#include "rect.h"
#include <stdio.h>
#include <vector>
#include <queue>
#include <algorithm>
#include <iostream>
#include <string>
#include <bitset>
#include <map>
#include <set>
#include <tuple>
#include <string.h>
#include <math.h>
#include <random>
#include <functional>
#include <assert.h>
#include <math.h>
#include <stack>
#define all(x) (x).begin(), (x).end()
#define xx first
#define yy second
using namespace std;
using i64 = long long int;
using ii = pair<int, int>;
using ii64 = pair<i64, i64>;
int up[2505][2505];
int down[2505][2505];
bool visited[2505][2505];
int dx[] = { -1, 0, 1, 0 };
int dy[] = { 0, -1, 0, 1 };
i64 sub6(vector<vector<int>> a)
{
int n = a.size();
int m = a[0].size();
i64 ans = 0;
for (int x = 1; x < n - 1; x++)
{
for (int y = 1; y < m - 1; y++)
{
if (visited[x][y] || a[x][y] == 1)
continue;
int lx = x, ly = y, rx = x, ry = y;
int c = 0;
queue<ii> q;
q.emplace(x, y);
visited[x][y] = true;
while (!q.empty())
{
auto now = q.front();
q.pop();
lx = min(now.xx, lx);
ly = min(now.yy, ly);
rx = max(now.xx, rx);
ry = max(now.yy, ry);
c++;
for (int i = 0; i < 4; i++)
{
int nx = now.xx + dx[i];
int ny = now.yy + dy[i];
if (nx == 0 || nx == n - 1 || ny == 0 || ny == m - 1 || visited[nx][ny] || a[nx][ny] == 1)
continue;
visited[nx][ny] = true;
q.emplace(nx, ny);
}
}
bool ok = true;
if (c != (rx - lx + 1) * (ry - ly + 1))
ok = false;
for (int i = ly; i <= ry; i++)
if (a[lx - 1][i] != 1 || a[rx + 1][i] != 1)
ok = false;
for (int i = lx; i <= rx; i++)
if (a[i][ly - 1] != 1 || a[i][ry + 1] != 1)
ok = false;
if (ok)
ans++;
}
}
return ans;
}
i64 count_rectangles(vector<vector<int>> a)
{
int n = a.size();
int m = a[0].size();
i64 ans = 0;
int amax = 0;
for (int x = 0; x < n; x++)
{
for (int y = 0; y < m; y++)
{
amax = max(amax, a[x][y]);
int yu = y - 1;
int yd = y + 1;
while (yd < m && a[x][yd] < a[x][y])
yd++;
while (yu >= 0 && a[x][yu] < a[x][y])
yu--;
down[x][y] = yd - y - 1;
up[x][y] = y - yu - 1;
}
}
if (amax == 1)
return sub6(a);
for (int l = 0; l < n - 2; l++)
{
vector<int> dnow(m, 987654321);
vector<int> unow(m, 987654321);
vector<int> maxv(m, 0); // 좌우에서 y별 최댓값값
for (int r = l + 2; r < n; r++)
{
vector<int> newup(m + 1, 0);
vector<int> newdown(m + 1, 0);
vector<int> delup(m + 1, 0);
vector<int> deldown(m + 1, 0);
vector<int> lrup(m + 1, 0);
vector<int> lrdown(m + 1, 0);
vector<bool> lr(m, 0); // l - r은 가능한지
vector<int> depth(m + 1, 0);
for (int y = 0; y < m; y++)
{
dnow[y] = min(dnow[y], down[r - 1][y]);
unow[y] = min(unow[y], up[r - 1][y]);
maxv[y] = max(maxv[y], a[r - 1][y]);
lr[y] = maxv[y] < a[l][y] && maxv[y] < a[r][y];
}
int lru = 0, lrd = 0;
vector<int> dval(m + 1, 0);
vector<int> uval(m + 1, 0);
for (int y = 0; y < m; y++)
{
uval[y] = min(unow[y], lru);
if (lr[y])
lru++;
else
lru = 0;
}
for (int y = m - 1; y >= 0; y--)
{
dval[y] = min(dnow[y], lrd);
if (lr[y])
lrd++;
else
lrd = 0;
}
for (int y = 0; y < m; y++)
{
if (uval[y] >= 1)
{
newup[y - uval[y]]++;
delup[y - 1]++;
}
if (dval[y] >= 1)
{
newdown[y + 1]++;
deldown[y + dval[y]]++;
}
}
int d = 0;
for (int y = 0; y < m; y++)
{
d += newup[y];
d -= delup[y];
depth[y] = d;
}
// (ypos, minvalue)
stack<ii> s;
for (int y = 1; y < m; y++)
{
for (int j = 0; j < newdown[y]; j++)
s.emplace(y, 987654321);
if (!s.empty())
{
s.top().yy = min(s.top().yy, depth[y]);
}
for (int j = 0; j < deldown[y]; j++)
{
ii top = s.top();
