{"id":72071,"date":"2026-02-04T21:08:47","date_gmt":"2026-02-04T13:08:47","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/72071.html"},"modified":"2026-02-04T21:08:47","modified_gmt":"2026-02-04T13:08:47","slug":"csp-j-2024-%e5%9c%b0%e5%9b%be%e6%8e%a2%e9%99%a9","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/72071.html","title":{"rendered":"[CSP-J 2024] \u5730\u56fe\u63a2\u9669"},"content":{"rendered":"

\u9898\u76ee\u63cf\u8ff0<\/h4>\n

\u5c0f A \u6253\u7b97\u524d\u5f80\u4e00\u7247\u4e1b\u6797\u53bb\u63a2\u9669\u3002\u4e1b\u6797\u7684\u5730\u7406\u73af\u5883\u5341\u5206\u590d\u6742，\u4e3a\u4e86\u9632\u6b62\u8ff7\u8def，\u4ed6\u5148\u6d3e\u9063\u4e86\u4e00\u4e2a\u673a\u5668\u4eba\u524d\u53bb\u63a2\u8def\u3002<\/p>\n

\u4e1b\u6797\u7684\u5730\u56fe\u53ef\u4ee5\u7528\u4e00\u4e2a\u00a0n\u00a0\u884c\u00a0m\u00a0\u5217\u7684\u5b57\u7b26\u8868\u6765\u8868\u793a\u3002\u6211\u4eec\u5c06\u7b2c\u00a0ii\u00a0\u884c\u7b2c\u00a0jj\u00a0\u5217\u7684\u4f4d\u7f6e\u7684\u5750\u6807\u8bb0\u4f5c\u00a0(i,j)(1\u2264i\u2264n,1\u2264j\u2264m)\u3002\u5982\u679c\u8fd9\u4e2a\u4f4d\u7f6e\u7684\u5b57\u7b26\u4e3a\u00a0x，\u5373\u4ee3\u8868\u8fd9\u4e2a\u4f4d\u7f6e\u4e0a\u6709\u969c\u788d，\u4e0d\u53ef\u901a\u8fc7\u3002\u53cd\u4e4b，\u82e5\u8fd9\u4e2a\u4f4d\u7f6e\u7684\u5b57\u7b26\u4e3a\u00a0 .\u00a0 ，\u5373\u4ee3\u8868\u8fd9\u4e2a\u4f4d\u7f6e\u662f\u4e00\u7247\u7a7a\u5730，\u53ef\u4ee5\u901a\u8fc7\u3002<\/p>\n

\u8fd9\u4e2a\u673a\u5668\u4eba\u7684\u72b6\u6001\u7531\u4f4d\u7f6e\u548c\u671d\u5411\u4e24\u90e8\u5206\u7ec4\u6210\u3002\u5176\u4e2d\u4f4d\u7f6e\u7531\u5750\u6807\u00a0(x,y)(1\u2264x\u2264n,1\u2264y\u2264m) \u523b\u753b，\u5b83\u8868\u793a\u673a\u5668\u4eba\u5904\u5728\u5730\u56fe\u4e0a\u7b2c\u00a0x\u00a0\u884c\u7b2c\u00a0y\u00a0\u5217\u7684\u4f4d\u7f6e\u3002\u800c\u671d\u5411\u7528\u4e00\u4e2a\u00a00\u223c3 \u7684 \u6574\u6570\u00a0d\u00a0\u8868\u793a，\u5176\u4e2d\u00a0d=0 \u4ee3\u8868\u5411\u4e1c，d=1 \u4ee3\u8868\u5411\u5357，d=2 \u4ee3\u8868\u5411\u897f，d=3 \u4ee3\u8868\u5411\u5317\u3002<\/p>\n

\u521d\u59cb\u65f6，\u673a\u5668\u4eba\u7684\u4f4d\u7f6e\u4e3a\u00a0(x0,y0)，\u671d\u5411\u4e3a\u00a0d0\u200b\u3002\u4fdd\u8bc1\u521d\u59cb\u65f6\u673a\u5668\u4eba\u6240\u5728\u7684\u4f4d\u7f6e\u4e3a\u7a7a\u5730\u3002\u63a5\u4e0b\u6765\u673a\u5668\u4eba\u5c06\u8981\u8fdb\u884c\u00a0k\u00a0\u6b21\u64cd\u4f5c\u3002\u6bcf\u4e00\u6b65，\u673a\u5668\u4eba\u5c06\u6309\u7167\u5982\u4e0b\u7684\u6a21\u5f0f\u64cd\u4f5c：<\/p>\n

