{"id":74600,"date":"2026-02-10T08:57:36","date_gmt":"2026-02-10T00:57:36","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/74600.html"},"modified":"2026-02-10T08:57:36","modified_gmt":"2026-02-10T00:57:36","slug":"%e8%93%9d%e6%a1%a5%e6%9d%af%e4%bb%8e%e9%9b%b6%e5%88%b0%e8%8e%b7%e5%a5%96day1%ef%bc%88c-c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/74600.html","title":{"rendered":"\u84dd\u6865\u676f\u4ece\u96f6\u5230\u83b7\u5956Day1\uff08C\/C++\uff09"},"content":{"rendered":"

\u00a01.\u5de5\u5177\u5b89\u88c5<\/h2>\n

\u7f16\u7a0b\u73af\u5883：Dev-C++
\n\u4e0b\u8f7d\u7f51\u5740：https:\/\/pc.qq.com\/detail\/16\/detail_163136.html
\n\u914d\u7f6e\u7ade\u8d5b\u73af\u5883\u8bf7\u5230\u4e3b\u9875\u641c\u7d22<\/p>\n

2.\u7b2c\u4e00\u4e2aC++\u7a0b\u5e8f<\/h2>\n

2.1 \u57fa\u7840\u7a0b\u5e8f<\/h3>\n

\/\/\u5199\u4e00\u4e2aC++\u7a0b\u5e8f
\n\/\/\u5728\u5c4f\u5e55\u4e0a\u6253\u5370：Hello World！
\n\/\/
\n#include <iostream>
\nusing namespace std;<\/p>\n

int main()
\n{
\n\u00a0\u00a0 \u00a0cout << "Hello World!" << endl;
\n\u00a0\u00a0 \u00a0return 0;
\n}<\/p>\n

\/\/\u8fd0\u884c\u8d77\u6765\u8fd9\u4e2aC++\u7a0b\u5e8f
\n\/\/1. \u7f16\u8bd1 — F9
\n\/\/2. \u8fd0\u884c — F10
\n\/\/
\n\/\/\u7f16\u8bd1+\u8fd0\u884c — F11\u00a0
\n```<\/p>\n

2.2 main\u51fd\u6570(\u51fd\u6570\u7ae0\u8282\u4f1a\u8be6\u7ec6\u8bb2\u89e3)<\/h3>\n

main\u51fd\u6570\u53c8\u88ab\u53eb\u505a\u4e3b\u51fd\u6570，\u662f\u51fd\u6570\u7684\u5165\u53e3，main\u524d\u9762\u7684int\u8868\u793amain\u51fd\u6570\u6267\u884c\u7ed3\u675f\u7684\u65f6\u5019\u8fd4\u56de\u4e00\u4e2a\u6574\u578b\u7c7b\u578b\u7684
\n\u00b7main\u51fd\u6570\u662f\u51fd\u6570\u7684\u5165\u53e3
\n\u00b7main\u51fd\u6570\u6709\u4e14\u4ec5\u6709\u4e00\u4e2a
\n\u00b7\u4e00\u4e2a\u9879\u76ee\u4e2d\u53ef\u4ee5\u6709\u591a\u4e2a.cpp\u6587\u4ef6，\u4f46\u662f\u53ea\u80fd\u6709\u4e00\u4e2amain\u51fd\u6570（\u5373\u4e00\u4e2a\u5165\u53e3）<\/p>\n

2.3 \u5934\u6587\u4ef6<\/h3>\n

#include <iostream> \u610f\u4e3a\u5305\u542b（include）\u5934\u6587\u4ef6，io\u8868\u793a\u8f93\u5165\u8f93\u51fa，iostream\u610f\u4e3a\u8f93\u5165\u8f93\u51fa\u6d41；
\n\u5728C++\u7a0b\u5e8f\u4e2d\u8981\u5b8c\u6210\u8f93\u5165\u548c\u8f93\u51fa\u7684\u64cd\u4f5c\u4f1a\u6d89\u53ca\u5230iostream\u6587\u4ef6\u4e2d\u591a\u4e2a\u5b9a\u4e49，\u6240\u4ee5\u5c31\u8981\u5305\u542b\u8fd9\u4e2a\u5934\u6587\u4ef6；
\n\u5982：\u4ee3\u7801\u4e2d\u7684cout\u662f\u8f93\u51fa\u6d41\u5bf9\u8c61，\u662f\u7528\u6765\u5b8c\u6210\u6570\u636e\u8f93\u51fa\u7684\u3002
\nC++\u5e93\u51fd\u6570\u76f8\u5173\u5934\u6587\u4ef6：https:\/\/zh.cppreference.com\/w\/cpp\/header<\/p>\n

