oj.uz

Submission #1023885

# Submission time Handle Problem Language Result Execution time Memory
1023885 2024-07-15T08:36:51 Z j_vdd16 Soccer Stadium (IOI23_soccer) C++17
48 / 100
 4500 ms 6748 KB 
#include <algorithm>
#include <bitset>
#include <cstdint>
#include <cstring>
#include <iostream>
#include <limits.h>
#include <math.h>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>

//#define int long long
#define loop(X, N) for(int X = 0; X < (N); X++)
#define all(V) V.begin(), V.end()
#define rall(V) V.rbegin(), V.rend()

using namespace std;

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<vector<ii>> vvii;
typedef vector<bool> vb;
typedef vector<vector<bool>> vvb;


int biggest_stadium(int n, vvi f) {
	vvi up(n, vi(n)), down(n, vi(n)), left(n, vi(n)), right(n, vi(n));
	loop(x, n) {
		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;
		}
	}
	loop(y, n) {
		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;
		}

		//loop(y, n)
		//	cout << high[x][y] << low[x][y] << ' ';

		//cout << endl;
	}
	//cout << endl;

	int result = 0;
	loop(y, n) {
		loop(x, n) {
			if (f[y][x]) {
				//cout << "00 ";
				continue;
			}

			int count1 = 0;
			{
				int l = 0, r = INT_MAX;
				vii 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 count2 = 0;
			{
				int l = 0, r = INT_MAX;
				vii intervals;
				for (int y2 = y; y2 > y - up[y][x]; y2--) {
					l = max(l, x - left[y2][x] + 1);
					r = min(r, x + right[y2][x] - 1);

					intervals.push_back({ l, r });
					count2 += r - l + 1;
				}

				l = x - left[y][x] + 1;
				r = x + right[y][x] - 1;
				for (int y2 = y + 1; y2 < y + down[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;

					count2 += r - l + 1;
				}
			}

			int count = max(count1, count2);
			result = max(result, count);
			//cout << count / 10 << count % 10 << ' ';
		}
		//cout << endl;
	}
	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 436 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 1 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Correct 0 ms 344 KB ok
7 Correct 49 ms 604 KB ok
8 Execution timed out 4552 ms 6748 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 436 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 344 KB ok
6 Correct 0 ms 348 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 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 344 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 436 KB ok
4 Correct 0 ms 348 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 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 0 ms 344 KB ok
15 Correct 0 ms 348 KB ok
16 Correct 0 ms 348 KB ok
17 Correct 0 ms 348 KB ok
18 Correct 0 ms 348 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 392 KB ok
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Correct 0 ms 436 KB ok
25 Correct 0 ms 348 KB ok
26 Correct 0 ms 348 KB ok

Subtask #4
18.0 / 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 436 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 344 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 0 ms 348 KB ok
16 Correct 0 ms 344 KB ok
17 Correct 0 ms 348 KB ok
18 Correct 0 ms 348 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 348 KB ok
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 392 KB ok
24 Correct 0 ms 348 KB ok
25 Correct 0 ms 348 KB ok
26 Correct 0 ms 436 KB ok
27 Correct 0 ms 348 KB ok
28 Correct 0 ms 348 KB ok
29 Correct 1 ms 348 KB ok
30 Correct 1 ms 348 KB ok
31 Correct 1 ms 348 KB ok
32 Correct 0 ms 348 KB ok
33 Correct 0 ms 348 KB ok
34 Correct 1 ms 344 KB ok
35 Correct 0 ms 348 KB ok
36 Correct 0 ms 348 KB ok
37 Correct 0 ms 348 KB ok
38 Correct 1 ms 348 KB ok
39 Correct 0 ms 600 KB ok
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 436 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 344 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 0 ms 348 KB ok
16 Correct 0 ms 344 KB ok
17 Correct 0 ms 348 KB ok
18 Correct 0 ms 348 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 348 KB ok
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 392 KB ok
24 Correct 0 ms 348 KB ok
25 Correct 0 ms 348 KB ok
26 Correct 0 ms 436 KB ok
27 Correct 0 ms 348 KB ok
28 Correct 0 ms 348 KB ok
29 Correct 1 ms 348 KB ok
30 Correct 1 ms 348 KB ok
31 Correct 1 ms 348 KB ok
32 Correct 0 ms 348 KB ok
33 Correct 0 ms 348 KB ok
34 Correct 1 ms 344 KB ok
35 Correct 0 ms 348 KB ok
36 Correct 0 ms 348 KB ok
37 Correct 0 ms 348 KB ok
38 Correct 1 ms 348 KB ok
39 Correct 0 ms 600 KB ok
40 Correct 1 ms 348 KB ok
41 Correct 1 ms 348 KB ok
42 Correct 142 ms 6744 KB ok
43 Correct 72 ms 6748 KB ok
44 Partially correct 3680 ms 6744 KB partial
45 Execution timed out 4563 ms 6748 KB Time limit exceeded
46 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 436 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 1 ms 348 KB ok
6 Correct 1 ms 348 KB ok
7 Correct 0 ms 344 KB ok
8 Correct 49 ms 604 KB ok
9 Execution timed out 4552 ms 6748 KB Time limit exceeded
10 Halted 0 ms 0 KB -