和为 s 的连续正整数序列

import java.util.Scanner;

public class 和为S的连续正整数序列 {
	public static void main(String[] agrs){
		Scanner sc = new Scanner(System.in);
		int s = sc.nextInt();
		
		int start = 1;
		int end = 2;
		int sum = start+end;
		while(start < (s+1)/2){
			if(s == sum){
				print_from_to(start,end);
				sum = sum - start;
				start++;
				end++;
				sum = sum + end;
			} else if(sum < s){
				end++;
				sum = sum + end;
			} else {
				sum = sum -start;
				start++;
			}
		}
	}

	private static void print_from_to(int start, int end) {
		while(start