func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MN = 100011;   const int inf = 1e9 + 7;   int n, m;   char c[1000][1000];   int main() {     ios ::sync_with_stdio(0);     cin.tie(0);     cin >> n >> m;     for (int i = (1), _b = (n); i <= _b; ++i)       for (int j = (1), _b = (m); j <= _b; ++j) cin >> c[i][j];     long long res = 0, ok = 0;     for (int i = (1), _b = (m); i <= _b; ++i) {       if (c[n][i] ==  B ) {         if (!ok) res++;         ok = 1;       } else         ok = 0;     }     cout << res;     return 0;   }   