  • \n

    \u5047\u8bbe\u673a\u5668\u4eba\u5f53\u524d\u5904\u5728\u7684\u4f4d\u7f6e\u4e3a\u00a0(x,y)，\u671d\u5411\u4e3a\u00a0d\u3002\u5219\u5b83\u7684\u65b9\u5411\u4e0a\u7684\u4e0b\u4e00\u6b65\u7684\u4f4d\u7f6e\u00a0(x\u2032,y\u2032) \u5b9a\u4e49\u5982\u4e0b：\u82e5\u00a0d=0，\u5219\u4ee4\u00a0(x\u2032,y\u2032)=(x,y+1)，\u82e5\u00a0d=1，\u5219\u4ee4\u00a0(x\u2032,y\u2032)=(x+1,y)，\u82e5\u00a0d=2，\u5219\u4ee4\u00a0(x\u2032,y\u2032)=(x,y\u22121)，\u82e5\u00a0d=3，\u5219\u4ee4\u00a0(x\u2032,y\u2032)=(x\u22121,y)\u3002<\/p>\n<\/li>\n

  • \n

    \u63a5\u4e0b\u6765，\u673a\u5668\u4eba\u5224\u65ad\u5b83\u4e0b\u4e00\u6b65\u7684\u4f4d\u7f6e\u662f\u5426\u5728\u5730\u56fe\u5185，\u4e14\u662f\u5426\u4e3a\u7a7a\u5730\u3002\u5177\u4f53\u5730\u8bf4，\u5b83\u5224\u00a0 (x\u2032,y\u2032)\u00a0\u662f\u5426\u6ee1\u8db3\u00a01\u2264x\u2032\u2264n,1\u2264y\u2032\u2264m，\u4e14\u00a0(x\u2032,y\u2032) \u4f4d\u7f6e\u4e0a\u662f\u7a7a\u5730\u3002\u5982\u679c\u6761\u4ef6\u6210\u7acb，\u5219\u673a\u5668\u4eba\u4f1a\u5411\u524d\u8d70\u4e00\u6b65\u3002\u5b83\u65b0\u7684\u4f4d\u7f6e\u53d8\u4e3a\u00a0(x\u2032,y\u2032)，\u4e14\u671d\u5411\u4e0d\u53d8\u3002\u5982\u679c\u6761\u4ef6\u4e0d\u6210\u7acb，\u5219\u5b83\u4f1a\u6267\u884c\u201c\u5411\u53f3\u8f6c\u201d\u64cd\u4f5c\u3002\u4e5f\u5c31\u662f\u8bf4，\u4ee4\u00a0d\u2032=(d+1)\u200amod\u200a4（\u5373\u00a0d+1 \u9664\u4ee5\u00a04\u00a0\u7684\u4f59\u6570），\u4e14\u5b83\u6240\u5904\u7684\u4f4d\u7f6e\u4fdd\u6301\u4e0d\u53d8，\u4f46\u671d\u5411\u7531\u00a0d\u00a0\u53d8\u4e3a\u00a0d\u2032\u3002<\/p>\n<\/li>\n

    \u5c0f A \u60f3\u8981\u77e5\u9053，\u5728\u673a\u5668\u4eba\u6267\u884c\u5b8c\u00a0k\u00a0\u6b65\u64cd\u4f5c\u4e4b\u540e，\u5730\u56fe\u4e0a\u6240\u6709\u88ab\u673a\u5668\u4eba\u7ecf\u8fc7\u7684\u4f4d\u7f6e（\u5305\u62ec\u8d77\u59cb\u4f4d\u7f6e）\u6709\u51e0\u4e2a\u3002<\/p>\n

    \u8f93\u5165\u683c\u5f0f<\/h4>\n

    \u672c\u9898\u6709\u591a\u7ec4\u6d4b\u8bd5\u6570\u636e\u3002<\/p>\n

    \u8f93\u5165\u7684\u7b2c\u4e00\u884c\u5305\u542b\u4e00\u4e2a\u6b63\u6574\u6570\u00a0T，\u8868\u793a\u6570\u636e\u7ec4\u6570\u3002<\/p>\n

    \u63a5\u4e0b\u6765\u5305\u542b\u00a0T\u00a0\u7ec4\u6570\u636e，\u6bcf\u7ec4\u6570\u636e\u7684\u683c\u5f0f\u5982\u4e0b：<\/p>\n

