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Submission #1047435

# Submission time Handle Problem Language Result Execution time Memory
1047435 2024-08-07T13:00:56 Z vjudge1 Rectangles (IOI19_rect) C++17
59 / 100
 3604 ms 1048576 KB 
#include "rect.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 2510;
int n,m;
vector<pair<int,int>> gdr[N];
vector<pair<int,int>> gdc[N];

struct Side {
	int r1, r2, c1, c2;
};
vector<Side> hsides[N][N];
vector<Side> vsides[N][N];
vector<pair<int,int>> swp[N];
long long count_rectangles(std::vector<std::vector<int> > a) {
	n = a.size();
	m = a[0].size();
	for(int i = 0;i<n;i++) {
		vector<int> stk;
		for(int j = 0;j<m;j++) {
			while(stk.size() and a[i][stk.back()] < a[i][j]){
				stk.pop_back();
			}
			if(stk.size()) {
				gdr[i].push_back({stk.back(), j});
			}
			stk.push_back(j);
		}
		stk.clear();
		for(int j = m-1;j>=0;j--) {
			while(stk.size() and a[i][stk.back()] < a[i][j])stk.pop_back();
			if(stk.size()) {
				if(a[i][j] != a[i][stk.back()])
					gdr[i].push_back({j, stk.back()});
			}
			stk.push_back(j);
		}
		sort(gdr[i].begin(), gdr[i].end());
	}
	for(int i = 0;i<m;i++) {
		vector<int> stk;
		for(int j = 0;j<n;j++) {
			while(stk.size() and a[stk.back()][i] < a[j][i]){
				stk.pop_back();
			}
			if(stk.size()) {
				gdc[i].push_back({stk.back(), j});
			}
			stk.push_back(j);
		}
		stk.clear();
		for(int j = n-1;j>=0;j--) {
			while(stk.size() and a[stk.back()][i] < a[j][i])stk.pop_back();
			if(stk.size()) {
				gdc[i].push_back({j, stk.back()});
			}
			stk.push_back(j);
		}
		sort(gdc[i].begin(), gdc[i].end());
		gdc[i].erase(unique(gdc[i].begin(), gdc[i].end()), gdc[i].end());
	}
	for(int i = 0;i<n;i++) {
		for(auto pr:gdr[i]) {
			if(i!=n-1 and (*lower_bound(gdr[i+1].begin(), gdr[i+1].end(), pr)) == pr)continue;
			Side seg;
			seg.r1 = pr.first;
			seg.r2 = pr.second;
			seg.c2 = i;
			for(int j = i;j>=0;j--){
				auto it = (lower_bound(gdr[j].begin(), gdr[j].end(), pr));
				if(it == gdr[j].end())break;
				if((*it)!=pr)break;
				seg.c1=j;
			}
			seg.c1--;
			seg.c2++;
			seg.c1=max(seg.c1, 0);
			seg.c2=min(seg.c2, n-1);
			for(int j = seg.c1;j<=seg.c2;j++) {
				hsides[j][seg.r2].push_back(seg);
			}
		}
	}





	for(int i = 0;i<m;i++) {
		for(auto pr:gdc[i]) {
			if(i!=m-1 and (*lower_bound(gdc[i+1].begin(), gdc[i+1].end(), pr)) == pr)continue;
			Side seg;
			seg.r1 = pr.first;
			seg.r2 = pr.second;
			seg.c2 = i;
			for(int j = i;j>=0;j--){
				auto it = (lower_bound(gdc[j].begin(), gdc[j].end(), pr));
				if(it == gdc[j].end())break;
				if((*it)!=pr)break;
				seg.c1=j;
			}
			seg.c1--;
			seg.c2++;
			seg.c1=max(seg.c1, 0);
			seg.c2=min(seg.c2, m-1);
			for(int j = seg.c1;j<=seg.c2;j++) {
				vsides[seg.r2][j].push_back(seg);
			}
		}
	}


	long long ans=0;
	for(int i = 0;i<n;i++) {
		for(int j = 0;j<m;j++) {
			int tmp=0;
			for(auto k:vsides[i][j]) {
				if(k.r1+1 == k.r2)break;
				for(auto k2:hsides[i][j]) {
					if(k2.r1+1 == k2.r2)break;
					if(k2.r1 >= k.c1 and k2.c1 <= k.r1) {
//						cout << i << " " << k2.r1 << " " <<  k.r1 << " " << j <<  endl;
						ans++;
						tmp++;
					}

				}
			}
//			cout << i << " " << j << " " << tmp << endl;
		}
	}
	return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 296276 KB Output is correct
2 Correct 41 ms 296780 KB Output is correct
