답안 #209243

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
209243	2020-03-13T13:19:34 Z	bensonlzl	Nautilus (BOI19_nautilus)	C++14	100 / 100	225 ms	888 KB

nautilus

#include <bits/stdc++.h>

using namespace std;

bitset<505> bs[2][505];
bitset<505> grid[505];


string s;

int R, C, L;

char x;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cin >> R >> C >> L;
	for (int i = 1; i <= R; ++i){
		for (int j = 1; j <= C; ++j){
			cin >> x;
			if (x == '.'){
				bs[0][i][j] = 1;
				grid[i][j] = 1;
			}
			else grid[i][j] = bs[0][i][j] = 0;
		}
	}
	cin >> s;
	
	for (int a = 1; a <= L; ++a){
		if (s[a-1] == 'W'){
			for (int i = 1; i <= R; ++i){
				bs[a&1][i] = (bs[(a-1)&1][i] >> 1) & (grid[i]); 
			} 
		}
		if (s[a-1] == 'E'){
			for (int i = 1; i <= R; ++i){
				bs[a&1][i] = (bs[(a-1)&1][i] << 1) & (grid[i]);
			} 
		}
		if (s[a-1] == 'N'){
			for (int i = 1; i <= R; ++i){
				bs[a&1][i] = bs[(a-1)&1][i+1] & (grid[i]);
			} 
		}
		if (s[a-1] == 'S'){
			for (int i = 1; i <= R; ++i){
				bs[a&1][i] = bs[(a-1)&1][i-1] & (grid[i]);
			} 
		}
		if (s[a-1] == '?'){
			for (int i = 1; i <= R; ++i){
				bs[a&1][i] = (bs[(a-1)&1][i-1] | bs[(a-1)&1][i+1] | (bs[(a-1)&1][i] << 1) | (bs[(a-1)&1][i] >> 1)) & (grid[i]);
			} 
		}
	}
	int sum = 0;
	for (int i = 1; i <= R; ++i){
		for (int j = 1; j <= C; ++j){
			if (!grid[i][j]) continue;
			sum += bs[L&1][i][j];
		}
	}
	cout << sum << '\n';
}

Subtask #1

29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	6 ms	376 KB	Output is correct
5	Correct	6 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct

Subtask #2

37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	6 ms	376 KB	Output is correct
5	Correct	6 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	6 ms	376 KB	Output is correct
12	Correct	6 ms	376 KB	Output is correct
13	Correct	6 ms	376 KB	Output is correct
14	Correct	6 ms	376 KB	Output is correct
15	Correct	6 ms	376 KB	Output is correct
16	Correct	6 ms	376 KB	Output is correct
17	Correct	6 ms	504 KB	Output is correct
18	Correct	6 ms	380 KB	Output is correct
19	Correct	6 ms	376 KB	Output is correct
20	Correct	6 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct

Subtask #3

34.0 / 34.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	6 ms	376 KB	Output is correct
5	Correct	6 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	6 ms	376 KB	Output is correct
12	Correct	6 ms	376 KB	Output is correct
13	Correct	6 ms	376 KB	Output is correct
14	Correct	6 ms	376 KB	Output is correct
15	Correct	6 ms	376 KB	Output is correct
16	Correct	6 ms	376 KB	Output is correct
17	Correct	6 ms	504 KB	Output is correct
18	Correct	6 ms	380 KB	Output is correct
19	Correct	6 ms	376 KB	Output is correct
20	Correct	6 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct
22	Correct	107 ms	740 KB	Output is correct
23	Correct	107 ms	632 KB	Output is correct
24	Correct	103 ms	632 KB	Output is correct
25	Correct	103 ms	740 KB	Output is correct
26	Correct	101 ms	740 KB	Output is correct
27	Correct	165 ms	632 KB	Output is correct
28	Correct	171 ms	632 KB	Output is correct
29	Correct	170 ms	760 KB	Output is correct
30	Correct	176 ms	632 KB	Output is correct
31	Correct	171 ms	632 KB	Output is correct
32	Correct	220 ms	764 KB	Output is correct
33	Correct	217 ms	632 KB	Output is correct
34	Correct	225 ms	652 KB	Output is correct
35	Correct	221 ms	888 KB	Output is correct
36	Correct	216 ms	632 KB	Output is correct