def find_rectangles_areas(T, Ns):
    results = []
    for N in Ns:
        areas = set()
        for b in range(1, N // 2):
            a = (N // 2) - b
            if a > 0:
                area = a * b
                areas.add(area)
        
        if not areas:
            results.append("-1")
        else:
            sorted_areas = sorted(areas)
            results.append(" ".join(map(str, sorted_areas)))
    return results

# Input
T = int(input())  # Number of test cases
Ns = [int(input()) for _ in range(T)]

# Processing
results = find_rectangles_areas(T, Ns)

# Output
for result in results:
    print(result)

import math
def cal(n):
    if n % 2 == 1 or n <= 2:
        print(-1)
        return
    n = n // 2
    res = set()
    for i in range(1, int(math.sqrt(n) + 2)):
        if(i not in res and n - i not in res):
           res.add(i)
    for i in res:
        print(i * (n - i), end = ' ')
    print()
    
n = int(input())
for i in range(n):
    cal(int(input()))

Đáp án:

Giải thích các bước giải: