Submission #346979

#	Time	Username	Problem	Language	Result	Execution time	Memory
346979		Nursik	Zoo (COCI19_zoo)	C++14	0 / 110	1 ms	384 KiB

zoo

#include <bits/stdc++.h>
 
#define f first
#define s second
#define ll long long
#define pb push_back
#define all(v) v.begin(),v.end() 
#define ld long double
#define fi first
#define se second
 
using namespace std; 
 
void data() {
	#ifdef NURS
        freopen("main.in", "r", stdin);
        freopen("main.out", "w", stdout);
    #endif	
} 
void win()
{	
	ios_base::sync_with_stdio(0),
	cin.tie(0),cout.tie(0);
}
 
int block = 400;
const ld eps = 1e-7; 
 
const int N = 3e5 + 500;
const int mod = 1e9 + 7;
const int mod2 = 998244353;
 
const ll hh = 29;
const ll hh2 = 31;

int n, m;
char a[2000][2000];
bool was[2000][2000];
bool check(int x, int y, int x2, int y2)
{
	if (was[x][y] || a[x][y] != a[x2][y2] || x < 0 || x > n || y < 0 || y > m)
		return 0;
	return 1; 
}
void dfs(int x, int y)
{
	was[x][y] = 1;
	if (check(x + 1, y, x, y))
		dfs(x + 1, y);
	if (check(x - 1, y, x, y))
		dfs(x - 1, y);
	if (check(x, y + 1, x, y))
		dfs(x, y + 1);
	if (check(x, y - 1, x , y))
		dfs(x, y - 1);
}
main()
{
	data();              
	win();             
	cin >> n >> m;
	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= m; j++)
		{
			cin >> a[i][j];
		}
	}
	int ans = 0;
	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= m; j++)
		{
			if (!was[i][j] && a[i][j] != '*')
			{
				dfs(i, j);
				ans++;
			}
		}
	}
	cout << ans;
}
/*
Если я солью, то я обязательно затащю
*/

Compilation message (stderr)

zoo.cpp:57:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   57 | main()
      |      ^

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