{"id":2382,"date":"2023-02-19T12:00:10","date_gmt":"2023-02-19T04:00:10","guid":{"rendered":"https:\/\/www.lcettsg.cn\/code\/?p=2382"},"modified":"2023-03-12T14:05:28","modified_gmt":"2023-03-12T06:05:28","slug":"c%e8%af%ad%e8%a8%80%e5%91%a8%e6%97%a5%e4%b8%8a%e5%8d%88","status":"publish","type":"post","link":"https:\/\/www.lcettsg.cn\/code\/?p=2382","title":{"rendered":"c\u8bed\u8a00\u5468\u65e5\u4e0a\u5348"},"content":{"rendered":"\n

C\u8bed\u8a00<\/p>\n\n\n\n

\u6587\u672c  \u6587\u5b57  \u8bb0\u4e8b\u672c  98 2000 2003 xp win7 8 10 11<\/p>\n\n\n\n

Visual studio code  vscode<\/p>\n\n\n\n

IDE:\u96c6\u6210\u5f00\u53d1\u73af\u5883   Integrated Development Environment<\/p>\n\n\n\n

chatGpt<\/p>\n\n\n\n

\u5728\u684c\u9762\u4e0a\u65b0\u5efa\u6587\u4ef6\u5939<\/p>\n\n\n\n

\u5728vsc\u91cc\u9762\u6253\u5f00\u6587\u4ef6\u5939<\/p>\n\n\n\n

\u65b0\u5efa\u6587\u4ef6hello.c\uff0c\u5fc5\u987b\u4ee5.c\u7ed3\u5c3e<\/p>\n\n\n\n

Include\uff1a\u5305\u542b\u3001\u5f15\u5165<\/p>\n\n\n\n

\u9ad8\u7ea7\u8bed\u8a00 \u7f16\u8bd1\u8fc7\u7a0b \u7f16\u8bd1\u5668 \u673a\u5668\u8bed\u8a00<\/p>\n\n\n\n

\u9884\u5904\u7406\u6307\u4ee4  <\/p>\n\n\n\n

Stdio.h :  standard\u6807\u51c6 i\uff1ainput\u8f93\u5165  o\uff1aoutput \u8f93\u51fa  h\uff1aheader<\/p>\n\n\n\n

Int\uff1a\u6574\u6570integer<\/p>\n\n\n\n

Main\uff1a\u4e3b\u8981\u7684\uff0c\u4e3b\u51fd\u6570   \u5b50\u51fd\u6570<\/p>\n\n\n\n

\u7f29\u8fdb\uff1a\u7528Tab\u952e\u8fdb\u884c\u7f29\u8fdb<\/p>\n\n\n\n

\u6bcf\u4e2a\u6587\u4ef6\u6700\u540e\u8981\u52a0\u4e00\u4e2a\u7a7a\u884c<\/p>\n\n\n\n

\u767d\u70b9\u6765\u63d0\u793a\uff0cctrl+s<\/p>\n\n\n\n

Cmd: comman<\/p>\n\n\n\n

\u8ba1\u7b97\u673a\u7ed9\u7528\u6237\u63d0\u4f9b\u670d\u52a1\uff1a\u56fe\u5f62\u7528\u6237\u754c\u9762\u3001\u547d\u4ee4\u884c\u7528\u6237\u754c\u9762\u3002<\/p>\n\n\n\n

Cd\uff1achange directory\u6587\u4ef6\u5939<\/p>\n\n\n\n

dir:  directory<\/p>\n\n\n\n

\u8f93\u5165\u547d\u4ee4\u4e4b\u540e\u600e\u4e48\u8fd0\u884c\uff0cEnter\u56de\u8f66\u63d0\u4ea4<\/p>\n\n\n\n

cls:  clear screen<\/p>\n\n\n\n

TAB\u952e\u547d\u4ee4\u6216\u6587\u4ef6\u540d\u8865\u5168<\/p>\n\n\n\n

\u5728\u6587\u4ef6\u5939\u4e2d\uff0c\u4e00\u4e2a\u70b9\u4ee3\u8868\u5f53\u524d\u6587\u4ef6\u5939\uff0c\u4e8c\u4e2a\u70b9\u4ee3\u8868\u4e0a\u4e00\u7ea7\u6587\u4ef6\u5939<\/p>\n\n\n\n

