Revision history of "XIX Open Cup named after E.V. Pankratiev. Grand Prix of Peterhof, Division 1."

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  • curprev 00:44, 2 March 2020Xiejiadong talk contribs 2,162 bytes +2,162 Created page with "== Problem A == Solved by Xiejiadong. 0:13 (+) 题意:给出在三角形的网格中走过的路径,要求回去。 题解:倒着还原回去。 考虑如果之前..."