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HMMT 二月 2002 · 冲刺赛 · 第 22 题

HMMT February 2002 — Guts Round — Problem 22

专题
Discrete Math / 离散数学
难度
L3
来源
HMMT

题目详情

  1. [5] A path of length n is a sequence of points ( x , y ) , ( x , y ) , . . . , ( x , y ) with integer 1 1 2 2 n n coordinates such that for all i between 1 and n − 1 inclusive, either
解析
  1. A path of length n is a sequence of points ( x , y ) , ( x , y ) , . . . , ( x , y ) with integer 1 1 2 2 n n coordinates such that for all i between 1 and n − 1 inclusive, either