# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
171197 |
2019-12-27T18:07:25 Z |
nobik |
Rectangles (IOI19_rect) |
C++14 |
|
5000 ms |
453192 KB |
#include "rect.h"
#include <bits/stdc++.h>
using namespace std;
vector<vector<pair<int, int>>> CalcSegments(const vector<int>& a) {
int n = static_cast<int>(a.size());
vector<vector<pair<int, int>>> segments(n);
vector<int> s;
for (int i = 0; i < n; ++i) {
while (!s.empty()) {
int segment = i - s.back() - 1;
if (segment > 0)
segments[i].emplace_back(segment, 1);
if (a[s.back()] >= a[i])
break;
s.pop_back();
}
if (!s.empty() && a[s.back()] == a[i])
s.pop_back();
s.push_back(i);
}
segments.shrink_to_fit();
return segments;
}
vector<pair<int, int>> Merge(const vector<pair<int, int>>& a, const vector<pair<int, int>>& b) {
vector<pair<int, int>> r;
int a_size = static_cast<int>(a.size());
int j = 0;
for (const auto& e: b) {
while (j < a_size && a[j].first < e.first) {
++j;
}
int cnt = e.second;
if (j < a_size && a[j].first == e.first) {
cnt += a[j].second;
}
r.emplace_back(e.first, cnt);
}
return r;
}
long long count_rectangles(std::vector<std::vector<int> > a) {
int n = static_cast<int>(a.size());
int m = static_cast<int>(a.front().size());
vector<vector<vector<pair<int, int>>>> horizontal_segments(n, vector<vector<pair<int, int>>>(m));
vector<vector<vector<pair<int, int>>>> vertical_segments(n, vector<vector<pair<int, int>>>(m));
for (int i = 0; i < n; ++i) {
horizontal_segments[i] = CalcSegments(a[i]);
}
for (int j = 0; j < m; ++j) {
vector<int> b;
for (int i = 0; i < n; ++i) {
b.push_back(a[i][j]);
}
auto segments = CalcSegments(b);
for (int i = 0; i < n; ++i) {
vertical_segments[i][j] = segments[i];
}
}
for (int i = 0; i < n; ++i) {
for (int j = 0; j < m; ++j) {
if (i > 0) horizontal_segments[i][j] = Merge(horizontal_segments[i - 1][j], horizontal_segments[i][j]);
if (j > 0) vertical_segments[i][j] = Merge(vertical_segments[i][j - 1], vertical_segments[i][j]);
}
}
long long result = 0;
for (int i = 1; i < n; ++i) {
for (int j = 0; j < m; ++j) {
for (auto& x: horizontal_segments[i - 1][j]) {
for (auto& y: vertical_segments[i][j - 1]) {
if (x.first <= y.second && y.first <= x.second)
++result;
}
}
}
}
/* for (int i = 1; i < n; ++i) {
for (int j = 1; j < m; ++j) {
cout << i << ' ' << j << ": " << endl;
cout << "HORIZONTAL: "; for (auto& x: horizontal_segments[i - 1][j]) cout << x.first << ' '; cout << endl;
cout << "VERTICAL: "; for (auto& x: vertical_segments[i][j - 1]) cout << x.first << ' '; cout << endl;
}
} */
return result;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
6 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 |
3 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 |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
3 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
3 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
356 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
1 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
3 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
6 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 |
3 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 |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
3 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
3 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
356 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
888 KB |
Output is correct |
18 |
Correct |
4 ms |
888 KB |
Output is correct |
19 |
Correct |
4 ms |
888 KB |
Output is correct |
20 |
Correct |
5 ms |
888 KB |
Output is correct |
21 |
Correct |
6 ms |
888 KB |
Output is correct |
22 |
Correct |
5 ms |
888 KB |
Output is correct |
23 |
Correct |
6 ms |
888 KB |
Output is correct |
24 |
Correct |
4 ms |
632 KB |
Output is correct |
25 |
Correct |
1 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
256 KB |
Output is correct |
27 |
Correct |
3 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
