podhmo https://blog.hatena.ne.jp/podhmo/ podhmoの日記 https://podhmo.hatenadiary.org/ python scheme programing praxis http://programmingpraxis.com/2010/11/23/string-subsets/ import operator import collections def is_str_subset(sub, base): D = collections.defaultdict(lambda : 0) for c in list(base): D[c] += 1 for c in list(sub): D[c] -= 1 if D[c] < 0: return False return True if __name__ == '__main__': str1 = "DA" s… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpodhmo.hatenadiary.org%2Fentry%2F20101206%2F1291639427" title=" String Subset - podhmoの日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2010-12-06 21:43:47 rich https://podhmo.hatenadiary.org/entry/20101206/1291639427 1.0 100%