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## Re:求改错= =，到底哪里错了我，我的逻辑有问题吗，怎么都不对呢

Posted by wellgeek123 at 2022-01-28 02:07:35 on Problem 2386
In Reply To:求改错= =，到底哪里错了我，我的逻辑有问题吗，怎么都不对呢 Posted by:Saleed at 2016-07-29 21:44:01
```> //POJ 2386 lake counting
>
> #include<iostream>
> using namespace std;
> char field[200][200];
> int dfs(int i,int j);
> int row,col;
> int main(){
> 	cin>>row>>col;
> 	for(int i=0;i<row;i++){
> 		for(int j=0;j<col;j++){
> 			cin>>field[i][j];
> 		}
> 	}
> 	int time=0;
> 	for(int i=0;i<row;i++){
> 		for(int j=0;j<col;j++){
> 			if(dfs(i,j)) time++;
> 		}
> 	}
> 	cout<<time<<endl;
>
> }
> int dfs(int i,int j){
> 	if(field[i][j]=='W'){
> 		field[i][j]='.';
> 		for(int dx=-1;dx<=1;dx++){
> 			for(int dy=-1;dy<=1;dy++){
> 				if(i+dx>=0&&i+dx<col&&j+dy>=0&&j+dy<row) dfs(i+dx,j+dy);
> 			}
> 		}
> 		return 1;
> 	}
> 	else return 0;
> }
```

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