#include "rect.h"
#include <vector>
#include <iostream>
#include <algorithm>
#define int long long
using namespace std;
struct fenw
{
int n;
vector<int> table;
int query(int k)
{
int res = 0;
for (; k; k -= (k & (-k))) res += table[k];
return res;
}
void update(int k, int v)
{
k++;
for (; k <= n; k += (k & (-k))) table[k] += v;
}
fenw(int in) : n(in), table(vector<int>(n + 1)) {}
};
struct bord
{
int a, b;
int st, en;
bool operator<(const bord& ot)
const {
if (a != ot.a) return a < ot.a;
if (b != ot.b) return b < ot.b;
if (st != ot.st) return st < ot.st;
return en < ot.en;
}
};
vector<bord> compress(vector<bord> ip)
{
vector<bord> res;
sort(ip.begin(), ip.end());
for (auto gp : ip)
{
if (res.empty() || res.back().a != gp.a || res.back().b != gp.b || res.back().en + 1 != gp.st) res.push_back(gp);
else res.back().en = gp.en;
}
return res;
}
int count(vector<pair<int,int>> a, vector<pair<int,int>> b)
{
/*
sort(a.begin(), a.end());
sort(b.begin(), b.end());
auto b2 = b;
for (auto &p : b2) swap(p.first, p.second);
sort(b2.begin(), b2.end());
for (auto &p : b2) swap(p.first, p.second);
fenw f(b.size());
int res = 0;
int s = 0;
for (int i = 0; i < (int)a.size(); i++)
{
while (s < (int)b2.size() && b2[s].second <= a[i].first)
{
int id = lower_bound(b.begin(), b.end(), b2[i]) - b.begin();
f.update(id, 1);
s++;
}
int lb = lower_bound(b.begin(), b.end(), make_pair(a[i].second, -1000ll)) - b.begin();
res += f.query(b.size()) - f.query(lb);
}
*/
int res = 0;
for (auto p1 : a)
{
for (auto p2 : b)
{
if (p1.first >= p2.second && p2.first >= p1.second) res++;
}
}
return res;
}
int count_rectangles(vector<vector<signed>> ip)
{
int r = ip.size();
int c = ip[0].size();
vector<bord> hor;
vector<bord> ver;
for (int y = 0; y < r; y++)
{
vector<pair<int,int>> st;
for (int x = 0; x < c; x++)
{
int sts = st.size();
for (int i = sts - 1; i >= 0; i--)
{
if (st[i].first + 1 < x) hor.push_back(bord{st[i].first, x, y, y});
if (st[i].second >= ip[y][x]) break;
}
while (!st.empty() && st.back().second <= ip[y][x]) st.pop_back();
st.emplace_back(x, ip[y][x]);
}
}
for (int x = 0; x < c; x++)
{
vector<pair<int,int>> st;
for (int y = 0; y < r; y++)
{
int sts = st.size();
for (int i = sts - 1; i >= 0; i--)
{
if (st[i].first + 1 < y) ver.push_back(bord{st[i].first, y, x, x});
if (st[i].second >= ip[y][x]) break;
}
while (!st.empty() && st.back().second <= ip[y][x]) st.pop_back();
st.emplace_back(y, ip[y][x]);
}
}
hor = compress(hor);
ver = compress(ver);
vector<vector<vector<int>>> lw(r, vector<vector<int>>(c));
vector<vector<vector<int>>> rg(r, vector<vector<int>>(c));
for (int i = 0; i < (int)hor.size(); i++)
{
for (int j = hor[i].st; j <= hor[i].en; j++)
{
rg[j][hor[i].b - 1].push_back(i);
}
}
for (int i = 0; i < (int)ver.size(); i++)
{
for (int j = ver[i].st; j <= ver[i].en; j++)
{
lw[ver[i].b - 1][j].push_back(i);
}
}
int res = 0;
for (int i = 0; i < r; i++)
{
for (int j = 0; j < c; j++)
{
vector<pair<int,int>> nhor;
vector<pair<int,int>> nver;
for (auto k : lw[i][j]) nver.emplace_back(j - ver[k].st + 1, ver[k].b - ver[k].a - 1);
for (auto k : rg[i][j]) nhor.emplace_back(i - hor[k].st + 1, hor[k].b - hor[k].a - 1);
res += count(nhor, nver);
}
}
return res;
}
# |
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 |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
496 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
512 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 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 |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 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 |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
496 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
512 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
3 ms |
1016 KB |
Output is correct |
18 |
Correct |
3 ms |
1016 KB |
Output is correct |
19 |
Correct |
4 ms |
