#include<bits/stdc++.h>
#define int long long
using namespace std;
char g[1005][1005];
bool vis[1005][1005];
int n,m;
queue<pair<int,int>>q;
pair<int,int>mv[4]={{0,1},{0,-1},{1,0},{-1,0}};
void bfs(int i,int j)
{
q.push({i,j});
while(!q.empty())
{
int i1=q.front().first;
int j1=q.front().second;
q.pop();
vis[i1][j1]=1;
for(int k=0;k<4;k++)
{
int i2=i1+mv[k].first;
int j2=j1+mv[k].second;
if(i2>=0&&i2<n&&j2>=0&&j2<m)
{
if(!vis[i2][j2]&&g[i2][j2]==g[i][j])q.push({i2,j2});
}
}
}
}
signed main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin>>n>>m;
for(int i=0;i<n;i++)
{
for(int j=0;j<m;j++)cin>>g[i][j];
}
int ans=0;
for(int i=0;i<n;i++)
{
for(int j=0;j<m;j++)
{
if(!vis[i][j])
{
if(g[i][j]!='*')
{
ans++;
bfs(i,j);
}
}
}
}
cout<<ans<<'\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |