#P4759. [CERC2014] Sums
[CERC2014] Sums
题目描述
Given an integer , express it as the sum of at least two consecutive positive integers. For example:
If there are multiple solutions, output the one with the smallest possible number of summands.
输入格式
The first line of input contains the number of test cases . The descriptions of the test cases follow:
Each test case consists of one line containing an integer .
输出格式
For each test case, output a single line containing the equation in the format:
N = a + (a+1) + ... + b as in the example. If there is no solution, output a single word IMPOSSIBLE instead.
3
8
10
24
IMPOSSIBLE
10 = 1 + 2 + 3 + 4
24 = 7 + 8 + 9