{"id":1527,"date":"2026-05-16T22:47:42","date_gmt":"2026-05-16T14:47:42","guid":{"rendered":"http:\/\/wordpress.fangt.online\/?p=1527"},"modified":"2026-05-16T22:47:42","modified_gmt":"2026-05-16T14:47:42","slug":"%e9%98%b6%e6%ae%b5%e6%80%a7%e6%80%bb%e7%bb%93%e4%b8%8e%e6%8f%90%e9%ab%98","status":"publish","type":"post","link":"http:\/\/wordpress.fangt.online\/index.php\/2026\/05\/16\/%e9%98%b6%e6%ae%b5%e6%80%a7%e6%80%bb%e7%bb%93%e4%b8%8e%e6%8f%90%e9%ab%98\/","title":{"rendered":"\u9636\u6bb5\u6027\u603b\u7ed3\u4e0e\u63d0\u9ad8"},"content":{"rendered":"\n

\u8f93\u5165\u8f93\u51fa<\/h2>\n\n\n\n

cin\u3001cout<\/h3>\n\n\n\n
int a;\nfloat b;\nchar c;\nchar d[100];\nstring e;\ncin >> a >> b >> c >> d >> e;\ncout << a << b << c << d << e;<\/code><\/pre>\n\n\n\n
\u5e26\u7a7a\u683c\u5b57\u7b26\u6570\u7ec4\u3001\u5b57\u7b26\u4e32\u8f93\u5165<\/h4>\n\n\n\n
char c[100];\ncin.ignore(); \/\/ \u6e05\u9664\u4e4b\u524d\u7684\u6362\u884c\u7b26\ncin.getline(c, 100);\n\nstring s;\ncin.ignore(); \/\/ \u6e05\u9664\u4e4b\u524d\u7684\u6362\u884c\u7b26\ngetline(cin, s);<\/code><\/pre>\n\n\n\n
scanf()\u3001printf()<\/h3>\n\n\n\n
int a;\nfloat b;\nlong long c;\ndouble d;\nchar e;\nchar f[100];\n    \nscanf(\"%d %f %lld %lf %c %s\", &a, &b, &c, &d, &e, f);\nprintf(\"%d %f %lld %lf %c %s\", a, b, c, d, e, f);<\/code><\/pre>\n\n\n\n
printf\u548cscanf\u4e0d\u652f\u6301string\u7c7b\u578b\u7684\u64cd\u4f5c\uff0c\u4f46\u53ef\u4ee5\u8f6c\u6362\u8f93\u51fa<\/h4>\n\n\n\n
string s=\"hello world\";\nprintf(\"%s\",s.c_str());<\/code><\/pre>\n\n\n\n
getchar()\u3001putchar()<\/h3>\n\n\n\n
char ch;\nch = getchar();  \/\/ \u4ece\u952e\u76d8\u8bfb\u53d6\u4e00\u4e2a\u5b57\u7b26\nputchar(ch);     \/\/ \u8f93\u51fa\u4e00\u4e2a\u5b57\u7b26<\/code><\/pre>\n\n\n\n
\n
getline\u3001cin.getline\u3001getchar\u5747\u9700\u8981\u6ce8\u610f\u7f13\u51b2\u533a\u6362\u884c\u7b26\u95ee\u9898<\/p>\n<\/blockquote>\n\n\n\n
\u683c\u5f0f\u5316\u5bf9\u6bd4<\/h3>\n\n\n\n
\u529f\u80fd<\/th>printf<\/th>cout<\/th><\/tr><\/thead>
\u6362\u884c<\/strong><\/td>\"\\n\"<\/code><\/td>endl<\/code> \u6216 \"\\n\"<\/code><\/td><\/tr>
\u6574\u6570<\/strong><\/td>%d<\/code><\/td>\u76f4\u63a5\u8f93\u51fa<\/td><\/tr>
\u5c0f\u6570<\/strong><\/td>%f<\/code><\/td>\u76f4\u63a5\u8f93\u51fa<\/td><\/tr>
\u4fdd\u75592\u4f4d\u5c0f\u6570<\/strong><\/td>%.2f<\/code><\/td>cout << fixed << setprecision(2)<\/code><\/td><\/tr>
\u5bbd\u5ea65\u4f4d<\/strong><\/td>%5d<\/code><\/td>cout << setw(5)<\/code><\/td><\/tr>
\u5de6\u5bf9\u9f50<\/strong><\/td>%-5d<\/code><\/td>cout << left << setw(5)<\/code><\/td><\/tr>
\u53f3\u5bf9\u9f50<\/strong><\/td>%5d<\/code><\/td>cout << right << setw(5)<\/code><\/td><\/tr>
\u586b\u51450<\/strong><\/td>%05d<\/code><\/td>cout << setfill('0') << setw(5)<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u65f6\u95f4\u8d85\u65f6\u5904\u7406<\/h3>\n\n\n\n
\u5f53\u8f93\u5165\u6216\u8f93\u51fa\u7684\u6b21\u6570\u8fbe\u523010\u4e07\u4ee5\u4e0a\u65f6\uff0c\u8d85\u65f6\uff08TLE\uff09\u6982\u7387\u6781\u9ad8\uff0c\u56e0\u6b64\u9700\u8981\u7279\u6b8a\u5904\u7406\uff0c\u4ee5\u4e0b\u4e24\u4e2a\u65b9\u6848\u5747\u53ef\uff1a<\/p>\n\n\n\n
    \n
  1. \u4f7f\u7528scanf\u548cprintf\u4ee3\u66ffcin\u548ccout\uff08\u63a8\u8350\uff09<\/li>\n\n\n\n
  2. cin\/cout\u52a0\u901f\uff08\u5fc5\u4f1a\uff09<\/li>\n<\/ol>\n\n\n\n
    #include <iostream>\nusing namespace std;\n\nint main() {\n    \/\/ \u52a0\u901f\u4ee3\u7801\uff08\u56fa\u5b9a\u5199\u6cd5\uff09\n    ios::sync_with_stdio(false);\n    cin.tie(0);\n    cout.tie(0);\n    \n    return 0;\n}<\/code><\/pre>\n\n\n\n
    \u4f7f\u7528cin\/cout\u52a0\u901f\u540e\uff0cendl\u7528”\\n”\u4ee3\u66ff\uff0c\u4e14\u4e0d\u80fd\u4e0escanf\u4e0eprintf\u6df7\u7528\u3002<\/p>\n\n\n\n
    \u6b64\u5916\uff0c\u6700\u4f18\u65b9\u6848\u4e3a\u81ea\u5b9a\u4e49\u5feb\u8bfb\u5feb\u5199\uff08\u6682\u65f6\u4e0d\u9700\u8981\u638c\u63e1\uff0c\u8fbe\u5230100w\u4ee5\u4e0a\u624d\u9700\u8981\uff09<\/p>\n\n\n\n
    \u8fd0\u7b97\u7b26<\/h2>\n\n\n\n
    \u7b97\u672f\u8fd0\u7b97\u7b26<\/h3>\n\n\n\n
    \u8fd0\u7b97\u7b26<\/th>\u542b\u4e49<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
    +<\/code><\/td>\u52a0\u6cd5<\/td>a + b<\/code><\/td><\/tr>
    -<\/code><\/td>\u51cf\u6cd5<\/td>a - b<\/code><\/td><\/tr>
    *<\/code><\/td>\u4e58\u6cd5<\/td>a * b<\/code><\/td><\/tr>
    \/<\/code><\/td>\u9664\u6cd5\uff08\u6574\u6570\u76f8\u8d62\u5f97\u6574\u6570\uff09<\/td>10 \/ 3 = 3<\/code><\/td><\/tr>
    %<\/code><\/td>\u53d6\u6a21\uff08\u4f59\u6570\uff09<\/td>10 % 3 = 1<\/code><\/td><\/tr>
    ++<\/code><\/td>\u81ea\u589e<\/td>i++<\/code> (\u540e\u7f6e), ++i<\/code> (\u524d\u7f6e)<\/td><\/tr>
    --<\/code><\/td>\u81ea\u51cf<\/td>i--<\/code>, --i<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \u8d4b\u503c\u8fd0\u7b97\u7b26<\/h3>\n\n\n\n
    \u8fd0\u7b97\u7b26<\/th>\u793a\u4f8b<\/th>\u7b49\u4ef7\u4e8e<\/th><\/tr><\/thead>
    =<\/code><\/td>a = 5<\/code><\/td>–<\/td><\/tr>
    +=<\/code><\/td>a += 3<\/code><\/td>a = a + 3<\/code><\/td><\/tr>
    -=<\/code><\/td>a -= 3<\/code><\/td>a = a - 3<\/code><\/td><\/tr>
    *=<\/code><\/td>a *= 3<\/code><\/td>a = a * 3<\/code><\/td><\/tr>
    \/=<\/code><\/td>a \/= 3<\/code><\/td>a = a \/ 3<\/code><\/td><\/tr>
    %=<\/code><\/td>a %= 3<\/code><\/td>a = a % 3<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \u5173\u7cfb\u8fd0\u7b97\u7b26\uff08\u6bd4\u8f83\u8fd0\u7b97\u7b26\uff09<\/h3>\n\n\n\n
    \u8fd0\u7b97\u7b26<\/th>\u542b\u4e49<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
    ==<\/code><\/td>\u7b49\u4e8e<\/td>a == b<\/code><\/td><\/tr>
    !=<\/code><\/td>\u4e0d\u7b49\u4e8e<\/td>a != b<\/code><\/td><\/tr>
    ><\/code><\/td>\u5927\u4e8e<\/td>a > b<\/code><\/td><\/tr>
    <<\/code><\/td>\u5c0f\u4e8e<\/td>a < b<\/code><\/td><\/tr>
    >=<\/code><\/td>\u5927\u4e8e\u7b49\u4e8e<\/td>a >= b<\/code><\/td><\/tr>
    <=<\/code><\/td>\u5c0f\u4e8e\u7b49\u4e8e<\/td>a <= b<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \u903b\u8f91\u8fd0\u7b97\u7b26<\/h3>\n\n\n\n
    \u8fd0\u7b97\u7b26<\/th>\u542b\u4e49<\/th>\u8bf4\u660e<\/th><\/tr><\/thead>
    &&<\/code><\/td>\u903b\u8f91\u4e0e<\/td>\u4e24\u8005\u90fd\u4e3a\u771f\u624d\u771f<\/td><\/tr>
    ||<\/code><\/td>\u903b\u8f91\u6216<\/td>\u4e00\u4e2a\u4e3a\u771f\u5373\u4e3a\u771f<\/td><\/tr>
    !<\/code><\/td>\u903b\u8f91\u975e<\/td>\u53d6\u53cd<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \u4f4d\u8fd0\u7b97\u7b26<\/h3>\n\n\n\n
    \u8fd0\u7b97\u7b26<\/th>\u542b\u4e49<\/th>\u793a\u4f8b<\/th><\/tr><\/thead>
    &<\/code><\/td>\u6309\u4f4d\u4e0e<\/td>5 & 3 = 1<\/code> (101 & 011 = 001)<\/td><\/tr>
    |<\/code><\/td>\u6309\u4f4d\u6216<\/td>5 | 3 = 7<\/code> (101 | 011 = 111)<\/td><\/tr>
