oj.uz

Submission #1037444

# Submission time Handle Problem Language Result Execution time Memory
1037444 2024-07-28T22:11:05 Z aaaaaarroz Soccer Stadium (IOI23_soccer) C++17
34.5 / 100
 4500 ms 6892 KB 
#include <bits/stdc++.h>
using namespace std;
int biggest_stadium(int n, vector<vector<int>> f) {
	vector<vector<int>> up(n, vector<int>(n)), down(n, vector<int>(n)), left(n, vector<int>(n)), right(n, vector<int>(n));
	for(int x=0;x<n;x++) {
		up[0][x] = 1 - f[0][x];
		for (int y = 1; y < n; y++) {
			if (f[y][x])
				up[y][x] = 0;
			else
				up[y][x] = up[y - 1][x] + 1;
	
		}
		down[n - 1][x] = 1 - f[n - 1][x];
		for (int y = n - 2; y >= 0; y--) {
			if (f[y][x])
				down[y][x] = 0;
			else
				down[y][x] = down[y + 1][x] + 1;
		}
	}
	for(int y=0;y<n;y++) {
		left[y][0] = 1 - f[y][0];
		for (int x = 1; x < n; x++) {
			if (f[y][x])
				left[y][x] = 0;
			else
				left[y][x] = left[y][x - 1] + 1;
	
		}
		right[y][n - 1] = 1 - f[y][n - 1];
		for (int x = n - 2; x >= 0; x--) {
			if (f[y][x])
				right[y][x] = 0;
			else
				right[y][x] = right[y][x + 1] + 1;
		}
	}
	int result = 0;
	for(int y=0;y<n;y++) {
		for(int x=0;x<n;x++) {
			if (f[y][x]) {
				continue;
			}
	
			int count1 = 0;
			int l = 0, r = INT_MAX;
			vector<pair<int,int>> intervals;
			for (int y2 = y; y2 < y + down[y][x]; y2++) {
				l = max(l, x - left[y2][x] + 1);
				r = min(r, x + right[y2][x] - 1);
	
				intervals.push_back({ l, r });
				count1 += r - l + 1;
			}
			l = x - left[y][x] + 1;
			r = x + right[y][x] - 1;
			for (int y2 = y - 1; y2 > y - up[y][x]; y2--) {
				l = max(l, x - left[y2][x] + 1);
				r = min(r, x + right[y2][x] - 1);
	
				for (auto [li, ri] : intervals) {
					if (r < ri)
						l = max(l, li);
	
					if (l > li)
						r = min(r, ri);
				}
	
				if (r < l)
					break;
	
				count1 += r - l + 1;
			}
			int count = count1;
			result = max(result, count);
		}
	}
	return result;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB ok

Subtask #1
0.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 344 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 344 KB ok
6 Correct 0 ms 520 KB ok
7 Correct 22 ms 604 KB ok
8 Execution timed out 4514 ms 6744 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 344 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 408 KB ok
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 1 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 344 KB ok
13 Correct 0 ms 348 KB ok

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB ok
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 344 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 408 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 1 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 344 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 0 ms 344 KB ok
16 Correct 0 ms 348 KB ok
17 Correct 0 ms 348 KB ok
18 Correct 0 ms 344 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 344 KB ok
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Correct 0 ms 348 KB ok
25 Correct 0 ms 348 KB ok
26 Correct 0 ms 344 KB ok

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB ok
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 344 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 344 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 408 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 1 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 0 ms 344 KB ok
16 Correct 0 ms 348 KB ok
17 Correct 0 ms 344 KB ok
18 Correct 0 ms 348 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 0 ms 344 KB ok
21 Correct 0 ms 348 KB ok
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 344 KB ok
24 Correct 0 ms 348 KB ok
25 Correct 0 ms 348 KB ok
26 Correct 0 ms 348 KB ok
27 Correct 0 ms 348 KB ok
28 Correct 0 ms 344 KB ok
29 Correct 0 ms 348 KB ok
30 Correct 1 ms 348 KB ok
31 Correct 1 ms 348 KB ok
32 Correct 0 ms 344 KB ok
33 Correct 0 ms 348 KB ok
34 Correct 0 ms 348 KB ok
35 Correct 0 ms 348 KB ok
36 Correct 0 ms 348 KB ok
37 Correct 0 ms 388 KB ok
38 Partially correct 1 ms 348 KB partial
39 Partially correct 0 ms 348 KB partial
40 Correct 1 ms 348 KB ok
41 Correct 1 ms 348 KB ok

Subtask #5
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB ok
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 344 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 344 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 408 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 1 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 0 ms 344 KB ok
16 Correct 0 ms 348 KB ok
17 Correct 0 ms 344 KB ok
18 Correct 0 ms 348 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 0 ms 344 KB ok
21 Correct 0 ms 348 KB ok
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 344 KB ok
24 Correct 0 ms 348 KB ok
25 Correct 0 ms 348 KB ok
26 Correct 0 ms 348 KB ok
27 Correct 0 ms 348 KB ok
28 Correct 0 ms 344 KB ok
29 Correct 0 ms 348 KB ok
30 Correct 1 ms 348 KB ok
31 Correct 1 ms 348 KB ok
32 Correct 0 ms 344 KB ok
33 Correct 0 ms 348 KB ok
34 Correct 0 ms 348 KB ok
35 Correct 0 ms 348 KB ok
36 Correct 0 ms 348 KB ok
37 Correct 0 ms 388 KB ok
38 Partially correct 1 ms 348 KB partial
39 Partially correct 0 ms 348 KB partial
40 Correct 1 ms 348 KB ok
41 Correct 1 ms 348 KB ok
42 Correct 78 ms 6748 KB ok
43 Correct 45 ms 6748 KB ok
44 Partially correct 1640 ms 6892 KB partial
45 Partially correct 3523 ms 6792 KB partial
46 Partially correct 193 ms 6744 KB partial
47 Execution timed out 4575 ms 6748 KB Time limit exceeded
48 Halted 0 ms 0 KB -

Subtask #6
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB ok
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 344 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 344 KB ok
7 Correct 0 ms 520 KB ok
8 Correct 22 ms 604 KB ok
9 Execution timed out 4514 ms 6744 KB Time limit exceeded
10 Halted 0 ms 0 KB -