{"id":2789,"date":"2020-01-17T10:31:18","date_gmt":"2020-01-17T02:31:18","guid":{"rendered":"http:\/\/www.sniper97.cn\/?p=2789"},"modified":"2020-01-17T10:31:18","modified_gmt":"2020-01-17T02:31:18","slug":"%e3%80%90leetcode%e3%80%910014-%e6%9c%80%e9%95%bf%e5%85%ac%e5%85%b1%e5%89%8d%e7%bc%80","status":"publish","type":"post","link":"http:\/\/www.sniper97.cn\/index.php\/note\/algorithm\/2789\/","title":{"rendered":"\u3010LeetCode\u30110014 \u6700\u957f\u516c\u5171\u524d\u7f00"},"content":{"rendered":"\n<p><a href=\"https:\/\/leetcode-cn.com\/problems\/longest-common-prefix\/\">https:\/\/leetcode-cn.com\/problems\/longest-common-prefix\/<\/a><\/p>\n\n\n<p>\u4ee3\u7801\uff1a<\/p>\n\n\n<pre class=\"wp-block-preformatted\"># -*- coding:utf-8 -*-\n<em>\n<\/em>class Solution(object):\n    def longestCommonPrefix(self, strs):\n        <em>\"\"\"\n        <\/em><strong><em>:type<\/em><\/strong><em> strs: List[str]\n        <\/em><strong><em>:rtype<\/em><\/strong><em>: str\n        \"\"\"\n        <\/em>if len(strs) == 0 or '' in strs:\n            return ''\n        if len(strs) == 1:\n            return strs[0]\n        res = ''\n        min_len = len(strs[0])\n        for i in range(1, len(strs)):\n            if len(strs[i]) &lt; min_len:\n                min_len = len(strs[i])\n        i = 0\n        while True:\n            if i &lt; min_len:\n                temp_str = strs[0][i]\n            else:\n                return res\n            temp_flag = True\n            for j in range(1, len(strs)):\n                if strs[j][i] != temp_str:\n                    temp_flag = False\n            if temp_flag == False:\n                return res\n            else:\n                res += temp_str\n                i += 1\nif __name__ == '__main__':\n    strs = [\"cc\", 'ccc']\n    print(Solution().longestCommonPrefix(strs))\n<\/pre>\n\n\n<p><strong>\u601d\u8def<\/strong>\uff1a\u9996\u5148\u5c31\u662f\u5f02\u5e38\u6570\u636e\u7684\u5904\u7406\uff0c\u4e0d\u5f97\u4e0d\u8bf4\u8fd9\u65b9\u9762\u6211\u8fd8\u662f\u592a\u5f31\u4e86\uff0c\u57fa\u672c\u90fd\u9760\u62a5\u9519\u52a0\u5f02\u5e38\u60c5\u51b5  \u5509\u3002\u9996\u5148\u662f\u627e\u51fa\u8fd9\u4e9b\u5b57\u7b26\u4e32\u4e2d\u7684\u6700\u77ed\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u7136\u540e\u4f9d\u6b21\u904d\u5386n\u4e2a\u5b57\u7b26\u4e32\uff0c\u5982\u679c\u8fd9\u4e00\u8d9f\u4e2d\u5b57\u7b26\u90fd\u76f8\u7b49\uff0c\u5219\u5c06\u8fd9\u4e2a\u5b57\u7b26\u6dfb\u52a0\u5230\u7ed3\u679c\u5b57\u7b26\u4e32\u4e2d\uff0c\u5426\u5219\u76f4\u63a5\u8fd4\u56deres\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n<p><strong>\u601d\u8003<\/strong>\uff1a\u8fd9\u9053\u9898\uff0c\u6211\u505a\u7684\u65f6\u5019\u5c31\u89c9\u5f97\u6211\u505a\u7684\u9ebb\u70e6\u4e86\uff0c\u505a\u5b8c\u770b\u4e86\u4e0b\u8bc4\u8bba\u8fd8\u771f\u662f\uff0c\u53c8\u4e00\u4e2a\u7528ascii\u7801\u6bd4\u8f83\u7684\uff0c\u9996\u5148\u8bf4\u4e00\u4e0b\u4ec0\u4e48\u662fascii\u7801\u6bd4\u8f83\u3002<\/p>\n\n\n<p>\u6bd4\u5982 abb\uff0c aba\uff0cabac \uff0c\u9996\u5148\u6bd4\u8f83a\uff0c\u90fd\u4e00\u6837\uff0c\u7136\u540e\u6bd4\u8f83b \u90fd\u4e00\u6837\uff0c\u7136\u540e\u6bd4\u8f83b\uff0ca\uff0ca\uff0c\u8fd9\u65f6\u5019\u663e\u7136b\u7684ascii\u5927\u4e8ea\u7684ascii\uff0c\u56e0\u6b64\u8fd9\u4e09\u4e2a\u5b57\u7b26\u4e32\u7684\u6700\u5927\u503c\u4e3aabb\uff0c\u6700\u5c0f\u503c\u4e3aaba\u3002\u56e0\u6b64\u6211\u4eec\u53ea\u9700\u6bd4\u8f83\u8fd9\u4e24\u4e2a\u5b57\u7b26\u4e32\u524dn\u4e2a\u5339\u914d\u8fd4\u56de\u5373\u53ef\u3002<\/p>\n\n\n<pre class=\"wp-block-code\"><code>def longestCommonPrefix(self, strs):\n        if not strs: return \"\"\n        s1 = min(strs)\n        s2 = max(strs)\n        for i,x in enumerate(s1):\n            if x != s2[i]:\n                return s2[:i]\n        return s1<\/code><\/pre>\n\n\n<p>\u4f46\u662f\u8fd9\u4e2a\u65b9\u6cd5\u53ea\u662f\u201c\u5de7\u201d\uff0c\u4ece\u8fd0\u884c\u65f6\u95f4\u4e0a\u6765\u8bf4\uff0c\u5e76\u4e0d\u6bd4\u4e0a\u9762\u7684\u770b\u8d77\u6765\u5197\u957f\u7684\u65b9\u6cd5\u5feb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/leetcode-cn.com\/problems\/longest-common-pr [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[10],"tags":[],"views":1166,"_links":{"self":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/2789"}],"collection":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2789"}],"version-history":[{"count":0,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/2789\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2789"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}