#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> stRow, stCol, lastRow, lastCol, cntRow, cntCol;
long long solve(vector<pair<int, int>> &rows, vector<pair<int, int>> &cols)
{
long long res = 0;
sort(rows.begin(), rows.end());
sort(cols.begin(), cols.end());
for (auto u : rows)
for (auto v : cols)
res += v.second >= u.second && u.first >= v.first;
return res;
}
long long count_rectangles(vector<vector<int>> a)
{
int m = a.size(), n = a[0].size();
stRow = vector<vector<int>>(m, vector<int>(1, 0));
stCol = vector<vector<int>>(n, vector<int>(1, 0));
lastRow = vector<vector<int>>(m, vector<int>(m, -1));
lastCol = vector<vector<int>>(n, vector<int>(n, -1));
cntRow = vector<vector<int>>(m, vector<int>(m, 0));
cntCol = vector<vector<int>>(n, vector<int>(n, 0));
long long ans = 0;
for (int i = 0; i < m - 1; i++)
for (int j = 0; j < n - 1; j++)
{
// row
int hasEqual = 0;
vector<pair<int, int>> cols;
while (!stRow[i].empty())
{
int k = stRow[i].back();
if (!hasEqual)
{
if (lastCol[k][j + 1] + 1 == i) cntCol[k][j + 1]++;
else cntCol[k][j + 1] = 1;
lastCol[k][j + 1] = i;
if (j > k)
cols.push_back({j - k, cntCol[k][j + 1]});
}
if (a[i][j + 1] < a[i][k])
break;
if (a[i][j + 1] == a[i][k])
hasEqual = 1;
stRow[i].pop_back();
}
stRow[i].push_back(j + 1);
// col
hasEqual = 0;
vector<pair<int, int>> rows;
while (!stCol[j].empty())
{
int k = stCol[j].back();
if (!hasEqual)
{
if (lastRow[k][i + 1] + 1 == j) cntRow[k][i + 1]++;
else cntRow[k][i + 1] = 1;
lastRow[k][i + 1] = j;
if (i > k)
rows.push_back({cntRow[k][i + 1], i - k});
}
if (a[i + 1][j] < a[k][j])
break;
if (a[i + 1][j] == a[k][j])
hasEqual = 1;
stCol[j].pop_back();
}
stCol[j].push_back(i + 1);
ans += solve(rows, cols);
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
10 ms |
404 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
256 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
10 ms |
404 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
3 ms |
632 KB |
Output is correct |
18 |
Correct |
3 ms |
636 KB |
Output is correct |
19 |
Correct |
3 ms |
632 KB |
Output is correct |
20 |
Correct |
3 ms |
504 KB |
Output is correct |
21 |
Correct |
3 ms |
504 KB |
Output is correct |
22 |
Correct |
3 ms |
504 KB |
Output is correct |
23 |
Correct |
3 ms |
508 KB |
Output is correct |
24 |
Correct |
3 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
256 KB |
Output is correct |
26 |
Correct |
2 ms |
256 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
10 ms |
404 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
3 ms |
632 KB |
Output is correct |
18 |
Correct |
3 ms |
636 KB |
Output is correct |
19 |
Correct |
3 ms |
632 KB |
Output is correct |
20 |
Correct |
3 ms |
504 KB |
Output is correct |
21 |
Correct |
3 ms |
504 KB |
Output is correct |
22 |
Correct |
3 ms |
504 KB |
Output is correct |
23 |
Correct |
3 ms |
508 KB |
Output is correct |
24 |
Correct |
3 ms |
376 KB |
Output is correct |
25 |
Correct |
8 ms |
1912 KB |
Output is correct |
26 |
Correct |
9 ms |
1912 KB |
Output is correct |
27 |
Correct |
9 ms |
2040 KB |
Output is correct |
28 |
Correct |
7 ms |
1400 KB |
Output is correct |
