#361. 1360. [Baltic2009]Subway
1360. [Baltic2009]Subway
#1360. [Baltic2009]Subway
题目描述
JudgeOnline/upload/201803/subway.pdf
输入格式
输出格式
样例
样例输入
100 5
55 L
37 L
47 L
89 L
41 R
样例输出
19.000000
#1360. [Baltic2009]Subway
JudgeOnline/upload/201803/subway.pdf
100 5
55 L
37 L
47 L
89 L
41 R
19.000000