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Polish permutation solution.

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Donne Martin 2016-02-10 06:29:50 -05:00
parent 186a192c61
commit 75becf1afb
1 changed files with 11 additions and 15 deletions
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26
arrays_strings/permutation/permutation_solution.ipynb
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@ -140,18 +140,15 @@
"from collections import defaultdict\n",
"\n",
"\n",
"def unique_counts(string):\n",
" dict_chars = defaultdict(int)\n",
" for char in string:\n",
" dict_chars[char] += 1\n",
" return dict_chars\n",
"\n",
"\n",
"def permutations_alt(str1, str2):\n",
" if len(str1) != len(str2):\n",
" return False\n",
" unique_counts1 = unique_counts(str1)\n",
" unique_counts2 = unique_counts(str2)\n",
" unique_counts2 = defaultdict(int)\n",
" unique_counts2 = defaultdict(int)\n",
" for char in str1:\n",
" unique_counts2[char] += 1\n",
" for char in str2:\n",
" unique_counts2[char] += 1\n",
" return unique_counts1 == unique_counts2"
]
},
@ -218,7 +215,6 @@
"name": "stdout",
"output_type": "stream",
"text": [
"Success: test_permutation\n",
"Success: test_permutation\n"
]
}
@ -230,21 +226,21 @@
],
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