oj.uz

답안 #604493

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
604493 2022-07-25T07:01:07 Z tutis L-triominoes (CEOI21_ltriominoes) C++17
10 / 100
 8000 ms 463644 KB 
/*input
2 3 0

*/

#pragma GCC optimize ("O3")
#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
template <typename T>
using oset = tree<T,  null_type,  less<T>,  rb_tree_tag,  tree_order_statistics_node_update>;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int W, H, K;
	cin >> W >> H >> K;
	map<int, int>A;
	while (K--)
	{
		int x, y;
		cin >> x >> y;
		if (A.count(y) == 0)
			A[y] = 0;
		A[y] |= 1 << (x - 1);
	}
	bitset < 1 << 13 > gal;
	gal[(1 << W) - 1] = true;
	vector<int>X[1 << 13];
	for (int i = 1; i <= H; i++)
	{
		bitset < 1 << 13 > gal_;
		int msk = 0;
		function<void(int, int, int)>dfs = [&](int i, int m1, int m2)
		{
			if (i == W - 1)
			{
				if (m1 == (1 << W) - 1)
					X[msk].push_back(m2);
				return;
			}
			for (int da : {0, 1})
			{
				for (int db : {0, 1})
				{
					int m[2] = {m1, m2};
					bool ok = true;
					for (int dx : {0, 1})
					{
						for (int dy : {0, 1})
						{
							if (dx == da && dy == db)
								continue;
							if ((m[dx] & (1 << (i + dy))) != 0)
								ok = false;
							m[dx] |= 1 << (i + dy);
						}
					}
					if (ok)
						dfs(i + 1, m[0], m[1]);
				}
			}
			dfs(i + 1, m1, m2);
		};
		for (msk = 0; msk < (1 << W); msk++)
			if (gal[msk])
			{
				if (X[msk].empty())
					dfs(0, msk, 0);
				for (int msk1 : X[msk])
					if ((msk1 & A[i]) == 0)
						gal_[msk1 | A[i]] = true;
			}
		gal = gal_;
	}
	if (gal[(1 << W) - 1])
		cout << "YES\n";
	else
		cout << "NO\n";
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 122 ms 692 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 7 ms 468 KB Output is correct
11 Correct 225 ms 748 KB Output is correct
12 Correct 13 ms 604 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 59 ms 632 KB Output is correct
16 Correct 2714 ms 2240 KB Output is correct
17 Correct 169 ms 596 KB Output is correct
18 Correct 971 ms 1132 KB Output is correct
19 Correct 9 ms 468 KB Output is correct
20 Correct 3032 ms 2344 KB Output is correct
21 Correct 1024 ms 1356 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 7 ms 540 KB Output is correct
24 Correct 2 ms 468 KB Output is correct
25 Correct 3592 ms 2320 KB Output is correct
26 Correct 3623 ms 2120 KB Output is correct
27 Correct 2 ms 468 KB Output is correct

Subtask #2
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 8063 ms 9056 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 8089 ms 463644 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 8101 ms 117568 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 8087 ms 9580 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 122 ms 692 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 7 ms 468 KB Output is correct
11 Correct 225 ms 748 KB Output is correct
12 Correct 13 ms 604 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 59 ms 632 KB Output is correct
16 Correct 2714 ms 2240 KB Output is correct
17 Correct 169 ms 596 KB Output is correct
18 Correct 971 ms 1132 KB Output is correct
19 Correct 9 ms 468 KB Output is correct
20 Correct 3032 ms 2344 KB Output is correct
21 Correct 1024 ms 1356 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 7 ms 540 KB Output is correct
24 Correct 2 ms 468 KB Output is correct
25 Correct 3592 ms 2320 KB Output is correct
26 Correct 3623 ms 2120 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Execution timed out 8063 ms 9056 KB Time limit exceeded
29 Halted 0 ms 0 KB -