29 |
Correct |
11 ms |
1528 KB |
Output is correct |
30 |
Correct |
12 ms |
1656 KB |
Output is correct |
31 |
Correct |
11 ms |
1656 KB |
Output is correct |
32 |
Correct |
11 ms |
1656 KB |
Output is correct |
33 |
Correct |
2 ms |
256 KB |
Output is correct |
34 |
Correct |
2 ms |
256 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
10 ms |
404 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
3 ms |
632 KB |
Output is correct |
18 |
Correct |
3 ms |
636 KB |
Output is correct |
19 |
Correct |
3 ms |
632 KB |
Output is correct |
20 |
Correct |
3 ms |
504 KB |
Output is correct |
21 |
Correct |
3 ms |
504 KB |
Output is correct |
22 |
Correct |
3 ms |
504 KB |
Output is correct |
23 |
Correct |
3 ms |
508 KB |
Output is correct |
24 |
Correct |
3 ms |
376 KB |
Output is correct |
25 |
Correct |
8 ms |
1912 KB |
Output is correct |
26 |
Correct |
9 ms |
1912 KB |
Output is correct |
27 |
Correct |
9 ms |
2040 KB |
Output is correct |
28 |
Correct |
7 ms |
1400 KB |
Output is correct |
29 |
Correct |
11 ms |
1528 KB |
Output is correct |
30 |
Correct |
12 ms |
1656 KB |
Output is correct |
31 |
Correct |
11 ms |
1656 KB |
Output is correct |
32 |
Correct |
11 ms |
1656 KB |
Output is correct |
33 |
Correct |
215 ms |
15984 KB |
Output is correct |
34 |
Correct |
88 ms |
15992 KB |
Output is correct |
35 |
Correct |
94 ms |
16120 KB |
Output is correct |
36 |
Correct |
102 ms |
15980 KB |
Output is correct |
37 |
Correct |
98 ms |
18808 KB |
Output is correct |
38 |
Correct |
98 ms |
18740 KB |
Output is correct |
39 |
Correct |
98 ms |
18744 KB |
Output is correct |
40 |
Correct |
91 ms |
17784 KB |
Output is correct |
41 |
Correct |
84 ms |
13148 KB |
Output is correct |
42 |
Correct |
70 ms |
13048 KB |
Output is correct |
43 |
Correct |
126 ms |
13176 KB |
Output is correct |
44 |
Correct |
134 ms |
13312 KB |
Output is correct |
45 |
Correct |
64 ms |
8184 KB |
Output is correct |
46 |
Correct |
67 ms |
8312 KB |
Output is correct |
47 |
Correct |
119 ms |
13200 KB |
Output is correct |
48 |
Correct |
125 ms |
13304 KB |
Output is correct |
49 |
Correct |
2 ms |
256 KB |
Output is correct |
50 |
Correct |
2 ms |
256 KB |
Output is correct |
51 |
Correct |
2 ms |
376 KB |
Output is correct |
52 |
Correct |
2 ms |
376 KB |
Output is correct |
53 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
49772 KB |
Output is correct |
2 |
Correct |
37 ms |
36088 KB |
Output is correct |
3 |
Correct |
44 ms |
49632 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
54 ms |
49740 KB |
Output is correct |
6 |
Correct |
47 ms |
49760 KB |
Output is correct |
7 |
Correct |
45 ms |
49660 KB |
Output is correct |
8 |
Correct |
51 ms |
49656 KB |
Output is correct |
9 |
Correct |
51 ms |
49656 KB |
Output is correct |
10 |
Correct |
43 ms |
49656 KB |
Output is correct |
11 |
Correct |
45 ms |
49656 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
408 ms |
78144 KB |
Output is correct |
3 |
Correct |
854 ms |
148092 KB |
Output is correct |
4 |
Correct |
860 ms |
149096 KB |
Output is correct |
5 |
Correct |
876 ms |
149240 KB |
Output is correct |
6 |
