oj.uz

Submission #227010

# Submission time Handle Problem Language Result Execution time Memory
227010 2020-04-25T20:54:26 Z luciocf Nautilus (BOI19_nautilus) C++14
100 / 100
 255 ms 1016 KB 
#include <bits/stdc++.h>

using namespace std;

const int maxn = 510;
const int maxm = 5e3+10;

bitset<maxn> bs[maxn], ant[maxn], mark[maxn];

char tab[maxn][maxn];
char s[maxm];

int main(void)
{
	int a, b, m;
	scanf("%d %d %d", &a, &b, &m);

	for (int i = 1; i <= a; i++)
	{
		for (int j = 1; j <= b; j++)
		{
			scanf(" %c", &tab[i][j]);

			if (tab[i][j] == '.')
			{
				mark[i][b-j+1] = 1;
				ant[i][b-j+1] = 1;
			}
		}
	}

	for (int i = 1; i <= m; i++)
		scanf(" %c", &s[i]);

	for (int p = 1; p <= m; p++)
	{
		for (int i = 1; i <= a; i++)
		{
			if (s[p] == 'N')
			{
				bs[i] = (ant[i+1] & mark[i]);
			}
			else if (s[p] == 'E')
			{
				bs[i] = ((ant[i] >> 1) & mark[i]);
			}
			else if (s[p] == 'S')
			{
				bs[i] = (ant[i-1] & mark[i]);
			}
			else if (s[p] == 'W')
			{
				bs[i] = ((ant[i] << 1) & mark[i]);
			}
			else
			{
				bs[i] = ((ant[i+1] | ant[i-1] | (ant[i] >> 1) | (ant[i] << 1)) & mark[i]);
			}
		}

		if (p != m)
			for (int i = 1; i <= a; i++)
				swap(bs[i], ant[i]);
	}

	int ans = 0;

	for (int i = 1; i <= a; i++)
		ans += bs[i].count();

	printf("%d\n", ans);
}

Compilation message

nautilus.cpp: In function 'int main()':
nautilus.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &a, &b, &m);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
nautilus.cpp:22:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf(" %c", &tab[i][j]);
    ~~~~~^~~~~~~~~~~~~~~~~~~
nautilus.cpp:33:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %c", &s[i]);
   ~~~~~^~~~~~~~~~~~~~

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 6 ms 384 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 6 ms 384 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 6 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 6 ms 384 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 6 ms 384 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 6 ms 384 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 6 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 6 ms 384 KB Output is correct
22 Correct 128 ms 712 KB Output is correct
23 Correct 128 ms 896 KB Output is correct
24 Correct 128 ms 896 KB Output is correct
25 Correct 126 ms 996 KB Output is correct
26 Correct 125 ms 896 KB Output is correct
27 Correct 195 ms 992 KB Output is correct
28 Correct 196 ms 1016 KB Output is correct
29 Correct 194 ms 964 KB Output is correct
30 Correct 196 ms 972 KB Output is correct
31 Correct 195 ms 896 KB Output is correct
32 Correct 255 ms 896 KB Output is correct
33 Correct 245 ms 896 KB Output is correct
34 Correct 249 ms 1016 KB Output is correct
35 Correct 252 ms 1016 KB Output is correct
36 Correct 246 ms 896 KB Output is correct