Submission #1294388

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Source Code Expand

import collections


def main():
    n = int(input())

    cuts = []
    chars = set()

    for i in range(n):
        s = input()
        d = collections.defaultdict(int)
        for c in s:
            chars.add(c)
            d[c] += 1
        cuts.append(d)

    res = ''
    for c in sorted(chars):
        count = min([d[c] for d in cuts])
        res = res + str(c * count)

    print(res)


if __name__ == '__main__':
    main()
    

Submission Info

Judge Result