1016 KB |
Output is correct |
20 |
Correct |
3 ms |
1000 KB |
Output is correct |
21 |
Correct |
5 ms |
1308 KB |
Output is correct |
22 |
Correct |
7 ms |
1308 KB |
Output is correct |
23 |
Correct |
5 ms |
1276 KB |
Output is correct |
24 |
Correct |
2 ms |
744 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 |
384 KB |
Output is correct |
28 |
Correct |
0 ms |
384 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 |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
496 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
512 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
3 ms |
1016 KB |
Output is correct |
18 |
Correct |
3 ms |
1016 KB |
Output is correct |
19 |
Correct |
4 ms |
1016 KB |
Output is correct |
20 |
Correct |
3 ms |
1000 KB |
Output is correct |
21 |
Correct |
5 ms |
1308 KB |
Output is correct |
22 |
Correct |
7 ms |
1308 KB |
Output is correct |
23 |
Correct |
5 ms |
1276 KB |
Output is correct |
24 |
Correct |
2 ms |
744 KB |
Output is correct |
25 |
Correct |
20 ms |
4976 KB |
Output is correct |
26 |
Correct |
20 ms |
4976 KB |
Output is correct |
27 |
Correct |
20 ms |
4976 KB |
Output is correct |
28 |
Correct |
16 ms |
4188 KB |
Output is correct |
29 |
Correct |
41 ms |
6260 KB |
Output is correct |
30 |
Correct |
35 ms |
6260 KB |
Output is correct |
31 |
Correct |
33 ms |
5748 KB |
Output is correct |
32 |
Correct |
36 ms |
5744 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 |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 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 |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
496 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
512 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
3 ms |
1016 KB |
Output is correct |
18 |
Correct |
3 ms |
1016 KB |
Output is correct |
19 |
Correct |
4 ms |
1016 KB |
Output is correct |
20 |
Correct |
3 ms |
1000 KB |
Output is correct |
21 |
Correct |
5 ms |
1308 KB |
Output is correct |
22 |
Correct |
7 ms |
1308 KB |
Output is correct |
23 |
Correct |
5 ms |
1276 KB |
Output is correct |
24 |
Correct |
2 ms |
744 KB |
Output is correct |
25 |
Correct |
20 ms |
4976 KB |
Output is correct |
26 |
Correct |
20 ms |
4976 KB |
Output is correct |
27 |
Correct |
20 ms |
4976 KB |
Output is correct |
28 |
Correct |
16 ms |
4188 KB |
Output is correct |
29 |
Correct |
41 ms |
6260 KB |
Output is correct |
30 |
Correct |
35 ms |
6260 KB |
Output is correct |
31 |
Correct |
33 ms |
5748 KB |
Output is correct |
32 |
Correct |
36 ms |
5744 KB |
Output is correct |
33 |
Correct |
273 ms |
48456 KB |
Output is correct |
34 |
Correct |
189 ms |
53328 KB |
Output is correct |
35 |
Correct |
208 ms |
53036 KB |
Output is correct |
36 |
Correct |
218 ms |
57776 KB |
Output is correct |
37 |
Correct |
297 ms |
50464 KB |
Output is correct |
38 |
Correct |
250 ms |
50272 KB |
Output is correct |
39 |
Correct |
271 ms |
50240 KB |
Output is correct |
40 |
Correct |
249 ms |
47044 KB |
Output is correct |
41 |
Correct |
154 ms |
41864 KB |
Output is correct |
42 |
Correct |
249 ms |
48024 KB |
Output is correct |
43 |
Correct |
506 ms |
75348 KB |
Output is correct |
44 |
Correct |
515 ms |
76008 KB |
Output is correct |
45 |
Correct |
265 ms |
38056 KB |
Output is correct |
46 |
Correct |
249 ms |
37992 KB |
Output is correct |
47 |
Correct |
471 ms |
70304 KB |
Output is correct |
48 |
Correct |
467 ms |
70300 KB |
Output is correct |
49 |
Correct |
0 ms |
256 KB |
Output is correct |
50 |
Correct |
0 ms |
256 KB |
Output is correct |
51 |
Correct |
1 ms |
384 KB |
Output is correct |
52 |
Correct |
0 ms |
384 KB |
Output is correct |
53 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1096 KB |
Output is correct |
2 |
Correct |
3 ms |
1096 KB |
Output is correct |
3 |
Correct |
1 ms |
768 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
1404 KB |