2.4 cin\u4e0ecout\u8bf4\u660e<\/h3>\n

cout << "Hello World!" << endl; \u662f\u8fd9\u6bb5\u4ee3\u7801\u7684\u91cd\u70b9
\n\u4ee3\u7801\u4e2d\u7684cout\u662f\u6807\u51c6\u8f93\u51fa\u6d41\u5bf9\u8c61，\u5c31\u662f\u628a\u6570\u636e(" \u00a0"\u4e2d\u7684\u5185\u5bb9)\u6253\u5370\u5230\u5c4f\u5e55\u4e0a；
\n\u800ccin\u662f\u6807\u51c6\u8f93\u5165\u6d41\u5bf9\u8c61
\n\u4e00\u6bb5\u4ee3\u7801\u5b9e\u4f8b：<\/p>\n

#include <iostream>
\nusing namespace std;
\n{
\n\u00a0\u00a0 \u00a0int num;
\n\u00a0\u00a0 \u00a0cin >> num;
\n\u00a0\u00a0 \u00a0cout <<num << endl;
\n\u00a0\u00a0 \u00a0return 0;
\n}<\/p>\n

\u8f93\u516510，\u6253\u537010；
\n\u00b7 endl\u7684\u4f5c\u7528\u4e3a\u6362\u884c\u548c\u5237\u65b0\u7f13\u51b2\u533a
\n\u00b7 >>\u662f\u6d41\u63d0\u53d6\u8fd0\u7b97\u7b26，\u548ccin\u914d\u5408\u4f7f\u7528；<<\u662f\u6d41\u63d2\u5165\u8fd0\u7b97\u7b26，\u548ccout\u914d\u5408\u4f7f\u7528\u3002<\/p>\n

2.5 \u540d\u5b57\u7a7a\u95f4<\/h3>\n

using namespace std; \u00a0 \u00a0\u610f\u4e3a：\u4f7f\u7528\u540d\u5b57\u7a7a\u95f4std\u3002
\n\u5728C++\u4e2d，\u6709\u5927\u91cf\u53d8\u91cf，\u51fd\u6570\u548c\u7c7b，\u56e0\u6b64\u5f15\u5165\u540d\u5b57\u7a7a\u95f4\u5bf9\u6807\u8bc6\u7b26\u8fdb\u884c\u9694\u79bb，\u907f\u514d\u547d\u540d\u51b2\u7a81\u6216\u540d\u5b57\u6c61\u67d3；
\nstd\u5219\u662fC++\u6807\u51c6\u5e93\u7684\u540d\u5b57\u7a7a\u95f4\u540d，C++\u5c06\u6807\u51c6\u5e93\u7684\u5b9a\u4e49\u5b9e\u73b0\u90fd\u653e\u5230\u8fd9\u4e2a\u547d\u540d\u7a7a\u95f4\u4e2d，\u5982cin，cout\u4e4b\u7c7b\u662f\u5728std\u540d\u5b57\u7a7a\u95f4\u4e2d\u7684\u3002<\/p>\n

\u66f4\u51c6\u786e\u7684\u4f7f\u7528\u65b9\u5f0f\u4e3a：
\n\u5728\u4e3b\u51fd\u6570\u4e2d\u5199 std::cout << "hehe" << std::endl;\u8868\u660e\u6211\u8981\u4f7f\u7528\u54ea\u4e2a\u540d\u5b57\u7a7a\u95f4\u4e2d\u7684\u54ea\u4e2a\u540d\u5b57；
\n\u4e0d\u5199using namespace std; \u8fd9\u6837\u53ea\u4f1a\u89e3\u5c01cout\u548cendl\u8fd9\u4e24\u4e2a\u540d\u5b57\u3002<\/p>\n

2.6 \u6ce8\u91ca<\/h3>\n

\u00b7\u5355\u884c\u6ce8\u91ca\u7528\/\/
\n\u00b7\u591a\u884c\u6ce8\u91ca\u7528\/* \u00a0 \u00a0*\/
\n\u00b7\u7f16\u8bd1\u5668\u4f1a\u5ffd\u7565\u6ce8\u91ca，\u6ce8\u91ca\u662f\u5199\u7ed9\u7a0b\u5e8f\u5458\u770b\u7684，\u505a\u5fc5\u8981\u89e3\u91ca
\n\u6ce8：\u6309Ctrl+\/ \u00a0\u53ef\u5feb\u901f\u6dfb\u52a0\u548c\u53d6\u6d88\u6ce8\u91ca<\/p>\n

