#pragma GCC optimize("Ofast")
#include "rect.h"
#include <vector>
#include <iostream>
#include <algorithm>
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;
}
long long 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<int> lw[2500][2500];
vector<int> rg[2500][2500];
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);
}
}
long long res = 0;
for (int i = 0; i < r; i++)
{
for (int j = 0; j < c; j++)
{
vector<pair<int,int>> a;
vector<pair<int,int>> b;
for (auto k : lw[i][j]) a.emplace_back(j - ver[k].st + 1, ver[k].b - ver[k].a - 1);
for (auto k : rg[i][j]) b.emplace_back(i - hor[k].st + 1, hor[k].b - hor[k].a - 1);
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 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[s]) - b.begin();
f.update(id, 1);
s++;
}
int lb = lower_bound(b.begin(), b.end(), make_pair(a[i].second, -1000)) - b.begin();
res += f.query(b.size()) - f.query(lb);
}
}
}
return res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
180 ms |
293796 KB |
Output is correct |
2 |
Correct |
167 ms |
293848 KB |
Output is correct |
3 |
Correct |
166 ms |
293880 KB |
Output is correct |
4 |
Correct |
167 ms |
293864 KB |
Output is correct |
5 |
Correct |
165 ms |
293816 KB |
Output is correct |
6 |
Correct |
167 ms |
293936 KB |
Output is correct |
7 |
Correct |
167 ms |
293880 KB |
Output is correct |
8 |
Correct |
167 ms |
293880 KB |
Output is correct |
9 |
Correct |
183 ms |
293880 KB |
Output is correct |
10 |
Correct |
168 ms |
293880 KB |
Output is correct |
11 |
Correct |
168 ms |
293880 KB |
Output is correct |
12 |
Correct |
167 ms |
293880 KB |
Output is correct |
13 |
Correct |
165 ms |
293880 KB |
Output is correct |
14 |
Correct |
167 ms |
293848 KB |
Output is correct |
15 |
Correct |
167 ms |
294136 KB |
Output is correct |
16 |
Correct |
167 ms |
293880 KB |
Output is correct |
17 |
Correct |
169 ms |
294008 KB |
Output is correct |
18 |
Correct |
172 ms |
293880 KB |
Output is correct |
19 |
Correct |
166 ms |
293884 KB |
Output is correct |
20 |
Correct |
181 ms |
294008 KB |
Output is correct |
21 |
Correct |
175 ms |
293844 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
180 ms |
293796 KB |
Output is correct |
2 |
Correct |
167 ms |
293848 KB |
Output is correct |
3 |
Correct |
166 ms |
293880 KB |
Output is correct |
4 |
Correct |
167 ms |
293864 KB |
Output is correct |
5 |
Correct |
165 ms |
293816 KB |
Output is correct |
6 |
Correct |
167 ms |
293936 KB |
Output is correct |
7 |
Correct |
167 ms |
293880 KB |
Output is correct |
8 |
Correct |
167 ms |
293880 KB |
Output is correct |
9 |
Correct |
183 ms |
293880 KB |
Output is correct |
10 |
Correct |
168 ms |
293880 KB |
Output is correct |
11 |
Correct |
168 ms |
293880 KB |
Output is correct |
12 |
Correct |
167 ms |
293880 KB |
Output is correct |
13 |
Correct |
165 ms |
293880 KB |
Output is correct |
14 |
Correct |
167 ms |
293848 KB |
Output is correct |
15 |
Correct |
167 ms |
294136 KB |
Output is correct |
16 |
Correct |
167 ms |
293880 KB |
Output is correct |
17 |
Correct |
169 ms |
294056 KB |
Output is correct |
18 |
Correct |
185 ms |
294184 KB |
Output is correct |
19 |
Correct |
169 ms |
294056 KB |
Output is correct |
20 |
Correct |
169 ms |
294136 KB |
Output is correct |
21 |
Correct |
186 ms |
294440 KB |
Output is correct |
22 |
Correct |
173 ms |
294344 KB |
Output is correct |
23 |
Correct |
170 ms |
294340 KB |
Output is correct |
24 |
Correct |
170 ms |
294136 KB |
Output is correct |
25 |
Correct |
169 ms |
294008 KB |
Output is correct |
26 |
Correct |
172 ms |
293880 KB |
Output is correct |
27 |
Correct |
