답안 #237570

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
237570	2020-06-07T11:24:10 Z	grt	Nautilus (BOI19_nautilus)	C++17	100 / 100	207 ms	888 KB

nautilus

#include <bits/stdc++.h>
#define PB push_back
#define ST first
#define ND second
#define _ ios_base::sync_with_stdio(0); cin.tie(0);
//mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

using namespace std;

using ll = long long;
using pi = pair<int,int>;
using vi = vector<int>;

const int nax = 502;
int r,c,m;
string s;

bitset<nax>dp[nax], mp[nax], tmp[nax];

int main() {_
	cin >> r >> c >> m;
	for(int i = 1; i <= r; ++i) {
		for(int j = 1; j <= c; ++j) {
			char t;
			cin >> t;
			if(t == '.') {
				dp[i].set(j);
				mp[i].set(j);
			}
		}
	}
	cin >> s;
	for(int i = 0; i < m; ++i) {
		if(s[i] == 'N') {
			for(int j = 1; j <= r; ++j) {
				dp[j] = (dp[j+1] & mp[j]);
			}
		} else if(s[i] == 'S') {
			for(int j = r; j >= 1; --j) {
				dp[j] = (dp[j-1] & mp[j]);
			}
		} else if(s[i] == 'W') {
			for(int j = 1; j <= r; ++j) {
				dp[j] = ((dp[j] >> 1) & mp[j]);
			}
			
		} else if(s[i] == 'E') {
			for(int j = 1; j <= r; ++j) {
				dp[j] = ((dp[j] << 1) & mp[j]);
			}
		} else {
			for(int j = 1; j <= r; ++j) {
				tmp[j] = (((dp[j] << 1) | (dp[j] >> 1) | (dp[j+1]) | (dp[j-1])) & mp[j]);
			}
			for(int j = 1; j <= r; ++j) {
				dp[j] = tmp[j];
			}
		}
	}
	int ans = 0;
	for(int i = 1; i <= r; ++i) {
		ans += dp[i].count();
	}
	cout << ans;
	
}

Subtask #1

29.0 / 29.0

#	결과	실행 시간	메모리	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	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct

Subtask #2

37.0 / 37.0

#	결과	실행 시간	메모리	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	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	6 ms	256 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	6 ms	512 KB	Output is correct
18	Correct	6 ms	384 KB	Output is correct
19	Correct	5 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

#	결과	실행 시간	메모리	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	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	6 ms	256 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	6 ms	512 KB	Output is correct
18	Correct	6 ms	384 KB	Output is correct
19	Correct	5 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	95 ms	640 KB	Output is correct
23	Correct	99 ms	632 KB	Output is correct
24	Correct	96 ms	760 KB	Output is correct
25	Correct	96 ms	740 KB	Output is correct
26	Correct	94 ms	640 KB	Output is correct
27	Correct	153 ms	640 KB	Output is correct
28	Correct	157 ms	888 KB	Output is correct
29	Correct	158 ms	640 KB	Output is correct
30	Correct	155 ms	640 KB	Output is correct
31	Correct	157 ms	720 KB	Output is correct
32	Correct	197 ms	768 KB	Output is correct
33	Correct	202 ms	760 KB	Output is correct
34	Correct	200 ms	768 KB	Output is correct
35	Correct	207 ms	760 KB	Output is correct
36	Correct	199 ms	640 KB	Output is correct