제출 #1151952

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1151952		thecrazycandy	Nautilus (BOI19_nautilus)	C++20	0 / 100	1 ms	328 KiB

nautilus

#include <bits/stdc++.h>
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,fma")
using namespace std;
#define sped_up ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define ll long long
const ll INF = (ll)1e9 + 1, INFL = (ll)1e18 + 1;
const ll mod = (ll)1e9 + 7, MAXN = (ll)501;
bitset <MAXN> nw[MAXN];
bitset <MAXN> bt[MAXN];
bitset <MAXN> h[MAXN];
int main () {
    sped_up;
    ll n, m, k;
    cin >> n >> m >> k;
    ll cnt = 0;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            char a;
            cin >> a;
            bt[i][j] = 1;
            if (a == '.') h[i][j] = 1;
        }
    }
    for (int i = 1; i <= k; i++) {
        char c;
        cin >> c;
        for (int j = 1; j <= n; j++) {
            if ('W' == c) nw[j] = (bt[j] >> 1);
            else if ('E' == c) nw[j] = (bt[j] << 1);
            else if ('N' == c) nw[j] = bt[j - 1];
            else if ('S' == c) nw[j] = bt[j + 1];
            else nw[j] = ((bt[j] << 1) | (bt[j] >> 1)) | (bt[j - 1] | bt[j + 1]);
            nw[j] &= h[j];
        }
        for (int j = 1; j <= n; j++) {
            bt[j] = nw[j];
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 0; j <= m; j++) {
            cnt += bt[i][j];
        }
    }
    cout << cnt;
}

• Subtask 1: 0 / 29
• Subtask 2: 0 / 37
• Subtask 3: 0 / 34