{"id":92477,"date":"2020-03-10T06:25:01","date_gmt":"2020-03-09T22:25:01","guid":{"rendered":"http:\/\/4563.org\/?p=92477"},"modified":"2020-03-10T06:25:01","modified_gmt":"2020-03-09T22:25:01","slug":"%e6%9c%89%e4%ba%ba%e6%9d%a5%e8%ae%a8%e8%ae%ba%e6%8a%80%e6%9c%af%e5%90%97%ef%bc%9f%e5%a6%82%e4%bd%95%e9%ab%98%e6%95%88%e7%9a%84%e5%b0%86%e5%ad%97%e7%ac%a6%e4%b8%b2%e4%b8%ad%e7%9a%84%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=92477","title":{"rendered":"\u6709\u4eba\u6765\u8ba8\u8bba\u6280\u672f\u5417\uff1f\u5982\u4f55\u9ad8\u6548\u7684\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u5927\u5c0f\u5199\u4e92\u6362\uff1f"},"content":{"rendered":"
\n
\n
\n

\u6709\u4eba\u6765\u8ba8\u8bba\u6280\u672f\u5417\uff1f\u5982\u4f55\u9ad8\u6548\u7684\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u5927\u5c0f\u5199\u4e92\u6362\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : GDC <\/span> <\/i> 43<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u4f8b\u5982\uff0c\u8f93\u5165 abcXYZhello123 \u8f93\u51fa ABCxyzHELLO123 \uff1b<\/p>\n

\u5c31\u662f\u628a\u5b57\u7b26\u4e32\u4e2d\u7684\u5927\u5199\u5168\u6362\u6210\u5c0f\u5199\u3001\u5c0f\u5199\u5168\u6362\u6210\u5927\u5199\u3002<\/p>\n

\u9664\u4e86\u9010\u4e2a\u5b57\u7b26\u5224\u65ad+\u66ff\u6362\uff0c\u8fd8\u6709\u4ec0\u4e48\u66f4\u5feb\u901f\u9ad8\u6548\u7684\u65b9\u6cd5\u5417\uff1f<\/p>\n

\u4e0d\u9650\u8bed\u8a00\uff0c\u6700\u597d\u662f php \u6216 js \u7684\uff0c\u4ec5\u4ec5\u63d0\u4f9b\u601d\u8def\u8ba8\u8bba\u4e5f\u884c\u3002 <\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (37<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Chingim <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6bcf\u4e2a\u5b57\u7b26\u80af\u5b9a\u90fd\u8981\u5904\u7406\u4e00\u904d, \u6240\u4ee5 O(n) \u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5c11\u4e0d\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : fengtons <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u901a\u8fc7 ascii \u7801\u5224\u65ad\u5e76\u52a0\u51cf\u5b8c\u6210\u8f6c\u6362\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : rigortek <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6b63\u5219\u8868\u8fbe\u5f0f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ahhui <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    ascii \u7801\uff0c\u4e00\u904d\u5faa\u73af\uff0c<x \u7684\u8bdd+x\uff0c>x \u7684\u8bdd-x\uff0c\u5f88\u5bb9\u6613\u3002\u67e5\u4e0b ascii table \u5c31\u77e5\u9053 x \u662f\u51e0\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : GDC <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @rigortek \u4e5f\u60f3\u8fc7\u6b63\u5219\uff0c\u6ca1\u60f3\u660e\u767d\u600e\u4e48\u6574\uff0c\u80fd\u8be6\u7ec6\u70b9\u5417 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Mithril <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5982\u679c\u662f\u517c\u5bb9 ASCII \u7f16\u7801\u7684\u5b57\u7b26\u4e32\u76f4\u63a5\u4f4d\u8fd0\u7b97\u5c31\u53ef\u4ee5\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : KentY <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u4f1a\u7528 ascii code \u7684\u65b9\u6cd5. \u6709\u5174\u8da3\u53ef\u4ee5\u770b\u770b vim \u5b9e\u73b0\u7684”~” <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : GDC <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Mithril \u90fd\u662f ASCII \u7f16\u7801\uff0c\u5c31\u662f base64 \u540e\u7684\u5b57\u7b26 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ysc3839 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5e94\u8be5\u6ca1\u6709\u4e86\uff0c\u7528\u666e\u901a\u7684\u65b9\u6cd5\uff0c\u7f16\u8bd1\u5668\u4f1a\u4f18\u5316\u597d\u7684\u3002
    https:\/\/www.programmingsimplified.com\/c\/program\/c-program-change-case<\/p>\n

