Submission #646100

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
646100	2022-09-28T16:11:04 Z	dozer	Nautilus (BOI19_nautilus)	C++14	66 / 100	26 ms	1876 KB

nautilus

#include <bits/stdc++.h>
using namespace std;
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define sp " "
#define endl "\n"
#define pb push_back
#define pii pair<int, int>
#define st first
#define nd second
#define N 105

int arr[N][N], s[N], done[N][N];

int32_t main()
{
	fastio();

	pii dir[] = {{-1, 0}, {0, 1}, {1, 0}, {0, -1}};
	map<char, int> val;
	val['N'] = 0, val['E'] = 1, val['S'] = 2, val['W'] = 3, val['?'] = 4;
	int r, c, m;
	cin>>r>>c>>m;
	vector<pii> curr;
	for (int i = 1; i <= r; i++)
	{
		for (int j = 1; j <= c; j++)
		{
			char tmp;
			cin>>tmp;
			if (tmp == '.') arr[i][j] = 1, curr.pb({i, j});
		}
	}

	for (int i = 1; i <= m; i++)
	{
		char tmp;
		cin>>tmp;
		s[i] = val[tmp];
	}

	for (int i = 1; i <= m; i++)
	{
		//cout<<curr.size()<<endl;
		vector<pii> tmp;
		for (auto j : curr)
		{
			int x = j.st, y = j.nd;
			int k = s[i];
			if (k == 4)
			{
				for (auto l : dir)
				{
					int a = x + l.st, b = y + l.nd;
					if (arr[a][b] == 1 && done[a][b] < i + 1)
					{
						done[a][b] = i + 1;
						tmp.pb({a, b});
					}
				}
			}
			else
			{
				pii l = dir[k];
				int a = x + l.st, b = y + l.nd;
				if (arr[a][b] == 1 && done[a][b] < i + 1)
				{
					done[a][b] = i + 1;
					tmp.pb({a, b});
				}
			}
		}
		curr = tmp;
	}

	cout<<curr.size()<<endl;

	cerr<<"time taken : "<<(float)clock() / CLOCKS_PER_SEC<<"seconds\n";
}

Subtask #1

29.0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	13 ms	644 KB	Output is correct
2	Correct	2 ms	596 KB	Output is correct
3	Correct	1 ms	460 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	324 KB	Output is correct

Subtask #2

37.0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	13 ms	644 KB	Output is correct
2	Correct	2 ms	596 KB	Output is correct
3	Correct	1 ms	460 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	324 KB	Output is correct
7	Correct	14 ms	644 KB	Output is correct
8	Correct	5 ms	468 KB	Output is correct
9	Correct	2 ms	456 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	18 ms	720 KB	Output is correct
13	Correct	20 ms	604 KB	Output is correct
14	Correct	17 ms	468 KB	Output is correct
15	Correct	2 ms	468 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	18 ms	724 KB	Output is correct
18	Correct	26 ms	612 KB	Output is correct
19	Correct	13 ms	468 KB	Output is correct
20	Correct	4 ms	468 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct

Subtask #3

0 / 34.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	13 ms	644 KB	Output is correct
2	Correct	2 ms	596 KB	Output is correct
3	Correct	1 ms	460 KB	Output is correct
4	Correct	1 ms	468 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	324 KB	Output is correct
7	Correct	14 ms	644 KB	Output is correct
8	Correct	5 ms	468 KB	Output is correct
9	Correct	2 ms	456 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	18 ms	720 KB	Output is correct
13	Correct	20 ms	604 KB	Output is correct
14	Correct	17 ms	468 KB	Output is correct
15	Correct	2 ms	468 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	18 ms	724 KB	Output is correct
18	Correct	26 ms	612 KB	Output is correct
19	Correct	13 ms	468 KB	Output is correct
20	Correct	4 ms	468 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Runtime error	2 ms	1876 KB	Execution killed with signal 11
23	Halted	0 ms	0 KB	-