Submission #1450738

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Source Code Expand

N = int(input())
prefix = input()
suffix = input()


if len(prefix) + len(suffix) < N:
    d = N - len(prefix) + len(suffix)
    print(len(prefix + 'a' * d + suffix))
else:
    s = ""
    for i in range(1, N):
        # print(prefix[-i:], suffix[:i])
        if prefix[-i:] == suffix[:i]:
            s = prefix[:-i] + suffix
    if suffix == prefix:
        s = suffix
    if len(s) == 0:
        s = prefix + suffix
    print(len(s))

Submission Info

Judge Result