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Each constraint is of the form "',(0,a.jsx)(n.span,{className:"math math-inline",children:(0,a.jsxs)(n.span,{className:"katex",children:[(0,a.jsx)(n.span,{className:"katex-mathml",children:(0,a.jsx)(n.math,{xmlns:"http://www.w3.org/1998/Math/MathML",children:(0,a.jsxs)(n.semantics,{children:[(0,a.jsx)(n.mrow,{children:(0,a.jsx)(n.mi,{children:"X"})}),(0,a.jsx)(n.annotation,{encoding:"application/x-tex",children:"X"})]})})}),(0,a.jsx)(n.span,{className:"katex-html","aria-hidden":"true",children:(0,a.jsxs)(n.span,{className:"base",children:[(0,a.jsx)(n.span,{className:"strut",style:{height:"0.6833em"}}),(0,a.jsx)(n.span,{className:"mord mathnormal",style:{marginRight:"0.07847em"},children:"X"})]})})]})})," must be milked beside ",(0,a.jsx)(n.span,{className:"math math-inline",children:(0,a.jsxs)(n.span,{className:"katex",children:[(0,a.jsx)(n.span,{className:"katex-mathml",children:(0,a.jsx)(n.math,{xmlns:"http://www.w3.org/1998/Math/MathML",children:(0,a.jsxs)(n.semantics,{children:[(0,a.jsx)(n.mrow,{children:(0,a.jsx)(n.mi,{children:"Y"})}),(0,a.jsx)(n.annotation,{encoding:"application/x-tex",children:"Y"})]})})}),(0,a.jsx)(n.span,{className:"katex-html","aria-hidden":"true",children:(0,a.jsxs)(n.span,{className:"base",children:[(0,a.jsx)(n.span,{className:"strut",style:{height:"0.6833em"}}),(0,a.jsx)(n.span,{className:"mord mathnormal",style:{marginRight:"0.22222em"},children:"Y"})]})})]})}),'", stipulating that cow ',(0,a.jsx)(n.span,{className:"math math-inline",children:(0,a.jsxs)(n.span,{className:"katex",children:[(0,a.jsx)(n.span,{className:"katex-mathml",children:(0,a.jsx)(n.math,{xmlns:"http://www.w3.org/1998/Math/MathML",children:(0,a.jsxs)(n.semantics,{children:[(0,a.jsx)(n.mrow,{children:(0,a.jsx)(n.mi,{children:"X"})}),(0,a.jsx)(n.annotation,{encoding:"application/x-tex",children:"X"})]})})}),(0,a.jsx)(n.span,{className:"katex-html","aria-hidden":"true",children:(0,a.jsxs)(n.span,{className:"base",children:[(0,a.jsx)(n.span,{className:"strut",style:{height:"0.6833em"}}),(0,a.jsx)(n.span,{className:"mord mathnormal",style:{marginRight:"0.07847em"},children:"X"})]})})]})})," must appear in the milking order either directly after cow ",(0,a.jsx)(n.span,{className:"math math-inline",children:(0,a.jsxs)(n.span,{className:"katex",children:[(0,a.jsx)(n.span,{className:"katex-mathml",children:(0,a.jsx)(n.math,{xmlns:"http://www.w3.org/1998/Math/MathML",children:(0,a.jsxs)(n.semantics,{children:[(0,a.jsx)(n.mrow,{children:(0,a.jsx)(n.mi,{children:"Y"})}),(0,a.jsx)(n.annotation,{encoding:"application/x-tex",children:"Y"})]})})}),(0,a.jsx)(n.span,{className:"katex-html","aria-hidden":"true",children:(0,a.jsxs)(n.span,{className:"base",children:[(0,a.jsx)(n.span,{className:"strut",style:{height:"0.6833em"}}),(0,a.jsx)(n.span,{className:"mord mathnormal",style:{marginRight:"0.22222em"},children:"Y"})]})})]})})," or directly before cow ",(0,a.jsx)(n.span,{className:"math math-inline",children:(0,a.jsxs)(n.span,{className:"katex",children:[(0,a.jsx)(n.span,{className:"katex-mathml",children:(0,a.jsx)(n.math,{xmlns:"http://www.w3.org/1998/Math/MathML",children:(0,a.jsxs)(n.semantics,{children:[(0,a.jsx)(n.mrow,{children:(0,a.jsx)(n.mi,{children:"Y"})}),(0,a.jsx)(n.annotation,{encoding:"application/x-tex",children:"Y"})]})})}),(0,a.jsx)(n.span,{className:"katex-html","aria-hidden":"true",children:(0,a.jsxs)(n.span,{className:"base",children:[(0,a.jsx)(n.span,{className:"strut",style:{height:"0.6833em"}}),(0,a.jsx)(n.span,{className:"mord mathnormal",style:{marginRight:"0.22222em"},children:"Y"})]})})]})}),"."]}),(0,a.jsx)(n.p,{children:"Please help Farmer John determine an ordering of his cows that satisfies all of these required constraints. It is guaranteed that an ordering is always possible. If several orderings work, then please output the one that is alphabetically first. That is, the first cow should have the alphabetically lowest name of all possible cows that could appear first in any valid ordering. 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* Adopted from official solution at\n * http://www.usaco.org/current/data/sol_lineup_bronze_dec19.html\n */\n#include \n#include \n#include \n#include \n\nusing namespace std;\n\nstring names[8] = {"Beatrice", "Belinda", "Bella", "Bessie", "Betsy", "Blue", "Buttercup", "Sue"};\n// beside_a \u548c beside_b \u4e2d\u5bf9\u5e94\u4e0b\u6807\u7684\u5976\u725b\u8868\u793a\u4e00\u7ec4\u7ea6\u675f\u5173\u7cfb\nvector beside_a, beside_b;\nint n;\n\nint getID(string name) {\n for (int i = 0; i < 8; i++)\n if (names[i] == name)\n return i;\n return -1;\n}\n\nbool satisfies_constraints() {\n for (int i = 0; i < n; i++)\n if (abs(getID(beside_a[i]) - getID(beside_b[i])) != 1)\n return false;\n return true;\n}\n\nint main() {\n ifstream fin("lineup.in");\n ofstream fout("lineup.out");\n fin >> n;\n string a, b;\n for (int i = 0; i < n; i++) {\n fin >> a >> b >> b >> b >> b >> b;\n beside_a.push_back(a);\n beside_b.push_back(b);\n }\n // \u904d\u5386\u6240\u6709\u76848\u5934\u5976\u725b\u7684\u6392\u5217\uff0c\u8f93\u51fa\u7b2c\u4e00\u4e2a\u6ee1\u8db3\u7ea6\u675f\u7684\u89e3\n