#input of int(split by space)
def get_i()
  return gets.chomp.split(" ").map(&:to_i)
end
#input of float(split by space)
def get_f()
  return gets.chomp.split(" ").map(&:to_f)
end
#input of string(split by space)
def get()
  return gets.chomp.split(" ")
end
#input of string(split per one character)
def get_nsp()
  return gets.chomp.split("")
end
#yes or no decision
def yn_judge(bool,y="Yes",n="No")
  return bool ? y : n 
end
#create of array
def array(size1,init=nil,size2=-1)
  if size2==-1
      return Array.new(size1){init}
  else
      return Array.new(size2){Array.new(size1){init}}
  end
end

def max(a,b)
    return a>b ? a : b
end

def min(a,b)
    return a>b ? b : a
end

INF=Float::INFINITY

N=gets.to_i
xy=array(N)
N.times do|i|
    xy[i]=get_i
end
kind={}
N.times do|i|
    N.times do|j|
      next if i==j
      dx=xy[i][0]-xy[j][0]
      dy=xy[i][1]-xy[j][1]
      kind[dy]=Hash.new(0) if kind[dy].nil?
      kind[dy][dx]+=1
    end
end
ans=N
kind.each do|_,arr|
    arr.each do|k,v|
      ans=N-v if ans>N-v
    end
end
puts ans