\u7ed9\u4f60\u4e00\u4e2a\u5b57\u7b26\u4e32 s \u548c\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868 wordDict \u4f5c\u4e3a\u5b57\u5178\u3002\u5982\u679c\u53ef\u4ee5\u5229\u7528\u5b57\u5178\u4e2d\u51fa\u73b0\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u5355\u8bcd\u62fc\u63a5\u51fa s \u5219\u8fd4\u56de true\u3002
\n\u6ce8\u610f\uff1a\u4e0d\u8981\u6c42\u5b57\u5178\u4e2d\u51fa\u73b0\u7684\u5355\u8bcd\u5168\u90e8\u90fd\u4f7f\u7528\uff0c\u5e76\u4e14\u5b57\u5178\u4e2d\u7684\u5355\u8bcd\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\u3002<\/p>\n
\u793a\u4f8b\uff1a
\n\u8f93\u5165: s = “leetcode”, wordDict = [“leet”, “code”]
\n\u8f93\u51fa: true
\n\u89e3\u91ca: \u8fd4\u56de true \u56e0\u4e3a “leetcode” \u53ef\u4ee5\u7531 “leet” \u548c “code” \u62fc\u63a5\u6210\u3002<\/p>\n
\u52a8\u6001\u89c4\u5212\u3002 \u9898\u76ee\u63cf\u8ff0 \u7ed9\u4f60\u4e00\u4e2a\u5b57\u7b26\u4e32 s \u548c\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868 wordDict \u4f5c\u4e3a\u5b57\u5178\u3002\u5982\u679c\u53ef\u4ee5\u5229\u7528\u5b57\u5178\u4e2d\u51fa\u73b0\u7684\u4e00\u4e2a\u6216\u591a\u4e2a […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[20,40,45],"class_list":["post-1035","post","type-post","status-publish","format-standard","hentry","category-algo","tag-leetcode","tag-40","tag-45"],"_links":{"self":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1035","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1035"}],"version-history":[{"count":1,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1035\/revisions"}],"predecessor-version":[{"id":1036,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1035\/revisions\/1036"}],"wp:attachment":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1035"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1035"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\u8bbe ans[i] \u8868\u793a\u662f\u5426\u80fd\u62fc\u63a5\u51fa s \u4e2d\u957f\u5ea6\u4e3a i \u7684\u524d\u7f00\uff0c\u5219 ans[i] = ans[i] || ans[i - \u5b57\u5178\u4e2d\u7684\u5355\u8bcd\u957f\u5ea6]<\/code>\u3002
\n\u679a\u4e3e\u5b57\u5178\u5355\u8bcd\u6216\u540e\u7f00\u957f\u5ea6\u90fd\u53ef\u4ee5\uff0c\u53ea\u8981\u4e3a true \u5c31\u9000\u51fa\uff0c\u7136\u540e\u8ba1\u7b97\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\u3002<\/p>\nJava<\/h1>\n
public boolean wordBreak(String s, List<String> wordDict) {\n Set<String> set = new HashSet<>(wordDict);\n boolean[] ans = new boolean[s.length() + 1];\n ans[0] = true;\n \/\/ \u679a\u4e3e s \u957f\u5ea6 i\n for (int i = 1; i <= s.length(); i++) {\n \/\/ \u679a\u4e3e\u53f3\u4fa7\u957f\u5ea6 l\n for (int l = 1; l <= i; l++) {\n if (set.contains(s.substring(i - l, i))) {\n ans[i] = ans[i] || ans[i - l];\n }\n if (ans[i]) {\n break;\n }\n }\n }\n return ans[s.length()];\n}\n<\/code><\/pre>\nKotlin<\/h1>\n
fun wordBreak(s: String, wordDict: List<String>): Boolean {\n val ans = BooleanArray(s.length + 1)\n val set = wordDict.toSet()\n ans[0] = true\n for (i in 1..s.length) {\n for (j in 1..i) {\n if (set.contains(s.substring(i - j, i))) {\n ans[i] = ans[i] || ans[i - j]\n }\n if (ans[i]) {\n break;\n }\n }\n }\n return ans.last()\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"