166 ms |
293884 KB |
Output is correct |
28 |
Correct |
181 ms |
294008 KB |
Output is correct |
29 |
Correct |
175 ms |
293844 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
180 ms |
293796 KB |
Output is correct |
2 |
Correct |
167 ms |
293848 KB |
Output is correct |
3 |
Correct |
166 ms |
293880 KB |
Output is correct |
4 |
Correct |
167 ms |
293864 KB |
Output is correct |
5 |
Correct |
165 ms |
293816 KB |
Output is correct |
6 |
Correct |
167 ms |
293936 KB |
Output is correct |
7 |
Correct |
167 ms |
293880 KB |
Output is correct |
8 |
Correct |
167 ms |
293880 KB |
Output is correct |
9 |
Correct |
183 ms |
293880 KB |
Output is correct |
10 |
Correct |
168 ms |
293880 KB |
Output is correct |
11 |
Correct |
168 ms |
293880 KB |
Output is correct |
12 |
Correct |
167 ms |
293880 KB |
Output is correct |
13 |
Correct |
165 ms |
293880 KB |
Output is correct |
14 |
Correct |
167 ms |
293848 KB |
Output is correct |
15 |
Correct |
167 ms |
294136 KB |
Output is correct |
16 |
Correct |
167 ms |
293880 KB |
Output is correct |
17 |
Correct |
169 ms |
294056 KB |
Output is correct |
18 |
Correct |
185 ms |
294184 KB |
Output is correct |
19 |
Correct |
169 ms |
294056 KB |
Output is correct |
20 |
Correct |
169 ms |
294136 KB |
Output is correct |
21 |
Correct |
186 ms |
294440 KB |
Output is correct |
22 |
Correct |
173 ms |
294344 KB |
Output is correct |
23 |
Correct |
170 ms |
294340 KB |
Output is correct |
24 |
Correct |
170 ms |
294136 KB |
Output is correct |
25 |
Correct |
198 ms |
295168 KB |
Output is correct |
26 |
Correct |
206 ms |
295076 KB |
Output is correct |
27 |
Correct |
182 ms |
295196 KB |
Output is correct |
28 |
Correct |
185 ms |
295460 KB |
Output is correct |
29 |
Correct |
200 ms |
296732 KB |
Output is correct |
30 |
Correct |
201 ms |
296808 KB |
Output is correct |
31 |
Correct |
199 ms |
296412 KB |
Output is correct |
32 |
Correct |
198 ms |
296436 KB |
Output is correct |
33 |
Correct |
169 ms |
294008 KB |
Output is correct |
34 |
Correct |
172 ms |
293880 KB |
Output is correct |
35 |
Correct |
166 ms |
293884 KB |
Output is correct |
36 |
Correct |
181 ms |
294008 KB |
Output is correct |
37 |
Correct |
175 ms |
293844 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
180 ms |
293796 KB |
Output is correct |
2 |
Correct |
167 ms |
293848 KB |
Output is correct |
3 |
Correct |
166 ms |
293880 KB |
Output is correct |
4 |
Correct |
167 ms |
293864 KB |
Output is correct |
5 |
Correct |
165 ms |
293816 KB |
Output is correct |
6 |
Correct |
167 ms |
293936 KB |
Output is correct |
7 |
Correct |
167 ms |
293880 KB |
Output is correct |
8 |
Correct |
167 ms |
293880 KB |
Output is correct |
9 |
Correct |
183 ms |
293880 KB |
Output is correct |
10 |
Correct |
168 ms |
293880 KB |
Output is correct |
11 |
Correct |
168 ms |
293880 KB |
Output is correct |
12 |
Correct |
167 ms |
293880 KB |
Output is correct |
13 |
Correct |
165 ms |
293880 KB |
Output is correct |
14 |
Correct |
167 ms |
293848 KB |
Output is correct |
15 |
Correct |
167 ms |
294136 KB |
Output is correct |
16 |
Correct |
167 ms |
293880 KB |
Output is correct |
17 |
Correct |
169 ms |
294056 KB |
Output is correct |
18 |
Correct |
185 ms |
294184 KB |
Output is correct |
19 |
Correct |
169 ms |
294056 KB |
Output is correct |
20 |
Correct |
169 ms |
294136 KB |
Output is correct |
21 |
Correct |
186 ms |
294440 KB |
Output is correct |
22 |
Correct |
173 ms |
294344 KB |
Output is correct |
23 |
Correct |
170 ms |
294340 KB |
Output is correct |
24 |
Correct |
170 ms |
294136 KB |
Output is correct |
25 |
Correct |
198 ms |
