제출 #440490

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
440490		MahfuzAhmed	Emacs (COCI20_emacs)	C++14	50 / 50	1 ms	344 KiB

emacs

/**
 *  author: mahfuzz
 *  created: 02.07.2021
**/
 
#include <bits/stdc++.h>
using namespace std;
#define debug(x) cout << '>' << #x << ':' << x << endl;
#define all(p) p.begin(),p.end()
typedef long long ll;

const int maxn = 200;

int mat[maxn][maxn];

int x[] = {0, 0, -1, 1};
int y[] = {-1, 1, 0, 0};
 
int main(int argc, char* argv[]){
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr);
	
    int n, m; cin >> n >> m;
    
    char grid[n + 1][m + 1];
    
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            cin >> grid[i][j];
        }
    }
    
    int cnt = 0;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            if(grid[i][j] == '*'){
                bool flag = false;
                for(int k = 0; k < 4 && !flag; k++){
                    int xx = i + x[k];
                    int yy = j + y[k];
                    
                    if(mat[xx][yy] != 0){
                        mat[i][j] = mat[xx][yy];
                        flag = true;
                    }
                    
                }
                
                if(!flag){
                    ++cnt;
                    mat[i][j] = cnt;
                }
            }
        }
    }
    cout << cnt << "\n";
    
    return 0;
}

• Subtask 1: 50 / 50