\u7f16\u8bd1\u5668\uff1agcc  gccgdb.exe<\/p>\n\n\n\n

\u6ca1\u6709\u63d0\u793a\u5c31\u662f\u6700\u597d\u7684\u4e8b\u60c5\u3002<\/p>\n\n\n\n

.c\u6e90\u6587\u4ef6  a.exe \u76ee\u6807\u6587\u4ef6<\/p>\n\n\n\n

\u8fd0\u884c\u7a0b\u5e8f\uff1a<\/p>\n\n\n\n

\u4e0a\u4e0b\u7bad\u5934\u8c03\u51fa\u5386\u53f2\u547d\u4ee4\u3002<\/p>\n\n\n\n

Wangdoc.com\/clang  c language<\/p>\n\n\n\n

\u7ec8\u7aef\uff1a<\/p>\n\n\n\n

path:\u8def\u5f84<\/p>\n\n\n\n

print\uff1a\u6253\u5370 f\uff1aformat \u683c\u5f0f<\/p>\n\n\n\n

\\n: new line \u65b0\u7684\u4e00\u884c\uff0c\u6362\u884c<\/p>\n\n\n\n

undeclared\uff1a\u672a\u58f0\u660e\u7684<\/p>\n\n\n\n

<\/p>\n\n\n\n

3000000000=3e8=3*108<\/sup><\/p>\n\n\n\n

0.0000000000000000021=2.1*10-18<\/sup><\/p>\n\n\n\n

\u6d6e\u70b9\u6570\uff1a<\/p>\n\n\n\n

\u5b9a\u70b9\u6570\uff1a<\/p>\n\n\n\n

100010\uff1a<\/p>\n\n\n\n

\u752832\u4f4d\u6765\u8868\u793a\u6570\u5b57\uff0c\u7528\u5b9a\u70b9\u6570\u7684\u65b9\u6848\uff0c\u524d16\u4f4d\u8868\u793a\u6570\u7684\u6574\u6570\u90e8\u5206\uff0c\u540e16\u8868\u793a\u5c0f\u6570\u90e8\u5206\u3002<\/p>\n\n\n\n

\u6d6e\u70b9\u8fd0\u7b97\u6027\u80fd\uff1a<\/p>\n\n\n\n

\u7528float\uff1a32\u4f4d\u8868\u793a\u5c0f\u6570<\/p>\n\n\n\n

  Double :64\u4f4d\u6765\u8868\u793a\u4e00\u4e2a\u5c0f\u6570  8.345*100<\/sup><\/p>\n\n\n\n

\u75281\u4f4d\u6765\u8868\u793a\u6b63\u8d1f\uff0c\u5c3e\u6570\u7684\u6574\u6570\u90e8\u5206\u3001\u5c0f\u6570\u90e8\u5206  \u7528\u591a\u5c11\u4f4d\u6765\u8868\u793a\u6307\u6570<\/p>\n\n\n\n

8\uff1a1000<\/p>\n\n\n\n

1000.00010001*20<\/sup><\/p>\n\n\n\n

+1.00000010001*23<\/sup><\/p>\n\n\n\n

\u6570\u636e\u7c7b\u578b\uff1a\u6570\u5b57 \u00a0\u6574\u6570\uff08int 32\uff09\u3001\u6d6e\u70b9\u6570<\/p>\n\n\n\n

