func main()
	var n: int :: cui@input().toInt(&)
	var ss: [][]char :: cui@input().split(" ")
	var x: []int :: #[n]int
	var total: int :: 0
	for i(0, n - 1)
		do x[i] :: ss[i].toInt(&)
		do total :+ x[i]
	end for
	func getDivisors(n: int): []int
		var res: []int :: #[0]int
		var i: int :: 1
		while loop(true)
			if(i * i > n)
				break loop
			end if
			if(n % i = 0)
				do res :~ [i]
			end if
			if(n / i <> i)
				do res :~ [n / i]
			end if
			do i :+ 1
		end while
		do res.sort()
		ret res
	end func
	var divisors: []int :: getDivisors(total)
	
	var ans: int :: 0
	for i(0, ^divisors - 1)
		var divisor: int :: divisors[i]
		var sum: int :: 0
		var cnt: int :: 0
		for j(0, n - 1)
			do sum :+ x[j]
			if(sum > divisor)
				skip i
			end if
			if(sum = divisor)
				do cnt :+ 1
				do sum :: 0
			end if
		end for
		if(sum = 0)
			do ans :: cnt
			break i
		end if
	end for
	do cui@print("\{ans}\n")
end func