oj.uz

답안 #926472

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
926472 2024-02-13T05:23:40 Z shmad Nautilus (BOI19_nautilus) C++17
100 / 100
 36 ms 1116 KB 
#pragma GCC optimize("O3", "unroll-loops", "Ofast") // "Ofast" 	
#pragma GCC target("avx2", "bmi", "bmi2", "lzcnt", "popcnt") 

#include <bits/stdc++.h>

//#define int long long
#define vt vector
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
#define f first
#define s second
#define dbg(x) cerr << #x << " = " << x << '\n'
#define bit(x, i) ((x) >> (i) & 1)

using namespace std;
using ll = long long;
using ld = long double;
using pii = pair<int, int>;

const int N = 500 + 5, mod = 1e9 + 7;
const ll inf = 1e18 + 7;
const ld eps = 1e-6;

ll add (ll a, ll b) {
	a += b;
	if (a < 0) a += mod;
	if (a >= mod) a -= mod;
	return a;
}

ll mul (ll a, ll b) {
	a *= b;
	if (a >= mod) a %= mod;
	return a;
}

int n, m, M;
string s;

bitset<N> dp[N], dp2[N], b[N];

void solve () {
	cin >> n >> m >> M;
	char a[n + 1][m + 1];
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= m; j++) cin >> a[i][j], dp[i][j] = b[i][j] = (a[i][j] == '.');
	}           
	cin >> s;
	s = ' ' + s;
	for (int k = 1; k <= M; k++) { 
		for (int i = 1; i <= n; i++) {
			if (s[k] == 'N') dp2[i] = dp[i + 1];
			if (s[k] == 'S') dp2[i] = dp[i - 1];
			if (s[k] == 'E') dp2[i] = dp[i] << 1;
			if (s[k] == 'W') dp2[i] = dp[i] >> 1;
			if (s[k] == '?') dp2[i] = (dp[i + 1] | dp[i - 1] | (dp[i] << 1) | (dp[i] >> 1));
    	}
    	for (int i = 1; i <= n; i++) dp[i] = (dp2[i] & b[i]);
    }
    int ans = 0;
    for (int i = 1; i <= n; i++) ans += dp[i].count();
    cout << ans;
	cout << '\n';
}

bool testcases = 0;

signed main() {
#ifdef AMIR
	freopen(".in", "r", stdin);
	freopen(".out", "w", stdout);
#endif
	cin.tie(0) -> sync_with_stdio(0);
	int test = 1;
	if (testcases) cin >> test;
	for (int cs = 1; cs <= test; cs++) {
		solve();
	}
}

Subtask #1
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct

Subtask #2
37.0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 0 ms 348 KB Output is correct

Subtask #3
34.0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 20 ms 856 KB Output is correct
23 Correct 21 ms 860 KB Output is correct
24 Correct 23 ms 1116 KB Output is correct
25 Correct 21 ms 856 KB Output is correct
26 Correct 20 ms 860 KB Output is correct
27 Correct 25 ms 860 KB Output is correct
28 Correct 26 ms 1060 KB Output is correct
29 Correct 27 ms 1012 KB Output is correct
30 Correct 25 ms 856 KB Output is correct
31 Correct 25 ms 856 KB Output is correct
32 Correct 29 ms 1060 KB Output is correct
33 Correct 30 ms 860 KB Output is correct
34 Correct 36 ms 860 KB Output is correct
35 Correct 30 ms 1040 KB Output is correct
36 Correct 29 ms 1056 KB Output is correct