int f = depth[top.xx - 1] + newup[top.xx];
ans += f - top.yy;
s.pop();
if (!s.empty())
s.top().yy = min(s.top().yy, top.yy);
}
}
}
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
504 KB |
Output is correct |
3 |
Correct |
3 ms |
632 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
632 KB |
Output is correct |
6 |
Correct |
3 ms |
504 KB |
Output is correct |
7 |
Correct |
3 ms |
632 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
632 KB |
Output is correct |
10 |
Correct |
3 ms |
632 KB |
Output is correct |
11 |
Correct |
3 ms |
632 KB |
Output is correct |
12 |
Correct |
3 ms |
632 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
3 ms |
632 KB |
Output is correct |
20 |
Correct |
3 ms |
632 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
504 KB |
Output is correct |
3 |
Correct |
3 ms |
632 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
632 KB |
Output is correct |
6 |
Correct |
3 ms |
504 KB |
Output is correct |
7 |
Correct |
3 ms |
632 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
632 KB |
Output is correct |
10 |
Correct |
3 ms |
632 KB |
Output is correct |
11 |
Correct |
3 ms |
632 KB |
Output is correct |
12 |
Correct |
3 ms |
632 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
10 ms |
1152 KB |
Output is correct |
18 |
Correct |
10 ms |
1144 KB |
Output is correct |
19 |
Correct |
10 ms |
1148 KB |
Output is correct |
20 |
Correct |
10 ms |
1144 KB |
Output is correct |
21 |
Correct |
10 ms |
1016 KB |
Output is correct |
22 |
Correct |
10 ms |
1116 KB |
Output is correct |
23 |
Correct |
10 ms |
1144 KB |
Output is correct |
24 |
Correct |
8 ms |
1020 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
3 ms |
632 KB |
Output is correct |
28 |
Correct |
3 ms |
632 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
504 KB |
Output is correct |
3 |
Correct |
3 ms |
632 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
632 KB |
Output is correct |
6 |
Correct |
3 ms |
504 KB |
Output is correct |
7 |
Correct |
3 ms |
632 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
632 KB |
Output is correct |
10 |
Correct |
3 ms |
632 KB |
Output is correct |
11 |
Correct |
3 ms |
632 KB |
Output is correct |
12 |
Correct |
3 ms |
632 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
10 ms |
1152 KB |
Output is correct |
18 |
Correct |
10 ms |
1144 KB |
Output is correct |
19 |
Correct |
10 ms |
1148 KB |
Output is correct |
20 |
Correct |
10 ms |
1144 KB |
Output is correct |
21 |
Correct |
10 ms |
1016 KB |
Output is correct |
22 |
Correct |
10 ms |
1116 KB |
Output is correct |
23 |
Correct |
10 ms |
1144 KB |
Output is correct |
24 |
Correct |
8 ms |
1020 KB |
Output is correct |
25 |
Correct |
93 ms |
2808 KB |
Output is correct |
26 |
Correct |
93 ms |
2800 KB |
Output is correct |
27 |
Correct |
95 ms |
2928 KB |
Output is correct |
28 |
Correct |
88 ms |
2680 KB |
Output is correct |
29 |
Correct |
91 ms |
2680 KB |
Output is correct |
30 |
Correct |
92 ms |
2936 KB |
Output is correct |
31 |
Correct |
91 ms |
2936 KB |
Output is correct |
32 |
Correct |
90 ms |
2936 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
3 ms |
632 KB |
Output is correct |
36 |
Correct |
3 ms |
632 KB |
Output is correct |
37 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
504 KB |
Output is correct |
3 |
Correct |
3 ms |
