1 votes 1 votes Algorithms graph-theory + – vaishali jhalani asked Jan 19, 2017 vaishali jhalani 261 views answer comment Share Follow See 1 comment See all 1 1 comment reply Sushant Gokhale commented Jan 24, 2017 reply Follow Share its n-m + 2. 0 votes 0 votes Please log in or register to add a comment.