295168 KB |
Output is correct |
26 |
Correct |
206 ms |
295076 KB |
Output is correct |
27 |
Correct |
182 ms |
295196 KB |
Output is correct |
28 |
Correct |
185 ms |
295460 KB |
Output is correct |
29 |
Correct |
200 ms |
296732 KB |
Output is correct |
30 |
Correct |
201 ms |
296808 KB |
Output is correct |
31 |
Correct |
199 ms |
296412 KB |
Output is correct |
32 |
Correct |
198 ms |
296436 KB |
Output is correct |
33 |
Correct |
316 ms |
315548 KB |
Output is correct |
34 |
Correct |
346 ms |
316680 KB |
Output is correct |
35 |
Correct |
347 ms |
316672 KB |
Output is correct |
36 |
Correct |
339 ms |
321724 KB |
Output is correct |
37 |
Correct |
408 ms |
306348 KB |
Output is correct |
38 |
Correct |
391 ms |
306540 KB |
Output is correct |
39 |
Correct |
424 ms |
306396 KB |
Output is correct |
40 |
Correct |
379 ms |
305556 KB |
Output is correct |
41 |
Correct |
367 ms |
309748 KB |
Output is correct |
42 |
Correct |
384 ms |
314116 KB |
Output is correct |
43 |
Correct |
671 ms |
326928 KB |
Output is correct |
44 |
Correct |
624 ms |
327032 KB |
Output is correct |
45 |
Correct |
383 ms |
310820 KB |
Output is correct |
46 |
Correct |
426 ms |
310764 KB |
Output is correct |
47 |
Correct |
573 ms |
323020 KB |
Output is correct |
48 |
Correct |
586 ms |
323228 KB |
Output is correct |
49 |
Correct |
169 ms |
294008 KB |
Output is correct |
50 |
Correct |
172 ms |
293880 KB |
Output is correct |
51 |
Correct |
166 ms |
293884 KB |
Output is correct |
52 |
Correct |
181 ms |
294008 KB |
Output is correct |
53 |
Correct |
175 ms |
293844 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
194 ms |
294464 KB |
Output is correct |
2 |
Correct |
201 ms |
294392 KB |
Output is correct |
3 |
Correct |
197 ms |
293880 KB |
Output is correct |
4 |
Correct |
201 ms |
294012 KB |
Output is correct |
5 |
Correct |
169 ms |
294292 KB |
Output is correct |
6 |
Correct |
169 ms |
294400 KB |
Output is correct |
7 |
Correct |
190 ms |
294552 KB |
Output is correct |
8 |
Correct |
178 ms |
294276 KB |
Output is correct |
9 |
Correct |
174 ms |
294284 KB |
Output is correct |
10 |
Correct |
169 ms |
294052 KB |
Output is correct |
11 |
Correct |
180 ms |
294312 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
167 ms |
293880 KB |
Output is correct |
2 |
Correct |
1189 ms |
382924 KB |
Output is correct |
3 |
Correct |
2555 ms |
485644 KB |
Output is correct |
4 |
Correct |
2521 ms |
486536 KB |
Output is correct |
5 |
Correct |
2500 ms |
486452 KB |
Output is correct |
6 |
Correct |
411 ms |
319096 KB |
Output is correct |
7 |
Correct |
668 ms |
340984 KB |
Output is correct |
8 |
Correct |
720 ms |
343932 KB |
Output is correct |
9 |
Correct |
169 ms |
294008 KB |
Output is correct |
10 |
Correct |
172 ms |
293880 KB |
Output is correct |
11 |
Correct |
166 ms |
293884 KB |
Output is correct |
12 |
Correct |
181 ms |
294008 KB |
Output is correct |
13 |
Correct |
175 ms |
293844 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
180 ms |
293796 KB |
Output is correct |
2 |
Correct |
167 ms |
293848 KB |
Output is correct |
3 |
Correct |
166 ms |
293880 KB |
Output is correct |
4 |
Correct |
167 ms |
293864 KB |
Output is correct |
5 |
Correct |
165 ms |
293816 KB |
Output is correct |
6 |
Correct |
167 ms |
293936 KB |
Output is correct |
7 |
Correct |
167 ms |
293880 KB |
Output is correct |
8 |
Correct |
167 ms |
293880 KB |
Output is correct |
9 |
Correct |
183 ms |
293880 KB |
Output is correct |
10 |
Correct |
168 ms |
293880 KB |
Output is correct |
11 |
Correct |
168 ms |
293880 KB |
Output is correct |
12 |
Correct |
167 ms |
293880 KB |
