Submission #1273924

#	Time	Username	Problem	Language	Result	Execution time	Memory
1273924		SmuggingSpun	Emacs (COCI20_emacs)	C++20	50 / 50	2 ms	580 KiB

emacs

#include<bits/stdc++.h>
#define taskname "A"
using namespace std;
const int lim = 105;
char a[lim][lim];
int n, m, ans = 0;
void dfs(int x, int y){
	if(x < 1 || x > n || y < 1 || y > m || a[x][y] != '*'){
		return;
	}
	a[x][y] = '.';
	dfs(x - 1, y);
	dfs(x + 1, y);
	dfs(x, y - 1);
	dfs(x, y + 1);
}
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	if(fopen(taskname".inp", "r")){
		freopen(taskname".inp", "r", stdin);
	}
	cin >> n >> m;
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= m; j++){
			cin >> a[i][j];
		}
	}
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= m; j++){
			if(a[i][j] == '*'){
				ans++;
				dfs(i, j);
			}
		}
	}
	cout << ans;
}

Compilation message (stderr)

emacs.cpp: In function 'int main()':
emacs.cpp:20:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 50 / 50