    \u4e0d\u8fc7\u521a\u521a\u5728 https:\/\/godbolt.org\/ \u8bd5\u4e86\u4e00\u4e0b\uff0c\u7528 ctype.h \u7684 isupper islower toupper tolower\uff0c\u7f16\u8bd1\u51fa\u6765\u5e76\u6ca1\u6709\u5185\u8054\uff0c\u800c\u662f call \u8fd9\u51e0\u4e2a\u51fd\u6570\u3002\u89c9\u5f97 call \u5f71\u54cd\u6027\u80fd\u7684\u8bdd\u8fd8\u662f\u76f4\u63a5\u5199\u5224\u65ad\u548c\u52a0\u51cf\u6bd4\u8f83\u597d\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : tonytonychopper <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7528\u5565\u65b9\u6cd5\u90fd\u662f O(n)\uff0c\u800c\u4e14\u50cf\u4e0a\u8bf4\u5230\uff0c\u7f16\u8bd1\u5668\u4f1a\u4f18\u5316\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : 52coder <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ysc3839 \u8d5e\u540c\uff0c\u4f7f\u7528 c \u5e93\u91cc\u7684 isupper \u7b49\u51fd\u6570\u6ca1\u5185\u8054\u6682\u5f00\u7684\u8bdd\uff0c\u53ef\u4ee5\u624b\u5199\u51fd\u6570 inline\uff0c\u6bd5\u7adf\u5c31\u5224\u65ad\u4e2a ascii \u7801\u8303\u56f4\uff0c\u5e94\u8be5\u53ef\u4ee5\u5b9e\u73b0\u5185\u8054\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : JerryCha <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u90a3\u4e48\u6709\u6ca1\u6709\u4ec0\u4e48\u529e\u6cd5\u80fd\u4fdd\u8bc1\u6bcf\u4e2a\u5b57\u7b26\u90fd\u904d\u5386\u5230\u4e14\u65f6\u95f4\u590d\u6742\u5ea6\u5c0f\u4e8e O(n)\u5462\uff08\u6bd4\u5982\u8bf4 O(logn)\uff09 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Mithril <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5927\u5199\u5b57\u7b26\u662f 65~90\uff0c\u5c0f\u5199\u662f 97~112
    \u4e8c\u8fdb\u5236\u662f 0100 0001~0101 1010 \u548c 0110 0001~0111 1010
    \u6bd4\u5982
    01010001A\uff0c\u53d8\u6210
    01100001a<\/p>\n

    \u4f60\u53ef\u4ee5\u76f4\u63a5\u7ffb\u8f6c\u7b2c\u516d\u4f4d\uff0c\u5c31\u662f\u5f02\u6216\u4e2a 0010 0000<\/p>\n

    \u8fd9\u4e2a 0010 0000 \u5728 ASCII \u91cc\u9762\u4ee3\u8868\u7a7a\u683c\uff0c\u6240\u4ee5\u4f60\u76f4\u63a5\u5f02\u6216\u4e00\u4e2a\u7a7a\u683c\u5c31\u53ef\u4ee5\u3002\u5f53\u7136\u4f60\u5f97\u9996\u5148\u5224\u65ad\u5b83\u662f\u5b57\u7b26\u3002<\/p>\n

    ASCII \u5f53\u521d\u5c31\u662f\u8fd9\u4e48\u8bbe\u8ba1\u7684\uff0c\u5927\u5c0f\u5199\u57fa\u672c\u90fd\u662f\u5bf9\u79f0\u7684\u4f4d\u7f6e\u3002
    \u53e6\u5916\u867d\u7136 ASCII \u7528\u6765\u7f16\u7801\u5b57\u7b26\uff0c\u4f46\u662f\u5bf9\u5e94\u6570\u5b57\u90a3\u90e8\u5206\u90fd\u662f 0011 \u5f00\u5934\u7684\u3002\u4f60\u628a\u8fd9\u90e8\u5206 mask \u6389\u5269\u4e0b\u7684\u5c31\u662f\u5b57\u7b26\u6240\u8868\u793a\u7684\u5b9e\u9645\u6570\u503c\u3002<\/p>\n

    \u517c\u5bb9\u7684 UTF8 \u4e5f\u662f\u4e00\u6837\u7684\u3002\u4e0d\u8fc7\u6b63\u5e38\u6765\u8bf4\uff0c\u4f60\u8981\u505a\u4e00\u4e2a\u5b8c\u7f8e\u7684\u5927\u5c0f\u5199\u8f6c\u6362\uff0c\u9700\u8981\u5148\u5224\u65ad culture \u624d\u884c\u3002\u4e0d\u8fc7\u7b80\u5355\u7684\u53ef\u4ee5\u5c31\u8fd9\u4e48\u76f4\u63a5\u505a\u4e86\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : thedrwu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5e0c\u814a\u5b57\u6bcd\uff1f
    \u5e26 accent\/umlaut \u7684\u5b57\u6bcd\uff1f
    \u4e0d\u77e5\u9053 tr \u80fd\u4e0d\u80fd\u505a\u3002\u81f3\u5c11 vim \u91cc\u7684~\u53ef\u4ee5\u5b8c\u7f8e\u8f6c\u6362\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wangyzj <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    ascii \u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Believer <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    ascii table <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Bromine0x23 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @JerryCha \u6bcf\u4e2a\u5b57\u7b26\u90fd\u904d\u5386\u5230 \u2261 \u65f6\u95f4\u590d\u6742\u5ea6\u81f3\u5c11\u662f O(n) <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zhx1991 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    ?<\/p>\n

    \u9700\u8981\u904d\u5386\u5c31\u662f O(n) \u7684 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : msg7086 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u90fd\u8bf4\u4e86\u904d\u5386\u4e86\uff0c\u6bd4 O n \u5c0f\u7684\u662f\u8df3\u7740\u5386\u3002
    @JerryCha <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : imn1 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f4d\u8fd0\u7b97
    if (ch & 32)
    ch = ch & 223
    else
    ch = ch | 225 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : demos <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ef\u4ee5\u6309 4 \u5b57\u8282\u6765\u904d\u5386\uff0c\u5c31\u53ef\u4ee5 O(n-4)\u4e86<\/p>\n

    <img alt=”” src=”https:\/\/i.loli.net\/2020\/01\/29\/4lLg63t1eAhy7qT.png”> <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : crab <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5224\u65ad\u8303\u56f4\u7136\u540e\u5f02\u6216 0x20 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ericgui <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    hashmap \uff1f\u63d0\u524d\u641e\u597d\u5bf9\u5e94\u5173\u7cfb\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : augustheart <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6700\u5feb\u7684\u65b9\u6cd5\u5c31\u53ea\u6709\u904d\u5386\u5b57\u7b26\u5224\u65ad\u8fd9\u4e00\u79cd\u3002\u5982\u679c\u8981\u8fdb\u4e00\u6b65\u4f18\u5316\uff0c\u7528\u67e5\u8868\u5e94\u8be5\u6bd4 if \u5feb\u4e00\u4e01\u70b9\uff0c\u4f46\u662f\u4e0d\u4f1a\u6709\u591a\u663e\u8457 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : icyalala <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5373\u4f7f\u90fd\u662f O(n), \u6548\u7387\u4e5f\u4f1a\u76f8\u5dee\u751a\u8fdc\u3002
    \u5c24\u5176\u662f\u5e26\u5206\u652f\u7684\u6765\u5224\u65ad\u8303\u56f4\u7684\uff0c\u5728\u8f93\u5165\u662f\u6df7\u5408\u7b26\u53f7\u7684\u60c5\u51b5\u4e0b\uff0c\u5206\u652f\u9884\u6d4b\u5931\u8d25\u4f1a\u5bfc\u81f4\u6548\u7387\u4f1a\u964d\u4f4e\u597d\u51e0\u500d\u3002<\/p>\n

