oj.uz

Submission #153611

# Submission time Handle Problem Language Result Execution time Memory
153611 2019-09-15T01:26:00 Z myungwoo Rectangles (IOI19_rect) C++14
59 / 100
 5000 ms 896316 KB 
#include <bits/stdc++.h>
#include "rect.h"
using namespace std;

#define fr first
#define sc second
#define sz(v) ((int)(v).size())
typedef long long lld;
typedef pair<int, int> pii;

int N, M;
int A[2502][2502];
pii ver[2502][2502], hor[2502][2502];
map <int, int> verDP[2502][2502], horDP[2502][2502];

inline int get(map<int, int> &m, int x)
{
	auto it = m.find(x);
	return it == m.end() ? 0 : it->second;
}

lld count_rectangles(vector<vector<int>> a)
{
	N = sz(a); M = sz(a[0]);
	for (int i=1;i<=N;i++) for (int j=1;j<=M;j++) A[i][j] = a[i-1][j-1];
	for (int i=1;i<=N;i++){
		stack <int> stk;
		for (int j=1;j<=M;j++){
			while (!stk.empty() && A[i][stk.top()] <= A[i][j]) stk.pop();
			hor[i][j].fr = stk.empty() ? 1 : stk.top()+1;
			stk.push(j);
		}
		stk = {};
		for (int j=M;j;j--){
			while (!stk.empty() && A[i][stk.top()] <= A[i][j]) stk.pop();
			hor[i][j].sc = stk.empty() ? M : stk.top()-1;
			stk.push(j);
		}
	}
	for (int j=1;j<=M;j++){
		stack <int> stk;
		for (int i=1;i<=N;i++){
			while (!stk.empty() && A[stk.top()][j] <= A[i][j]) stk.pop();
			ver[i][j].fr = stk.empty() ? 1 : stk.top()+1;
			stk.push(i);
		}
		stk = {};
		for (int i=N;i;i--){
			while (!stk.empty() && A[stk.top()][j] <= A[i][j]) stk.pop();
			ver[i][j].sc = stk.empty() ? N : stk.top()-1;
			stk.push(i);
		}
	}
	for (int j=1;j<=M;j++) for (int i=1;i<=N;i++){
		const auto &sg = ver[i][j];
		verDP[sg.fr][sg.sc][j] = get(verDP[sg.fr][sg.sc], j-1)+1;
	}
	for (int i=1;i<=N;i++) for (int j=1;j<=M;j++){
		const auto &sg = hor[i][j];
		horDP[sg.fr][sg.sc][i] = get(horDP[sg.fr][sg.sc], i-1)+1;
	}
	set <lld> vis;
	for (int i=1;i<=N;i++) for (int j=1;j<=M;j++){
		int sy = ver[i][j].fr, ey = ver[i][j].sc;
		int sx = hor[i][j].fr, ex = hor[i][j].sc;
		if (sy == 1 || ey == N || sx == 1 || ex == M) continue;
		if (get(verDP[sy][ey], ex) <= ex-sx || get(horDP[sx][ex], ey) <= ey-sy) continue;
		lld v = (lld)((sy-1)*M+sx-1)*N*M + (ey-1)*M+ex-1;
		if (vis.count(v)) continue;
		vis.insert(v);
	}
	return sz(vis);
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 573 ms 588428 KB Output is correct
2 Correct 539 ms 588840 KB Output is correct
3 Correct 541 ms 588908 KB Output is correct
4 Correct 588 ms 588928 KB Output is correct
5 Correct 542 ms 588712 KB Output is correct
6 Correct 607 ms 588868 KB Output is correct
7 Correct 544 ms 588844 KB Output is correct
8 Correct 573 ms 588624 KB Output is correct
9 Correct 537 ms 588764 KB Output is correct
10 Correct 540 ms 589004 KB Output is correct
11 Correct 542 ms 588804 KB Output is correct
12 Correct 543 ms 588828 KB Output is correct
13 Correct 552 ms 588500 KB Output is correct
14 Correct 566 ms 588432 KB Output is correct
15 Correct 595 ms 588636 KB Output is correct
16 Correct 550 ms 588536 KB Output is correct
17 Correct 541 ms 588392 KB Output is correct
18 Correct 542 ms 588380 KB Output is correct
19 Correct 542 ms 588772 KB Output is correct
20 Correct 537 ms 588792 KB Output is correct
21 Correct 544 ms 588580 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 573 ms 588428 KB Output is correct
2 Correct 539 ms 588840 KB Output is correct
3 Correct 541 ms 588908 KB Output is correct
4 Correct 588 ms 588928 KB Output is correct
5 Correct 542 ms 588712 KB Output is correct
6 Correct 607 ms 588868 KB Output is correct
7 Correct 544 ms 588844 KB Output is correct
8 Correct 573 ms 588624 KB Output is correct
9 Correct 537 ms 588764 KB Output is correct
10 Correct 540 ms 589004 KB Output is correct
11 Correct 542 ms 588804 KB Output is correct
12 Correct 543 ms 588828 KB Output is correct
13 Correct 552 ms 588500 KB Output is correct
14 Correct 566 ms 588432 KB Output is correct
15 Correct 595 ms 588636 KB Output is correct
16 Correct 550 ms 588536 KB Output is correct
17 Correct 542 ms 590468 KB Output is correct
18 Correct 541 ms 590428 KB Output is correct
19 Correct 543 ms 590492 KB Output is correct
