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Submission #1047683

# Submission time Handle Problem Language Result Execution time Memory
1047683 2024-08-07T14:59:57 Z vjudge1 Rectangles (IOI19_rect) C++17
72 / 100
 5000 ms 809636 KB 
#include "rect.h"
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3")
const int N = 2510;
int n,m;
vector<array<int, 2>> gdr[N][N];
vector<array<int, 2>> gdc[N][N];

struct Side {
	int r1, r2, c1, c2;
};


int fen[N];
void upd(int at, int add) {
	at++;
	while(at) {
		fen[at]+=add;
		at-=at&(-at);
	}
}
int qry(int at) {
	at++;
	int sum=0;
	while(at<N) {
		sum+=fen[at];
		at+=at&(-at);
	}
	return sum;
}
vector<int> stk;
long long count_rectangles(std::vector<std::vector<int> > a) {
	n = a.size();
	m = a[0].size();
	for(int i = 0;i<n;i++) {
			stk.clear();
		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][j].push_back({stk.back(), 1});
			}
			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][stk.back()].push_back({j,1});
				}
			}
			stk.push_back(j);
		}
	}
	for(int i = 0;i<m;i++) {
			stk.clear();
		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[j][i].push_back({stk.back(),1});
			}
			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()) {
				if(a[j][i] != a[stk.back()][i]) {
					gdc[stk.back()][i].push_back({j, 1});
				}
			}
			stk.push_back(j);
		}
	}


	long long ans=0;
	for(int i = 0;i<n;i++) {
		for(int j = 0;j<m;j++) {
		sort(gdr[i][j].begin(), gdr[i][j].end());
		sort(gdc[i][j].begin(), gdc[i][j].end());
		gdr[i][j].erase(unique(gdr[i][j].begin(), gdr[i][j].end()), gdr[i][j].end());
		gdc[i][j].erase(unique(gdc[i][j].begin(), gdc[i][j].end()), gdc[i][j].end());
		if(i) {
				for(auto &[u, v]:gdr[i][j]) {
					auto it = lower_bound(gdr[i-1][j].begin(), gdr[i-1][j].end(), array<int,2>{u, 0});
					if(it!=gdr[i-1][j].end() and (*it)[0] == u) {
						v+=(*it)[1];
					}
				}
			}
			if(j) {
				for(auto &[u, v]:gdc[i][j]) {
					auto it = lower_bound(gdc[i][j-1].begin(), gdc[i][j-1].end(), array<int,2>{u, 0});
					if(it!=gdc[i][j-1].end() and (*it)[0] == u) {
						v+=(*it)[1];
					}
				}
			}
			if(i and j) {
				for(auto k:gdr[i-1][j]) {
					if(k[0] +1 == j)continue;
					for(auto k2:gdc[i][j-1]) {
						if(k2[0] +1 == i)continue;
//						cout << i << " " << j << " " << k[0] << " " <<  k2[0] << " " << k[1] << " " << k2[1] << endl;
						if(k[0] >= j - k2[1]-1 and k2[0] >= i - k[1] - 1)ans++;
					}
				}
			}
		}
	}
	return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 296272 KB Output is correct
2 Correct 41 ms 296308 KB Output is correct
3 Correct 44 ms 296272 KB Output is correct
4 Correct 45 ms 296288 KB Output is correct
5 Correct 44 ms 296276 KB Output is correct
6 Correct 44 ms 296272 KB Output is correct
7 Correct 41 ms 296276 KB Output is correct
8 Correct 40 ms 296172 KB Output is correct
9 Correct 40 ms 296272 KB Output is correct
10 Correct 40 ms 296284 KB Output is correct
11 Correct 39 ms 296272 KB Output is correct
12 Correct 40 ms 296276 KB Output is correct
13 Correct 42 ms 296280 KB Output is correct
14 Correct 40 ms 296280 KB Output is correct
15 Correct 40 ms 296308 KB Output is correct
16 Correct 39 ms 296276 KB Output is correct
17 Correct 40 ms 296276 KB Output is correct
18 Correct 41 ms 296272 KB Output is correct
19 Correct 40 ms 296272 KB Output is correct