3 Correct 41 ms 296596 KB Output is correct
4 Correct 40 ms 296416 KB Output is correct
5 Correct 40 ms 296532 KB Output is correct
6 Correct 41 ms 296540 KB Output is correct
7 Correct 40 ms 296540 KB Output is correct
8 Correct 39 ms 296536 KB Output is correct
9 Correct 44 ms 296536 KB Output is correct
10 Correct 41 ms 296532 KB Output is correct
11 Correct 47 ms 296540 KB Output is correct
12 Correct 40 ms 296536 KB Output is correct
13 Correct 40 ms 296268 KB Output is correct
14 Correct 41 ms 296276 KB Output is correct
15 Correct 43 ms 296276 KB Output is correct
16 Correct 41 ms 296272 KB Output is correct
17 Correct 40 ms 296284 KB Output is correct
18 Correct 40 ms 296276 KB Output is correct
19 Correct 41 ms 296536 KB Output is correct
20 Correct 41 ms 296336 KB Output is correct
21 Correct 44 ms 296432 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 296276 KB Output is correct
2 Correct 41 ms 296780 KB Output is correct
3 Correct 41 ms 296596 KB Output is correct
4 Correct 40 ms 296416 KB Output is correct
5 Correct 40 ms 296532 KB Output is correct
6 Correct 41 ms 296540 KB Output is correct
7 Correct 40 ms 296540 KB Output is correct
8 Correct 39 ms 296536 KB Output is correct
9 Correct 44 ms 296536 KB Output is correct
10 Correct 41 ms 296532 KB Output is correct
11 Correct 47 ms 296540 KB Output is correct
12 Correct 40 ms 296536 KB Output is correct
13 Correct 40 ms 296268 KB Output is correct
14 Correct 41 ms 296276 KB Output is correct
15 Correct 43 ms 296276 KB Output is correct
16 Correct 41 ms 296272 KB Output is correct
17 Correct 40 ms 296284 KB Output is correct
18 Correct 40 ms 296276 KB Output is correct
19 Correct 41 ms 296536 KB Output is correct
20 Correct 41 ms 296336 KB Output is correct
21 Correct 44 ms 296432 KB Output is correct
22 Correct 42 ms 297552 KB Output is correct
23 Correct 41 ms 297560 KB Output is correct
24 Correct 43 ms 297560 KB Output is correct
25 Correct 44 ms 297296 KB Output is correct
26 Correct 45 ms 297804 KB Output is correct
27 Correct 47 ms 297808 KB Output is correct
28 Correct 49 ms 297808 KB Output is correct
29 Correct 43 ms 296904 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 296276 KB Output is correct
2 Correct 41 ms 296780 KB Output is correct
3 Correct 41 ms 296596 KB Output is correct
4 Correct 40 ms 296416 KB Output is correct
5 Correct 40 ms 296532 KB Output is correct
6 Correct 41 ms 296540 KB Output is correct
7 Correct 40 ms 296540 KB Output is correct
8 Correct 39 ms 296536 KB Output is correct
9 Correct 44 ms 296536 KB Output is correct
10 Correct 41 ms 296532 KB Output is correct
11 Correct 47 ms 296540 KB Output is correct
12 Correct 40 ms 296536 KB Output is correct
13 Correct 40 ms 296268 KB Output is correct
14 Correct 41 ms 296276 KB Output is correct
15 Correct 43 ms 296276 KB Output is correct
16 Correct 41 ms 296272 KB Output is correct
17 Correct 42 ms 297552 KB Output is correct
18 Correct 41 ms 297560 KB Output is correct
19 Correct 43 ms 297560 KB Output is correct
20 Correct 44 ms 297296 KB Output is correct
21 Correct 45 ms 297804 KB Output is correct
22 Correct 47 ms 297808 KB Output is correct
23 Correct 49 ms 297808 KB Output is correct
24 Correct 43 ms 296904 KB Output is correct
25 Correct 40 ms 296284 KB Output is correct
26 Correct 40 ms 296276 KB Output is correct
