func main()
	var n: int :: cui@inputInt()
	var m: int :: cui@inputInt()
	var diff: []int :: #[n + 1]int
	for(1, m)
		var l: int :: cui@inputInt()
		var r: int :: cui@inputInt()
		do diff[n - l] :+ 1
		do diff[n - r + 1] :- 1
	end for
	
	var ans: int :: 0
	for i(0, n - 1)
		do ans :+ diff[i]
		do cui@print("\{ans}\n")
	end for
end func