{"id":89515,"date":"2026-08-03T07:32:36","date_gmt":"2026-08-02T23:32:36","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/89515.html"},"modified":"2026-08-03T07:32:36","modified_gmt":"2026-08-02T23:32:36","slug":"kimi-leetcode-3797-%e7%bb%9f%e8%ae%a1%e5%9c%a8%e7%9f%a9%e5%bd%a2%e6%a0%bc%e5%ad%90%e9%87%8c%e7%a7%bb%e5%8a%a8%e7%9a%84%e8%b7%af%e5%be%84%e6%95%b0%e7%9b%ae-java%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/89515.html","title":{"rendered":"Kimi LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee Java\u5b9e\u73b0"},"content":{"rendered":"

LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee<\/p>\n

\u601d\u8def<\/p>\n

\u8fd9\u9898\u662f\u524d\u7f00\u548c\u4f18\u5316\u7684\u52a8\u6001\u89c4\u5212\u3002<\/p>\n

\u72b6\u6001\u5b9a\u4e49（\u4ece\u4e0b\u5f80\u4e0a\u9012\u63a8）：<\/p>\n

– `f[i][j]`：\u4ece\u6700\u540e\u4e00\u884c\u51fa\u53d1\u5230\u8fbe `(i,j)`，\u4e14\u6700\u540e\u4e00\u6b65\u662f\u4ece\u4e0b\u4e00\u884c\u4e0a\u6765\u7684\u8def\u5f84\u6570
\n– `g[i][j]`：\u4ece\u6700\u540e\u4e00\u884c\u51fa\u53d1\u5230\u8fbe `(i,j)`，\u4e14\u6700\u540e\u4e00\u6b65\u662f\u540c\u4e00\u884c\u6a2a\u5411\u79fb\u52a8\u6765\u7684\u8def\u5f84\u6570<\/p>\n

\u8f6c\u79fb：<\/p>\n

1. \u4ece\u4e0b\u4e00\u884c\u4e0a\u6765：\u4ece `(i+1, j')` \u5230 `(i, j)`，\u7eb5\u5411\u8ddd\u79bb\u4e3a 1，\u6a2a\u5411\u8ddd\u79bb\u9700\u6ee1\u8db3<\/p>\n

\u00a0 \u00a0`1 + (j-j')\u00b2 \u2264 d\u00b2` \u2192 `|j-j'| \u2264 \u230a\u221a(d\u00b2-1)\u230b`\u3002\u8bb0 `k = \u230a\u221a(d\u00b2-1)\u230b`\u3002<\/p>\n

\u00a0 \u00a0`f[i][j] = \u03a3(f[i+1][j'] + g[i+1][j'])`，\u5176\u4e2d `j' \u2208 [j-k, j+k]`<\/p>\n

2. \u540c\u4e00\u884c\u6a2a\u5411\u79fb\u52a8：\u4ece `(i, j')` \u5230 `(i, j)`，\u9700\u6ee1\u8db3 `|j-j'| \u2264 d`，\u4e14\u4e0a\u4e00\u6b65\u5fc5\u987b\u662f\u4ece\u4e0b\u4e00\u884c\u4e0a\u6765\u7684（\u4e0d\u80fd\u8fde\u7eed\u4e24\u6b21\u6a2a\u5411）\u3002<\/p>\n

\u00a0 \u00a0`g[i][j] = \u03a3(f[i][j'])`，\u5176\u4e2d `j' \u2208 [j-d, j+d]` \u4e14 `j' \u2260 j`<\/p>\n

3. \u521d\u59cb\u5316：\u6700\u540e\u4e00\u884c\u6bcf\u4e2a\u53ef\u7528\u683c\u5b50\u4f5c\u4e3a\u8d77\u70b9，`f[n-1][j] = 1`<\/p>\n

\u4e24\u4e2a\u8f6c\u79fb\u90fd\u662f\u533a\u95f4\u6c42\u548c，\u7528\u524d\u7f00\u548c\u4f18\u5316\u5230 `O(1)`，\u603b\u590d\u6742\u5ea6 `O(n\u00b7m)`\u3002<\/p>\n