27 Correct 41 ms 296536 KB Output is correct
28 Correct 41 ms 296336 KB Output is correct
29 Correct 44 ms 296432 KB Output is correct
30 Correct 53 ms 302424 KB Output is correct
31 Correct 53 ms 302420 KB Output is correct
32 Correct 54 ms 302416 KB Output is correct
33 Correct 64 ms 302416 KB Output is correct
34 Correct 78 ms 304980 KB Output is correct
35 Correct 77 ms 305232 KB Output is correct
36 Correct 76 ms 304332 KB Output is correct
37 Correct 75 ms 304348 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 296276 KB Output is correct
2 Correct 41 ms 296780 KB Output is correct
3 Correct 41 ms 296596 KB Output is correct
4 Correct 40 ms 296416 KB Output is correct
5 Correct 40 ms 296532 KB Output is correct
6 Correct 41 ms 296540 KB Output is correct
7 Correct 40 ms 296540 KB Output is correct
8 Correct 39 ms 296536 KB Output is correct
9 Correct 44 ms 296536 KB Output is correct
10 Correct 41 ms 296532 KB Output is correct
11 Correct 47 ms 296540 KB Output is correct
12 Correct 40 ms 296536 KB Output is correct
13 Correct 40 ms 296268 KB Output is correct
14 Correct 41 ms 296276 KB Output is correct
15 Correct 43 ms 296276 KB Output is correct
16 Correct 41 ms 296272 KB Output is correct
17 Correct 42 ms 297552 KB Output is correct
18 Correct 41 ms 297560 KB Output is correct
19 Correct 43 ms 297560 KB Output is correct
20 Correct 44 ms 297296 KB Output is correct
21 Correct 45 ms 297804 KB Output is correct
22 Correct 47 ms 297808 KB Output is correct
23 Correct 49 ms 297808 KB Output is correct
24 Correct 43 ms 296904 KB Output is correct
25 Correct 53 ms 302424 KB Output is correct
26 Correct 53 ms 302420 KB Output is correct
27 Correct 54 ms 302416 KB Output is correct
28 Correct 64 ms 302416 KB Output is correct
29 Correct 78 ms 304980 KB Output is correct
30 Correct 77 ms 305232 KB Output is correct
31 Correct 76 ms 304332 KB Output is correct
32 Correct 75 ms 304348 KB Output is correct
33 Correct 40 ms 296284 KB Output is correct
34 Correct 40 ms 296276 KB Output is correct
35 Correct 41 ms 296536 KB Output is correct
36 Correct 41 ms 296336 KB Output is correct
37 Correct 44 ms 296432 KB Output is correct
38 Correct 315 ms 378844 KB Output is correct
39 Correct 246 ms 376916 KB Output is correct
40 Correct 263 ms 377156 KB Output is correct
41 Correct 247 ms 372524 KB Output is correct
42 Correct 219 ms 376660 KB Output is correct
43 Correct 231 ms 376656 KB Output is correct
44 Correct 224 ms 376888 KB Output is correct
45 Correct 217 ms 372816 KB Output is correct
46 Correct 353 ms 360748 KB Output is correct
47 Correct 432 ms 369232 KB Output is correct
48 Correct 605 ms 408104 KB Output is correct
49 Correct 605 ms 410864 KB Output is correct
50 Correct 306 ms 353616 KB Output is correct
51 Correct 317 ms 353616 KB Output is correct
52 Correct 553 ms 397652 KB Output is correct
53 Correct 579 ms 399068 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 297300 KB Output is correct
2 Correct 43 ms 297044 KB Output is correct
3 Correct 44 ms 297052 KB Output is correct
4 Correct 39 ms 296344 KB Output is correct
5 Correct 49 ms 297488 KB Output is correct
6 Correct 43 ms 297472 KB Output is correct
7 Correct 44 ms 297296 KB Output is correct
8 Correct 46 ms 297296 KB Output is correct
9 Correct 45 ms 297312 KB Output is correct
10 Correct 41 ms 296532 KB Output is correct
