添加题解

基础调试

选择编程语言

比赛策略

编程比赛

参与贡献

在命令行中使用 C++

数据类型

如何调试

C++ 调试

前置知识要求

快速输入输出

（选学）C++——编写泛型代码

输入与输出

算法竞赛简介

（可选）C++ Lambda 表达式

资源：学习编程

模块介绍

信息学奥林匹克竞赛

如何练习

资源：算法竞赛

资源：美国相关

在本地运行代码

在线运行代码

USACO 集训营

USACO 常见问题

USACO 月赛题目

如何使用本指南

使用 MDX

非典型问题

分类讨论

使用递归的完全搜索

USACO 铜组补充练习

基础完全搜索

数据结构简介

图简介

贪心算法简介

集合与映射简介

排序简介

矩形几何

模拟

时间复杂度

组合数学

整除

模运算

Binary Search

Binary Search on a Sorted Array

Additional Practice for USACO Silver

Flood Fill

Introduction to Functional Graphs

Graph Traversal

Greedy Algorithms with Sorting

Intro to Bitwise Operators

Introduction to Tree Algorithms

More on Prefix Sums

Introduction to Prefix Sums

Priority Queues

Custom Comparators and Coordinate Compression

Two Pointers

DP on Trees - Solving For All Roots

Additional Practice for USACO Gold

(Optional) Sorted Sets with Custom Comparators

Bitmask DP

Range DP

DP on Trees - Introduction

Disjoint Set Union

Digit DP

Hashing

(Optional) Hashmaps

Introduction to DP

More Operations on Sorted Sets

Knapsack DP

(Optional) LCA with Euler Tour

Longest Increasing Subsequence

Minimum Spanning Trees

(Optional) Meet In The Middle

Point Update Range Sum

Paths on Grids

Shortest Paths with Non-Negative Edge Weights

Sliding Window

Stacks

Optimizing Unimodal Functions

Topological Sort

(Optional) Euler Tour Technique

Shortest Paths with Unweighted Edges

2D Range Queries

Binary Jumping

(Optional) Bitsets

Centroid Decomposition

Additional Practice for USACO Platinum

Convex Hull

Convex Hull Trick

Divide & Conquer - DP

Divide & Conquer - SRQ

Sum over Subsets DP

Geometry Primitives

Heavy-Light Decomposition

Matrix Exponentiation

Small-To-Large Merging

Inclusion-Exclusion Principle

"use strict";
const {Fragment: _Fragment, jsx: _jsx, jsxs: _jsxs} = arguments[0];
const frontmatter = undefined;
function _createMdxContent(props) {
  const _components = {
    a: "a",
    blockquote: "blockquote",
    h2: "h2",
    p: "p",
    table: "table",
    tbody: "tbody",
    td: "td",
    th: "th",
    thead: "thead",
    tr: "tr",
    ...props.components
  }, {HeaderLink, Optional, Resource, Resources} = _components;
  if (!HeaderLink) _missingMdxReference("HeaderLink", true);
  if (!Optional) _missingMdxReference("Optional", true);
  if (!Resource) _missingMdxReference("Resource", true);
  if (!Resources) _missingMdxReference("Resources", true);
  return _jsxs(_Fragment, {
    children: [_jsx(_components.p, {
      children: "入选 USACO 集训营，是进入美国 IOI 或 EGOI 国家队的前提条件。"
    }), "\n", _jsx(Resources, {
      children: _jsx(Resource, {
        source: "Quora",
        title: "What is it like to attend USACO Camp?",
        url: "https://www.quora.com/What-is-it-like-to-attend-the-USACO-training-camp",
        starred: true
      })
    }), "\n", _jsxs(_components.h2, {
      id: "选拔",
      children: [_jsx(_components.a, {
        "aria-hidden": "true",
        tabIndex: "-1",
        className: "anchor before",
        href: "#选拔",
        children: _jsx(HeaderLink, {})
      }), "选拔"]
    }), "\n", _jsxs(Resources, {
      children: [_jsx(Resource, {
        source: "USACO",
        title: "The Road to the IOI Team",
        url: "http://www.usaco.org/index.php?page=contests",
        starred: true,
        children: _jsx(_components.p, {
          children: "“16 至 24 名学生”的说法已不再准确"
        })
      }), _jsx(Resource, {
        source: "Quora",
        title: "How do I get into USACO Camp?",
        url: "https://www.quora.com/How-do-I-get-into-the-USACO-training-camp",
        starred: true,
        children: _jsx(_components.p, {
          children: "参见 Brian 的回答"
        })
      }), _jsx(Resource, {
        source: "Quora",
        title: "Is USACO Training Progress used in the selection of USACO Finalists?",
