hdu1312 dfs

原創 x___song 2020-02-20 14:08


http://acm.hdu.edu.cn/showproblem.php?pid=1312


dfs

簡單搜索

從起點開始深搜，紅磚和邊界停止， 走過的路記錄下來並標記爲紅磚。

返回條件要寫全面 不能漏掉。

有一個地方沒寫清楚

在遞歸內部的for循環中也要判斷下tempx和tempy是否合法 否則即使到下一個遞歸檢測到出界也是sum+1了 所以要寫全條件


ac代碼

http://paste.ubuntu.com/9123539/


x___song
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