    ^<\/code><\/td>\u6309\u4f4d\u5f02\u6216<\/td>5 ^ 3 = 6<\/code> (101 ^ 011 = 110)<\/td><\/tr>
    ~<\/code><\/td>\u6309\u4f4d\u53d6\u53cd<\/td>~5 = -6<\/code><\/td><\/tr>
    <<<\/code><\/td>\u5de6\u79fb<\/td>5 << 1 = 10<\/code> (1010)<\/td><\/tr>
    >><\/code><\/td>\u53f3\u79fb<\/td>5 >> 1 = 2<\/code> (10)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \u6761\u4ef6\u8fd0\u7b97\u7b26\uff08\u4e09\u76ee\u3001\u4e09\u5143\uff09<\/h3>\n\n\n\n
    \/\/ \u8bed\u6cd5: \u6761\u4ef6 ? \u771f\u503c : \u5047\u503c\nint a = 10, b = 20;\nint max = (a > b) ? a : b;  \/\/ max = 20<\/code><\/pre>\n\n\n\n
    \u5176\u4ed6\u8fd0\u7b97\u7b26<\/h3>\n\n\n\n
    sizeof\u8fd0\u7b97\u7b26<\/h4>\n\n\n\n
    int a = 10;\ncout << sizeof(int) << endl;   \/\/ 4 \u5b57\u8282\ncout << sizeof(a) << endl;     \/\/ 4\ncout << sizeof(double) << endl; \/\/ 8<\/code><\/pre>\n\n\n\n
    \u9017\u53f7\u8fd0\u7b97\u7b26<\/h4>\n\n\n\n
    int a, b, c;\na = (b=3, c=5, b+c);  \/\/ \u4ece\u5de6\u5230\u53f3\u6267\u884c\uff0c\u8fd4\u56de\u6700\u540e\u4e00\u4e2a\u503c\ncout << a << endl;  \/\/ 8<\/code><\/pre>\n\n\n\n
    \u4f18\u5148\u7ea7<\/h3>\n\n\n\n
    \u4f18\u5148\u7ea7<\/th>\u8fd0\u7b97\u7b26<\/th>\u7ed3\u5408\u6027<\/th><\/tr><\/thead>
    1<\/td>() [] -> . ::<\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr>
    2<\/td>! ~ ++ -- + - * &<\/code> (\u5355\u76ee)<\/td>\u53f3\u5230\u5de6<\/td><\/tr>
    3<\/td>* \/ %<\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr>
    4<\/td>+ -<\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr>
    5<\/td><< >><\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr>
    6<\/td>< <= > >=<\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr>
    7<\/td>== !=<\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr>
    8<\/td>&<\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr>
    9<\/td>^<\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr>
    10<\/td>|<\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr>
    11<\/td>&&<\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr>
    12<\/td>||<\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr>
    13<\/td>?:<\/code><\/td>\u53f3\u5230\u5de6<\/td><\/tr>
    14<\/td>= += -=<\/code> \u7b49<\/td>\u53f3\u5230\u5de6<\/td><\/tr>
    15<\/td>,<\/code><\/td>\u5de6\u5230\u53f3<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"
    \u8f93\u5165\u8f93\u51fa cin\u3001cout \u5e26\u7a7a\u683c\u5b57\u7b26\u6570\u7ec4\u3001\u5b57\u7b26\u4e32\u8f93\u5165 scanf()\u3001printf() printf\u548csca […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61],"tags":[],"class_list":["post-1527","post","type-post","status-publish","format-standard","hentry","category-zl"],"_links":{"self":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/comments?post=1527"}],"version-history":[{"count":2,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1527\/revisions"}],"predecessor-version":[{"id":1529,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1527\/revisions\/1529"}],"wp:attachment":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/media?parent=1527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/categories?post=1527"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/tags?post=1527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}