    \u7b2c\u4e00\u884c\u5305\u542b\u4e09\u4e2a\u6b63\u6574\u6570\u00a0n,m,k\u3002\u5176\u4e2d\u00a0n,m \u8868\u793a\u5730\u56fe\u7684\u884c\u6570\u548c\u5217\u6570，k\u00a0\u8868\u793a\u673a\u5668\u4eba\u6267\u884c\u64cd\u4f5c\u7684\u6b21\u6570\u3002<\/p>\n

    \u7b2c\u4e8c\u884c\u5305\u542b\u4e24\u4e2a\u6b63\u6574\u6570\u00a0x0,y0\u200b\u00a0\u548c\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u00a0d0\u3002<\/p>\n

    \u63a5\u4e0b\u6765\u00a0n\u00a0\u884c，\u6bcf\u884c\u5305\u542b\u4e00\u4e2a\u957f\u5ea6\u4e3a\u00a0m\u00a0\u7684\u5b57\u7b26\u4e32\u3002\u4fdd\u8bc1\u5b57\u7b26\u4e32\u4e2d\u53ea\u5305\u542b\u00a0xx\u00a0\u548c\u00a0..\u00a0\u4e24\u4e2a\u5b57\u7b26\u3002\u5176\u4e2d，\u7b2c\u00a0x\u00a0\u884c\u7684\u5b57\u7b26\u4e32\u7684\u7b2c y\u00a0\u4e2a\u5b57\u7b26\u4ee3\u8868\u7684\u4f4d\u7f6e\u4e3a\u00a0(x,y)\u3002\u8fd9\u4e2a\u4f4d\u7f6e\u662f\u00a0x\u00a0\u5373\u4ee3\u8868\u5b83\u662f\u969c\u788d，\u5426\u5219\u4ee3\u8868\u5b83\u662f\u7a7a\u5730\u3002\u6570\u636e\u4fdd\u8bc1\u673a\u5668\u4eba\u521d\u59cb\u65f6\u6240\u5728\u7684\u4f4d\u7f6e\u4e3a\u7a7a\u5730\u3002<\/p>\n

    \u8f93\u51fa\u683c\u5f0f<\/h4>\n<\/p>\n

    \u8f93\u5165\u8f93\u51fa\u6837\u4f8b<\/h4>\n

    \u8f93\u5165 #1<\/p>\n

    2 1 5 4 1 1 2 ….x 5 5 20 1 1 0 ….. .xxx. .x.x. ..xx. x….<\/p>\n

    \u8f93\u51fa #1<\/p>\n

    3 13<\/p>\n

    \u6570\u636e\u8303\u56f4\u4e0e\u63d0\u793a<\/h4>\n

    \u5bf9\u4e8e\u6240\u6709\u6d4b\u8bd5\u6570\u636e，\u4fdd\u8bc1：1\u2264T\u22645,1\u2264n,m\u2264103，1\u2264k\u22641061\u2264k\u2264106，1\u2264x0\u2264n，1\u2264y0\u2264m，0\u2264d0\u22643，\u4e14\u673a\u5668\u4eba\u7684\u8d77\u59cb\u4f4d\u7f6e\u4e3a\u7a7a\u5730\u3002<\/p>\n

    \"\"<\/p>\n

    \u5206\u6790<\/h4>\n

    \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u8bf4\u96be\u542c\u70b9，\u8fd9\u9898\u7eaf**<\/p>\n

    \u4e00\u5f00\u59cb，\u6211\u5206\u6790\u4e86\u5f88\u4e45，\u7ed3\u679c\u968f\u624b\u5199\u4e86\u4e2a\u7eaf\u66b4\u529b\u4ee3\u7801\u7ed3\u679c\u5c31\u8fc7\u4e86！<\/p>\n

    （\u8fd9\u91cc，\u6211\u63d0\u9192\u6240\u6709\u57fa\u53cb\u4eec，\u9047\u5230\u96be\u9898，\u5343\u4e07\u4e0d\u8981\u60f3\u592a\u592a\u592a\u592a\u592a\u4e45，\u5b9e\u5728\u6ca1\u601d\u8def，\u5c31\u5199\u4e00\u4e2a\u66b4\u529b，\u8bf4\u4e0d\u5b9a\u8fd8\u80fd\u5168\u5bf9，\u6216\u8005\u4e5f\u80fd\u635e\u70b9\u5206，\u8fd8\u4f1a\u4e3a\u540e\u9762\u7684\u601d\u8003\u5960\u5b9a\u57fa\u7840\u3002）<\/p>\n

