Today, I found an elementary knowlege of graph's adjacency matrix. The power of adjacency matrix's meaning is that
A^k means the number of paths between any two nodes with path length of k.
wow... Although it is elementary. But I never know it before today. And after I found it, I have a great fun.
I ａｍｓｉｃｋ ｎｏｗ．．．
ｈｅａｄａｃｈｅ．．．
＋ｓａｉｄ ｈｅｒ ｍｅｍｏｒｉｅｓ ｙｅｓｔｅｒｄａｙ ｎｉｇｈｔ ｗｈｅｎ ｗｅ ｃｈａｔ．Ｆｅｅｌ ｎｏｔ ｇｏｏｄ．．．
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