oj.uz

답안 #493801

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
493801 2021-12-13T03:03:01 Z Haruto810198 Nautilus (BOI19_nautilus) C++17
66 / 100
 1000 ms 9668 KB 
#include <bits/stdc++.h>

using namespace std;

#define int long long
#define double long double

#define FOR(i, l, r, d) for(int i=(l); i<=(r); i+=(d))
#define szof(x) ((int)(x).size())

#define vi vector<int>
#define pii pair<int, int>

#define F first
#define S second

#define pb push_back
#define eb emplace_back
#define mkp make_pair

const int INF = INT_MAX;
const int LNF = INF*INF;
const int MOD = 1000000007;
const int mod = 998244353;
const double eps = 1e-12;

#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")

const int MAX = 5010;

int r, c, m;
string str;
vector<bitset<MAX>> arr(MAX), dp(MAX), newdp(MAX);
int res;

signed main(){
	
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	
	cin>>r>>c>>m;
	FOR(i, 1, r, 1){
		FOR(j, 1, c, 1){
			char ch;
			cin>>ch;
			if(ch == '.') dp[i][c+1-j] = arr[i][c+1-j] = 1;
		}
	}

	cin>>str;
	for(char ch : str){
		
		FOR(i, 1, r, 1){
			newdp[i].reset();
		}
		
		if(ch == 'N'){
			FOR(i, 1, r-1, 1){
				newdp[i] |= dp[i+1] & arr[i];
			}
		}
		if(ch == 'S'){
			FOR(i, 2, r, 1){
				newdp[i] |= dp[i-1] & arr[i];
			}
		}
		if(ch == 'E'){
			FOR(i, 1, r, 1){
				newdp[i] |= (dp[i] >> 1) & arr[i];
			}
		}
		if(ch == 'W'){
			FOR(i, 1, r, 1){
				newdp[i] |= (dp[i] << 1) & arr[i];
			}
		}
		
		if(ch == '?'){
			newdp[1] |= dp[2] & arr[1];
			FOR(i, 2, r-1, 1){
				newdp[i] |= (dp[i-1] | dp[i+1]) & arr[i];
			}
			newdp[r] |= dp[r-1] & arr[r];
			
			FOR(i, 1, r, 1){
				newdp[i] |= ((dp[i] >> 1) | (dp[i] << 1)) & arr[i];
			}
		}
		
		swap(dp, newdp);
				
	}

	FOR(i, 1, r, 1){
		FOR(j, 1, c, 1){
			res += dp[i][j];
		}
	}

	cout<<res<<'\n';
	
	return 0;

}

Subtask #1
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 9548 KB Output is correct
2 Correct 6 ms 9548 KB Output is correct
3 Correct 5 ms 9548 KB Output is correct
4 Correct 6 ms 9548 KB Output is correct
5 Correct 5 ms 9548 KB Output is correct
6 Correct 6 ms 9548 KB Output is correct

Subtask #2
37.0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 9548 KB Output is correct
2 Correct 6 ms 9548 KB Output is correct
3 Correct 5 ms 9548 KB Output is correct
4 Correct 6 ms 9548 KB Output is correct
5 Correct 5 ms 9548 KB Output is correct
6 Correct 6 ms 9548 KB Output is correct
7 Correct 8 ms 9548 KB Output is correct
8 Correct 8 ms 9548 KB Output is correct
9 Correct 7 ms 9548 KB Output is correct
10 Correct 8 ms 9584 KB Output is correct
11 Correct 7 ms 9548 KB Output is correct
12 Correct 9 ms 9548 KB Output is correct
13 Correct 9 ms 9548 KB Output is correct
14 Correct 13 ms 9548 KB Output is correct
15 Correct 9 ms 9548 KB Output is correct
16 Correct 8 ms 9548 KB Output is correct
17 Correct 9 ms 9548 KB Output is correct
18 Correct 9 ms 9548 KB Output is correct
19 Correct 10 ms 9540 KB Output is correct
20 Correct 10 ms 9548 KB Output is correct
21 Correct 10 ms 9548 KB Output is correct

Subtask #3
0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 9548 KB Output is correct
2 Correct 6 ms 9548 KB Output is correct
3 Correct 5 ms 9548 KB Output is correct
4 Correct 6 ms 9548 KB Output is correct
5 Correct 5 ms 9548 KB Output is correct
6 Correct 6 ms 9548 KB Output is correct
7 Correct 8 ms 9548 KB Output is correct
8 Correct 8 ms 9548 KB Output is correct
9 Correct 7 ms 9548 KB Output is correct
10 Correct 8 ms 9584 KB Output is correct
11 Correct 7 ms 9548 KB Output is correct
12 Correct 9 ms 9548 KB Output is correct
13 Correct 9 ms 9548 KB Output is correct
14 Correct 13 ms 9548 KB Output is correct
15 Correct 9 ms 9548 KB Output is correct
16 Correct 8 ms 9548 KB Output is correct
17 Correct 9 ms 9548 KB Output is correct
18 Correct 9 ms 9548 KB Output is correct
19 Correct 10 ms 9540 KB Output is correct
20 Correct 10 ms 9548 KB Output is correct
21 Correct 10 ms 9548 KB Output is correct
22 Correct 776 ms 9616 KB Output is correct
23 Correct 809 ms 9628 KB Output is correct
24 Correct 782 ms 9668 KB Output is correct
25 Correct 825 ms 9624 KB Output is correct
26 Correct 818 ms 9624 KB Output is correct
27 Execution timed out 1096 ms 9548 KB Time limit exceeded
28 Halted 0 ms 0 KB -