摘要：
#includeusing namespace std;#include#define max 105long a[100000],step,sum,n,m,visited[max][max];long directions[4][2]={{0,1},{1,0},{0,-1},{-1,0}};int... 阅读全文
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摘要：
#includeusing namespace std;#include#define max 105long a[100000],step,sum,n,m,visited[max][max];long directions[4][2]={{0,1},{1,0},{0,-1},{-1,0}};int... 阅读全文
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