do {\n if (satisfies_constraints()) {\n for (int i = 0; i < 8; i++)\n fout << names[i] << endl;\n return 0;\n }\n } while (next_permutation(names.begin(), names.end()));\n return 0;\n}\n'})}),"\n",(0,a.jsx)(n.p,{children:"\u6784\u9020\u6cd5\u7684\u4ee3\u7801\uff1a"}),"\n",(0,a.jsx)(n.pre,{children:(0,a.jsx)(n.code,{className:"language-cpp",children:'#include \n#include \n\nusing namespace std;\n\nstruct cow {\n int adj[2]; // \u9700\u8981\u548c\u8fd9\u5934\u5976\u725b\u76f8\u90bb\u7684\u5976\u725b\u7684ID\n int adjcnt; // \u8fd9\u5934\u5976\u725b\u4e00\u5171\u6709\u51e0\u4e2a\u7ea6\u675f\u6761\u4ef6\uff1b\u51b3\u5b9a\u4e86\u80fd\u5426\u628a\u5b83\u653e\u5728\u7ea6\u675f\u94fe\u7684\u5f00\u5934\n bool chosen; // \u662f\u5426\u5df2\u7ecf\u8fdb\u961f\n} cows[8];\nstring names[8] = {"Beatrice", "Belinda", "Bella", "Bessie", "Betsy", "Blue", "Buttercup", "Sue"};\n\nint getID(string name) {\n for(int i = 0; i < 8; i++)\n if(names[i] == name)\n return i;\n return -1;\n}\n\nint main() {\n ifstream fin("lineup.in");\n ofstream fout("lineup.out");\n int n;\n fin >> n;\n string a, b;\n for (int i = 0; i < n; i++) {\n fin >> a >> b >> b >> b >> b >> b;\n cows[getID(a)].adj[cows[getID(a)].adjcnt++] = getID(b);\n cows[getID(b)].adj[cows[getID(b)].adjcnt++] = getID(a);\n }\n int prev = -1;\n // \u6bcf\u6b21\u5faa\u73af\u5411\u961f\u5217\u4e2d\u6dfb\u52a0\u4e00\u5934\u5976\u725b\uff1b\u5982\u679c\u4e0a\u4e00\u5934\u5976\u725b\u6ca1\u6709\u66f4\u591a\u7684\u7ea6\u675f\u6761\u4ef6\u4e86\uff0c\u5219\u53ef\u4ee5\u9009\u62e9\u4e00\u5934\u65b0\u7684\uff0c\u5426\u5219\u9009\u62e9\u9700\u8981\u548c\u4e0a\u4e00\u5934\u76f8\u90bb\u7684\u5976\u725b\n for (int _ = 0; _ < 8; _++) {\n if (_ == 0 || cows[prev].adjcnt == 0) {\n for (int i = 0; i < 8; i++) {\n if (!cows[i].chosen && cows[i].adjcnt < 2) {\n cows[i].chosen = true;\n fout << names[i] << endl;\n prev = i;\n break;\n }\n }\n } else if (cows[prev].adjcnt == 1) {\n int i = cows[prev].adj[0];\n cows[i].chosen = true;\n // \u8fd9\u91cc\u7684\u64cd\u4f5c\u662f\u5728\u628acows[i]\u6dfb\u52a0\u5165\u961f\u5217\u7684\u540c\u65f6\u201c\u5220\u9664\u201d\u6389\u5b83\u5df2\u7ecf\u6ee1\u8db3\u7684\u90a3\u6761\u7ea6\u675f\n cows[i].adjcnt--;\n if(cows[i].adj[0] == prev)\n cows[i].adj[0] = cows[i].adj[1];\n fout << names[i] << endl;\n prev = i;\n }\n }\n return 0;\n}\n'})})]})}n.default=function(e={}){const{wrapper:n}=Object.assign({},(0,t.ah)(),e.components);return n?(0,a.jsx)(n,Object.assign({},e,{children:(0,a.jsx)(o,e)})):o(e)}},4997:function(e,n,s){s.d(n,{Zo:function(){return l},ah:function(){return i}});var a=s(6677);const t=a.createContext({});function i(e){const n=a.useContext(t);return a.useMemo((()=>"function"==typeof e?e(n):{...n,...e}),[n,e])}const r={};function l({components:e,children:n,disableParentContext:s}){let l;return l=s?"function"==typeof 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diff --git a/assets/js/448a255d.e55b564d.js b/assets/js/448a255d.e55b564d.js
deleted file mode 100644
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diff --git a/assets/js/50aee6de.eb26f195.js b/assets/js/50aee6de.6480369d.js
similarity index 73%
rename from assets/js/50aee6de.eb26f195.js
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math-inline",children:(0,n.jsxs)(a.span,{className:"katex",children:[(0,n.jsx)(a.span,{className:"katex-mathml",children:(0,n.jsx)(a.math,{xmlns:"http://www.w3.org/1998/Math/MathML",children:(0,n.jsxs)(a.semantics,{children:[(0,n.jsxs)(a.mrow,{children:[(0,n.jsxs)(a.msub,{children:[(0,n.jsx)(a.mi,{children:"w"}),(0,n.jsx)(a.mi,{children:"i"})]}),(0,n.jsx)(a.mo,{children:"<"}),(0,n.jsx)(a.mn,{children:"0"})]}),(0,n.jsx)(a.annotation,{encoding:"application/x-tex",children:"w_i < 0"})]})})}),(0,n.jsxs)(a.span,{className:"katex-html","aria-hidden":"true",children:[(0,n.jsxs)(a.span,{className:"base",children:[(0,n.jsx)(a.span,{className:"strut",style:{height:"0.6891em",verticalAlign:"-0.15em"}}),(0,n.jsxs)(a.span,{className:"mord",children:[(0,n.jsx)(a.span,{className:"mord mathnormal",style:{marginRight:"0.02691em"},children:"w"}),(0,n.jsx)(a.span,{className:"msupsub",children:(0,n.jsxs)(a.span,{className:"vlist-t 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diff --git a/assets/js/aa18f39c.d2cf23a3.js b/assets/js/aa18f39c.d2cf23a3.js
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@@ -1 +0,0 @@
