Submission #1151549

#	Time	Username	Problem	Language	Result	Execution time	Memory
1151549		thecrazycandy	Nautilus (BOI19_nautilus)	C++20	29 / 100	2 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)101;
bool used[MAXN][MAXN];
char a[MAXN][MAXN];
char s[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++) {
            cin >> a[i][j];
        }
    }
    for (int i = 1; i <= k; i++) {
        cin >> s[i];
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            ll no = 0;
            ll x = j, y = i;
            if (a[y][x] == '#') continue;
            for (int l = 1; l <= k; l++) {
                if (s[l] == 'N') y--;
                if (s[l] == 'S') y++;
                if (s[l] == 'W') x--;
                if (s[l] == 'E') x++;
                if (1 > y || y > n || 1 > x || x > m || a[y][x] == '#') {
                    no = 1;
                    break;
                }
            }
            if (no == 0) {
                if (used[y][x] == 0) cnt++;
                used[y][x] = 1;
            }
        }
    }
    cout << cnt;
}

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