20 Correct 543 ms 589732 KB Output is correct
21 Correct 581 ms 590100 KB Output is correct
22 Correct 544 ms 590340 KB Output is correct
23 Correct 543 ms 590176 KB Output is correct
24 Correct 542 ms 589728 KB Output is correct
25 Correct 541 ms 588392 KB Output is correct
26 Correct 542 ms 588380 KB Output is correct
27 Correct 542 ms 588772 KB Output is correct
28 Correct 537 ms 588792 KB Output is correct
29 Correct 544 ms 588580 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 573 ms 588428 KB Output is correct
2 Correct 539 ms 588840 KB Output is correct
3 Correct 541 ms 588908 KB Output is correct
4 Correct 588 ms 588928 KB Output is correct
5 Correct 542 ms 588712 KB Output is correct
6 Correct 607 ms 588868 KB Output is correct
7 Correct 544 ms 588844 KB Output is correct
8 Correct 573 ms 588624 KB Output is correct
9 Correct 537 ms 588764 KB Output is correct
10 Correct 540 ms 589004 KB Output is correct
11 Correct 542 ms 588804 KB Output is correct
12 Correct 543 ms 588828 KB Output is correct
13 Correct 552 ms 588500 KB Output is correct
14 Correct 566 ms 588432 KB Output is correct
15 Correct 595 ms 588636 KB Output is correct
16 Correct 550 ms 588536 KB Output is correct
17 Correct 542 ms 590468 KB Output is correct
18 Correct 541 ms 590428 KB Output is correct
19 Correct 543 ms 590492 KB Output is correct
20 Correct 543 ms 589732 KB Output is correct
21 Correct 581 ms 590100 KB Output is correct
22 Correct 544 ms 590340 KB Output is correct
23 Correct 543 ms 590176 KB Output is correct
24 Correct 542 ms 589728 KB Output is correct
25 Correct 596 ms 597612 KB Output is correct
26 Correct 587 ms 597376 KB Output is correct
27 Correct 582 ms 597656 KB Output is correct
28 Correct 561 ms 593676 KB Output is correct
29 Correct 600 ms 596152 KB Output is correct
30 Correct 584 ms 596392 KB Output is correct
31 Correct 578 ms 596088 KB Output is correct
32 Correct 582 ms 595884 KB Output is correct
33 Correct 541 ms 588392 KB Output is correct
34 Correct 542 ms 588380 KB Output is correct
35 Correct 542 ms 588772 KB Output is correct
36 Correct 537 ms 588792 KB Output is correct
37 Correct 544 ms 588580 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 573 ms 588428 KB Output is correct
2 Correct 539 ms 588840 KB Output is correct
3 Correct 541 ms 588908 KB Output is correct
4 Correct 588 ms 588928 KB Output is correct
5 Correct 542 ms 588712 KB Output is correct
6 Correct 607 ms 588868 KB Output is correct
7 Correct 544 ms 588844 KB Output is correct
8 Correct 573 ms 588624 KB Output is correct
9 Correct 537 ms 588764 KB Output is correct
10 Correct 540 ms 589004 KB Output is correct
11 Correct 542 ms 588804 KB Output is correct
12 Correct 543 ms 588828 KB Output is correct
13 Correct 552 ms 588500 KB Output is correct
14 Correct 566 ms 588432 KB Output is correct
15 Correct 595 ms 588636 KB Output is correct
16 Correct 550 ms 588536 KB Output is correct
17 Correct 542 ms 590468 KB Output is correct
18 Correct 541 ms 590428 KB Output is correct
19 Correct 543 ms 590492 KB Output is correct
20 Correct 543 ms 589732 KB Output is correct
21 Correct 581 ms 590100 KB Output is correct
22 Correct 544 ms 590340 KB Output is correct
23 Correct 543 ms 590176 KB Output is correct
24 Correct 542 ms 589728 KB Output is correct
25 Correct 596 ms 597612 KB Output is correct
26 Correct 587 ms 597376 KB Output is correct
27 Correct 582 ms 597656 KB Output is correct
28 Correct 561 ms 593676 KB Output is correct
29 Correct 600 ms 596152 KB Output is correct
30 Correct 584 ms 596392 KB Output is correct
31 Correct 578 ms 596088 KB Output is correct
32 Correct 582 ms 595884 KB Output is correct
33 Correct 837 ms 656396 KB Output is correct
34 Correct 892 ms 656552 KB Output is correct
35 Correct 887 ms 656500 KB Output is correct
36 Correct 928 ms 656404 KB Output is correct
37 Correct 1298 ms 679272 KB Output is correct
38 Correct 1293 ms 679100 KB Output is correct
39 Correct 1295 ms 679144 KB Output is correct
40 Correct 1235 ms 673244 KB Output is correct
41 Correct 796 ms 622884 KB Output is correct
42 Correct 924 ms 630432 KB Output is correct