-"use strict";(self.webpackChunkcomputerization_website=self.webpackChunkcomputerization_website||[]).push([[1477],{10:function(n){n.exports=JSON.parse('{"blogPosts":[{"id":"/2021/11/24/network-flow","metadata":{"permalink":"/blog/2021/11/24/network-flow","source":"@site/blog/2021-11-24-network-flow.md","title":"OI \u90e8\u6d3b\u52a8-\u7f51\u7edc\u6d41\u95ee\u9898\u4ecb\u7ecd","description":"\u5728\u4eca\u5929 C \u793e OI \u90e8\u7684\u6d3b\u52a8\u4e2d\uff0c\u6211\u4eec\u5148\u8fdb\u884c\u4e86\u7834\u51b0\u6d3b\u52a8\u2014\u2014\u81ea\u6211\u4ecb\u7ecd\u5e76\u4ea4\u6d41\u6709\u8da3\u7684\u7b97\u6cd5\u77e5\u8bc6\u3002\u901a\u8fc7\u8fd9\u72ec\u7279\u7684\u5f62\u5f0f\u6211\u4eec\u5f97\u4ee5\u589e\u8fdb\u5bf9\u5f7c\u6b64\u7684\u4e86\u89e3\uff0c\u5e76\u4e3a\u4e4b\u540e\u7684\u5408\u4f5c\u6253\u4e0b\u57fa\u7840\u3002","date":"2021-11-24T00:00:00.000Z","formattedDate":"2021\u5e7411\u670824\u65e5","tags":[{"label":"algorithm","permalink":"/blog/tags/algorithm"}],"readingTime":12.97,"hasTruncateMarker":true,"authors":[{"name":"\u987e\u6dc7\u5143 Alex","title":"2023 \u5c4a\u7b97\u6cd5\u5c0f\u7ec4\u6210\u5458","url":"https://github.com/phoeniiix1203","imageURL":"https://github.com/phoeniiix1203.png","key":"alex-gu"}],"frontMatter":{"authors":"alex-gu","tags":["algorithm"]},"nextItem":{"title":"Livestock Lineup","permalink":"/blog/2020/12/02/algorithm5"}},"content":"\u5728\u4eca\u5929 C \u793e OI \u90e8\u7684\u6d3b\u52a8\u4e2d\uff0c\u6211\u4eec\u5148\u8fdb\u884c\u4e86\u7834\u51b0\u6d3b\u52a8\u2014\u2014\u81ea\u6211\u4ecb\u7ecd\u5e76\u4ea4\u6d41\u6709\u8da3\u7684\u7b97\u6cd5\u77e5\u8bc6\u3002\u901a\u8fc7\u8fd9\u72ec\u7279\u7684\u5f62\u5f0f\u6211\u4eec\u5f97\u4ee5\u589e\u8fdb\u5bf9\u5f7c\u6b64\u7684\u4e86\u89e3\uff0c\u5e76\u4e3a\u4e4b\u540e\u7684\u5408\u4f5c\u6253\u4e0b\u57fa\u7840\u3002\\n\\n\u4e4b\u540e\uff0c\u6211\u4eec\u6311\u9009\u4e86\u6700\u611f\u5174\u8da3\u7684\u7f51\u7edc\u6d41\u8fd9\u4e00\u7c7b\u7b97\u6cd5\u95ee\u9898\u8fdb\u884c\u8be6\u7ec6\u7684\u8bb2\u89e3\u3002\u6211\u4eec\u4ece\u7f51\u7edc\u6d41\u56fe\u7684\u57fa\u672c\u6982\u5ff5\u5f00\u59cb\uff0c\u4f8b\u5982**\u6e90\uff0c\u6c47\u70b9**\uff0c**\u5269\u4f59\u5bb9\u91cf**\uff0c**\u6700\u5927\u6d41**\uff0c**\u6700\u5c0f\u5272** \u7b49\u7b49\u3002\u5176\u4e2d\u6700\u4e3a\u8da3\u5473\u7684\u662f**\u6700\u5c0f\u5272**\uff0c\u5176\u5b9a\u4e49\u4e3a\u5220\u53bb\u82e5\u5e72\u6761\u8fb9\u4f7f\u5f97\u67d0\u4e24\u70b9 $(u,v)$ \u4e0d\u4e92\u901a\uff0c\u8fd9\u82e5\u5e72\u6761\u8fb9\u8fb9\u6743\u548c\u7684\u6700\u5c0f\u503c\u3002\\n\\n\u63a5\u4e0b\u6765\u901a\u8fc7\u4e0d\u65ad\u4f18\u5316\u7b97\u6cd5\uff0c\u4f8b\u5982\u7075\u6d3b\u8fd0\u7528 `Edmond-Karp` \u52a8\u80fd\u7b97\u6cd5\uff08\u590d\u6742\u5ea6 $O(nm^2)$ \uff09\uff0c `Dinic` \u7b97\u6cd5\uff08\u590d\u6742\u5ea6 $O(n^2m)$ \uff09\u548c `ISAP` \u7b97\u6cd5\uff08\u590d\u6742\u5ea6 $O(n^2m)$ \uff0c\u4e0d\u9700 BFS \u591a\u6b21\uff09\u3002\u6b64\u5916\u8fd8\u8bb2\u89e3\u4e86\u4e00\u4e2a\u4f18\u7f8e\u7684\u5b9a\u7406\uff1a**\u6700\u5927\u6d41\u6700\u5c0f\u5272\u5b9a\u7406**\u3002\u8fd9\u4e00\u5b9a\u7406\u5728\u4e00\u4e9b\u56fe\u8bba\u95ee\u9898\u4e2d\u6709\u7740\u6709\u8da3\u7684\u5e94\u7528\uff1a\\n\\n\x3c!-- truncate --\x3e\\n\\n## \u4f8b\u9898\\n\\n\\n\\n### \\\\[\u6e05\u534e\u96c6\u8bad 2012] \u6700\u5c0f\u751f\u6210\u6811\\n\\n\u7ed9\u5b9a\u4e00\u4e2a\u8fb9\u5e26\u6b63\u6743\u7684\u8fde\u901a\u65e0\u5411\u56fe $G=(V, E)$\uff0c\u5176\u4e2d $N=|V|, M=|E|$\uff0c$N$ \u4e2a\u70b9\u4ece $1$ \u5230 $N$ \u4f9d\u6b21\u7f16\u53f7\uff0c\u7ed9\u5b9a\u4e09\u4e2a\u6b63\u6574\u6570 $u, v$ \u548c $L(u\\\\ne v)$\uff0c\u5047\u8bbe\u73b0\u5728\u52a0\u5165\u4e00\u6761\u8fb9\u6743\u4e3a $L$ \u7684\u8fb9 $(u, v)$\uff0c\u90a3\u4e48\u9700\u8981\u5220\u6389\u6700\u5c11\u591a\u5c11\u6761\u8fb9\uff0c\u624d\u80fd\u591f\u4f7f\u5f97\u8fd9\u6761\u8fb9\u65e2\u53ef\u80fd\u51fa\u73b0\u5728\u6700\u5c0f\u751f\u6210\u6811\u4e0a\uff0c\u4e5f\u53ef\u80fd\u51fa\u73b0\u5728\u6700\u5927\u751f\u6210\u6811\u4e0a\uff1f\\n\\n\u6570\u636e\u8303\u56f4\uff1a $N \\\\le 2 \\\\times 10^4, M \\\\le 2 \\\\times 10^5$\\n\\n\\n\\n\u5982\u679c\u4e00\u6761\u8fb9 $(u, v, L)$ \u4e00\u5b9a\u51fa\u73b0\u5728\u6700\u5c0f\u751f\u6210\u6811\u4e0a\uff0c\u90a3\u4e48\u9700\u8981\u6ee1\u8db3\uff1a\u5373\u4f7f\u628a\u8fb9\u6743 $< L$ \u5f97\u6240\u6709\u8fb9\u8fde\u4e0a\uff0c $u, v$ \u4e5f\u4e0d\u8fde\u901a\uff0c\u90a3\u4e48\u5c31\u5fc5\u987b\u9009\u62e9 $(u, v, L)$\\n\\n\u628a\u7ed9\u5b9a\u8fb9\u7684 $u, v$ \u5206\u522b\u4f5c\u4e3a\u6e90\u6c47\u70b9\uff0c\u539f\u56fe\u4e2d\u6240\u6709 $w < L$ \u7684\u8fb9 $(u, v, w)$ \u8fde\u5165\u7f51\u7edc\u6d41\uff0c\u6ce8\u610f\u662f**\u65e0\u5411\u56fe**\uff0c\u6240\u4ee5\u53cd\u8fb9\u521d\u59cb\u5bb9\u91cf\u4e3a $1$\\n\\n\u6700\u5927\u751f\u6210\u6811\u540c\u7406\uff0c\u91cd\u7f6e\u4e00\u904d\u6d41\u518d\u6c42\u4e00\u904d\uff0c\u7136\u540e\u548c\u4e0a\u4e00\u6b21\u7684\u7b54\u6848\u76f8\u52a0\u8f93\u51fa\u5373\u53ef\\n\\n```cpp\\n// #define ONLINE_JUDGE\\n#include \\nusing namespace std;\\nconst int Inf = 0x3f3f3f3f;\\ntypedef pair pii;\\ntypedef long long ll;\\ntypedef std::string str;\\ntypedef double db;\\n#define pbk push_back\\n#define mk_pr make_pair\\n#define elif else if\\n#define IL inline\\n#define IT(i, lim) for (int i = 1; i <= lim; ++i)\\n#define MST(x, k) memset(x, k, sizeof(x))\\n#define QMST(a, k, sz) memset(a, k, sizeof(int) * (sz + 2))\\n#ifndef ONLINE_JUDGE\\n#define DBG(x) std::cerr << #x << \\" = \\" << x << \\" \\";\\n#define ETR std::cerr << endl;\\n#define DBG_S(k) \\\\\\n std::cerr << #k << \\" = \\" << std::bitset<8>(k) << \\" (\\" << k << \\")\\" \\\\\\n << std::endl;\\n#else\\n#define DBG(x)\\n#define DBG_S(k)\\n#define ETR\\n#endif\\n\\ntemplate \\nvoid Mx(T &x, T y)\\n{\\n x = x > y ? x : y;\\n}\\n\\ntemplate \\nvoid Mn(T &x, T y) { x = x < y ? x : y; }\\n\\ninline void Read(const std::string &name = \\"a\\")\\n{\\n#ifndef ONLINE_JUDGE\\n freopen((name + \\".in\\").c_str(), \\"r\\", stdin);\\n // freopen((name + \\".out\\").c_str(), \\"w\\", stdout);\\n freopen((name + \\".log\\").c_str(), \\"w\\", stderr);\\n#endif\\n ios::sync_with_stdio(0);\\n cin.tie(0);\\n cout.tie(0);\\n}\\n\\nvoid Solve();\\n\\nsigned main()\\n{\\n Read();\\n Solve();\\n return 0;\\n}\\n\\nconst int M = 2e5 + 5;\\n// const int p = ;\\nstruct Ed\\n{\\n int v, n, w;\\n Ed(int v_ = 0, int n_ = 0, int w_ = 0) : v(v_), n(n_), w(w_){};\\n};\\n\\nEd e[M << 1];\\nint hd[M << 1], t_e = 1;\\ninline void Add(int u = 0, int v = 0, int w = 0)\\n{\\n e[++t_e] = Ed(v, hd[u], w);\\n hd[u] = t_e;\\n}\\n\\nIL void Link(int u, int v, int w = 1)\\n{\\n Add(u, v, w);\\n Add(v, u, w);\\n}\\n\\nint h[M];\\n\\nIL bool Bfs(int s, int t)\\n{\\n memset(h, 0, sizeof(h));\\n queue q;\\n q.push(s);\\n h[s] = 1;\\n while (!q.empty())\\n {\\n int u = q.front();\\n q.pop();\\n for (int i = hd[u]; i; i = e[i].n)\\n {\\n int v = e[i].v;\\n if (e[i].w && !h[v])\\n {\\n h[v] = h[u] + 1;\\n q.push(v);\\n }\\n }\\n }\\n return h[t];\\n}\\n\\nint Dfs(int u, int t, int i_f = Inf)\\n{\\n if (u == t)\\n return i_f;\\n int tof = 0;\\n for (int i = hd[u]; i && i_f; i = e[i].n)\\n {\\n int v = e[i].v;\\n if (e[i].w && h[v] == h[u] + 1)\\n {\\n int cof = Dfs(v, t, min(e[i].w, i_f));\\n if (!cof)\\n {\\n h[v] = -1;\\n continue;\\n }\\n e[i].w -= cof;\\n e[i ^ 1].w += cof;\\n i_f -= cof;\\n tof += cof;\\n }\\n }\\n return tof;\\n}\\n\\nIL int Dinic(int s, int t)\\n{\\n int mx_f = 0;\\n while (Bfs(s, t))\\n mx_f += Dfs(s, t);\\n return mx_f;\\n}\\n\\nint u_[M], v_[M], w_[M];\\nvoid Clear()\\n{\\n t_e = 1;\\n MST(hd, 0);\\n}\\n\\nvoid Solve()\\n{\\n int n, m;\\n cin >> n >> m;\\n IT(i, m)\\n cin >> u_[i] >> v_[i] >> w_[i];\\n int s, t, L;\\n cin >> s >> t >> L;\\n IT(i, m)\\n if (w_[i] < L)\\n Link(u_[i], v_[i]);\\n int ans = Dinic(s, t);\\n Clear();\\n IT(i, m)\\n if (w_[i] > L)\\n Link(u_[i], v_[i]);\\n cout << ans + Dinic(s, t);\\n}\\n```\\n\\n\\n\\n### \\\\[SHOI2010] \u6700\u5c0f\u751f\u6210\u6811\\n\\n\u7ed9\u5b9a\u4e00\u5f20\u65e0\u5411\u56fe\uff0c\u8981\u6c42\u8fb9 $L_{a, b}$ \u5fc5\u987b\u5728 MST \u4e2d\uff0c\u6bcf\u6b21\u64cd\u4f5c\u53ef\u4ee5\u9009\u5b9a\u4e00\u6761\u8fb9 $(u, v)$ \u518d\u5c06\u56fe\u4e2d\u6240\u6709\u9664\u8fd9\u6761\u8fb9\u5916\u7684\u8fb9\u7684\u6743\u503c\u51cf\u5c11 $1$ \uff0c\u6c42\u6700\u5c11\u64cd\u4f5c\u51e0\u6b21\\n\\n\u6570\u636e\u8303\u56f4\uff1a $n \\\\le 500, m \\\\le 800$\\n\\n\\n\\n\u7c7b\u4f3c\u6e05\u534e\u96c6\u8bad\u9898\u76ee\u7684\u505a\u6cd5\uff0c\u6bcf\u6b21\u90fd\u9009\u62e9\u4e00\u6761\u8fb9\u6743\u5c0f\u4e8e\u7b49\u4e8e $L_{a, b}$ \u7684\u8fb9 $(u, v, w)$ \u64cd\u4f5c\uff0c\u5219\u64cd\u4f5c $L_{a, b} - w + 1$ \u6b21\u540e\u8fd9\u6761\u8fb9\u5c31\u4e0d\u6bd4 $L_{a, b}$ \u4f18\u4e86\u3002\u53e6\u4e00\u79cd\u7406\u89e3\uff1a\u6bcf\u6b21\u9009\u62e9\u5176\u4ed6\u8fb9 $-1$ \u76f8\u5f53\u4e8e\u81ea\u5df1 $+1$\\n\\n\\n\\n### \\\\[ZJOI2009] \u72fc\u548c\u7f8a\u7684\u6545\u4e8b\\n\\n\u7ed9\u5b9a $n \\\\times m$ \u77e9\u9635\uff0c\u6bcf\u4e2a\u65b9\u683c\u53ef\u80fd\u662f\u72fc\u7f8a\u6216\u7a7a\u683c\u5b50\uff0c\u6c42\u72fc\u7f8a\u4e0d\u76f8\u90bb\u6700\u5c11\u9700\u8981\u4fee\u5efa\u7684\u7bf1\u7b06\u6570\\n\\n\u6570\u636e\u8303\u56f4\uff1a $n, m \\\\le 100$\\n\\n\\n\\n\u6e90\u70b9\u5411\u72fc\u8fde\u5bb9\u91cf\u4e3a $\\\\infin$ \u7684\u8fb9\uff0c\u7f8a\u5411\u6c47\u70b9\u8fde\u5bb9\u91cf\u4e3a $\\\\infin$ \u7684\u8fb9\uff0c\u6240\u6709\u70b9\u5411\u4e0a\u4e0b\u5de6\u53f3\u8fde\u5bb9\u91cf\u4e3a $1$ \u7684\u8fb9\uff0c\u6c42\u89e3\u6700\u5c0f\u5272\u5373\u662f\u7b54\u6848\\n\\n\\n\\n### \\\\[SCOI2007] \u8725\u8734\\n\\n$r \\\\times c$ \u7684\u77e9\u9635\u6bcf\u4e2a\u4f4d\u7f6e\u6709\u9ad8\u5ea6\u503c $h_{i, j}$ \u3002\u67d0\u4e9b\u4f4d\u7f6e\u6709\u8725\u8734\u3002\u8725\u8734\u6bcf\u8df3\u52a8\u4e00\u6b21\u51fa\u53d1\u4f4d\u7f6e\u9ad8\u5ea6 $-1$ \u3002\u7ed9\u5b9a\u6bcf\u6b21\u8725\u8734\u6700\u5927\u8df3\u52a8\u6b27\u51e0\u91cc\u5f97\u8ddd\u79bb $d$ \u6c42\u6709\u591a\u5c11\u8725\u8734\u4e0d\u80fd\u9003\u51fa\u77e9\u9635\\n\\n\u6570\u636e\u8303\u56f4\uff1a $r, c \\\\le 20, d \\\\le 4, h\\\\le 3$\\n\\n\\n\\n\u53ea\u9700\u62c6\u70b9\u77f3\u67f1\uff0c\u4e0d\u5fc5\u628a\u8725\u8734\u5355\u72ec\u62c6\u70b9\uff0c\u6e90\u70b9\u5411\u6709\u8725\u8734\u7684\u70b9 $u$ \u8fde\u5bb9\u91cf\u4e3a $1$ \u7684\u8fb9\uff08**\u4e0d\u662f** $\\\\infin$ \uff09\uff0c\u80fd\u591f\u8df3\u51fa\u53bb\u7684\u70b9 $u\'$ \u5411\u6c47\u70b9\u8fde\u5bb9\u91cf\u4e3a $\\\\infin$ \u7684\u8fb9\uff0c $u$ \u548c $u\'$ \u4e4b\u95f4\u8fde\u5bb9\u91cf\u4e3a $h_{i, j}$ \u7684\u8fb9\\n\\n\u7528\u5e73\u65b9\u907f\u514d\u5b9e\u6570\u8fd0\u7b97\\n\\n```cpp\\n#define IN(x) (x)\\n#define OUT(x) (x + r * c)\\n\\nint C21(int x, int y) { return (x - 1) * c + y; }\\n\\n#define POW2(x) (x * x)\\n\\nint Dis(int x_1, int y_1, int x_2, int y_2) {\\n return POW2((x_1 - x_2)) + POW2((y_1 - y_2));\\n}\\n\\nvoid Solve() {\\n Add();\\n cin >> r >> c >> d;\\n int s = 0, t = r * c * 2 + 1;\\n IT(i, r) {\\n str S;\\n cin >> S;\\n S = \' \' + S;\\n IT(j, c) {\\n int w = S[j] - \'0\';\\n