632 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
632 KB |
Output is correct |
6 |
Correct |
3 ms |
504 KB |
Output is correct |
7 |
Correct |
3 ms |
632 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
632 KB |
Output is correct |
10 |
Correct |
3 ms |
632 KB |
Output is correct |
11 |
Correct |
3 ms |
632 KB |
Output is correct |
12 |
Correct |
3 ms |
632 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
10 ms |
1152 KB |
Output is correct |
18 |
Correct |
10 ms |
1144 KB |
Output is correct |
19 |
Correct |
10 ms |
1148 KB |
Output is correct |
20 |
Correct |
10 ms |
1144 KB |
Output is correct |
21 |
Correct |
10 ms |
1016 KB |
Output is correct |
22 |
Correct |
10 ms |
1116 KB |
Output is correct |
23 |
Correct |
10 ms |
1144 KB |
Output is correct |
24 |
Correct |
8 ms |
1020 KB |
Output is correct |
25 |
Correct |
93 ms |
2808 KB |
Output is correct |
26 |
Correct |
93 ms |
2800 KB |
Output is correct |
27 |
Correct |
95 ms |
2928 KB |
Output is correct |
28 |
Correct |
88 ms |
2680 KB |
Output is correct |
29 |
Correct |
91 ms |
2680 KB |
Output is correct |
30 |
Correct |
92 ms |
2936 KB |
Output is correct |
31 |
Correct |
91 ms |
2936 KB |
Output is correct |
32 |
Correct |
90 ms |
2936 KB |
Output is correct |
33 |
Correct |
3337 ms |
16892 KB |
Output is correct |
34 |
Correct |
3338 ms |
17016 KB |
Output is correct |
35 |
Correct |
3349 ms |
16888 KB |
Output is correct |
36 |
Correct |
3342 ms |
16888 KB |
Output is correct |
37 |
Correct |
3366 ms |
17016 KB |
Output is correct |
38 |
Correct |
3371 ms |
17064 KB |
Output is correct |
39 |
Correct |
3368 ms |
17320 KB |
Output is correct |
40 |
Correct |
2953 ms |
16376 KB |
Output is correct |
41 |
Correct |
47 ms |
18296 KB |
Output is correct |
42 |
Correct |
3173 ms |
14712 KB |
Output is correct |
43 |
Correct |
3257 ms |
15568 KB |
Output is correct |
44 |
Correct |
3263 ms |
17016 KB |
Output is correct |
45 |
Correct |
1772 ms |
11640 KB |
Output is correct |
46 |
Correct |
826 ms |
7416 KB |
Output is correct |
47 |
Correct |
3213 ms |
13948 KB |
Output is correct |
48 |
Correct |
3227 ms |
13944 KB |
Output is correct |
49 |
Correct |
2 ms |
376 KB |
Output is correct |
50 |
Correct |
2 ms |
376 KB |
Output is correct |
51 |
Correct |
3 ms |
632 KB |
Output is correct |
52 |
Correct |
3 ms |
632 KB |
Output is correct |
53 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
636 KB |
Output is correct |
2 |
Correct |
8 ms |
632 KB |
Output is correct |
3 |
Correct |
3 ms |
632 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
3 ms |
632 KB |
Output is correct |
6 |
Correct |
3 ms |
632 KB |
Output is correct |
7 |
Correct |
3 ms |
632 KB |
Output is correct |
8 |
Correct |
3 ms |
632 KB |
Output is correct |
9 |
Correct |
3 ms |
632 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
3 ms |
504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
247 ms |
61640 KB |
Output is correct |
3 |
Correct |
515 ms |
128860 KB |
Output is correct |
4 |
Correct |
526 ms |
141560 KB |
Output is correct |
5 |
Correct |
522 ms |
141432 KB |
Output is correct |
6 |
Correct |
204 ms |
70008 KB |
Output is correct |
7 |
Correct |
483 ms |
136124 KB |
Output is correct |
8 |
Correct |
530 ms |
141620 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
3 ms |
632 KB |
Output is correct |
12 |
Correct |
3 ms |