6 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 |
3 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 |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
3 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
3 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
356 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
888 KB |
Output is correct |
18 |
Correct |
4 ms |
888 KB |
Output is correct |
19 |
Correct |
4 ms |
888 KB |
Output is correct |
20 |
Correct |
5 ms |
888 KB |
Output is correct |
21 |
Correct |
6 ms |
888 KB |
Output is correct |
22 |
Correct |
5 ms |
888 KB |
Output is correct |
23 |
Correct |
6 ms |
888 KB |
Output is correct |
24 |
Correct |
4 ms |
632 KB |
Output is correct |
25 |
Correct |
11 ms |
3576 KB |
Output is correct |
26 |
Correct |
11 ms |
3576 KB |
Output is correct |
27 |
Correct |
11 ms |
3704 KB |
Output is correct |
28 |
Correct |
16 ms |
3320 KB |
Output is correct |
29 |
Correct |
23 ms |
4248 KB |
Output is correct |
30 |
Correct |
27 ms |
4344 KB |
Output is correct |
31 |
Correct |
22 ms |
4216 KB |
Output is correct |
32 |
Correct |
23 ms |
4216 KB |
Output is correct |
33 |
Correct |
1 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
256 KB |
Output is correct |
35 |
Correct |
3 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
6 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 |
3 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 |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
3 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
3 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
356 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
888 KB |
Output is correct |
18 |
Correct |
4 ms |
888 KB |
Output is correct |
19 |
Correct |
4 ms |
888 KB |
Output is correct |
20 |
Correct |
5 ms |
888 KB |
Output is correct |
21 |
Correct |
6 ms |
888 KB |
Output is correct |
22 |
Correct |
5 ms |
888 KB |
Output is correct |
23 |
Correct |
6 ms |
888 KB |
Output is correct |
24 |
Correct |
4 ms |
632 KB |
Output is correct |
25 |
Correct |
11 ms |
3576 KB |
Output is correct |
26 |
Correct |
11 ms |
3576 KB |
Output is correct |
27 |
Correct |
11 ms |
3704 KB |
Output is correct |
28 |
Correct |
16 ms |
3320 KB |
Output is correct |
29 |
Correct |
23 ms |
4248 KB |
Output is correct |
30 |
Correct |
27 ms |
4344 KB |
Output is correct |
31 |
Correct |
22 ms |
4216 KB |
Output is correct |
32 |
Correct |
23 ms |
4216 KB |
Output is correct |
33 |
Correct |
193 ms |
36188 KB |
Output is correct |
34 |
Correct |
114 ms |
41428 KB |
Output is correct |
35 |
Correct |
161 ms |
41000 KB |
Output is correct |
36 |
Correct |
178 ms |
45816 KB |
Output is correct |
37 |
Correct |
113 ms |
41752 KB |
Output is correct |
38 |
Correct |
101 ms |
41720 KB |
Output is correct |
39 |
Correct |
114 ms |
42012 KB |
Output is correct |
40 |
Correct |
112 ms |
39928 KB |
Output is correct |
41 |
Correct |
147 ms |
35932 KB |
Output is correct |
42 |
Correct |
197 ms |
38596 KB |
Output is correct |
43 |
Correct |
297 ms |
48004 KB |
Output is correct |
44 |
Correct |
295 ms |
50168 KB |
Output is correct |
45 |
Correct |
145 ms |
25208 KB |
Output is correct |
46 |
Correct |
143 ms |
25080 KB |
Output is correct |
47 |
Correct |
272 ms |
47556 KB |
Output is correct |
48 |
Correct |
276 ms |
48660 KB |
Output is correct |
49 |
Correct |
1 ms |
376 KB |
Output is correct |
50 |
Correct |
2 ms |
256 KB |
Output is correct |
51 |
Correct |
3 ms |
376 KB |
Output is correct |
52 |
Correct |
2 ms |
376 KB |
Output is correct |
53 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
1016 KB |
Output is correct |
2 |
Correct |
4 ms |
888 KB |
Output is correct |
3 |
Correct |
3 ms |
760 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
1144 KB |
Output is correct |
6 |
Correct |
5 ms |
1016 KB |
Output is correct |
7 |
Correct |
5 ms |
920 KB |