int u = C21(i, j);\\n if (!w) continue;\\n Link(IN(u), OUT(u), w);\\n IT(k, r) {\\n IT(l, c) {\\n if (Dis(i, j, k, l) <= d * d) {\\n int v = C21(k, l);\\n Link(OUT(u), IN(v), Inf);\\n }\\n }\\n }\\n if (i - d < 1 || j - d < 1 || i + d > r || j + d > c) {\\n Link(OUT(u), t, Inf);\\n }\\n }\\n }\\n int t_lizard = 0;\\n IT(i, r) {\\n IT(j, c) {\\n char ch;\\n cin >> ch;\\n if (ch == \'L\') {\\n ++t_lizard;\\n int u = C21(i, j);\\n Link(s, IN(u), 1);\\n }\\n }\\n }\\n while (Bfs(s, t)) {\\n mx_f += Dfs(s, t, Inf);\\n }\\n cout << t_lizard - mx_f;\\n}\\n```\\n\\n\u6700\u540e\u6211\u4eec\u8fd8\u901a\u8fc7\u5b9e\u6218\uff0c\u8bb2\u8ff0\u4e86\u5982\u4f55\u4f7f\u7528\u7f51\u7edc\u6d41\u5efa\u6a21\u5e76\u89e3\u51b3\u4e00\u4e9b\u7ecf\u5178\u95ee\u9898\uff0c\u4f8b\u5982**\u4e8c\u5206\u56fe\u5339\u914d\u95ee\u9898\uff0c\u6700\u5c0f\u8def\u5f84\u8986\u76d6\u95ee\u9898\u548c\u6700\u5927\u6743\u95ed\u5408\u5b50\u56fe\u95ee\u9898**\u3002\u5176\u4e2d\u5c24\u4e3a\u6709\u8da3\u7684\u662f**\u6700\u5927\u6743\u95ed\u5408\u5b50\u56fe**\u95ee\u9898\\n\\n## \u5b9a\u4e49\\n\\n\u5982\u679c\u4e00\u4e2a\u70b9\u88ab\u9009\u62e9\u4e86\u5219\u540e\u7ee7\u5fc5\u987b\u88ab\u9009\u62e9\uff0c\u90a3\u4e48\u79f0\u8be5\u56fe\u662f**\u95ed\u5408**\u7684\\n\\n\u4e00\u4e2a\u6709\u5411\u56fe\uff0c\u9009\u62e9\u4e00\u4e2a\u70b9\u5c31\u5fc5\u987b\u9009\u62e9\u5176\u540e\u7ee7\u70b9\uff0c\u4e14\u9009\u62e9\u6bcf\u4e2a\u70b9\u6709\u4e00\u4e2a\u82b1\u8d39\u6216\u8005\u5956\u52b1\u3002\u6c42\u603b\u5956\u52b1\u6700\u5927\u503c\\n\\n## \u89e3\u6cd5\\n\\n1. \u6e90\u70b9\u5411\u6240\u6709\u6b63\u6743\u70b9\u8fde\u7ed3\u4e00\u6761\u5bb9\u91cf\u4e3a\u6743\u503c\u7684\u8fb9\\n2. \u4fdd\u7559\u539f\u56fe\u4e2d\u6240\u6709\u7684\u8fb9\uff0c\u5bb9\u91cf\u4e3a\u6b63\u65e0\u7a77\\n3. \u6240\u6709\u8d1f\u6743\u70b9\u5411\u6c47\u70b9\u8fde\u7ed3\u4e00\u6761\u5bb9\u91cf\u4e3a\u6743\u503c\u7edd\u5bf9\u503c\u7684\u8fb9\\n\\n\u7531\u4e8e\u539f\u56fe\u4e2d\u7684\u8fb9\u5168\u90e8\u662f\u6b63\u65e0\u7a77\uff0c**\u6700\u5c0f\u5272\u53ea\u4f1a\u5272\u6389\u6e90\u70b9\u548c\u6b63\u6743\u70b9\u4e4b\u95f4\u6216\u8d1f\u6743\u70b9\u548c\u6c47\u70b9\u4e4b\u95f4\u7684\u8fb9**\\n\\n\u5219\u539f\u56fe\u7684\u6700\u5927\u6743\u95ed\u5408\u5b50\u56fe\u7684\u70b9\u6743\u548c\u5373\u4e3a\u6240\u6709\u6b63\u6743\u70b9\u6743\u503c\u4e4b\u548c\u51cf\u53bb\u5efa\u51fa\u7684\u7f51\u7edc\u6d41\u56fe\u7684\u6700\u5c0f\u5272\\n\\n\\n\\n### \\\\[\u7f51\u7edc\u6d41 24 \u9898] \u592a\u7a7a\u98de\u884c\u8ba1\u5212\u95ee\u9898\\n\\n[P2762](https://www.luogu.com.cn/problem/P2762)\\n\\n\\n\\n- \u6a21\u7248\u9898\uff0c\u8981\u6c42\u8f93\u51fa\u9009\u62e9\u70b9\u7684\u65b9\u6848\\n- \u6700\u540e\u4e00\u6b21 BFS \u540e `dep` \u4e0d\u4e3a $0$ \u5373\u662f\u88ab\u9009\u62e9/\u6ca1\u6709\u5272\u6389\u7684\u70b9\uff0c\u8f93\u51fa\u8fd9\u4e9b\u70b9\u5373\u53ef\\n\\n\\n\\n### \\\\[ARC085C] MUL\\n\\n[ARC085C](https://www.luogu.com.cn/problem/AT3672)\\n\\n$n$ \u4e2a\u7403\u7f16\u53f7 $1$ \u5230 $n$ \uff0c\u6bcf\u4e2a\u7403\u6709\u4ef7\u503c $w_i$ \uff0c\u53ef\u4ee5\u8fdb\u884c\u4efb\u610f\u6b21\u64cd\u4f5c\uff0c\u5c06\u6240\u6709\u7f16\u53f7\u4e3a $x$ \u7684\u500d\u6570\u7684\u7403\u62ff\u8d70\uff0c\u6c42\u6700\u540e\u5269\u4e0b\u7684\u7403\u7684\u6700\u5927\u603b\u4ef7\u503c\\n\\n\u6570\u636e\u8303\u56f4\uff1a $n \\\\le 100, |w_i| \\\\le 10^9$\\n\\n\\n\\n\u6bcf\u4e2a\u7403\u5411\u7f16\u53f7\u4e3a\u5176\u500d\u6570\u7684\u7403\u8fde\u8fb9\uff0c\u8fd9\u6837\u8fb9\u6570\u662f $O(n \\\\log n)$ \u7ea7\u522b\u7684\\n\\n\u5c06\u6240\u6709 $w_i < 0$ \u7684\u7403\u7684\u82b1\u8d39\u7edd\u5bf9\u503c\u52a0\u548c\uff0c\u7136\u540e\u53cd\u8f6c\u5173\u7cfb\u8fde\u8fb9\uff0c\u8fd9\u6837\u6c42\u51fa\u6765\u7684\u662f\u80fd\u51cf\u5c11\u7684\u82b1\u8d39\u7684\u6700\u5927\u503c\uff0c\u6700\u540e\u51cf\u4e00\u4e0b\u5f97\u5230\u7b54\u6848\\n\\n```cpp\\nvoid Solve()\\n{\\n int n;\\n cin >> n;\\n int tot_cost = 0, tot_w = 0;\\n int s = 0, t = n + 1;\\n IT(i, n)\\n {\\n int w;\\n cin >> w;\\n tot_w += w;\\n if (w < 0)\\n {\\n tot_cost += -w;\\n Link(s, i, -w);\\n }\\n else\\n {\\n Link(i, t, w);\\n }\\n for (int j = 2; j * i <= n; ++j)\\n Link(i, j * i, Inf);\\n }\\n int mx_reduce_cost = tot_cost - Dinic(s, t);\\n cout << tot_w + mx_reduce_cost;\\n}\\n```\\n\\n\\n\\n### Petya and Graph\\n\\n[CF1082G](https://www.luogu.com.cn/problem/CF1082G)\\n\\n\u5b9a\u4e49\u56fe\u6743 = \u56fe\u4e2d\u8fb9\u6743\u603b\u548c \u2212 \u56fe\u4e2d\u70b9\u6743\u603b\u548c\uff08\u7a7a\u56fe\u7684\u56fe\u6743 = 0\uff09\uff0c\u6c42 $n$ \u4e2a\u70b9 $m$ \u6761\u8fb9\u7684\u65e0\u5411\u56fe\u6700\u5927\u6743\u5b50\u56fe\u3002\\n\\n\u6570\u636e\u8303\u56f4\uff1a $n, m \\\\le 10^3$\\n\\n\\n\\n\u4e00\u6761\u8fb9\u7684\u5956\u52b1\u80fd\u88ab\u83b7\u5f97\u5f53\u4e14\u4ec5\u5f53\u4e24\u8fb9\u7684\u70b9\u90fd\u88ab\u9009\u4e0a\\n\\n\u70b9\u8fde\u6c47\uff0c\u8fb9\u8fde\u6e90\\n\\n```cpp\\n#define GOOD(i) (i)\\n#define BUYER(i) (i + n)\\nvoid Solve()\\n{\\n int n, m;\\n cin >> n >> m;\\n int s = 0, t = n + m + 1;\\n IT(i, n)\\n {\\n int p;\\n cin >> p;\\n Link(GOOD(i), t, p);\\n }\\n int ans = 0;\\n IT(i, m)\\n {\\n int a, b, c;\\n cin >> a >> b >> c;\\n Link(s, BUYER(i), c);\\n