632 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
504 KB |
Output is correct |
3 |
Correct |
3 ms |
632 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
632 KB |
Output is correct |
6 |
Correct |
3 ms |
504 KB |
Output is correct |
7 |
Correct |
3 ms |
632 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
632 KB |
Output is correct |
10 |
Correct |
3 ms |
632 KB |
Output is correct |
11 |
Correct |
3 ms |
632 KB |
Output is correct |
12 |
Correct |
3 ms |
632 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
10 ms |
1152 KB |
Output is correct |
18 |
Correct |
10 ms |
1144 KB |
Output is correct |
19 |
Correct |
10 ms |
1148 KB |
Output is correct |
20 |
Correct |
10 ms |
1144 KB |
Output is correct |
21 |
Correct |
10 ms |
1016 KB |
Output is correct |
22 |
Correct |
10 ms |
1116 KB |
Output is correct |
23 |
Correct |
10 ms |
1144 KB |
Output is correct |
24 |
Correct |
8 ms |
1020 KB |
Output is correct |
25 |
Correct |
93 ms |
2808 KB |
Output is correct |
26 |
Correct |
93 ms |
2800 KB |
Output is correct |
27 |
Correct |
95 ms |
2928 KB |
Output is correct |
28 |
Correct |
88 ms |
2680 KB |
Output is correct |
29 |
Correct |
91 ms |
2680 KB |
Output is correct |
30 |
Correct |
92 ms |
2936 KB |
Output is correct |
31 |
Correct |
91 ms |
2936 KB |
Output is correct |
32 |
Correct |
90 ms |
2936 KB |
Output is correct |
33 |
Correct |
3337 ms |
16892 KB |
Output is correct |
34 |
Correct |
3338 ms |
17016 KB |
Output is correct |
35 |
Correct |
3349 ms |
16888 KB |
Output is correct |
36 |
Correct |
3342 ms |
16888 KB |
Output is correct |
37 |
Correct |
3366 ms |
17016 KB |
Output is correct |
38 |
Correct |
3371 ms |
17064 KB |
Output is correct |
39 |
Correct |
3368 ms |
17320 KB |
Output is correct |
40 |
Correct |
2953 ms |
16376 KB |
Output is correct |
41 |
Correct |
47 ms |
18296 KB |
Output is correct |
42 |
Correct |
3173 ms |
14712 KB |
Output is correct |
43 |
Correct |
3257 ms |
15568 KB |
Output is correct |
44 |
Correct |
3263 ms |
17016 KB |
Output is correct |
45 |
Correct |
1772 ms |
11640 KB |
Output is correct |
46 |
Correct |
826 ms |
7416 KB |
Output is correct |
47 |
Correct |
3213 ms |
13948 KB |
Output is correct |
48 |
Correct |
3227 ms |
13944 KB |
Output is correct |
49 |
Correct |
11 ms |
636 KB |
Output is correct |
50 |
Correct |
8 ms |
632 KB |
Output is correct |
51 |
Correct |
3 ms |
632 KB |
Output is correct |
52 |
Correct |
2 ms |
376 KB |
Output is correct |
53 |
Correct |
3 ms |
632 KB |
Output is correct |
54 |
Correct |
3 ms |
632 KB |
Output is correct |
55 |
Correct |
3 ms |
632 KB |
Output is correct |
56 |
Correct |
3 ms |
632 KB |
Output is correct |
57 |
Correct |
3 ms |
632 KB |
Output is correct |
58 |
Correct |
2 ms |
376 KB |
Output is correct |
59 |
Correct |
3 ms |
504 KB |
Output is correct |
60 |
Correct |
2 ms |
504 KB |
Output is correct |
61 |
Correct |
247 ms |
61640 KB |
Output is correct |
62 |
Correct |
515 ms |
128860 KB |
Output is correct |
63 |
Correct |
526 ms |
141560 KB |
Output is correct |
64 |
Correct |
522 ms |
141432 KB |
Output is correct |
65 |
Correct |
204 ms |
70008 KB |
Output is correct |
66 |
Correct |
483 ms |
136124 KB |
Output is correct |
67 |
Correct |
530 ms |
141620 KB |
Output is correct |
68 |
Execution timed out |
5101 ms |
98836 KB |
Time limit exceeded |
69 |
Halted |
0 ms |
0 KB |
- |