43 Correct 1369 ms 663456 KB Output is correct
44 Correct 1365 ms 664088 KB Output is correct
45 Correct 900 ms 630600 KB Output is correct
46 Correct 897 ms 626172 KB Output is correct
47 Correct 1368 ms 660356 KB Output is correct
48 Correct 1350 ms 664240 KB Output is correct
49 Correct 541 ms 588392 KB Output is correct
50 Correct 542 ms 588380 KB Output is correct
51 Correct 542 ms 588772 KB Output is correct
52 Correct 537 ms 588792 KB Output is correct
53 Correct 544 ms 588580 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 552 ms 589436 KB Output is correct
2 Correct 544 ms 589184 KB Output is correct
3 Correct 550 ms 588792 KB Output is correct
4 Correct 550 ms 588412 KB Output is correct
5 Correct 561 ms 589340 KB Output is correct
6 Correct 587 ms 589276 KB Output is correct
7 Correct 545 ms 589224 KB Output is correct
8 Correct 544 ms 589336 KB Output is correct
9 Correct 547 ms 589196 KB Output is correct
10 Correct 560 ms 588660 KB Output is correct
11 Correct 551 ms 589064 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 543 ms 588408 KB Output is correct
2 Correct 2838 ms 744336 KB Output is correct
3 Execution timed out 5147 ms 896316 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 573 ms 588428 KB Output is correct
2 Correct 539 ms 588840 KB Output is correct
3 Correct 541 ms 588908 KB Output is correct
4 Correct 588 ms 588928 KB Output is correct
5 Correct 542 ms 588712 KB Output is correct
6 Correct 607 ms 588868 KB Output is correct
7 Correct 544 ms 588844 KB Output is correct
8 Correct 573 ms 588624 KB Output is correct
9 Correct 537 ms 588764 KB Output is correct
10 Correct 540 ms 589004 KB Output is correct
11 Correct 542 ms 588804 KB Output is correct
12 Correct 543 ms 588828 KB Output is correct
13 Correct 552 ms 588500 KB Output is correct
14 Correct 566 ms 588432 KB Output is correct
15 Correct 595 ms 588636 KB Output is correct
16 Correct 550 ms 588536 KB Output is correct
17 Correct 542 ms 590468 KB Output is correct
18 Correct 541 ms 590428 KB Output is correct
19 Correct 543 ms 590492 KB Output is correct
20 Correct 543 ms 589732 KB Output is correct
21 Correct 581 ms 590100 KB Output is correct
22 Correct 544 ms 590340 KB Output is correct
23 Correct 543 ms 590176 KB Output is correct
24 Correct 542 ms 589728 KB Output is correct
25 Correct 596 ms 597612 KB Output is correct
26 Correct 587 ms 597376 KB Output is correct
27 Correct 582 ms 597656 KB Output is correct
28 Correct 561 ms 593676 KB Output is correct
29 Correct 600 ms 596152 KB Output is correct
30 Correct 584 ms 596392 KB Output is correct
31 Correct 578 ms 596088 KB Output is correct
32 Correct 582 ms 595884 KB Output is correct
33 Correct 837 ms 656396 KB Output is correct
34 Correct 892 ms 656552 KB Output is correct
35 Correct 887 ms 656500 KB Output is correct
36 Correct 928 ms 656404 KB Output is correct
37 Correct 1298 ms 679272 KB Output is correct
38 Correct 1293 ms 679100 KB Output is correct
39 Correct 1295 ms 679144 KB Output is correct
40 Correct 1235 ms 673244 KB Output is correct
41 Correct 796 ms 622884 KB Output is correct
42 Correct 924 ms 630432 KB Output is correct
43 Correct 1369 ms 663456 KB Output is correct
44 Correct 1365 ms 664088 KB Output is correct
45 Correct 900 ms 630600 KB Output is correct
46 Correct 897 ms 626172 KB Output is correct
47 Correct 1368 ms 660356 KB Output is correct
48 Correct 1350 ms 664240 KB Output is correct
49 Correct 552 ms 589436 KB Output is correct
50 Correct 544 ms 589184 KB Output is correct
51 Correct 550 ms 588792 KB Output is correct
52 Correct 550 ms 588412 KB Output is correct
53 Correct 561 ms 589340 KB Output is correct
54 Correct 587 ms 589276 KB Output is correct
55 Correct 545 ms 589224 KB Output is correct
56 Correct 544 ms 589336 KB Output is correct
57 Correct 547 ms 589196 KB Output is correct
58 Correct 560 ms 588660 KB Output is correct
59 Correct 551 ms 589064 KB Output is correct
60 Correct 543 ms 588408 KB Output is correct
61 Correct 2838 ms 744336 KB Output is correct
62 Execution timed out 5147 ms 896316 KB Time limit exceeded
63 Halted 0 ms 0 KB -