Submission #1190572

#	Time	Username	Problem	Language	Result	Execution time	Memory
1190572		emil_aliyevv	Nautilus (BOI19_nautilus)	C++20	29 / 100	2 ms	328 KiB

nautilus

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "bits/stdc++.h"
#define int long long
#define endl '\n'
#define Bismillah ios_base::sync_with_stdio(0);cin.tie(0);
#define indexed_set tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>
using namespace std;
using namespace __gnu_pbds;

const int N = 1e5 + 7;
const int INF = 1e18;
const int MOD = 998244353;

int n , m , k;
char a[507][507];
string s;

signed main()
{
    Bismillah;
    // freopen("closing.in", "r", stdin);
    // freopen("closing.out", "w", stdout);
    cin >> n >> m >> k;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= m; j++)
        {
            cin >> a[i][j];
        }
    }
    cin >> s;
    int res = 0;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= m; j++)
        {
            if(a[i][j] == '#') continue;
            int x = i , y = j;
            int yol = 0;
            int sz = 0;
            while(sz < k && x >= 1 && x <= n && y >= 1 && y <= m && a[x][y] == '.')
            {
                if(s[sz] == 'N')
                {
                    x--;
                    sz++;
                    yol++;
                }
                else if(s[sz] == 'E')
                {
                    y++;
                    sz++;
                    yol++;
                }
                else if(s[sz] == 'S')
                {
                    x++;
                    sz++;
                    yol++;
                }
                else{
                    y--;
                    sz++;
                    yol++;
                }
            }
            if(yol == k) res++;
        }
    }
    cout << res << endl;
}

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