2981: NOIP2018:旅行(加强版)

Memory Limit:256 MB Time Limit:1 S
Judge Style:Text Compare Creator:
Submit:22 Solved:15

Description

见2975

Input

见2975

Output

见2975

HINT

加强by g15tm08 n<=1500000,n=m

加入题单

上一题 下一题 算法标签: