{"id":621,"date":"2021-12-08T12:23:51","date_gmt":"2021-12-08T04:23:51","guid":{"rendered":"https:\/\/bigwer.cn\/?p=621"},"modified":"2022-03-10T23:29:21","modified_gmt":"2022-03-10T15:29:21","slug":"lc704","status":"publish","type":"post","link":"https:\/\/bigwer.cn\/index.php\/2021\/12\/08\/lc704\/","title":{"rendered":"lc704.\u4e8c\u5206\u67e5\u627e"},"content":{"rendered":"

<\/div>
\n704. \u4e8c\u5206\u67e5\u627e<\/a><\/p>\n
\n

\u7ed9\u5b9a\u4e00\u4e2a\u00a0n\u00a0\u4e2a\u5143\u7d20\u6709\u5e8f\u7684\uff08\u5347\u5e8f\uff09\u6574\u578b\u6570\u7ec4\u00a0nums \u548c\u4e00\u4e2a\u76ee\u6807\u503c\u00a0target \u00a0\uff0c\u5199\u4e00\u4e2a\u51fd\u6570\u641c\u7d22\u00a0nums\u00a0\u4e2d\u7684 target\uff0c\u5982\u679c\u76ee\u6807\u503c\u5b58\u5728\u8fd4\u56de\u4e0b\u6807\uff0c\u5426\u5219\u8fd4\u56de -1\u3002<\/p>\n<\/blockquote>\n

\u793a\u4f8b1<\/h3>\n

\u8f93\u5165: nums = [-1,0,3,5,9,12], target = 9
\n\u8f93\u51fa: 4
\n\u89e3\u91ca: 9 \u51fa\u73b0\u5728 nums \u4e2d\u5e76\u4e14\u4e0b\u6807\u4e3a 4<\/p>\n

\u793a\u4f8b2<\/h3>\n

\u8f93\u5165: nums = [-1,0,3,5,9,12], target = 2
\n\u8f93\u51fa: -1
\n\u89e3\u91ca: 2 \u4e0d\u5b58\u5728 nums \u4e2d\u56e0\u6b64\u8fd4\u56de -1<\/p>\n

\u5206\u6790<\/h3>\n

\u6709\u5e8f\u6570\u7ec4\u67e5\u627e\u5143\u7d20\u76f4\u63a5\u4f7f\u7528\u4e8c\u5206\u67e5\u627e\uff0c\u4e8c\u5206\u67e5\u627e\u53ef\u4ee5\u4e3a\u4e0a\u53d6\u6574\u548c\u4e0b\u53d6\u6574\uff0c\u4e24\u5957\u6a21\u677f\u53ef\u4ee5\u76f4\u63a5\u5957\u7528\uff0c\u518d\u6839\u636e\u9898\u610f\u4fee\u6539<\/p>\n

\u5b9e\u73b0<\/h3>\n

1.\u4e0a\u53d6\u6574<\/h4>\n
class Solution {\n    public int search(int[] nums, int target) {\n        int left = 0;\n        int right = nums.length-1;\n        while(left<right){\n            int mid = left+right+1>>>1;\n            if(nums[mid]<=target) left = mid;\n            else right =  mid-1;\n        }\n        return nums[left]==target?left:-1;\n    }\n}<\/code><\/pre>\n
2.\u4e0b\u53d6\u6574<\/h4>\n
class Solution {\n    public int search(int[] nums, int target) {\n        int left = 0;\n        int right = nums.length-1;\n        while(left<right){\n            int mid = left+right>>>1;\n            if(nums[mid]>=target) right = mid;\n            else left =  mid+1;\n        }\n        return nums[left]==target?left:-1;\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
704. \u4e8c\u5206\u67e5\u627e \u7ed9\u5b9a\u4e00\u4e2a\u00a0n\u00a0\u4e2a\u5143\u7d20\u6709\u5e8f\u7684\uff08\u5347\u5e8f\uff09\u6574\u578b\u6570\u7ec4\u00a0nums \u548c\u4e00\u4e2a\u76ee\u6807\u503c\u00a0target \u00a0\uff0c\u5199\u4e00\u4e2a\u51fd\u6570\u641c\u7d22\u00a0nums …<\/p>","protected":false},"author":1,"featured_media":626,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[11],"_links":{"self":[{"href":"https:\/\/bigwer.cn\/index.php\/wp-json\/wp\/v2\/posts\/621"}],"collection":[{"href":"https:\/\/bigwer.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bigwer.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bigwer.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bigwer.cn\/index.php\/wp-json\/wp\/v2\/comments?post=621"}],"version-history":[{"count":2,"href":"https:\/\/bigwer.cn\/index.php\/wp-json\/wp\/v2\/posts\/621\/revisions"}],"predecessor-version":[{"id":624,"href":"https:\/\/bigwer.cn\/index.php\/wp-json\/wp\/v2\/posts\/621\/revisions\/624"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bigwer.cn\/index.php\/wp-json\/wp\/v2\/media\/626"}],"wp:attachment":[{"href":"https:\/\/bigwer.cn\/index.php\/wp-json\/wp\/v2\/media?parent=621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bigwer.cn\/index.php\/wp-json\/wp\/v2\/categories?post=621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bigwer.cn\/index.php\/wp-json\/wp\/v2\/tags?post=621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}