11 Correct 42 ms 297104 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 296284 KB Output is correct
2 Correct 40 ms 296276 KB Output is correct
3 Correct 41 ms 296536 KB Output is correct
4 Correct 41 ms 296336 KB Output is correct
5 Correct 44 ms 296432 KB Output is correct
6 Correct 40 ms 296280 KB Output is correct
7 Correct 2121 ms 660424 KB Output is correct
8 Runtime error 3604 ms 1048576 KB Execution killed with signal 9
9 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 296276 KB Output is correct
2 Correct 41 ms 296780 KB Output is correct
3 Correct 41 ms 296596 KB Output is correct
4 Correct 40 ms 296416 KB Output is correct
5 Correct 40 ms 296532 KB Output is correct
6 Correct 41 ms 296540 KB Output is correct
7 Correct 40 ms 296540 KB Output is correct
8 Correct 39 ms 296536 KB Output is correct
9 Correct 44 ms 296536 KB Output is correct
10 Correct 41 ms 296532 KB Output is correct
11 Correct 47 ms 296540 KB Output is correct
12 Correct 40 ms 296536 KB Output is correct
13 Correct 40 ms 296268 KB Output is correct
14 Correct 41 ms 296276 KB Output is correct
15 Correct 43 ms 296276 KB Output is correct
16 Correct 41 ms 296272 KB Output is correct
17 Correct 42 ms 297552 KB Output is correct
18 Correct 41 ms 297560 KB Output is correct
19 Correct 43 ms 297560 KB Output is correct
20 Correct 44 ms 297296 KB Output is correct
21 Correct 45 ms 297804 KB Output is correct
22 Correct 47 ms 297808 KB Output is correct
23 Correct 49 ms 297808 KB Output is correct
24 Correct 43 ms 296904 KB Output is correct
25 Correct 53 ms 302424 KB Output is correct
26 Correct 53 ms 302420 KB Output is correct
27 Correct 54 ms 302416 KB Output is correct
28 Correct 64 ms 302416 KB Output is correct
29 Correct 78 ms 304980 KB Output is correct
30 Correct 77 ms 305232 KB Output is correct
31 Correct 76 ms 304332 KB Output is correct
32 Correct 75 ms 304348 KB Output is correct
33 Correct 315 ms 378844 KB Output is correct
34 Correct 246 ms 376916 KB Output is correct
35 Correct 263 ms 377156 KB Output is correct
36 Correct 247 ms 372524 KB Output is correct
37 Correct 219 ms 376660 KB Output is correct
38 Correct 231 ms 376656 KB Output is correct
39 Correct 224 ms 376888 KB Output is correct
40 Correct 217 ms 372816 KB Output is correct
41 Correct 353 ms 360748 KB Output is correct
42 Correct 432 ms 369232 KB Output is correct
43 Correct 605 ms 408104 KB Output is correct
44 Correct 605 ms 410864 KB Output is correct
45 Correct 306 ms 353616 KB Output is correct
46 Correct 317 ms 353616 KB Output is correct
47 Correct 553 ms 397652 KB Output is correct
48 Correct 579 ms 399068 KB Output is correct
49 Correct 43 ms 297300 KB Output is correct
50 Correct 43 ms 297044 KB Output is correct
51 Correct 44 ms 297052 KB Output is correct
52 Correct 39 ms 296344 KB Output is correct
53 Correct 49 ms 297488 KB Output is correct
54 Correct 43 ms 297472 KB Output is correct
55 Correct 44 ms 297296 KB Output is correct
56 Correct 46 ms 297296 KB Output is correct
57 Correct 45 ms 297312 KB Output is correct
58 Correct 41 ms 296532 KB Output is correct
59 Correct 42 ms 297104 KB Output is correct
60 Correct 40 ms 296280 KB Output is correct
61 Correct 2121 ms 660424 KB Output is correct
62 Runtime error 3604 ms 1048576 KB Execution killed with signal 9
63 Halted 0 ms 0 KB -