Output is correct |
6 |
Correct |
4 ms |
1276 KB |
Output is correct |
7 |
Correct |
4 ms |
1404 KB |
Output is correct |
8 |
Correct |
4 ms |
1276 KB |
Output is correct |
9 |
Correct |
4 ms |
1276 KB |
Output is correct |
10 |
Correct |
2 ms |
640 KB |
Output is correct |
11 |
Correct |
3 ms |
1020 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1111 ms |
243248 KB |
Output is correct |
3 |
Correct |
2468 ms |
527808 KB |
Output is correct |
4 |
Correct |
2588 ms |
530180 KB |
Output is correct |
5 |
Correct |
2529 ms |
530488 KB |
Output is correct |
6 |
Correct |
237 ms |
169720 KB |
Output is correct |
7 |
Correct |
484 ms |
322040 KB |
Output is correct |
8 |
Correct |
524 ms |
343364 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 |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 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 |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
496 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
512 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
3 ms |
1016 KB |
Output is correct |
18 |
Correct |
3 ms |
1016 KB |
Output is correct |
19 |
Correct |
4 ms |
1016 KB |
Output is correct |
20 |
Correct |
3 ms |
1000 KB |
Output is correct |
21 |
Correct |
5 ms |
1308 KB |
Output is correct |
22 |
Correct |
7 ms |
1308 KB |
Output is correct |
23 |
Correct |
5 ms |
1276 KB |
Output is correct |
24 |
Correct |
2 ms |
744 KB |
Output is correct |
25 |
Correct |
20 ms |
4976 KB |
Output is correct |
26 |
Correct |
20 ms |
4976 KB |
Output is correct |
27 |
Correct |
20 ms |
4976 KB |
Output is correct |
28 |
Correct |
16 ms |
4188 KB |
Output is correct |
29 |
Correct |
41 ms |
6260 KB |
Output is correct |
30 |
Correct |
35 ms |
6260 KB |
Output is correct |
31 |
Correct |
33 ms |
5748 KB |
Output is correct |
32 |
Correct |
36 ms |
5744 KB |
Output is correct |
33 |
Correct |
273 ms |
48456 KB |
Output is correct |
34 |
Correct |
189 ms |
53328 KB |
Output is correct |
35 |
Correct |
208 ms |
53036 KB |
Output is correct |
36 |
Correct |
218 ms |
57776 KB |
Output is correct |
37 |
Correct |
297 ms |
50464 KB |
Output is correct |
38 |
Correct |
250 ms |
50272 KB |
Output is correct |
39 |
Correct |
271 ms |
50240 KB |
Output is correct |
40 |
Correct |
249 ms |
47044 KB |
Output is correct |
41 |
Correct |
154 ms |
41864 KB |
Output is correct |
42 |
Correct |
249 ms |
48024 KB |
Output is correct |
43 |
Correct |
506 ms |
75348 KB |
Output is correct |
44 |
Correct |
515 ms |
76008 KB |
Output is correct |
45 |
Correct |
265 ms |
38056 KB |
Output is correct |
46 |
Correct |
249 ms |
37992 KB |
Output is correct |
47 |
Correct |
471 ms |
70304 KB |
Output is correct |
48 |
Correct |
467 ms |
70300 KB |
Output is correct |
49 |
Correct |
3 ms |
1096 KB |
Output is correct |
50 |
Correct |
3 ms |
1096 KB |
Output is correct |
51 |
Correct |
1 ms |
768 KB |
Output is correct |
52 |
Correct |
0 ms |
256 KB |
Output is correct |
53 |
Correct |
5 ms |
1404 KB |
Output is correct |
54 |
Correct |
4 ms |
1276 KB |
Output is correct |
55 |
Correct |
4 ms |
1404 KB |
Output is correct |
56 |
Correct |
4 ms |
1276 KB |
Output is correct |
57 |
Correct |
4 ms |
1276 KB |
Output is correct |
58 |
Correct |
2 ms |
640 KB |
Output is correct |
59 |
Correct |
3 ms |
1020 KB |
Output is correct |
60 |
Correct |
1 ms |
256 KB |
Output is correct |
61 |
Correct |
1111 ms |
243248 KB |
Output is correct |
62 |
Correct |
2468 ms |
527808 KB |
Output is correct |
63 |
Correct |
2588 ms |
530180 KB |
Output is correct |
64 |
Correct |
2529 ms |
530488 KB |
Output is correct |
65 |
Correct |
237 ms |
169720 KB |
Output is correct |
66 |
Correct |
484 ms |
322040 KB |
Output is correct |
67 |
Correct |
524 ms |
343364 KB |
Output is correct |
68 |
Execution timed out |
5098 ms |
606032 KB |
Time limit exceeded |
69 |
Halted |
0 ms |
0 KB |
- |