oj.uz

Submission #590275

# Submission time Handle Problem Language Result Execution time Memory
590275 2022-07-05T17:42:28 Z blue Snake Escaping (JOI18_snake_escaping) C++17
5 / 100
 2000 ms 18912 KB 
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

using vi = vector<int>;
#define sz(x) int(x.size())

int main()
{
	int L, Q;
	cin >> L >> Q;

	vi A((1<<L));
	for(int i = 0; i < (1<<L); i++)
	{
		char c;
		cin >> c;
		A[i] = c - '0';
	}

	vi lowersum = A;
	vi uppersum = A;

	for(int b = 0; b < L; b++)
	{
		for(int i = 0; i < (1<<L); i++)
		{
			if(i & (1<<b))
				lowersum[i] += lowersum[i ^ (1<<b)];
			else
				uppersum[i] += uppersum[i ^ (1<<b)];
		}
	}

	vi getbit((1<<L));
	for(int i = 0; i < L; i++)
		getbit[(1<<i)] = i;

	for(int j = 0; j < Q; j++)
	{
		vi p0, p1, pq;

		int onemask = 0;

		for(int b = L-1; b >= 0; b--)
		{
			char c;
			cin >> c;

			if(c == '0')
				p0.push_back(b);
			else if(c == '1')
			{
				p1.push_back(b);
				onemask += (1<<b);
			}
			else
				pq.push_back(b);
		}

		int res = 0;


		if(sz(pq) <= 10)
		{
			vi ssum((1 << sz(pq)), 0);
			for(int m = 1; m < (1<<sz(pq)); m++)
				ssum[m] = ssum[m - (m&-m)] + (1 << pq[getbit[m&-m]]);

			for(int m = 0; m < (1<<sz(pq)); m++)
				res += A[onemask | ssum[m]];
		}

		// cerr << test << ' ' << mask << '\n';

		cout << res << '\n';
	}
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 212 KB Output is correct
2 Correct 3 ms 212 KB Output is correct
3 Correct 3 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 4 ms 212 KB Output is correct
8 Correct 6 ms 328 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 4 ms 212 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 212 KB Output is correct
2 Correct 3 ms 212 KB Output is correct
3 Correct 3 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 4 ms 212 KB Output is correct
8 Correct 6 ms 328 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 4 ms 212 KB Output is correct
11 Execution timed out 2050 ms 4632 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 212 KB Output is correct
2 Correct 3 ms 212 KB Output is correct
3 Correct 3 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 4 ms 212 KB Output is correct
8 Correct 6 ms 328 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 4 ms 212 KB Output is correct
11 Execution timed out 2050 ms 4632 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 212 KB Output is correct
2 Correct 3 ms 212 KB Output is correct
3 Correct 3 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 4 ms 212 KB Output is correct
8 Correct 6 ms 328 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 4 ms 212 KB Output is correct
11 Correct 527 ms 17660 KB Output is correct
12 Incorrect 303 ms 18912 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 212 KB Output is correct
2 Correct 3 ms 212 KB Output is correct
3 Correct 3 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 4 ms 212 KB Output is correct
8 Correct 6 ms 328 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 4 ms 212 KB Output is correct
11 Execution timed out 2050 ms 4632 KB Time limit exceeded
12 Halted 0 ms 0 KB -