    \u4ee3\u7801<\/h4>\n

    #include<bits\/stdc++.h>
    \nusing namespace std;
    \nint dx[4]={0,1,0,-1};
    \nint dy[4]={1,0,-1,0};
    \nchar mp[1010][1010];
    \nbool vis[1010][1010];
    \nint main(){
    \n int T;
    \ncin>>T;
    \nwhile(T–){
    \nmemset(vis,0,sizeof vis);
    \nmemset(mp,0,sizeof mp);
    \nint n,m,k,x,y,d,sum;
    \ncin>>n>>m>>k>>x>>y>>d;
    \nfor(int i=1;i<=n;i++){
    \n for(int j=1;j<=m;j++) cin>>mp[i][j];
    \n }
    \nsum=1,vis[x][y]=1;
    \nwhile(k–){
    \nint nx=x+dx[d],ny=y+dy[d];
    \nif(mp[nx][ny]=='.'){
    \nif(vis[nx][ny]==0)sum++,vis[nx][ny]=1;
    \nx=nx,y=ny;
    \n}else d=(d+1)%4;
    \n}
    \ncout<<sum<<endl;
    \n}
    \nreturn 0;
    \n} <\/p>\n

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

    \u9898\u76ee\u63cf\u8ff0
    \n\u5c0f A \u6253\u7b97\u524d\u5f80\u4e00\u7247\u4e1b\u6797\u53bb\u63a2\u9669\u3002\u4e1b\u6797\u7684\u5730\u7406\u73af\u5883\u5341\u5206\u590d\u6742，\u4e3a\u4e86\u9632\u6b62\u8ff7\u8def，\u4ed6\u5148\u6d3e\u9063\u4e86\u4e00\u4e2a\u673a\u5668\u4eba\u524d\u53bb\u63a2\u8def\u3002
    \n\u4e1b\u6797\u7684\u5730\u56fe\u53ef\u4ee5\u7528\u4e00\u4e2a\u00a0n\u00a0\u884c\u00a0m\u00a0\u5217\u7684\u5b57\u7b26\u8868\u6765\u8868\u793a\u3002\u6211\u4eec\u5c06\u7b2c\u00a0ii\u00a0\u884c\u7b2c\u00a0jj\u00a0\u5217\u7684\u4f4d\u7f6e\u7684\u5750\u6807\u8bb0\u4f5c\u00a0(i,j)(1\u2264i\u2264n,1\u2264j\u2264m)\u3002\u5982\u679c\u8fd9\u4e2a\u4f4d\u7f6e\u7684\u5b57\u7b26\u4e3a\u00a0x，\u5373\u4ee3\u8868\u8fd9\u4e2a\u4f4d\u7f6e\u4e0a\u6709\u969c\u788d，\u4e0d\u53ef\u901a\u8fc7\u3002\u53cd\u4e4b，\u82e5\u8fd9\u4e2a\u4f4d\u7f6e\u7684\u5b57\u7b26\u4e3a\u00a0 .\u00a0 ，\u5373\u4ee3\u8868\u8fd9\u4e2a\u4f4d\u7f6e\u662f\u4e00\u7247\u7a7a\u5730，\u53ef\u4ee5\u901a<\/p>\n","protected":false},"author":2,"featured_media":72070,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[427],"topic":[],"class_list":["post-72071","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-427"],"yoast_head":"\n[CSP-J 2024] \u5730\u56fe\u63a2\u9669 - \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\/72071.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[CSP-J 2024] \u5730\u56fe\u63a2\u9669 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u9898\u76ee\u63cf\u8ff0 \u5c0f A \u6253\u7b97\u524d\u5f80\u4e00\u7247\u4e1b\u6797\u53bb\u63a2\u9669\u3002\u4e1b\u6797\u7684\u5730\u7406\u73af\u5883\u5341\u5206\u590d\u6742，\u4e3a\u4e86\u9632\u6b62\u8ff7\u8def，\u4ed6\u5148\u6d3e\u9063\u4e86\u4e00\u4e2a\u673a\u5668\u4eba\u524d\u53bb\u63a2\u8def\u3002 \u4e1b\u6797\u7684\u5730\u56fe\u53ef\u4ee5\u7528\u4e00\u4e2a\u00a0n\u00a0\u884c\u00a0m\u00a0\u5217\u7684\u5b57\u7b26\u8868\u6765\u8868\u793a\u3002\u6211\u4eec\u5c06\u7b2c\u00a0ii\u00a0\u884c\u7b2c\u00a0jj\u00a0\u5217\u7684\u4f4d\u7f6e\u7684\u5750\u6807\u8bb0\u4f5c\u00a0(i,j)(1\u2264i\u2264n,1\u2264j\u2264m)\u3002\u5982\u679c\u8fd9\u4e2a\u4f4d\u7f6e\u7684\u5b57\u7b26\u4e3a\u00a0x，\u5373\u4ee3\u8868\u8fd9\u4e2a\u4f4d\u7f6e\u4e0a\u6709\u969c\u788d，\u4e0d\u53ef\u901a\u8fc7\u3002\u53cd\u4e4b，\u82e5\u8fd9\u4e2a\u4f4d\u7f6e\u7684\u5b57\u7b26\u4e3a\u00a0 .\u00a0 ，\u5373\u4ee3\u8868\u8fd9\u4e2a\u4f4d\u7f6e\u662f\u4e00\u7247\u7a7a\u5730，\u53ef\u4ee5\u901a\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/72071.