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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; } Followed by:
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