20 Correct 44 ms 296532 KB Output is correct
21 Correct 43 ms 296236 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 296272 KB Output is correct
2 Correct 41 ms 296308 KB Output is correct
3 Correct 44 ms 296272 KB Output is correct
4 Correct 45 ms 296288 KB Output is correct
5 Correct 44 ms 296276 KB Output is correct
6 Correct 44 ms 296272 KB Output is correct
7 Correct 41 ms 296276 KB Output is correct
8 Correct 40 ms 296172 KB Output is correct
9 Correct 40 ms 296272 KB Output is correct
10 Correct 40 ms 296284 KB Output is correct
11 Correct 39 ms 296272 KB Output is correct
12 Correct 40 ms 296276 KB Output is correct
13 Correct 42 ms 296280 KB Output is correct
14 Correct 40 ms 296280 KB Output is correct
15 Correct 40 ms 296308 KB Output is correct
16 Correct 39 ms 296276 KB Output is correct
17 Correct 40 ms 296276 KB Output is correct
18 Correct 41 ms 296272 KB Output is correct
19 Correct 40 ms 296272 KB Output is correct
20 Correct 44 ms 296532 KB Output is correct
21 Correct 43 ms 296236 KB Output is correct
22 Correct 42 ms 296784 KB Output is correct
23 Correct 42 ms 296784 KB Output is correct
24 Correct 42 ms 296732 KB Output is correct
25 Correct 42 ms 296744 KB Output is correct
26 Correct 42 ms 296788 KB Output is correct
27 Correct 42 ms 296820 KB Output is correct
28 Correct 42 ms 296748 KB Output is correct
29 Correct 40 ms 296408 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 296272 KB Output is correct
2 Correct 41 ms 296308 KB Output is correct
3 Correct 44 ms 296272 KB Output is correct
4 Correct 45 ms 296288 KB Output is correct
5 Correct 44 ms 296276 KB Output is correct
6 Correct 44 ms 296272 KB Output is correct
7 Correct 41 ms 296276 KB Output is correct
8 Correct 40 ms 296172 KB Output is correct
9 Correct 40 ms 296272 KB Output is correct
10 Correct 40 ms 296284 KB Output is correct
11 Correct 39 ms 296272 KB Output is correct
12 Correct 40 ms 296276 KB Output is correct
13 Correct 42 ms 296280 KB Output is correct
14 Correct 40 ms 296280 KB Output is correct
15 Correct 40 ms 296308 KB Output is correct
16 Correct 39 ms 296276 KB Output is correct
17 Correct 42 ms 296784 KB Output is correct
18 Correct 42 ms 296784 KB Output is correct
19 Correct 42 ms 296732 KB Output is correct
20 Correct 42 ms 296744 KB Output is correct
21 Correct 42 ms 296788 KB Output is correct
22 Correct 42 ms 296820 KB Output is correct
23 Correct 42 ms 296748 KB Output is correct
24 Correct 40 ms 296408 KB Output is correct
25 Correct 40 ms 296276 KB Output is correct
26 Correct 41 ms 296272 KB Output is correct
27 Correct 40 ms 296272 KB Output is correct
28 Correct 44 ms 296532 KB Output is correct
29 Correct 43 ms 296236 KB Output is correct
30 Correct 48 ms 299932 KB Output is correct
31 Correct 47 ms 300124 KB Output is correct
32 Correct 47 ms 299996 KB Output is correct
33 Correct 47 ms 299088 KB Output is correct
34 Correct 51 ms 299600 KB Output is correct
35 Correct 51 ms 299860 KB Output is correct
36 Correct 51 ms 299600 KB Output is correct
37 Correct 50 ms 299604 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 296272 KB Output is correct
2 Correct 41 ms 296308 KB Output is correct
3 Correct 44 ms 296272 KB Output is correct
4 Correct 45 ms 296288 KB Output is correct
5 Correct 44 ms 296276 KB Output is correct
