output is correct |
7 |
Correct |
27 ms |
512 KB |
Output is correct |
8 |
Correct |
26 ms |
512 KB |
Output is correct |
9 |
Correct |
26 ms |
512 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Runtime error |
4057 ms |
53948 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
768 KB |
Output is correct |
3 |
Correct |
5 ms |
768 KB |
Output is correct |
4 |
Correct |
5 ms |
768 KB |
Output is correct |
5 |
Correct |
5 ms |
768 KB |
Output is correct |
6 |
Correct |
5 ms |
768 KB |
Output is correct |
7 |
Correct |
5 ms |
768 KB |
Output is correct |
8 |
Correct |
5 ms |
512 KB |
Output is correct |
9 |
Correct |
5 ms |
768 KB |
Output is correct |
10 |
Correct |
5 ms |
768 KB |
Output is correct |
11 |
Correct |
5 ms |
768 KB |
Output is correct |
12 |
Correct |
5 ms |
768 KB |
Output is correct |
13 |
Correct |
4 ms |
256 KB |
Output is correct |
14 |
Correct |
4 ms |
256 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
8 ms |
1536 KB |
Output is correct |
18 |
Correct |
8 ms |
1280 KB |
Output is correct |
19 |
Correct |
8 ms |
1408 KB |
Output is correct |
20 |
Correct |
7 ms |
1408 KB |
Output is correct |
21 |
Correct |
7 ms |
1408 KB |
Output is correct |
22 |
Correct |
7 ms |
1408 KB |
Output is correct |
23 |
Correct |
7 ms |
1408 KB |
Output is correct |
24 |
Correct |
5 ms |
1408 KB |
Output is correct |
25 |
Correct |
57 ms |
3328 KB |
Output is correct |
26 |
Correct |
57 ms |
3328 KB |
Output is correct |
27 |
Correct |
58 ms |
3404 KB |
Output is correct |
28 |
Correct |
37 ms |
3456 KB |
Output is correct |
29 |
Correct |
37 ms |
3328 KB |
Output is correct |
30 |
Correct |
38 ms |
3452 KB |
Output is correct |
31 |
Correct |
37 ms |
3456 KB |
Output is correct |
32 |
Correct |
37 ms |
3416 KB |
Output is correct |
33 |
Correct |
1405 ms |
13944 KB |
Output is correct |
34 |
Correct |
1494 ms |
17144 KB |
Output is correct |
35 |
Correct |
1457 ms |
17048 KB |
Output is correct |
36 |
Correct |
1446 ms |
17016 KB |
Output is correct |
37 |
Correct |
3843 ms |
17144 KB |
Output is correct |
38 |
Correct |
3892 ms |
17144 KB |
Output is correct |
39 |
Correct |
3779 ms |
17400 KB |
Output is correct |
40 |
Correct |
3112 ms |
16484 KB |
Output is correct |
41 |
Correct |
1518 ms |
14868 KB |
Output is correct |
42 |
Correct |
1465 ms |
14860 KB |
Output is correct |
43 |
Correct |
1371 ms |
15736 KB |
Output is correct |
44 |
Correct |
1431 ms |
17632 KB |
Output is correct |
45 |
Correct |
400 ms |
13944 KB |
Output is correct |
46 |
Correct |
637 ms |
8960 KB |
Output is correct |
47 |
Correct |
1360 ms |
16632 KB |
Output is correct |
48 |
Correct |
1363 ms |
17656 KB |
Output is correct |
49 |
Correct |
30 ms |
512 KB |
Output is correct |
50 |
Correct |
23 ms |
384 KB |
Output is correct |
51 |
Correct |
26 ms |
512 KB |
Output is correct |
52 |
Correct |
5 ms |
256 KB |
Output is correct |
53 |
Correct |
27 ms |
512 KB |
Output is correct |
54 |
Correct |
27 ms |
512 KB |
Output is correct |
55 |
Correct |
27 ms |
512 KB |
Output is correct |
56 |
Correct |
26 ms |
512 KB |
Output is correct |
57 |
Correct |
26 ms |
512 KB |
Output is correct |
58 |
Correct |
5 ms |
384 KB |
Output is correct |
59 |
Correct |
5 ms |
384 KB |
Output is correct |
60 |
Correct |
4 ms |
384 KB |
Output is correct |
61 |
Runtime error |
4057 ms |
53948 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
62 |
Halted |
0 ms |
0 KB |
- |