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  • 和为n的连续正序列

    /**
    	 * 和为n的连续正数列
    	 * 定义序列start=1,end=2,当和sum大于n时,则先将和sum减去最小的start,并移动start++,若是小于n,则sum+=end
    	 * ,end++,若是等于则输出[start,end],并使sum加上end,++end
    	 * 
    	 * @param n
    	 */
    	public static void sequenceN(int n) {
    		int start = 1, end = 2, mid = (n + 1) / 2, sum = start + end;
    		while (start < mid) {
    			if (sum > n) {
    				sum -= start;
    				start++;
    			} else if (sum < n) {
    				end++;
    				sum += end;
    			} else {
    				for (int i = start; i <= end; i++) {
    					System.out.print(i + " ");
    				}
    				System.out.println();
    				end++;
    				sum += end;
    			}
    		}
    	}
    
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  • 原文地址:https://www.cnblogs.com/xiaoxian1369/p/2604603.html
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