Submission #1135302

#	Time	Username	Problem	Language	Result	Execution time	Memory
1135302		mmdrzada	Nautilus (BOI19_nautilus)	C++20	0 / 100	2 ms	324 KiB

nautilus

// Nautilus

// Village
// Alphine walley


#include <bits/stdc++.h>

using namespace std;

#define vi vector<int>
#define REP(i, k) for(int i = 0 ; i < k ; i ++)
#define pb push_back
#define pii pair<int, int>
#define ll long long
#define sep ' '
#define F first
#define S second

const int N = 102;
int r, c, m;
string s[N];
string t;

pii change(pii curr, char c) {
    if (c == 'N') curr.F--;
    else if (c == 'S') curr.F++;
    if (c == 'E') curr.S++;
    if (c == 'W') curr.S--;
    return curr;
}

bool valid(int i, int j) {
    return 0 <= i && i < r && 0 <= j && j < c;
}

bool check(int i, int j) {
    if (s[i][j] == '#') return false;
    pii curr = {i, j};
    for(char c: t) {
        pii ne = change(curr, c);
        if (valid(ne.F, ne.S) && s[ne.F][ne.S] != '#') curr = ne;
        else return false;
    }
    return true;
}

void solve() {
    cin >> r >> c >> m;
    REP(i, r) cin >> s[i];
    cin >> t;
    reverse(t.begin(), t.end());
    int cnt = 0;
    REP(i, r) {
        REP(j, c) {
            if (check(i, j)) cnt++;
        }
    }
    cout << cnt << endl;
}

int32_t main() {
    
    solve();

    return 0;
}

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