{"id":2434,"date":"2022-03-23T11:25:58","date_gmt":"2022-03-23T03:25:58","guid":{"rendered":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=2434"},"modified":"2022-03-24T10:50:38","modified_gmt":"2022-03-24T02:50:38","slug":"%e5%8f%8c%e6%8c%87%e9%92%88-2","status":"publish","type":"post","link":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=2434","title":{"rendered":"\u7b97\u6cd5\u5165\u95e8\u7b2c\u4e09\u5929"},"content":{"rendered":"\n

\u53cc\u6307\u9488<\/h2>\n\n\n\n

\u300c\u7b97\u6cd5\u300d – \u5b66\u4e60\u8ba1\u5212 – \u529b\u6263\uff08LeetCode\uff09\u5168\u7403\u6781\u5ba2\u631a\u7231\u7684\u6280\u672f\u6210\u957f\u5e73\u53f0 (leetcode-cn.com)<\/a>s<\/p>\n\n\n\n

283. \u79fb\u52a8\u96f6<\/a><\/p>\n\n\n\n

\u672c\u9898\u7684\u8981\u9886\u662f\u53cc\u6307\u9488\u53ef\u4ee5\u505a\u5230o(1)\uff0c\u53ea\u904d\u5386\u4e00\u6b21\uff0c36d1ac5d689101cbf9947465e94753c626eab7fcb736ae2175f5d87ebc85fdf0-283_2.gif (1280\u00d7720) (leetcode-cn.com)<\/a>\u53ef\u4ee5\u770b\u8fd9\u4e2a\u52a8\u56fe<\/mark><\/p>\n\n\n\n

