Submission #238061

#	Time	Username	Problem	Language	Result	Execution time	Memory
238061		Haunted_Cpp	Emacs (COCI20_emacs)	C++17	50 / 50	6 ms	384 KiB

emacs

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

const int N = 1e2 + 5;

char g [N][N];

const int dr[] = {+1, -1, +0, +0};
const int dc[] = {+0, +0, -1, +1};

int r, c, res = 0;

void dfs (int linha, int coluna) {
  if (linha < 0 || linha >= r || coluna < 0 || coluna >= c) return;
  if (g[linha][coluna] == '.') return;
  g[linha][coluna] = '.';
  for (int i = 0; i < 4; i++) dfs (linha + dr[i], coluna + dc[i]);
}

int main () {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cin >> r >> c;
  for (int i = 0; i < r; i++) {
    for (int j = 0; j < c; j++) {
      cin >> g[i][j];
    }
  }
  for (int i = 0; i < r; i++) {
    for (int j = 0; j < c; j++) {
      if (g[i][j] == '*') {
        ++res;
        dfs (i, j);
      }
    }
  }
  cout << res << '\n';
  return 0;
}

• Subtask 1: 50 / 50