6 Correct 44 ms 296272 KB Output is correct
7 Correct 41 ms 296276 KB Output is correct
8 Correct 40 ms 296172 KB Output is correct
9 Correct 40 ms 296272 KB Output is correct
10 Correct 40 ms 296284 KB Output is correct
11 Correct 39 ms 296272 KB Output is correct
12 Correct 40 ms 296276 KB Output is correct
13 Correct 42 ms 296280 KB Output is correct
14 Correct 40 ms 296280 KB Output is correct
15 Correct 40 ms 296308 KB Output is correct
16 Correct 39 ms 296276 KB Output is correct
17 Correct 42 ms 296784 KB Output is correct
18 Correct 42 ms 296784 KB Output is correct
19 Correct 42 ms 296732 KB Output is correct
20 Correct 42 ms 296744 KB Output is correct
21 Correct 42 ms 296788 KB Output is correct
22 Correct 42 ms 296820 KB Output is correct
23 Correct 42 ms 296748 KB Output is correct
24 Correct 40 ms 296408 KB Output is correct
25 Correct 48 ms 299932 KB Output is correct
26 Correct 47 ms 300124 KB Output is correct
27 Correct 47 ms 299996 KB Output is correct
28 Correct 47 ms 299088 KB Output is correct
29 Correct 51 ms 299600 KB Output is correct
30 Correct 51 ms 299860 KB Output is correct
31 Correct 51 ms 299600 KB Output is correct
32 Correct 50 ms 299604 KB Output is correct
33 Correct 40 ms 296276 KB Output is correct
34 Correct 41 ms 296272 KB Output is correct
35 Correct 40 ms 296272 KB Output is correct
36 Correct 44 ms 296532 KB Output is correct
37 Correct 43 ms 296236 KB Output is correct
38 Correct 209 ms 338568 KB Output is correct
39 Correct 117 ms 335696 KB Output is correct
40 Correct 115 ms 335620 KB Output is correct
41 Correct 115 ms 332884 KB Output is correct
42 Correct 132 ms 343892 KB Output is correct
43 Correct 135 ms 344008 KB Output is correct
44 Correct 141 ms 344200 KB Output is correct
45 Correct 143 ms 341680 KB Output is correct
46 Correct 121 ms 331488 KB Output is correct
47 Correct 142 ms 332400 KB Output is correct
48 Correct 209 ms 337772 KB Output is correct
49 Correct 201 ms 338968 KB Output is correct
50 Correct 127 ms 317656 KB Output is correct
51 Correct 138 ms 317720 KB Output is correct
52 Correct 195 ms 337876 KB Output is correct
53 Correct 195 ms 338384 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 296688 KB Output is correct
2 Correct 53 ms 296576 KB Output is correct
3 Correct 41 ms 296788 KB Output is correct
4 Correct 41 ms 296280 KB Output is correct
5 Correct 44 ms 296784 KB Output is correct
6 Correct 45 ms 296788 KB Output is correct
7 Correct 42 ms 296880 KB Output is correct
8 Correct 42 ms 296760 KB Output is correct
9 Correct 43 ms 296804 KB Output is correct
10 Correct 43 ms 296408 KB Output is correct
11 Correct 40 ms 296620 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 296276 KB Output is correct
2 Correct 41 ms 296272 KB Output is correct
3 Correct 40 ms 296272 KB Output is correct
4 Correct 44 ms 296532 KB Output is correct
5 Correct 43 ms 296236 KB Output is correct
6 Correct 45 ms 296304 KB Output is correct
7 Correct 632 ms 501400 KB Output is correct
8 Correct 1287 ms 739452 KB Output is correct
9 Correct 1344 ms 739612 KB Output is correct
10 Correct 1309 ms 738648 KB Output is correct
11 Correct 409 ms 514660 KB Output is correct
12 Correct 675 ms 711044 KB Output is correct
13 Correct 682 ms 738384 KB Output is correct

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 296272 KB Output is correct
