Uzastopni - 题目

#13745. Uzastopni

统计

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输出将给定的正整数 $N$ 表示为若干个（两个或更多）连续正整数之和的所有方法。^1

输入格式

输入的第一行包含一个正整数 $N$ ($3 \le N \le 10^{10}$)。

输出格式

对于每种等于 $N$ 的连续正整数之和，在一行中输出其首项和末项（即第一个和最后一个加数）。输出中各行的顺序并不重要。在每个测试用例中，至少会存在一个满足条件的和。

样例

输入样例 1

输出样例 1

1 4

输入样例 2

输出样例 2

13 14
8 10
2 7

说明

样例 1 说明

$10 = 1 + 2 + 3 + 4$。

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