Link(BUYER(i), GOOD(a), Inf);\\n Link(BUYER(i), GOOD(b), Inf);\\n ans += c;\\n }\\n cout << ans - Dinic(s, t);\\n}\\n```\\n\\n\\n\\n### \\\\[TJOI2010] \u7535\u5f71\u8ff7\\n\\n\u6269\u5c55\u6700\u5927\u6743\u95ed\u5408\u5b50\u56fe\u95ee\u9898\uff0c\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u9650\u5236\u53ef\u4ee5\u82b1\u8d39\u4e00\u5b9a\u4ee3\u4ef7 $w_i$ \u5220\u53bb\\n\\n\\n\\n\u6bcf\u4e2a\u539f\u56fe\u4e0a\u7684\u8fb9\u5bb9\u91cf\u4e0d\u518d\u662f $\\\\infty$ \u800c\u662f $w_i$ \uff0c\u5176\u4f59\u4e0d\u53d8\u6c42\u89e3\u5373\u53ef\\n\\n```cpp\\nvoid Solve()\\n{\\n int n, m;\\n cin >> n >> m;\\n int s = 0, t = n + 1;\\n int ans = 0;\\n IT(i, n)\\n {\\n int w;\\n cin >> w;\\n if (w > 0)\\n {\\n ans += w;\\n Link(s, i, w);\\n }\\n else\\n Link(i, t, -w);\\n }\\n IT(i, m)\\n {\\n int u, v, w;\\n cin >> u >> v >> w;\\n Link(u, v, w);\\n }\\n cout << ans - Dinic(s, t);\\n\\n```\\n\\n\u6211\u4eec\u6bcf\u4e2a\u4eba\u90fd\u7ed9\u51fa\u4e86\u975e\u5e38\u72ec\u7279\u7684\u60f3\u6cd5\u4e0e\u89c1\u89e3\uff0c\u7ed9\u4e88\u4e86\u4e00\u9053\u666e\u901a\u7684\u7b97\u6cd5\u9898\u4e0d\u4e00\u6837\u7684\u610f\u4e49\u3002OI \u90e8\u7684\u7b2c\u4e00\u6b21\u6d3b\u52a8\u5f88\u5145\u5b9e\u4e5f\u5f88\u5feb\u4e50\u3002"},{"id":"/2020/12/02/algorithm5","metadata":{"permalink":"/blog/2020/12/02/algorithm5","source":"@site/blog/2020-12-02-algorithm5.mdx","title":"Livestock Lineup","description":"\u8fd9\u662f C \u793e\u7b97\u6cd5\u56e2\u961f\u7684\u7b2c\u4e94\u6b21\u6d3b\u52a8\u3002\u7531\u4e8e 12 \u6708 USACO \u7ade\u8d5b\u5728\u5373\uff0c\u6211\u4eec\u5c55\u5f00\u4e86\u9488\u5bf9\u6027\u7684\u7ec3\u4e60\u3002\u7b2c\u4e00\u6b21\u6d3b\u52a8\u6211\u4eec\u4ece\u94dc\u7ec4\u5f00\u59cb\u7ec3\u4e60\uff0c\u7531\u4e8e\u6210\u5458\u4eec\u6c34\u5e73\u8f83\u9ad8\uff0c\u6211\u4eec\u6311\u9009\u4e86\u4e00\u9053\u6709\u4e00\u5b9a\u7f16\u7a0b\u6c34\u5e73\u8981\u6c42\u7684\u94dc\u7ec4\u9898\u76ee\u3002\u94dc\u7ec4\u9898\u76ee\u53ea\u8981\u6c42\u5bf9\u5faa\u73af\u7684\u638c\u63e1\uff0c\u4e00\u5b9a\u53ef\u4ee5\u901a\u8fc7\u679a\u4e3e\u5f97\u5230\u7ed3\u679c\uff0c\u56e0\u6b64\u5bf9\u7b97\u6cd5\u548c\u6570\u636e\u7ed3\u6784\u6ca1\u6709\u592a\u9ad8\u8981\u6c42\u3002","date":"2020-12-02T00:00:00.000Z","formattedDate":"2020\u5e7412\u67082\u65e5","tags":[{"label":"algorithm","permalink":"/blog/tags/algorithm"}],"readingTime":6.35,"hasTruncateMarker":true,"authors":[{"name":"Josh Cena","title":"\u4fe1\u606f\u5316\u793e 2022 \u5c4a\u793e\u957f","url":"https://github.com/Josh-Cena","imageURL":"https://github.com/Josh-Cena.png","key":"josh-cena"}],"frontMatter":{"title":"Livestock Lineup","authors":"josh-cena","tags":["algorithm"]},"prevItem":{"title":"OI \u90e8\u6d3b\u52a8-\u7f51\u7edc\u6d41\u95ee\u9898\u4ecb\u7ecd","permalink":"/blog/2021/11/24/network-flow"},"nextItem":{"title":"\u9636\u4e58\u5b57\u7b26\u4e32","permalink":"/blog/2020/11/04/algorithm3"}},"content":"\u8fd9\u662f C \u793e\u7b97\u6cd5\u56e2\u961f\u7684\u7b2c\u4e94\u6b21\u6d3b\u52a8\u3002\u7531\u4e8e 12 \u6708 USACO \u7ade\u8d5b\u5728\u5373\uff0c\u6211\u4eec\u5c55\u5f00\u4e86\u9488\u5bf9\u6027\u7684\u7ec3\u4e60\u3002\u7b2c\u4e00\u6b21\u6d3b\u52a8\u6211\u4eec\u4ece\u94dc\u7ec4\u5f00\u59cb\u7ec3\u4e60\uff0c\u7531\u4e8e\u6210\u5458\u4eec\u6c34\u5e73\u8f83\u9ad8\uff0c\u6211\u4eec\u6311\u9009\u4e86\u4e00\u9053\u6709\u4e00\u5b9a\u7f16\u7a0b\u6c34\u5e73\u8981\u6c42\u7684\u94dc\u7ec4\u9898\u76ee\u3002\u94dc\u7ec4\u9898\u76ee\u53ea\u8981\u6c42\u5bf9\u5faa\u73af\u7684\u638c\u63e1\uff0c\u4e00\u5b9a\u53ef\u4ee5\u901a\u8fc7\u679a\u4e3e\u5f97\u5230\u7ed3\u679c\uff0c\u56e0\u6b64\u5bf9\u7b97\u6cd5\u548c\u6570\u636e\u7ed3\u6784\u6ca1\u6709\u592a\u9ad8\u8981\u6c42\u3002\\n\\n\x3c!--truncate--\x3e\\n\\nexport const Question = ({ children, color }) => (\\n \\n {children}\\n 
\\n\\n\u8bed\u8a00\u5b66\u5bb6\u5c0f\u660e\u53d1\u73b0\u4e86\u8fd9\u4e2a\u4ed3\u5e93\u3002\u4ed6\u5bf9\u6b64\u5f88\u611f\u5174\u8da3\uff0c\u4f46\u4ed6\u5bf9\u5c0f\u4e3d\u8fd8\u5728\u7528\u53e4\u65e9\u7684 `Hello world!` \u975e\u5e38\u4e0d\u6ee1\uff0c\u56e0\u6b64\u51b3\u5b9a\u505a\u70b9\u8d21\u732e\u3002\u4e3a\u6b64\uff0c\u4ed6\u9700\u8981\u5148\u628a\u8fd9\u4e2a\u6587\u4ef6\u5939\uff08\u4e5f\u5c31\u662f\u4ed3\u5e93\uff09\u4e0b\u8f7d\u4e0b\u6765\u3002\u8fd9\u57fa\u672c\u5c31\u662f **_\u514b\u9686\u4ed3\u5e93 (clone the repo)_** \u505a\u7684\u4e8b\u60c5\u3002\\n\\n\u5c0f\u660e\u5728\u81ea\u5df1\u7684\u673a\u5668\u4e0a\u6709\u4e86\u4e00\u4efd\u5b8c\u6574\u7684\u62f7\u8d1d\u540e\uff0c\u5c31\u53ef\u4ee5\u50cf\u672c\u5730\u9879\u76ee\u4e00\u6837\u4f5c\u7f16\u8f91\u4e86\u3002\u4ed6\u5bf9\u4e09\u4e2a\u6587\u4ef6\u90fd\u4f5c\u4e86\u66f4\u65b0\uff1a\\n\\n```cpp\\n// Hello.cpp\\n#include 
