Submission #877389

#	Time	Username	Problem	Language	Result	Execution time	Memory
877389		AI_2512	Bootfall (IZhO17_bootfall)	Cpython 3	0 / 100	1066 ms	3096 KiB

bootfall

def split_array_helper(nums, index, sum1, sum2, arr1, arr2):
    size = len(nums)
    if index == size:
        return sum1 == sum2

    arr1.append(nums[index])
    if split_array_helper(nums, index + 1, sum1 + nums[index], sum2, arr1, arr2):
        return True
    arr1.pop()

    arr2.append(nums[index])
    if split_array_helper(nums, index + 1, sum1, sum2 + nums[index], arr1, arr2):
        return True
    arr2.pop()

    return False

def split_array(nums, arr1, arr2):
    sum1, sum2 = 0, 0
    return split_array_helper(nums, 0, sum1, sum2, arr1, arr2)

n = int(input())
arr = list(map(int, input().split()))
arr2, arr3 = [], []
res = []
total_sum = sum(arr)
ruined = False
for i in range(1, total_sum + 1):
    ruined = False
    size = len(arr)
    if size > n:
        arr.pop()
    arr.append(i)
    for k in range(n + 1):
        darr = arr[:]
        del darr[k]
        if not split_array(darr, arr2, arr3):
            ruined = True
            break
        arr2.clear()
        arr3.clear()
    if not ruined:
        res.append(i)
print(len(res))

if res:
    print(" ".join(map(str, res)))

• Subtask 1: 0 / 6
• Subtask 2: 0 / 7
• Subtask 3: 0 / 15
• Subtask 4: 0 / 16
• Subtask 5: 0 / 21
• Subtask 6: 0 / 35