Output is correct |
13 |
Correct |
165 ms |
293880 KB |
Output is correct |
14 |
Correct |
167 ms |
293848 KB |
Output is correct |
15 |
Correct |
167 ms |
294136 KB |
Output is correct |
16 |
Correct |
167 ms |
293880 KB |
Output is correct |
17 |
Correct |
169 ms |
294056 KB |
Output is correct |
18 |
Correct |
185 ms |
294184 KB |
Output is correct |
19 |
Correct |
169 ms |
294056 KB |
Output is correct |
20 |
Correct |
169 ms |
294136 KB |
Output is correct |
21 |
Correct |
186 ms |
294440 KB |
Output is correct |
22 |
Correct |
173 ms |
294344 KB |
Output is correct |
23 |
Correct |
170 ms |
294340 KB |
Output is correct |
24 |
Correct |
170 ms |
294136 KB |
Output is correct |
25 |
Correct |
198 ms |
295168 KB |
Output is correct |
26 |
Correct |
206 ms |
295076 KB |
Output is correct |
27 |
Correct |
182 ms |
295196 KB |
Output is correct |
28 |
Correct |
185 ms |
295460 KB |
Output is correct |
29 |
Correct |
200 ms |
296732 KB |
Output is correct |
30 |
Correct |
201 ms |
296808 KB |
Output is correct |
31 |
Correct |
199 ms |
296412 KB |
Output is correct |
32 |
Correct |
198 ms |
296436 KB |
Output is correct |
33 |
Correct |
316 ms |
315548 KB |
Output is correct |
34 |
Correct |
346 ms |
316680 KB |
Output is correct |
35 |
Correct |
347 ms |
316672 KB |
Output is correct |
36 |
Correct |
339 ms |
321724 KB |
Output is correct |
37 |
Correct |
408 ms |
306348 KB |
Output is correct |
38 |
Correct |
391 ms |
306540 KB |
Output is correct |
39 |
Correct |
424 ms |
306396 KB |
Output is correct |
40 |
Correct |
379 ms |
305556 KB |
Output is correct |
41 |
Correct |
367 ms |
309748 KB |
Output is correct |
42 |
Correct |
384 ms |
314116 KB |
Output is correct |
43 |
Correct |
671 ms |
326928 KB |
Output is correct |
44 |
Correct |
624 ms |
327032 KB |
Output is correct |
45 |
Correct |
383 ms |
310820 KB |
Output is correct |
46 |
Correct |
426 ms |
310764 KB |
Output is correct |
47 |
Correct |
573 ms |
323020 KB |
Output is correct |
48 |
Correct |
586 ms |
323228 KB |
Output is correct |
49 |
Correct |
194 ms |
294464 KB |
Output is correct |
50 |
Correct |
201 ms |
294392 KB |
Output is correct |
51 |
Correct |
197 ms |
293880 KB |
Output is correct |
52 |
Correct |
201 ms |
294012 KB |
Output is correct |
53 |
Correct |
169 ms |
294292 KB |
Output is correct |
54 |
Correct |
169 ms |
294400 KB |
Output is correct |
55 |
Correct |
190 ms |
294552 KB |
Output is correct |
56 |
Correct |
178 ms |
294276 KB |
Output is correct |
57 |
Correct |
174 ms |
294284 KB |
Output is correct |
58 |
Correct |
169 ms |
294052 KB |
Output is correct |
59 |
Correct |
180 ms |
294312 KB |
Output is correct |
60 |
Correct |
167 ms |
293880 KB |
Output is correct |
61 |
Correct |
1189 ms |
382924 KB |
Output is correct |
62 |
Correct |
2555 ms |
485644 KB |
Output is correct |
63 |
Correct |
2521 ms |
486536 KB |
Output is correct |
64 |
Correct |
2500 ms |
486452 KB |
Output is correct |
65 |
Correct |
411 ms |
319096 KB |
Output is correct |
66 |
Correct |
668 ms |
340984 KB |
Output is correct |
67 |
Correct |
720 ms |
343932 KB |
Output is correct |
68 |
Correct |
2498 ms |
476912 KB |
Output is correct |
69 |
Correct |
2509 ms |
557196 KB |
Output is correct |
70 |
Correct |
3128 ms |
556952 KB |
Output is correct |
71 |
Correct |
3016 ms |
637356 KB |
Output is correct |
72 |
Correct |
3569 ms |
418576 KB |
Output is correct |
73 |
Correct |
4452 ms |
540588 KB |
Output is correct |
74 |
Correct |
4452 ms |
555680 KB |
Output is correct |
75 |
Execution timed out |
5086 ms |
704704 KB |
Time limit exceeded |
76 |
Halted |
0 ms |
0 KB |
- |