HMMT 二月 2000 · GEN 赛 · 第 12 题
HMMT February 2000 — GEN Round — Problem 12
题目详情
英文原题
- In 2020, the United States admits North Mathemati a as the 51 st state. It onsistsof 5 islands joined b y bridges as sho wn. Is it p ossible to ross all the bridges withoutdoubling o v er? If so, what is the di eren e (p ositiv e) b et w een the number of the startisland and the number of the end island?
1 2
4 53
解析
英文解析
- Y es - one p ossible path is 4 ! 1 ! 2 ! 4 ! 5 ! 2 ! 3 ! 5, so the di eren e b et w eenthe start island and end island is 1 .