oj.uz

Submission #362959

# Submission time Handle Problem Language Result Execution time Memory
362959 2021-02-04T23:27:43 Z Kenzo_1114 Nautilus (BOI19_nautilus) C++17
100 / 100
 223 ms 748 KB 
#include<bits/stdc++.h>
using namespace std;
const int MAXN = 510;

int n, m, q;
char cur;
bitset<MAXN> dp[2][MAXN], base[MAXN];

int main ()
{
	scanf("%d %d %d", &n, &m, &q);

	for(int i = 1; i <= n; i++)
		for(int j = 1; j <= m; j++)
		{
			scanf(" %c", &cur);
			dp[0][i][j] = base[i][j] = (cur == '.');
		}

	for(int K = 1, k; K <= q; K++)
	{
		k = K & 1;
		scanf(" %c", &cur);

		for(int i = 1; i <= n; i++)
		{
			if(cur == 'N')	dp[k][i] = dp[!k][i + 1];	
			if(cur == 'E')	dp[k][i] = dp[!k][i] << 1;
			if(cur == 'S')	dp[k][i] = dp[!k][i - 1];
			if(cur == 'W')	dp[k][i] = dp[!k][i] >> 1;
			if(cur == '?')	dp[k][i] = dp[!k][i + 1] | (dp[!k][i] >> 1) | dp[!k][i - 1] | (dp[!k][i] << 1);
			dp[k][i] &= base[i];
		}
	}

	int ans = 0;
	for(int i = 1; i <= n; i++)
		ans += dp[q & 1][i].count();

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

Compilation message

nautilus.cpp: In function 'int main()':
nautilus.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 |  scanf("%d %d %d", &n, &m, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
nautilus.cpp:16:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |    scanf(" %c", &cur);
      |    ~~~~~^~~~~~~~~~~~~
nautilus.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   23 |   scanf(" %c", &cur);
      |   ~~~~~^~~~~~~~~~~~~

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 364 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 2 ms 364 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 364 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 98 ms 716 KB Output is correct
23 Correct 99 ms 620 KB Output is correct
24 Correct 98 ms 620 KB Output is correct
25 Correct 95 ms 640 KB Output is correct
26 Correct 93 ms 748 KB Output is correct
27 Correct 166 ms 716 KB Output is correct
28 Correct 167 ms 620 KB Output is correct
29 Correct 167 ms 748 KB Output is correct
30 Correct 166 ms 716 KB Output is correct
31 Correct 163 ms 620 KB Output is correct
32 Correct 217 ms 748 KB Output is correct
33 Correct 222 ms 748 KB Output is correct
34 Correct 215 ms 620 KB Output is correct
35 Correct 217 ms 620 KB Output is correct
36 Correct 223 ms 748 KB Output is correct