제출 #345048

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
345048		limabeans	Zoo (COCI19_zoo)	C++17	0 / 110	1 ms	492 KiB

zoo

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

template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl








const int maxn = 1010;


int n, m;
string g[maxn];


bool viz[maxn][maxn];
int cc = 0;

void dfs(int x, int y, char c) {
    if (x<0 || y<0 || x>=n || y>=m) return;
    if (viz[x][y]) return;
    if (g[x][y]!=c) return;

    viz[x][y] = true;
    dfs(x-1,y,c);
    dfs(x+1,y,c);
    dfs(x,y-1,c);
    dfs(x,y+1,c);
}

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);  cout.tie(0);

    cin>>n>>m;
    for (int i=0; i<n; i++) {
	cin>>g[i];
    }


    for (int i=0; i<n; i++) {
	for (int j=0; j<m; j++) {
	    if (g[i][j]=='*') {
		continue;
	    }
	    if (!viz[i][j]) {
		cc++;
		dfs(i,j,g[i][j]);
	    }
	}
    }

    cout<<cc<<endl;    
    return 0;
}

• Subtask 1: 0 / 45
• Subtask 2: 0 / 65