\\n\\n\u6b64\u65f6\u4ed6\u7684\u6539\u52a8\u8fd8\u53ea\u662f\u672c\u5730\u7684\u2014\u2014\u6ca1\u4eba\u80fd\u5728 GitHub \u7f51\u9875\u4e0a\u770b\u5230\u5b83\u4eec\u3002\u56e0\u6b64\u4ed6\u63a5\u4e0b\u6765 **_\u53d1\u5e03\u4e86\u5206\u652f\u5e76\u5c06\u5176\u63a8\u9001\u81f3\u6e90 (publish branch and push to origin)_** \u3002\u8fd9\u4f1a\u628a `XiaoMing/change-output-language` \u8fd9\u4e00\u5206\u652f\u53ca\u5176\u5305\u542b\u7684\u6240\u6709 commit \u4e0a\u4f20\u5230 GitHub \u8fdc\u7a0b\u7ec8\u7aef\u3002\\n\\n\u5f53\u4ed6\u53d1\u5e03\u4e86\u5206\u652f\u4e4b\u540e\uff0c\u5176\u540e\u5728\u8be5\u5206\u652f\u4e0a\u505a\u51fa\u7684\u4efb\u4f55 commit \u90fd\u4f1a\u81ea\u52a8\u88ab\u540c\u6b65\u5230 GitHub \u4e0a\u3002\\n\\n\u7d27\u63a5\u7740\uff0c\u4ed6 **_\u53d1\u5e03\u4e86\u62c9\u53d6\u8bf7\u6c42 (create pull request)_** \uff0c\u8bf7\u6c42\u4ee3\u7801\u62e5\u6709\u8005\uff08\u4e5f\u5c31\u662f\u5c0f\u4e3d\uff09\u5408\u5e76\u8fd9\u4e00\u5206\u652f\u3002_\u5206\u652f\u88ab\u5408\u5e76\u540e\uff0c\u6240\u6709\u7684\u6539\u53d8\u90fd\u4f1a\u5728 `master` \u4e2d\u4f53\u73b0\u51fa\u6765\u3002_\\n\\n\u53ea\u6709\u4e00\u4e2a\u5206\u652f\u65f6\uff0c\u4e8b\u60c5\u975e\u5e38\u7b80\u5355\uff0c\u56e0\u4e3a\u6b64\u65f6\u5206\u652f\u4e0a\u6240\u6709\u7684 commit \u90fd\u662f `master` \u7684\u7ee7\u627f\u8005\uff0c\u5728\u5408\u5e76\u5206\u652f\u65f6\uff0cGit \u53ea\u9700\u8981\u628a\u6240\u6709\u4e1c\u897f\u90fd\u52a0\u5230 `master`\uff0c\u4e5f\u5c31\u662f `C0` \u4e0a\uff0c\u5c31\u53ef\u4ee5\u4e86\u3002\u56e0\u6b64\uff0c\u5b83\u4f1a\u79fb\u52a8 `master` \u6307\u9488\uff1a\\n\\n
\\n\\n\u800c\u4e8b\u5b9e\u4e0a\uff0c\u4ee5\u4e0a\u5c31\u662f\u6240\u6709 Git \u65b0\u7528\u6237\u9700\u8981\u660e\u767d\u7684\u64cd\u4f5c\u3002\u4f46\u4f5c\u4e3a\u672a\u6765\u7684 GitHub \u4ee3\u7801\u7ba1\u7406\u8005\uff0c\u4f60\u5e94\u5f53\u601d\u8003\u5f97\u66f4\u6df1\u5165\u4e00\u70b9\u3002\\n\\n## \u89e3\u51b3\u51b2\u7a81\\n\\n\u4e3a\u4e86\u8ba9\u4e8b\u60c5\u66f4\u6709\u8da3\u4e00\u70b9\uff0c\u6211\u4eec\u53c8\u540c\u65f6\u8bf7\u6765\u4e86\u5b88\u65e7\u6d3e\u5c0f\u7ea2\u3002\u5979\u5bf9\u5c0f\u4e3d\u5fd8\u8bb0\u5728 cpp \u6587\u4ef6\u7ed3\u5c3e\u52a0 `return 0;` \u975e\u5e38\u4e0d\u6ee1\uff0c\u56e0\u6b64\u51b3\u5b9a\u4fee\u6b63\u8fd9\u4e00\u95ee\u9898\u3002\u540c\u6837\u5730\uff0c\u5979\u590d\u5236\u4e86\u4ed3\u5e93\uff0c\u5728 `master` \u4e0a\u65b0\u5efa\u4e86\u4e00\u4e2a\u53eb `XiaoHong/improve-code-style` \u7684\u5206\u652f\uff0c\u800c\u7531\u4e8e\u6b64\u65f6\u5c0f\u660e\u8fd8\u6ca1\u6709\u63d0\u4ea4\u5206\u652f\uff0c`master` \u4ecd\u7136\u6307\u5411 `C0`\u3002\u6587\u4ef6\u6539\u52a8\u5982\u4e0b\uff08`C3`\uff09\uff1a\\n\\n```cpp\\n// Hello.cpp\\n#include 
\\n\\n\u5c0f\u4e3d\u5348\u4f11\u7ed3\u675f\u4e4b\u540e\uff0c\u56de\u5230 GitHub \u9875\u9762\u4e0a\uff0c\u53d1\u73b0\u591a\u4e86\u4e24\u4e2a\u5408\u5e76\u8bf7\u6c42\u3002\u5979\u5f00\u5fc3\u5730\u5408\u5e76\u4e86\u5c0f\u660e\u7684\u8bf7\u6c42\uff1a\\n\\n
\\n\\n\u4f46\u5374\u53d1\u73b0\u4e0d\u80fd\u76f4\u63a5\u5408\u5e76\u5c0f\u7ea2\u7684\u3002GitHub \u8b66\u544a\u8bf4\uff0c\u8be5\u5206\u652f\u548c `master` \u95f4\u6709\u51b2\u7a81\uff0c\u56e0\u4e3a\u6709\u540c\u65f6\u4f5c\u51fa\u7684\u4fee\u6539\uff0cGit \u4e0d\u77e5\u9053\u8981\u7559\u4e0b\u54ea\u4e00\u4e2a\uff0c\u56e0\u6b64\u9700\u8981\u5979\u624b\u52a8\u89e3\u51b3\u51b2\u7a81\u3002\u89e3\u51b3\u9875\u9762\u6709\u5982\u4e0b\u7684\u5185\u5bb9\uff1a\\n\\n```cpp\\n// Hello.cpp\\n #include 
\\n\\n\u6b64\u65f6\uff0c\u5c0f\u4e3d\u3001\u5c0f\u660e\u3001\u5c0f\u7ea2\u4e09\u4eba\u5c31\u6210\u529f\u5730\u5b8c\u6210\u4e86\u4e00\u6b21\u5728 GitHub \u4e0a\u7684\u5f00\u6e90\u9879\u76ee\u5408\u4f5c\u3002\\n\\n\u5982\u679c\u60f3\u8981\u5b66\u4e60\u66f4\u591a Git \u6709\u5173\u7684\u77e5\u8bc6\uff0c\u5e76\u6df1\u5165\u7814\u7a76\u5b83\u7684\u6811\u72b6\u7ed3\u6784\uff0c\u53ef\u4ee5\u8bbf\u95ee\u8fd9\u4e2a\u7f51\u7ad9\uff1a[Learn Git Branching](https://learngitbranching.js.org)\\n\\n## \u62d3\u5c55\u9605\u8bfb\\n\\n\u5982\u679c\u60f3\u8981\u4e86\u89e3 `pull`, `push`, `commit`, `add`, \u548c `checkout` \u65f6\u5177\u4f53\u53d1\u751f\u4e86\u4ec0\u4e48\uff0c\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u7f51\u7ad9\uff1a\\n\\n- [Git SCM - Getting Started: Git Basics](https://git-scm.com/book/en/v1/Getting-Started-Git-Basics)\\n- [Git SCM - Git Branching: Branches in a Nutshell](https://git-scm.com/book/en/v2/Git-Branching-Branches-in-a-Nutshell)\\n- [Git SCM - Git Branching: Branching Workflows](https://git-scm.com/book/en/v2/Git-Branching-Branching-Workflows)\\n- [Stack Overflow - What\'s the difference between HEAD, working tree and index, in Git?](https://stackoverflow.com/questions/3689838/whats-the-difference-between-head-working-tree-and-index-in-git)\\n- [Understanding Git: Data Model](https://hackernoon.com/https-medium-com-zspajich-understanding-git-data-model-95eb16cc99f5)\\n- [Understanding Git: Branching](https://hackernoon.com/understanding-git-branching-2662f5882f9)\\n- [Understanding Git: Index](https://hackernoon.com/understanding-git-index-4821a0765cf)\\n\\n\u9664\u6b64\u4e4b\u5916\uff0c\u5982\u679c\u4f60\u4e0d\u559c\u6b22\u9605\u8bfb\u957f\u7bc7\u5927\u8bba\uff0c\u4f60\u53ef\u4ee5\u89c2\u770b\u4e0b\u9762\u8fd9\u4e2a\u957f\u7ea6 82 \u5206\u949f\u7684 YouTube \u89c6\u9891\uff1a\\n\\n- [\\\\[VIDEO\\\\] Introduction to Git with Scott Chacon of GitHub](https://www.youtube.com/watch?v=ZDR433b0HJY)\\n\\n\u4e5f\u53ef\u4ee5\u5728\u8fd9\u4e2a\u53ef\u89c6\u5316\u7684\u9875\u9762\u4e0a\u5c1d\u8bd5\u5404\u7c7b Git \u6307\u4ee4\uff1a\\n\\n- [Learn Git