—<\/p>\n

\u5b8c\u6574 Java \u4ee3\u7801<\/p>\n

```java
\nclass Solution {
\n\u00a0 \u00a0 static final int MOD = 1_000_000_007;<\/p>\n

\u00a0 \u00a0 public int numberOfRoutes(String[] grid, int d) {
\n\u00a0 \u00a0 \u00a0 \u00a0 int n = grid.length;
\n\u00a0 \u00a0 \u00a0 \u00a0 int m = grid[0].length();
\n\u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u5411\u4e0a\u79fb\u52a8\u65f6，\u6a2a\u5411\u6700\u5927\u504f\u79fb：sqrt(d^2 – 1)
\n\u00a0 \u00a0 \u00a0 \u00a0 int k = (int) Math.sqrt((long) d * d – 1);<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \/\/ prefix[i][j][0\/1]：\u7b2c i \u884c\u524d j \u4e2a\u4f4d\u7f6e（0~j-1）\u7684 f\/g \u524d\u7f00\u548c
\n\u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u540c\u65f6 prefix[i][j+1][*] = prefix[i][j][*] + dpValue，\u4e00\u7269\u4e24\u7528
\n\u00a0 \u00a0 \u00a0 \u00a0 int[][][] prefix = new int[n][m + 1][2];<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 for (int i = n – 1; i >= 0; i–) {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ 1. \u8ba1\u7b97 f[i][j]：\u4ece\u4e0b\u4e00\u884c\u4e0a\u6765
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 for (int j = 0; j < m; j++) {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 if (grid[i].charAt(j) == '.') {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 if (i == n – 1) {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u6700\u540e\u4e00\u884c\u4f5c\u4e3a\u8d77\u70b9
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 prefix[i][j + 1][0] = (prefix[i][j][0] + 1) % MOD;
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } else {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 int l = Math.max(j – k, 0);
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 int r = Math.min(j + k, m – 1);
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 int curr = (rangeSum(prefix, i + 1, l, r, 0)
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 + rangeSum(prefix, i + 1, l, r, 1)) % MOD;
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 prefix[i][j + 1][0] = (prefix[i][j][0] + curr) % MOD;
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } else {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u963b\u585e\u683c\u5b50，\u524d\u7f00\u548c\u4e0d\u53d8
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 prefix[i][j + 1][0] = prefix[i][j][0];
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ 2. \u8ba1\u7b97 g[i][j]：\u540c\u4e00\u884c\u6a2a\u5411\u79fb\u52a8，\u53ea\u80fd\u4ece\u4e0a\u4e00\u6b65\u662f"\u4ece\u4e0b\u4e00\u884c\u4e0a\u6765"\u7684\u72b6\u6001\u8f6c\u79fb
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 for (int j = 0; j < m; j++) {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 if (grid[i].charAt(j) == '.') {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 int l = Math.max(j – d, 0);
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 int r = Math.min(j + d, m – 1);
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u6392\u9664 j \u672c\u8eab（j' != j），\u62c6\u6210 [l, j-1] \u548c [j+1, r] \u4e24\u6bb5
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 int left \u00a0= rangeSum(prefix, i, l, j – 1, 0);
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 int right = rangeSum(prefix, i, j + 1, r, 0);
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 int curr = (left + right) % MOD;
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 prefix[i][j + 1][1] = (prefix[i][j][1] + curr) % MOD;
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } else {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 prefix[i][j + 1][1] = prefix[i][j][1];
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 \u00a0 \u00a0 }<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u7b2c 0 \u884c\u6240\u6709\u53ef\u7528\u683c\u5b50\u7684 f + g \u4e4b\u548c
\n\u00a0 \u00a0 \u00a0 \u00a0 return (prefix[0][m][0] + prefix[0][m][1]) % MOD;
\n\u00a0 \u00a0 }<\/p>\n

\u00a0 \u00a0 \/\/ \u7528\u524d\u7f00\u548c\u6570\u7ec4\u6c42\u7b2c row \u884c [l, r] \u533a\u95f4\u5185\u67d0\u72b6\u6001\u7684\u548c
\n\u00a0 \u00a0 private int rangeSum(int[][][] prefix, int row, int l, int r, int state) {
\n\u00a0 \u00a0 \u00a0 \u00a0 if (l > r) return 0;
\n\u00a0 \u00a0 \u00a0 \u00a0 return (prefix[row][r + 1][state] – prefix[row][l][state] + MOD) % MOD;
\n\u00a0 \u00a0 }
\n}
\n```<\/p>\n

—<\/p>\n

\u590d\u6742\u5ea6<\/p>\n

\u9879\u76ee\u00a0\u00a0 \u00a0\u590d\u6742\u5ea6\u00a0\u00a0 \u00a0
\n\u65f6\u95f4\u00a0\u00a0 \u00a0`O(n \u00d7 m)`\u00a0\u00a0 \u00a0
\n\u7a7a\u95f4\u00a0\u00a0 \u00a0`O(n \u00d7 m)`（\u53ef\u4f18\u5316\u5230 `O(m)`，\u53ea\u9700\u4fdd\u7559\u76f8\u90bb\u4e24\u884c）<\/p>\n

\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee\u601d\u8def\u8fd9\u9898\u662f\u524d\u7f00\u548c\u4f18\u5316\u7684\u52a8\u6001\u89c4\u5212\u3002\u72b6\u6001\u5b9a\u4e49（\u4ece\u4e0b\u5f80\u4e0a\u9012\u63a8）：- f[i][j]：\u4ece\u6700\u540e\u4e00\u884c\u51fa\u53d1\u5230\u8fbe (i,j)，\u4e14\u6700\u540e\u4e00\u6b65\u662f\u4ece\u4e0b\u4e00\u884c\u4e0a\u6765\u7684\u8def\u5f84\u6570
\n– g[i][j]：\u4ece\u6700\u540e\u4e00\u884c\u51fa\u53d1\u5230\u8fbe (i,j)，\u4e14\u6700\u540e\u4e00\u6b65\u662f\u540c\u4e00\u884c\u6a2a\u5411\u79fb\u52a8\u6765\u7684\u8def\u5f84\u6570\u8f6c\u79fb：1. \u4ece\u4e0b\u4e00\u884c\u4e0a\u6765：\u4ece (i1, j) \u5230 (i, j)<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99,2692,292,1813,427],"topic":[],"class_list":["post-89515","post","type-post","status-publish","format-standard","hentry","category-server","tag-java","tag-leetcode","tag-292","tag-1813","tag-427"],"yoast_head":"\nKimi LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee Java\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/89515.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kimi LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee Java\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee\u601d\u8def\u8fd9\u9898\u662f\u524d\u7f00\u548c\u4f18\u5316\u7684\u52a8\u6001\u89c4\u5212\u3002\u72b6\u6001\u5b9a\u4e49（\u4ece\u4e0b\u5f80\u4e0a\u9012\u63a8）：- f[i][j]：\u4ece\u6700\u540e\u4e00\u884c\u51fa\u53d1\u5230\u8fbe (i,j)，\u4e14\u6700\u540e\u4e00\u6b65\u662f\u4ece\u4e0b\u4e00\u884c\u4e0a\u6765\u7684\u8def\u5f84\u6570 - g[i][j]：\u4ece\u6700\u540e\u4e00\u884c\u51fa\u53d1\u5230\u8fbe (i,j)，\u4e14\u6700\u540e\u4e00\u6b65\u662f\u540c\u4e00\u884c\u6a2a\u5411\u79fb\u52a8\u6765\u7684\u8def\u5f84\u6570\u8f6c\u79fb：1. \u4ece\u4e0b\u4e00\u884c\u4e0a\u6765：\u4ece (i1, j) \u5230 (i, j)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/89515.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-02T23:32:36+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/89515.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/89515.html\",\"name\":\"Kimi LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee Java\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-08-02T23:32:36+00:00\",\"dateModified\":\"2026-08-02T23:32:36+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/89515.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/89515.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/89515.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Kimi LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee Java\u5b9e\u73b0\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Kimi LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee Java\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/89515.html","og_locale":"zh_CN","og_type":"article","og_title":"Kimi LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee Java\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee\u601d\u8def\u8fd9\u9898\u662f\u524d\u7f00\u548c\u4f18\u5316\u7684\u52a8\u6001\u89c4\u5212\u3002\u72b6\u6001\u5b9a\u4e49（\u4ece\u4e0b\u5f80\u4e0a\u9012\u63a8）：- f[i][j]：\u4ece\u6700\u540e\u4e00\u884c\u51fa\u53d1\u5230\u8fbe (i,j)，\u4e14\u6700\u540e\u4e00\u6b65\u662f\u4ece\u4e0b\u4e00\u884c\u4e0a\u6765\u7684\u8def\u5f84\u6570 - g[i][j]：\u4ece\u6700\u540e\u4e00\u884c\u51fa\u53d1\u5230\u8fbe (i,j)，\u4e14\u6700\u540e\u4e00\u6b65\u662f\u540c\u4e00\u884c\u6a2a\u5411\u79fb\u52a8\u6765\u7684\u8def\u5f84\u6570\u8f6c\u79fb：1. \u4ece\u4e0b\u4e00\u884c\u4e0a\u6765：\u4ece (i1, j) \u5230 (i, j)","og_url":"https:\/\/www.wsisp.com\/helps\/89515.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-08-02T23:32:36+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/89515.html","url":"https:\/\/www.wsisp.com\/helps\/89515.html","name":"Kimi LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee Java\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-08-02T23:32:36+00:00","dateModified":"2026-08-02T23:32:36+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/89515.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/89515.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/89515.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"Kimi LeetCode 3797. \u7edf\u8ba1\u5728\u77e9\u5f62\u683c\u5b50\u91cc\u79fb\u52a8\u7684\u8def\u5f84\u6570\u76ee Java\u5b9e\u73b0"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/89515","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=89515"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/89515\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=89515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=89515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=89515"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=89515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}