3.\u6570\u636e\u7c7b\u578b<\/h2>\n

3.1 \u5b57\u7b26\u578b<\/h3>\n

a, b,q, @，#\u8fd9\u4e9b\u90fd\u662f\u5b57\u7b26，\u662f\u7528\u5355\u62ec\u53f7\u5f15\u8d77\u6765\u7684；<\/p>\n

\u800c\u4e3a\u4e86\u4fbf\u4e8e\u5b58\u50a8，\u5728C\u8bed\u8a00\u4e2d，\u6bcf\u4e2a\u5b57\u7b26\u90fd\u5bf9\u5e94\u4e00\u4e2aASCII\u503c \u3002<\/p>\n

\"\"<\/p>\n

\u5982\u4e0a，\u53ea\u9700\u8bb0\u5fc6\u51e0\u7ec4\u7279\u6b8a\u7684\u6570\u636e：\u5927\u5c0f\u5199\u5b57\u6bcd，\u6570\u5b57\u5b57\u7b260\u20149，\u6362\u884c\u7b26\\\\n\u7684ASCII\u503c\u662f10，\u503c\u5f97\u6ce8\u610f\u7684\u662f\u5927\u5c0f\u5199\u5b57\u6bcd\u5b57\u7b26\u7684ASCII\u7801\u503c\u7684\u5dee\u4e3a32\u3002<\/p>\n

\u4e00\u4e2a\u5b57\u7b26\u7684\u672c\u8d28\u5c31\u662f\u5b83\u7684ASCII\u503c，\u6240\u4ee5\u4ee5\u4e0b\u4ee3\u7801\u4fbf\u662f\u6210\u7acb\u7684：<\/p>\n

#include <iostream>
\nusing namespace std;
\nint main()
\n{
\n char c1 = 'Q'; \/\/\u5b57\u7b26\u7528\u5355\u62ec\u53f7\u5f15\u8d77\u6765
\n cout << c1 << endl;
\n char c2 = 81; \/\/81\u662f\u5b57\u7b26Q\u5bf9\u5e94\u7684ASCII\u503c
\n cout << c2 <<endl;
\n return 0;
\n}<\/p>\n

\u56e0\u4e3ac1\u548c c2\u5747\u4e3achar\u7c7b\u578b\u53d8\u91cf，\u800cASCII\u503c\u53c8\u4ee3\u8868\u5b57\u7b26，\u6240\u4ee5\u8f93\u51fa\u5982\u4e0b：<\/p>\n

Q
\nQ<\/p>\n

<\/h3>\n

3.2 \u6574\u578b<\/h3>\n

\u6574\u5f62\u5206\u4e3a\u56db\u7c7b：<\/p>\n

\u00b7short\u6d6e\u70b9\u578b（int）\u00a0 \u00a0 \u00a0 \u00a0 \/\/int\u53ef\u7701\u7565<\/p>\n

\u00b7int\u00a0<\/p>\n

\u00b7long (int)<\/p>\n

\u00b7long long (int)<\/p>\n

3.3 \u6d6e\u70b9\u578b<\/h3>\n

\u6d6e\u70b9\u578b\u662f\u5bf9\u6240\u6709\u5b9e\u6570（\u5c0f\u6570）\u7684\u62bd\u8c61，\u6d6e\u70b9\u578b\u662f\u6307\u5c0f\u6570\u70b9\u53ef\u4ee5\u6d6e\u52a8<\/p>\n

\u6d6e\u70b9\u578b\u5206\u4e3a\u4e09\u7c7b：<\/p>\n

\u00b7float\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/\u5355\u7cbe\u5ea6<\/p>\n

\u00b7double\u00a0 \u00a0 \u00a0 \u00a0 \/\/\u53cc\u7cbe\u5ea6<\/p>\n

\u00b7long double<\/p>\n

3.14; \/\/\u7f16\u8bd1\u5668\u9ed8\u8ba4\u8bc6\u522b\u4e3adouble\u7c7b\u578b
\n3.14f; \/\/\u7f16\u8bd1\u5668\u9ed8\u8ba4\u8bc6\u522b\u4e3afloat\u7c7b\u578b
\n1e5; \/\/\u79d1\u5b66\u8ba1\u6570\u6cd5，\u8868\u793a1.0*10^5
\n\/*
\n\u5b9a\u4e49float\u7c7b\u578b\u53d8\u91cf：
\nfloat a1 = 3.14f；
\n\u5b9a\u4e49double\u7c7b\u578b\u53d8\u91cf：
\ndouble a2 = 3.14；
\n*\/<\/p>\n

