2018.3.4【 AtCoder - 3867 】解題報告（矩陣知識，數學）

C - Takahashi's Information Time limit : 2sec / Memory limit : 256MBthis Score: 300 pointsspa Problem Statement We have a 3×3 grid. A number ci,j is written in the square (i,j), where (i,j) denotes th

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