Submission #1101767

#	Time	Username	Problem	Language	Result	Execution time	Memory
1101767		rayan_bd	Emacs (COCI20_emacs)	C++17	50 / 50	1 ms	468 KiB

emacs

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;

typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; 


#define getar(ar,n) for(ll i=0;i<n;++i) cin>>ar[i]
#define show(n) cout<<n<<'\n'
#define all(v) v.begin(), v.end()
#define br cout<<"\n"
#define pb push_back
#define nl '\n'
#define yes cout<<"YES\n"
#define no cout<<"NO\n"
#define ret return
#define ll long long
#define ld long double
#define sza(x) ((int)x.size())

const int mxN = 105;
const ll MOD = 1e9 + 7;
const ll INF = 1e9;
const ld EPS = 1e-9;

char grid[mxN][mxN];

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

void solve() {
    ll n,m;cin>>n>>m;
    memset(grid,'.',sizeof(grid));
    string str;
    for(ll i=1;i<=n;++i){
    	cin>>str;
    	for(ll j=1;j<=m;++j){
    		grid[i][j]=str[j-1];
    	}
    }
    ll ans=0;
    for(ll i=1;i<=n;++i){
    	for(ll j=1;j<=m;++j){
    		if(grid[i][j]=='*'){
    			dfs(i,j);
    			++ans;
    		}
    	}
    }
    show(ans);
}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    solve();
    return 0;
}

• Subtask 1: 50 / 50