Branching](https://learngitbranching.js.org)"},{"id":"/2020/09/02/welcome","metadata":{"permalink":"/blog/2020/09/02/welcome","source":"@site/blog/2020-09-02-welcome.md","title":"Welcome","description":"Computerization\u6b22\u8fce\u6240\u6709 2020 \u5c4a\u65b0\u6210\u5458\uff01","date":"2020-09-02T00:00:00.000Z","formattedDate":"2020\u5e749\u67082\u65e5","tags":[{"label":"welcome","permalink":"/blog/tags/welcome"}],"readingTime":0.55,"hasTruncateMarker":false,"authors":[{"name":"Josh Cena","title":"\u4fe1\u606f\u5316\u793e 2022 \u5c4a\u793e\u957f","url":"https://github.com/Josh-Cena","imageURL":"https://github.com/Josh-Cena.png","key":"josh-cena"}],"frontMatter":{"title":"Welcome","authors":"josh-cena","tags":["welcome"]},"prevItem":{"title":"Git \u4f7f\u7528\u6307\u5357\uff1a\u7406\u89e3 Git \u5de5\u4f5c\u539f\u7406","permalink":"/blog/2020/09/23/git-usage"}},"content":"**Computerization**\u6b22\u8fce\u6240\u6709 2020 \u5c4a\u65b0\u6210\u5458\uff01\\n\\n\u5728\u8fd9\u91cc\uff0c\u4f60\u53ef\u4ee5\uff1a\\n\\n- \u53c2\u4e0e\u65b0\u5e73\u53f0 [Enspire](https://github.com/Computerization/Enspire) \u7684\u5f00\u53d1\uff1b\\n- \u7814\u7a76\u4eba\u5de5\u667a\u80fd (e.g. \u795e\u7ecf\u7f51\u7edc\u3001\u673a\u5668\u5b66\u4e60)\uff1b\\n- \u53c2\u4e0e Leetcode \u5468\u8d5b\u7b49\u5404\u7c7b\u7b97\u6cd5\u7ade\u8d5b\uff1b\\n- \u5b66\u4e60\u524d\u540e\u7aef\u6280\u672f\u4e0e\u7f51\u9875\u8bbe\u8ba1\uff0c\u96f6\u8ddd\u79bb\u4f53\u9a8c Web \u9879\u76ee\u5f00\u53d1\uff1b\\n- \u2026\u2026\\n\\n\u6211\u4eec\u5e0c\u671b\u5404\u4f4d\u65b0\u6210\u5458\u80fd\u5728\u8fd9\u4e00\u5e74\u5185\u6109\u5feb\u5b66\u4e60\uff0c\u83b7\u5f97\u81ea\u6211\u63d0\u5347\uff0c\u5e76\u7ed3\u8bc6\u5fd7\u8da3\u76f8\u6295\u7684\u4f19\u4f34\u3002"}]}')}}]);
\ No newline at end of file
diff --git a/assets/js/b2f554cd.3cf61d5c.js b/assets/js/b2f554cd.3cf61d5c.js
new file mode 100644
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@@ -0,0 +1 @@
+"use strict";(self.webpackChunkcomputerization_website=self.webpackChunkcomputerization_website||[]).push([[1477],{10:function(n){n.exports=JSON.parse('{"blogPosts":[{"id":"/2021/11/24/network-flow","metadata":{"permalink":"/blog/2021/11/24/network-flow","source":"@site/blog/2021-11-24-network-flow.md","title":"OI \u90e8\u6d3b\u52a8-\u7f51\u7edc\u6d41\u95ee\u9898\u4ecb\u7ecd","description":"\u5728\u4eca\u5929 C \u793e OI \u90e8\u7684\u6d3b\u52a8\u4e2d\uff0c\u6211\u4eec\u5148\u8fdb\u884c\u4e86\u7834\u51b0\u6d3b\u52a8\u2014\u2014\u81ea\u6211\u4ecb\u7ecd\u5e76\u4ea4\u6d41\u6709\u8da3\u7684\u7b97\u6cd5\u77e5\u8bc6\u3002\u901a\u8fc7\u8fd9\u72ec\u7279\u7684\u5f62\u5f0f\u6211\u4eec\u5f97\u4ee5\u589e\u8fdb\u5bf9\u5f7c\u6b64\u7684\u4e86\u89e3\uff0c\u5e76\u4e3a\u4e4b\u540e\u7684\u5408\u4f5c\u6253\u4e0b\u57fa\u7840\u3002","date":"2021-11-24T00:00:00.000Z","formattedDate":"2021\u5e7411\u670824\u65e5","tags":[{"label":"algorithm","permalink":"/blog/tags/algorithm"}],"readingTime":12.97,"hasTruncateMarker":true,"authors":[{"name":"\u987e\u6dc7\u5143 Alex","title":"2023 \u5c4a\u7b97\u6cd5\u5c0f\u7ec4\u6210\u5458","url":"https://github.com/phoeniiix1203","imageURL":"https://github.com/phoeniiix1203.png","key":"alex-gu"}],"frontMatter":{"authors":"alex-gu","tags":["algorithm"]},"unlisted":false,"nextItem":{"title":"Livestock Lineup","permalink":"/blog/2020/12/02/algorithm5"}},"content":"\u5728\u4eca\u5929 C \u793e OI \u90e8\u7684\u6d3b\u52a8\u4e2d\uff0c\u6211\u4eec\u5148\u8fdb\u884c\u4e86\u7834\u51b0\u6d3b\u52a8\u2014\u2014\u81ea\u6211\u4ecb\u7ecd\u5e76\u4ea4\u6d41\u6709\u8da3\u7684\u7b97\u6cd5\u77e5\u8bc6\u3002\u901a\u8fc7\u8fd9\u72ec\u7279\u7684\u5f62\u5f0f\u6211\u4eec\u5f97\u4ee5\u589e\u8fdb\u5bf9\u5f7c\u6b64\u7684\u4e86\u89e3\uff0c\u5e76\u4e3a\u4e4b\u540e\u7684\u5408\u4f5c\u6253\u4e0b\u57fa\u7840\u3002\\n\\n\u4e4b\u540e\uff0c\u6211\u4eec\u6311\u9009\u4e86\u6700\u611f\u5174\u8da3\u7684\u7f51\u7edc\u6d41\u8fd9\u4e00\u7c7b\u7b97\u6cd5\u95ee\u9898\u8fdb\u884c\u8be6\u7ec6\u7684\u8bb2\u89e3\u3002\u6211\u4eec\u4ece\u7f51\u7edc\u6d41\u56fe\u7684\u57fa\u672c\u6982\u5ff5\u5f00\u59cb\uff0c\u4f8b\u5982**\u6e90\uff0c\u6c47\u70b9**\uff0c**\u5269\u4f59\u5bb9\u91cf**\uff0c**\u6700\u5927\u6d41**\uff0c**\u6700\u5c0f\u5272** \u7b49\u7b49\u3002\u5176\u4e2d\u6700\u4e3a\u8da3\u5473\u7684\u662f**\u6700\u5c0f\u5272**\uff0c\u5176\u5b9a\u4e49\u4e3a\u5220\u53bb\u82e5\u5e72\u6761\u8fb9\u4f7f\u5f97\u67d0\u4e24\u70b9 $(u,v)$ \u4e0d\u4e92\u901a\uff0c\u8fd9\u82e5\u5e72\u6761\u8fb9\u8fb9\u6743\u548c\u7684\u6700\u5c0f\u503c\u3002\\n\\n\u63a5\u4e0b\u6765\u901a\u8fc7\u4e0d\u65ad\u4f18\u5316\u7b97\u6cd5\uff0c\u4f8b\u5982\u7075\u6d3b\u8fd0\u7528 `Edmond-Karp` \u52a8\u80fd\u7b97\u6cd5\uff08\u590d\u6742\u5ea6 $O(nm^2)$ \uff09\uff0c `Dinic` \u7b97\u6cd5\uff08\u590d\u6742\u5ea6 $O(n^2m)$ \uff09\u548c `ISAP` \u7b97\u6cd5\uff08\u590d\u6742\u5ea6 $O(n^2m)$ \uff0c\u4e0d\u9700 BFS \u591a\u6b21\uff09\u3002\u6b64\u5916\u8fd8\u8bb2\u89e3\u4e86\u4e00\u4e2a\u4f18\u7f8e\u7684\u5b9a\u7406\uff1a**\u6700\u5927\u6d41\u6700\u5c0f\u5272\u5b9a\u7406**\u3002\u8fd9\u4e00\u5b9a\u7406\u5728\u4e00\u4e9b\u56fe\u8bba\u95ee\u9898\u4e2d\u6709\u7740\u6709\u8da3\u7684\u5e94\u7528\uff1a\\n\\n\x3c!-- truncate --\x3e\\n\\n## \u4f8b\u9898\\n\\n