2 Correct 41 ms 296308 KB Output is correct
3 Correct 44 ms 296272 KB Output is correct
4 Correct 45 ms 296288 KB Output is correct
5 Correct 44 ms 296276 KB Output is correct
6 Correct 44 ms 296272 KB Output is correct
7 Correct 41 ms 296276 KB Output is correct
8 Correct 40 ms 296172 KB Output is correct
9 Correct 40 ms 296272 KB Output is correct
10 Correct 40 ms 296284 KB Output is correct
11 Correct 39 ms 296272 KB Output is correct
12 Correct 40 ms 296276 KB Output is correct
13 Correct 42 ms 296280 KB Output is correct
14 Correct 40 ms 296280 KB Output is correct
15 Correct 40 ms 296308 KB Output is correct
16 Correct 39 ms 296276 KB Output is correct
17 Correct 42 ms 296784 KB Output is correct
18 Correct 42 ms 296784 KB Output is correct
19 Correct 42 ms 296732 KB Output is correct
20 Correct 42 ms 296744 KB Output is correct
21 Correct 42 ms 296788 KB Output is correct
22 Correct 42 ms 296820 KB Output is correct
23 Correct 42 ms 296748 KB Output is correct
24 Correct 40 ms 296408 KB Output is correct
25 Correct 48 ms 299932 KB Output is correct
26 Correct 47 ms 300124 KB Output is correct
27 Correct 47 ms 299996 KB Output is correct
28 Correct 47 ms 299088 KB Output is correct
29 Correct 51 ms 299600 KB Output is correct
30 Correct 51 ms 299860 KB Output is correct
31 Correct 51 ms 299600 KB Output is correct
32 Correct 50 ms 299604 KB Output is correct
33 Correct 209 ms 338568 KB Output is correct
34 Correct 117 ms 335696 KB Output is correct
35 Correct 115 ms 335620 KB Output is correct
36 Correct 115 ms 332884 KB Output is correct
37 Correct 132 ms 343892 KB Output is correct
38 Correct 135 ms 344008 KB Output is correct
39 Correct 141 ms 344200 KB Output is correct
40 Correct 143 ms 341680 KB Output is correct
41 Correct 121 ms 331488 KB Output is correct
42 Correct 142 ms 332400 KB Output is correct
43 Correct 209 ms 337772 KB Output is correct
44 Correct 201 ms 338968 KB Output is correct
45 Correct 127 ms 317656 KB Output is correct
46 Correct 138 ms 317720 KB Output is correct
47 Correct 195 ms 337876 KB Output is correct
48 Correct 195 ms 338384 KB Output is correct
49 Correct 52 ms 296688 KB Output is correct
50 Correct 53 ms 296576 KB Output is correct
51 Correct 41 ms 296788 KB Output is correct
52 Correct 41 ms 296280 KB Output is correct
53 Correct 44 ms 296784 KB Output is correct
54 Correct 45 ms 296788 KB Output is correct
55 Correct 42 ms 296880 KB Output is correct
56 Correct 42 ms 296760 KB Output is correct
57 Correct 43 ms 296804 KB Output is correct
58 Correct 43 ms 296408 KB Output is correct
59 Correct 40 ms 296620 KB Output is correct
60 Correct 45 ms 296304 KB Output is correct
61 Correct 632 ms 501400 KB Output is correct
62 Correct 1287 ms 739452 KB Output is correct
63 Correct 1344 ms 739612 KB Output is correct
64 Correct 1309 ms 738648 KB Output is correct
65 Correct 409 ms 514660 KB Output is correct
66 Correct 675 ms 711044 KB Output is correct
67 Correct 682 ms 738384 KB Output is correct
68 Correct 40 ms 296276 KB Output is correct
69 Correct 41 ms 296272 KB Output is correct
70 Correct 40 ms 296272 KB Output is correct
71 Correct 44 ms 296532 KB Output is correct
72 Correct 43 ms 296236 KB Output is correct
73 Execution timed out 5058 ms 809636 KB Time limit exceeded
74 Halted 0 ms 0 KB -