HMMT 十一月 2013 · 冲刺赛 · 第 35 题

HMMT November 2013 — Guts Round — Problem 35

个人笔记

[ 20 ] Consider the following 4 by 4 grid with one corner square removed:
You may start at any square in this grid and at each move, you may either stop or travel to an adjacentsquare (sharing a side, not just a corner) that you have not already visited (the square you start at isautomatically marked as visited). Determine the distinct number of paths you can take. Your score
{ }
will be max 0 , b 20 − 200 | 1 − |c , where k is your answer and S is the actual answer.k S

解析

[ 20 ] Consider the following 4 by 4 grid with one corner square removed:
You may start at any square in this grid and at each move, you may either stop or travel to an adjacentsquare (sharing a side, not just a corner) that you have not already visited (the square you start at isautomatically marked as visited). Determine the distinct number of paths you can take. Your score
{ }
will be max 0 , b 20 − 200 | 1 − |c , where k is your answer and S is the actual answer.k
Answer: 14007S