20230312<\/h2>\n\n\n\n

wangdoc.com\/clang : doc: document\u6587\u6863 com\uff1acompany\u516c\u53f8 lang\uff1alanguage\u8bed\u8a00<\/p>\n\n\n\n

Visual studio code: vsc  \u96c6\u6210\u5f00\u53d1\u73af\u5883<\/p>\n\n\n\n

\u6587\u672c\uff0c<\/p>\n\n\n\n

\u5de5\u4e1a\u7ea7\u522b\u8f6f\u4ef6  \u751f\u4ea7\u529b   <\/p>\n\n\n\n

\u8ba1\u7b97\u673a\u5f53\u4e2d\u7ea6\u5b9a\uff0c\u4e00\u4e2a\u6570\u5b57\u53ea\u6709\u4e24\u4f4d\u5c0f\u6570\uff0c\u8bb0\u6570\u7684\u65f6\u5019\u4e0d\u4fdd\u5b58\u5c0f\u6570\u70b9<\/p>\n\n\n\n

12.89  1289   12.89<\/p>\n\n\n\n

1000<\/p>\n\n\n\n

\u5b9a\u70b9\u6570\uff1a1000000   \u5929\u6587\u5b66  <\/p>\n\n\n\n

\u6d6e\u70b9\u6570\uff1a<\/p>\n\n\n\n

\u6574\u6570<\/p>\n\n\n\n

\u592a\u9633\u8d28\u91cf\uff1a2000000000000000000000000000000<\/p>\n\n\n\n

\u751f\u7269\u3001\u7269\u7406\u3001\u5316\u5b66\uff1a\u5206\u5b50\u3001\u539f\u5b50\u3001\u7535\u5b50\u3001\u8d28\u5b50\u3001\u4e2d\u5b50\u3001\u6838\u5b50  0.0000000000000000000000002<\/p>\n\n\n\n

32\u4f4d  16+16  <\/p>\n\n\n\n

64\u4f4d  32 32<\/p>\n\n\n\n

\u79d1\u5b66\u8ba1\u6570\u6cd5\uff1a200000000000000000000000000000*10 <\/p>\n\n\n\n

20000000000000000000000000000*10*10<\/p>\n\n\n\n

2*10*10*\u2026\u202610 =2*1030<\/sup><\/p>\n\n\n\n

\u79d1\u5b66\u8ba1\u6570\u6cd5\uff1a<\/p>\n\n\n\n

0.0000000000000000000000002  \u539f\u6570 24\u4e2a0<\/p>\n\n\n\n

0. 000000000000000000000002*0.1   23\u4e2a0<\/p>\n\n\n\n

0. 00000000000000000000002*0.1*0.1  22\u4e2a0<\/p>\n\n\n\n

0. 0000000000000000000002*0.1*0.1*0.1  22\u4e2a0<\/p>\n\n\n\n

0.2*24\u4e2a0.1<\/p>\n\n\n\n

2*25\u4e2a0.1\u76f8\u4e58  2*1\/\uff0810\uff09=  2*10-25<\/sup><\/p>\n\n\n\n

1\/10  1\/\uff0810*10\uff09  1\/\uff0810*10*10\uff09  1\/\uff0810*10*\u2026\u202610\uff09 24\u4e2a10<\/p>\n\n\n\n

0.1=1\/10  10-1<\/sup><\/p>\n\n\n\n

10-2<\/sup>=1\/\uff0810*10\uff09<\/p>\n\n\n\n

-2*10-25<\/sup><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u8bed\u8a00 \u6587\u672c  \u6587\u5b57  \u8bb0\u4e8b\u672c  98 2000 2003 xp win7 8 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-2382","post","type-post","status-publish","format-standard","hentry","category-13"],"_links":{"self":[{"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/posts\/2382"}],"collection":[{"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2382"}],"version-history":[{"count":6,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/posts\/2382\/revisions"}],"predecessor-version":[{"id":2644,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/posts\/2382\/revisions\/2644"}],"wp:attachment":[{"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}