Output is correct |
8 |
Correct |
5 ms |
1016 KB |
Output is correct |
9 |
Correct |
5 ms |
1016 KB |
Output is correct |
10 |
Correct |
3 ms |
632 KB |
Output is correct |
11 |
Correct |
4 ms |
760 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
926 ms |
207948 KB |
Output is correct |
3 |
Correct |
2079 ms |
450944 KB |
Output is correct |
4 |
Correct |
2111 ms |
453164 KB |
Output is correct |
5 |
Correct |
2225 ms |
453192 KB |
Output is correct |
6 |
Correct |
428 ms |
175636 KB |
Output is correct |
7 |
Correct |
840 ms |
333560 KB |
Output is correct |
8 |
Correct |
913 ms |
355576 KB |
Output is correct |
9 |
Correct |
1 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
3 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
6 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 |
3 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 |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
3 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
3 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
356 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
888 KB |
Output is correct |
18 |
Correct |
4 ms |
888 KB |
Output is correct |
19 |
Correct |
4 ms |
888 KB |
Output is correct |
20 |
Correct |
5 ms |
888 KB |
Output is correct |
21 |
Correct |
6 ms |
888 KB |
Output is correct |
22 |
Correct |
5 ms |
888 KB |
Output is correct |
23 |
Correct |
6 ms |
888 KB |
Output is correct |
24 |
Correct |
4 ms |
632 KB |
Output is correct |
25 |
Correct |
11 ms |
3576 KB |
Output is correct |
26 |
Correct |
11 ms |
3576 KB |
Output is correct |
27 |
Correct |
11 ms |
3704 KB |
Output is correct |
28 |
Correct |
16 ms |
3320 KB |
Output is correct |
29 |
Correct |
23 ms |
4248 KB |
Output is correct |
30 |
Correct |
27 ms |
4344 KB |
Output is correct |
31 |
Correct |
22 ms |
4216 KB |
Output is correct |
32 |
Correct |
23 ms |
4216 KB |
Output is correct |
33 |
Correct |
193 ms |
36188 KB |
Output is correct |
34 |
Correct |
114 ms |
41428 KB |
Output is correct |
35 |
Correct |
161 ms |
41000 KB |
Output is correct |
36 |
Correct |
178 ms |
45816 KB |
Output is correct |
37 |
Correct |
113 ms |
41752 KB |
Output is correct |
38 |
Correct |
101 ms |
41720 KB |
Output is correct |
39 |
Correct |
114 ms |
42012 KB |
Output is correct |
40 |
Correct |
112 ms |
39928 KB |
Output is correct |
41 |
Correct |
147 ms |
35932 KB |
Output is correct |
42 |
Correct |
197 ms |
38596 KB |
Output is correct |
43 |
Correct |
297 ms |
48004 KB |
Output is correct |
44 |
Correct |
295 ms |
50168 KB |
Output is correct |
45 |
Correct |
145 ms |
25208 KB |
Output is correct |
46 |
Correct |
143 ms |
25080 KB |
Output is correct |
47 |
Correct |
272 ms |
47556 KB |
Output is correct |
48 |
Correct |
276 ms |
48660 KB |
Output is correct |
49 |
Correct |
4 ms |
1016 KB |
Output is correct |
50 |
Correct |
4 ms |
888 KB |
Output is correct |
51 |
Correct |
3 ms |
760 KB |
Output is correct |
52 |
Correct |
2 ms |
376 KB |
Output is correct |
53 |
Correct |
5 ms |
1144 KB |
Output is correct |
54 |
Correct |
5 ms |
1016 KB |
Output is correct |
55 |
Correct |
5 ms |
920 KB |
Output is correct |
56 |
Correct |
5 ms |
1016 KB |
Output is correct |
57 |
Correct |
5 ms |
1016 KB |
Output is correct |
58 |
Correct |
3 ms |
632 KB |
Output is correct |
59 |
Correct |
4 ms |
760 KB |
Output is correct |
60 |
Correct |
2 ms |
256 KB |
Output is correct |
61 |
Correct |
926 ms |
207948 KB |
Output is correct |
62 |
Correct |
2079 ms |
450944 KB |
Output is correct |
63 |
Correct |
2111 ms |
453164 KB |
Output is correct |
64 |
Correct |
2225 ms |
453192 KB |
Output is correct |
65 |
Correct |
428 ms |
175636 KB |
Output is correct |
66 |
Correct |
840 ms |
333560 KB |
Output is correct |
67 |
Correct |
913 ms |
355576 KB |
Output is correct |
68 |
Execution timed out |
5115 ms |
432864 KB |
Time limit exceeded |
69 |
Halted |
0 ms |
0 KB |
- |