제출 #440441

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
440441		colossal_pepe	Emacs (COCI20_emacs)	C++17	50 / 50	2 ms	460 KiB

emacs

#include <iostream>
#include <cstring>
using namespace std;

int n, m;
char grid[105][105];
bool visited[105][105];

void dfs(int i, int j) {
    if (visited[i][j]) return;
    visited[i][j] = 1;
    if (grid[i - 1][j] == '*') dfs(i - 1, j);
    if (grid[i + 1][j] == '*') dfs(i + 1, j);
    if (grid[i][j - 1] == '*') dfs(i, j - 1);
    if (grid[i][j + 1] == '*') dfs(i, j + 1);
}

int main() {
    memset(grid, '.', sizeof(grid));
    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            cin >> grid[i][j];
        }
    }
    int ans = 0;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            if (grid[i][j] == '*' and not visited[i][j]) {
                dfs(i, j);
                ans++;
            }
        }
    }
    cout << ans << endl;
    return 0;
}

• Subtask 1: 50 / 50