Submission

Score: 0

User: Ryuthin94

Problemset: หุ่นพัง

Language: cpp

Time: 0.003 second

Submitted On: 2025-12-14 21:24:35

/*
TASK : r2_broken
LANG : C++
*/

#include <bits/stdc++.h>
using namespace std;

int n;
vector<string> grid;

int f(int r, int c)
{
    if (r >= n || c >= n || grid[r][c] == 'X' || grid[r][c] == '#')
        return 0;

    grid[r][c] = '#';
    int count = 1;

    count += f(r + 1, c);
    count += f(r, c + 1);

    return count;
}

int main()
{
    cin >> n;
    grid.resize(n);
    for (int i = 0; i < n; i++)
        cin >> grid[i];

    cout << f(0, 0);
}