Correct |
297 ms |
87032 KB |
Output is correct |
7 |
Correct |
567 ms |
140152 KB |
Output is correct |
8 |
Correct |
624 ms |
149112 KB |
Output is correct |
9 |
Correct |
2 ms |
256 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
10 ms |
404 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
3 ms |
632 KB |
Output is correct |
18 |
Correct |
3 ms |
636 KB |
Output is correct |
19 |
Correct |
3 ms |
632 KB |
Output is correct |
20 |
Correct |
3 ms |
504 KB |
Output is correct |
21 |
Correct |
3 ms |
504 KB |
Output is correct |
22 |
Correct |
3 ms |
504 KB |
Output is correct |
23 |
Correct |
3 ms |
508 KB |
Output is correct |
24 |
Correct |
3 ms |
376 KB |
Output is correct |
25 |
Correct |
8 ms |
1912 KB |
Output is correct |
26 |
Correct |
9 ms |
1912 KB |
Output is correct |
27 |
Correct |
9 ms |
2040 KB |
Output is correct |
28 |
Correct |
7 ms |
1400 KB |
Output is correct |
29 |
Correct |
11 ms |
1528 KB |
Output is correct |
30 |
Correct |
12 ms |
1656 KB |
Output is correct |
31 |
Correct |
11 ms |
1656 KB |
Output is correct |
32 |
Correct |
11 ms |
1656 KB |
Output is correct |
33 |
Correct |
215 ms |
15984 KB |
Output is correct |
34 |
Correct |
88 ms |
15992 KB |
Output is correct |
35 |
Correct |
94 ms |
16120 KB |
Output is correct |
36 |
Correct |
102 ms |
15980 KB |
Output is correct |
37 |
Correct |
98 ms |
18808 KB |
Output is correct |
38 |
Correct |
98 ms |
18740 KB |
Output is correct |
39 |
Correct |
98 ms |
18744 KB |
Output is correct |
40 |
Correct |
91 ms |
17784 KB |
Output is correct |
41 |
Correct |
84 ms |
13148 KB |
Output is correct |
42 |
Correct |
70 ms |
13048 KB |
Output is correct |
43 |
Correct |
126 ms |
13176 KB |
Output is correct |
44 |
Correct |
134 ms |
13312 KB |
Output is correct |
45 |
Correct |
64 ms |
8184 KB |
Output is correct |
46 |
Correct |
67 ms |
8312 KB |
Output is correct |
47 |
Correct |
119 ms |
13200 KB |
Output is correct |
48 |
Correct |
125 ms |
13304 KB |
Output is correct |
49 |
Correct |
45 ms |
49772 KB |
Output is correct |
50 |
Correct |
37 ms |
36088 KB |
Output is correct |
51 |
Correct |
44 ms |
49632 KB |
Output is correct |
52 |
Correct |
2 ms |
256 KB |
Output is correct |
53 |
Correct |
54 ms |
49740 KB |
Output is correct |
54 |
Correct |
47 ms |
49760 KB |
Output is correct |
55 |
Correct |
45 ms |
49660 KB |
Output is correct |
56 |
Correct |
51 ms |
49656 KB |
Output is correct |
57 |
Correct |
51 ms |
49656 KB |
Output is correct |
58 |
Correct |
43 ms |
49656 KB |
Output is correct |
59 |
Correct |
45 ms |
49656 KB |
Output is correct |
60 |
Correct |
2 ms |
256 KB |
Output is correct |
61 |
Correct |
408 ms |
78144 KB |
Output is correct |
62 |
Correct |
854 ms |
148092 KB |
Output is correct |
63 |
Correct |
860 ms |
149096 KB |
Output is correct |
64 |
Correct |
876 ms |
149240 KB |
Output is correct |
65 |
Correct |
297 ms |
87032 KB |
Output is correct |
66 |
Correct |
567 ms |
140152 KB |
Output is correct |
67 |
Correct |
624 ms |
149112 KB |
Output is correct |
68 |
Execution timed out |
5085 ms |
195428 KB |
Time limit exceeded |
69 |
Halted |
0 ms |
0 KB |
- |