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求改错= =,到底哪里错了我,我的逻辑有问题吗,怎么都不对呢//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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