Submission #1605289

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Source Code Expand

from collections import defaultdict, Counter
from itertools import product, groupby, count, permutations, combinations
from math import pi, sqrt
from collections import deque
from bisect import bisect, bisect_left, bisect_right
INF = float("inf")


def main():
    N = int(input())
    s = input()
    t = input()

    for i in range(N, 0, -1):
        if s[-i:] == t[:i]:
            print(2 * N - i)
            break
    else:
        print(2 * N)


if __name__ == '__main__':
    main()

Submission Info

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