        url: "https://www.quora.com/Is-progress-in-the-USACO-Training-Gateway-used-in-the-selection-of-USACO-finalists",
        children: _jsx(_components.p, {
          children: "不同回答之间存在矛盾"
        })
      })]
    }), "\n", _jsxs(Optional, {
      title: "《如何进入 USACO 集训营？》节选",
      children: [_jsxs(_components.blockquote, {
        children: ["\n", _jsx(_components.p, {
          children: "有几篇回答谈到了如何训练，所以我就不重点讨论这一点了（我没有专门训练）。"
        }), "\n"]
      }), _jsx(_components.p, {
        children: "..."
      }), _jsxs(_components.blockquote, {
        children: ["\n", _jsx(_components.p, {
          children: "不过连我都进了集训营，所以你肯定没问题。"
        }), "\n"]
      })]
    }), "\n", _jsxs(_components.h2, {
      id: "营员统计",
      children: [_jsx(_components.a, {
        "aria-hidden": "true",
        tabIndex: "-1",
        className: "anchor before",
        href: "#营员统计",
        children: _jsx(HeaderLink, {})
      }), "营员统计"]
    }), "\n", _jsx(Resources, {
      children: _jsx(Resource, {
        source: "Jelani Nelson",
        title: "2011-20 USACO Camp Unique Participants by State",
        url: "https://chart-studio.plotly.com/~minilek/0/_2011-2020-usaco-camp-unique-participants-by-state/#/",
        children: _jsx(_components.p, {
          children: "非常有趣的分布"
        })
      })
    }), "\n", _jsx(_components.p, {
      children: "下表按年级列出了首次入营的学生人数。请注意，再次入营者和十二年级学生通常\n需要满足更严格的选拔标准。"
    }), "\n", _jsxs("center", {
      children: ["\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n", _jsxs(_components.table, {
        children: [_jsx(_components.thead, {
          children: _jsxs(_components.tr, {
            children: [_jsx(_components.th, {}), _jsx(_components.th, {
              children: "<9"
            }), _jsx(_components.th, {
              children: "9"
            }), _jsx(_components.th, {
              children: "10"
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            })]
          })
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            children: [_jsx(_components.td, {
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            children: [_jsx(_components.td, {
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            }), _jsx(_components.td, {
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            children: [_jsx(_components.td, {
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            }), _jsx(_components.td, {
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              children: "9"
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              children: "4"
            }), _jsx(_components.td, {
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          }), _jsxs(_components.tr, {
            children: [_jsx(_components.td, {
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            children: [_jsx(_components.td, {
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              children: "2"
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}
function MDXContent(props = {}) {
  const {wrapper: MDXLayout} = props.components || ({});
  return MDXLayout ? _jsx(MDXLayout, {
    ...props,
    children: _jsx(_createMdxContent, {
      ...props
    })
  }) : _createMdxContent(props);
}
return {
  frontmatter,
  default: MDXContent
};
function _missingMdxReference(id, component) {
  throw new Error("Expected " + (component ? "component" : "object") + " `" + id + "` to be defined: you likely forgot to import, pass, or provide it.");
}


Table of Contents

Table of Contents

选拔

营员统计

Module Progress:


USACO	The Road to the IOI Team	“16 至 24 名学生”的说法已不再准确
Quora	How do I get into USACO Camp?	参见 Brian 的回答
Quora	Is USACO Training Progress used in the selection of USACO Finalists?	不同回答之间存在矛盾