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-04T13:08:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204130846-698344de177ad.png\" \/>\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\/72071.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/72071.html\",\"name\":\"[CSP-J 2024] \u5730\u56fe\u63a2\u9669 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-02-04T13:08:47+00:00\",\"dateModified\":\"2026-02-04T13:08:47+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/72071.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/72071.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/72071.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"[CSP-J 2024] \u5730\u56fe\u63a2\u9669\"}]},{\"@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":"[CSP-J 2024] \u5730\u56fe\u63a2\u9669 - \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\/72071.html","og_locale":"zh_CN","og_type":"article","og_title":"[CSP-J 2024] \u5730\u56fe\u63a2\u9669 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u9898\u76ee\u63cf\u8ff0 \u5c0f A \u6253\u7b97\u524d\u5f80\u4e00\u7247\u4e1b\u6797\u53bb\u63a2\u9669\u3002\u4e1b\u6797\u7684\u5730\u7406\u73af\u5883\u5341\u5206\u590d\u6742，\u4e3a\u4e86\u9632\u6b62\u8ff7\u8def，\u4ed6\u5148\u6d3e\u9063\u4e86\u4e00\u4e2a\u673a\u5668\u4eba\u524d\u53bb\u63a2\u8def\u3002 \u4e1b\u6797\u7684\u5730\u56fe\u53ef\u4ee5\u7528\u4e00\u4e2a\u00a0n\u00a0\u884c\u00a0m\u00a0\u5217\u7684\u5b57\u7b26\u8868\u6765\u8868\u793a\u3002\u6211\u4eec\u5c06\u7b2c\u00a0ii\u00a0\u884c\u7b2c\u00a0jj\u00a0\u5217\u7684\u4f4d\u7f6e\u7684\u5750\u6807\u8bb0\u4f5c\u00a0(i,j)(1\u2264i\u2264n,1\u2264j\u2264m)\u3002\u5982\u679c\u8fd9\u4e2a\u4f4d\u7f6e\u7684\u5b57\u7b26\u4e3a\u00a0x，\u5373\u4ee3\u8868\u8fd9\u4e2a\u4f4d\u7f6e\u4e0a\u6709\u969c\u788d，\u4e0d\u53ef\u901a\u8fc7\u3002\u53cd\u4e4b，\u82e5\u8fd9\u4e2a\u4f4d\u7f6e\u7684\u5b57\u7b26\u4e3a\u00a0 .\u00a0 ，\u5373\u4ee3\u8868\u8fd9\u4e2a\u4f4d\u7f6e\u662f\u4e00\u7247\u7a7a\u5730，\u53ef\u4ee5\u901a","og_url":"https:\/\/www.wsisp.com\/helps\/72071.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-02-04T13:08:47+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260204130846-698344de177ad.png"}],"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\/72071.html","url":"https:\/\/www.wsisp.com\/helps\/72071.html","name":"[CSP-J 2024] \u5730\u56fe\u63a2\u9669 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-02-04T13:08:47+00:00","dateModified":"2026-02-04T13:08:47+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/72071.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/72071.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/72071.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"[CSP-J 2024] \u5730\u56fe\u63a2\u9669"}]},{"@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\/72071","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=72071"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/72071\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/72070"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=72071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=72071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=72071"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=72071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}