3.4 \u5e03\u5c14\u7c7b\u578b<\/h3>\n

\u5e03\u5c14\u7c7b\u578b\u662f\u4e13\u95e8\u7528\u6765\u8868\u793a\u771f\u5047\u7684\u53d8\u91cf\u7c7b\u578b，\u8be5\u7c7b\u578b\u53d8\u91cf\u503c\u53ef\u4ee5\u4e3atrue\u548cfalse；<\/p>\n

\u4e00\u822c\u6765\u8bf4，\u5728C\/C++\u8bed\u8a00\u4e2d，1\u4ee3\u8868\u771f，0\u4ee3\u8868\u5047，\u4e0d\u4f7f\u7528bool\u7c7b\u578b\u65f6\u53ef\u8fbe\u5230\u76f8\u540c\u6548\u679c；<\/p>\n

\u4ee3\u7801\u793a\u4f8b：<\/p>\n

#include <iostream>
\nusing namespace std;<\/p>\n

int main()
\n{
\n bool flag = ture;
\n if(flag)
\n cout << "I like C++" << endl;<\/p>\n

return 0;
\n}<\/p>\n

\u4ee3\u7801\u7684\u903b\u8f91\u65f6\u5982\u679cif\u65c1\u8fb9\u7684\u62ec\u53f7\u91cc\u7684\u503c\u4e3a\u771f\u5c31\u6267\u884c\u8bed\u53e5\u00a0cout << "I like C++" << endl;\u8fdb\u800c\u8f93\u51faI like C++\u3002<\/p>\n

\u4ee5\u4e0b\u4ee3\u7801\u6548\u679c\u76f8\u540c：<\/p>\n

#include <iostream>
\nusing namespace std;<\/p>\n

int main()
\n{
\n int flag = 1;
\n if(flag)
\n cout << "I like C++" << endl;<\/p>\n

return 0;
\n}<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"

1.\u5de5\u5177\u5b89\u88c5\u7f16\u7a0b\u73af\u5883：Dev-C
\n\u4e0b\u8f7d\u7f51\u5740：https:\/\/pc.qq.com\/detail\/16\/detail_163136.html
\n\u914d\u7f6e\u7ade\u8d5b\u73af\u5883\u8bf7\u5230\u4e3b\u9875\u641c\u7d222.\u7b2c\u4e00\u4e2aC\u7a0b\u5e8f2.1 \u57fa\u7840\u7a0b\u5e8f\/\/\u5199\u4e00\u4e2aC\u7a0b\u5e8f
\n\/\/\u5728\u5c4f\u5e55\u4e0a\u6253\u5370：Hello World！
\n\/\/
\n#include
\nusing namespace std;int main()
\n{cout << \\"Hello World!\\" << end<\/p>\n","protected":false},"author":2,"featured_media":74599,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,1813,427,729],"topic":[],"class_list":["post-74600","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-1813","tag-427","tag-729"],"yoast_head":"\n\u84dd\u6865\u676f\u4ece\u96f6\u5230\u83b7\u5956Day1\uff08C\/C++\uff09 - \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\/74600.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u84dd\u6865\u676f\u4ece\u96f6\u5230\u83b7\u5956Day1\uff08C\/C++\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"1.\u5de5\u5177\u5b89\u88c5\u7f16\u7a0b\u73af\u5883：Dev-C \u4e0b\u8f7d\u7f51\u5740：https:\/\/pc.qq.com\/detail\/16\/detail_163136.html \u914d\u7f6e\u7ade\u8d5b\u73af\u5883\u8bf7\u5230\u4e3b\u9875\u641c\u7d222.\u7b2c\u4e00\u4e2aC\u7a0b\u5e8f2.1 \u57fa\u7840\u7a0b\u5e8f\/\/\u5199\u4e00\u4e2aC\u7a0b\u5e8f \/\/\u5728\u5c4f\u5e55\u4e0a\u6253\u5370：Hello World！ \/\/ #include using namespace std;int main() {cout << "Hello World!" << end\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/74600.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-10T00:57:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260210005734-698a827e41cff.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\/74600.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/74600.html\",\"name\":\"\u84dd\u6865\u676f\u4ece\u96f6\u5230\u83b7\u5956Day1\uff08C\/C++\uff09 - 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