\/**\n 283. \u79fb\u52a8\u96f6\n\n \u7ed9\u5b9a\u4e00\u4e2a\u6570\u7ec4 nums\uff0c\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\u5c06\u6240\u6709 0 \u79fb\u52a8\u5230\u6570\u7ec4\u7684\u672b\u5c3e\uff0c\u540c\u65f6\u4fdd\u6301\u975e\u96f6\u5143\u7d20\u7684\u76f8\u5bf9\u987a\u5e8f\u3002\n\n \u8bf7\u6ce8\u610f\uff0c\u5fc5\u987b\u5728\u4e0d\u590d\u5236\u6570\u7ec4\u7684\u60c5\u51b5\u4e0b\u539f\u5730\u5bf9\u6570\u7ec4\u8fdb\u884c\u64cd\u4f5c\u3002\n\n\n\n \u793a\u4f8b 1:\n\n \u8f93\u5165: nums = [0,1,0,3,12]\n \u8f93\u51fa: [1,3,12,0,0]\n \u793a\u4f8b 2:\n\n \u8f93\u5165: nums = [0]\n \u8f93\u51fa: [0]\n\n\n \u63d0\u793a:\n\n 1 <= nums.length <= 10^4\n -2^31 <= nums[i] <= 2^31 - 1\n\n \u6765\u6e90\uff1a\u529b\u6263\uff08LeetCode\uff09\n \u94fe\u63a5\uff1ahttps:\/\/leetcode-cn.com\/problems\/move-zeroes\n \u8457\u4f5c\u6743\u5f52\u9886\u6263\u7f51\u7edc\u6240\u6709\u3002\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u8054\u7cfb\u5b98\u65b9\u6388\u6743\uff0c\u975e\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\u3002\n\n * @author zeroheart\n *\n *\/\npublic class Question283 {\n    public static void moveZeroes(int[] nums) {\n        int j = 0;\n        \/\/ \u4e24\u4e2a\u6307\u9488\uff0c\u4e00\u6b21\u904d\u5386\uff0c\u53ef\u4ee5\u770b\u8fd9\u4e2a\u56fe\u4f8b https:\/\/pic.leetcode-cn.com\/36d1ac5d689101cbf9947465e94753c626eab7fcb736ae2175f5d87ebc85fdf0-283_2.gif\n        \/\/ i \u5f80\u524d\u8d70\uff0c\u9047\u5230\u975e0\u7684\u5c31\u548c0\u7684\u4f4d\u7f6e\u7684\u6307\u9488j\u4ea4\u6362\uff0cj++\n        for(int i = 0; i < nums.length; i++){\n            if(nums[j] != 0){\n                \/\/ \u4f18\u5316\uff0c\u53bb\u6389\u8fd9\u4e2a\u4e5f\u53ef\u4ee5\uff0cnums[i]!=0\u5c31\u76f4\u63a5\u4ea4\u6362\uff0c\u4e0d\u8fc7\u6709\u591a\u4f59\u7684\u6b21\u6570\n                j++;\n            }else if(nums[i]!=0 && nums[j] == 0){\n                int temp = nums[i];\n                nums[i] = nums[j];\n                nums[j] = temp;\n                j++;\n            }\n\n        }\n        Arrays.stream(nums).asLongStream().forEach(System.out::print);\n    }\n\n\n    public static void main(String[] args) {\n\/\/        moveZeroes(new int[]{0,0,1});\n\/\/        moveZeroes(new int[]{0,1,0,3,12});\n        moveZeroes(new int[]{1,0,1,0,3,12});\n    }\n}<\/pre>\n\n\n\n
167. \u4e24\u6570\u4e4b\u548c II – \u8f93\u5165\u6709\u5e8f\u6570\u7ec4<\/a><\/p>\n\n\n\n
\u672c\u9898\u4e4b\u524d\u90fd\u505a\u8fc7\uff0c\u4e3b\u8981\u4f9d\u636e\u662f\u6570\u7ec4\u672c\u8eab\u6709\u5e8f\uff0c\u6240\u4ee5\u53ef\u4ee5\u9996\u5c3e\u53cc\u6307\u9488\uff0c\u4e24\u6570\u4e4b\u548c\u5927\u7684\uff0c\u79fb\u52a8\u5c3e\u90e8\u6307\u9488\uff0c\u5c0f\u7684\u79fb\u52a8\u5934\u90e8\u6307\u9488\u3002<\/mark><\/p>\n\n\n\n
\/**\n 167. \u4e24\u6570\u4e4b\u548c II - \u8f93\u5165\u6709\u5e8f\u6570\u7ec4\n\n \u7ed9\u4f60\u4e00\u4e2a\u4e0b\u6807\u4ece 1 \u5f00\u59cb\u7684\u6574\u6570\u6570\u7ec4 numbers \uff0c\u8be5\u6570\u7ec4\u5df2\u6309 \u975e\u9012\u51cf\u987a\u5e8f\u6392\u5217  \uff0c\u8bf7\u4f60\u4ece\u6570\u7ec4\u4e2d\u627e\u51fa\u6ee1\u8db3\u76f8\u52a0\u4e4b\u548c\u7b49\u4e8e\u76ee\u6807\u6570 target \u7684\u4e24\u4e2a\u6570\u3002\u5982\u679c\u8bbe\u8fd9\u4e24\u4e2a\u6570\u5206\u522b\u662f numbers[index1] \u548c numbers[index2] \uff0c\u5219 1 <= index1 < index2 <= numbers.length \u3002\n\n \u4ee5\u957f\u5ea6\u4e3a 2 \u7684\u6574\u6570\u6570\u7ec4 [index1, index2] \u7684\u5f62\u5f0f\u8fd4\u56de\u8fd9\u4e24\u4e2a\u6574\u6570\u7684\u4e0b\u6807 index1 \u548c index2\u3002\n\n \u4f60\u53ef\u4ee5\u5047\u8bbe\u6bcf\u4e2a\u8f93\u5165 \u53ea\u5bf9\u5e94\u552f\u4e00\u7684\u7b54\u6848 \uff0c\u800c\u4e14\u4f60 \u4e0d\u53ef\u4ee5 \u91cd\u590d\u4f7f\u7528\u76f8\u540c\u7684\u5143\u7d20\u3002\n\n \u4f60\u6240\u8bbe\u8ba1\u7684\u89e3\u51b3\u65b9\u6848\u5fc5\u987b\u53ea\u4f7f\u7528\u5e38\u91cf\u7ea7\u7684\u989d\u5916\u7a7a\u95f4\u3002\n\n \u793a\u4f8b 1\uff1a\n\n \u8f93\u5165\uff1anumbers = [2,7,11,15], target = 9\n \u8f93\u51fa\uff1a[1,2]\n \u89e3\u91ca\uff1a2 \u4e0e 7 \u4e4b\u548c\u7b49\u4e8e\u76ee\u6807\u6570 9 \u3002\u56e0\u6b64 index1 = 1, index2 = 2 \u3002\u8fd4\u56de [1, 2] \u3002\n \u793a\u4f8b 2\uff1a\n\n \u8f93\u5165\uff1anumbers = [2,3,4], target = 6\n \u8f93\u51fa\uff1a[1,3]\n \u89e3\u91ca\uff1a2 \u4e0e 4 \u4e4b\u548c\u7b49\u4e8e\u76ee\u6807\u6570 6 \u3002\u56e0\u6b64 index1 = 1, index2 = 3 \u3002\u8fd4\u56de [1, 3] \u3002\n \u793a\u4f8b 3\uff1a\n\n \u8f93\u5165\uff1anumbers = [-1,0], target = -1\n \u8f93\u51fa\uff1a[1,2]\n \u89e3\u91ca\uff1a-1 \u4e0e 0 \u4e4b\u548c\u7b49\u4e8e\u76ee\u6807\u6570 -1 \u3002\u56e0\u6b64 index1 = 1, index2 = 2 \u3002\u8fd4\u56de [1, 2] \u3002\n\n\n \u63d0\u793a\uff1a\n\n 2 <= numbers.length <= 3 * 10^4\n -1000 <= numbers[i] <= 1000\n numbers \u6309 \u975e\u9012\u51cf\u987a\u5e8f \u6392\u5217\n -1000 <= target <= 1000\n \u4ec5\u5b58\u5728\u4e00\u4e2a\u6709\u6548\u7b54\u6848\n\n \u6765\u6e90\uff1a\u529b\u6263\uff08LeetCode\uff09\n \u94fe\u63a5\uff1ahttps:\/\/leetcode-cn.com\/problems\/two-sum-ii-input-array-is-sorted\n \u8457\u4f5c\u6743\u5f52\u9886\u6263\u7f51\u7edc\u6240\u6709\u3002\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u8054\u7cfb\u5b98\u65b9\u6388\u6743\uff0c\u975e\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\u3002\n\n * @author zeroheart\n *\n *\/\npublic class Question167 {\n    public int[] twoSum(int[] numbers, int target) {\n        \/\/ \u56e0\u4e3a\u662f\u6709\u6392\u5e8f\u7684\uff0c\u6240\u4ee5\u53ef\u4ee5\u7528\u53cc\u6307\u9488\u6765\u5904\u7406\n        int j = numbers.length-1;\n        int i = 0;\n        while (i < j){\n            int r = numbers[i] + numbers[j];\n            if( r == target){\n                return new int[]{i+1, j+1};\n            }else if(r > target){\n                j--;\n            }else {\n                i++;\n            }\n        }\n        return null;\n    }\n}\n<\/pre>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u53cc\u6307\u9488 \u300c\u7b97\u6cd5\u300d – \u5b66\u4e60\u8ba1\u5212 – \u529b\u6263\uff08LeetCode\uff09\u5168\u7403\u6781\u5ba2\u631a\u7231\u7684\u6280\u672f\u6210\u957f\u5e73\u53f0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[155],"tags":[157],"_links":{"self":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2434"}],"collection":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2434"}],"version-history":[{"count":15,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2434\/revisions"}],"predecessor-version":[{"id":2471,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2434\/revisions\/2471"}],"wp:attachment":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}