    \u67e5\u8868+unrolling \u662f\u6211\u80fd\u60f3\u5230\u6700\u5feb\u7684\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Windsooon <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    1. \u5982\u679c\u53ef\u4ee5\u4f7f\u7528\u989d\u5916\u7a7a\u95f4\u7684\u8bdd\uff0c\u5148\u5efa\u7acb\u5927\u5c0f\u5199\u5b57\u6bcd\u7684\u5bf9\u5e94\u54c8\u5e0c\u8868\uff0c\u7136\u540e\u904d\u5386\u66ff\u6362\u3002\u7a7a\u95f4\u590d\u6742\u5ea6\u662f\u5e38\u91cf\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u662f O(n)\uff0cn \u4e3a\u5b57\u7b26\u4e32\u957f\u5ea6\u3002
    2. \u5982\u679c\u4e0d\u80fd\u4f7f\u7528\u989d\u5916\u7a7a\u95f4\u7684\u8bdd\uff0c\u53ef\u4ee5\u5148\u5b9e\u73b0\u4e24\u4e2a\u8f85\u52a9\u51fd\u6570\uff0c\u4e00\u4e2a\u5c06\u5927\u5199\u5b57\u6bcd\u8f6c\u6210\u5c0f\u5199\u5b57\u6bcd\uff0c\u4e00\u4e2a\u5c06\u5c0f\u5199\u5b57\u6bcd\u8f6c\u6210\u5927\u5199\u5b57\u6bcd\u3002\u7136\u540e\u904d\u5386\u5b57\u7b26\u4e32\uff0c\u5148\u5224\u65ad\u662f\u5927\u5199\u8fd8\u662f\u5c0f\u5199\uff0c\u7136\u540e\u8c03\u7528\u5bf9\u5e94\u7684\u51fd\u6570\u3002<\/p>\n

    \u4e0d\u53ef\u80fd\u5b58\u5728\u4f4e\u4e8e O(n) \u65f6\u95f4\u590d\u6742\u5ea6\uff08 n \u4e3a\u5b57\u7b26\u4e32\u957f\u5ea6\uff09\u7684\u65b9\u6cd5\u3002<\/p>\n

    1. \u5047\u8bbe\u5b58\u5728\u8fd9\u6837\u7684\u7b97\u6cd5\uff0c\u4e0d\u9700\u8981\u904d\u5386\u6240\u6709\u5b57\u7b26\u4e32\u5373\u53ef\u5b8c\u6210\u66ff\u6362\u3002
    2. \u8bbe\u7acb\u76ee\u6807\u5b57\u7b26\u4e32 A\uff0c\u9009\u5b9a\u5176\u4e2d\u4e00\u4e2a\u5b57\u7b26 a \u4e3a\u6b64\u7b97\u6cd5\u65e0\u9700\u904d\u5386\u7684\u3002\u5c06 a \u7684\u5927\u5c0f\u5199\u7ffb\u8f6c\uff0c\u5f97\u5230\u65b0\u5b57\u7b26\u4e32 A’
    3. \u56e0\u4e3a\u7b97\u6cd5\u6ca1\u6709\u904d\u5386 a\uff0c\u6240\u4ee5\u7b97\u6cd5\u5bf9 A \u4e0e A’\u5f97\u5230\u7684\u7ed3\u679c\u5e94\u8be5\u662f\u4e00\u6837\u7684\uff0c\u4e0d\u7b26\u5408\u5b9e\u9645\u60c5\u51b5\u3002
    4. \u6240\u4ee5\u4e0d\u5b58\u5728\u8fd9\u6837\u7684\u7b97\u6cd5\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : inhzus <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Windsooon \u4ec0\u4e48\u54c8\u5e0c\u51fd\u6570\u80fd\u6bd4 comp\uff0cadd\/min \u7684\u901f\u5ea6\u66f4\u5feb\u2026 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Windsooon <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @inhzus \u6211\u8868\u8fbe\u5f97\u4e0d\u591f\u51c6\u786e\uff0c\u5728\u8fd9\u4e2a\u9898\u76ee\u4e0b\u65b9\u6cd5 2 \u4f1a\u6bd4\u65b9\u6cd5 1 \u5feb\uff0c\u56e0\u4e3a\u53ea\u9700\u8981\u4e00\u6b21\u6bd4\u8f83\u548c\u4e00\u6b21\u52a0\u51cf\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : 2exploring <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u81ea\u5b9a\u4e49 ascii table\uff0c\u628a\u5176\u4e2d\u5927\u5199\u548c\u5c0f\u5199\u5b57\u6bcd\u4f4d\u7f6e\u6362\u4e00\u4e0b\uff0c\u5176\u4f59\u7684\u548c\u6807\u51c6 ascii table \u4e00\u6837\u3002\u8f6c\u7684\u65f6\u5019\u76f4\u63a5\u7528\u5b57\u7b26\u5f53\u4e0b\u6807\u8bbf\u95ee\u81ea\u5b9a\u4e49\u7684 ascii table \u5c31\u662f\u8f6c\u6362\u540e\u7684\u503c\u3002<\/p>\n

    \u8fd9\u6837\u4e0d\u7528\u6bd4\u8f83\uff0c\u6ca1\u6709\u5206\u652f\uff0c\u4e5f\u8bb8\u4f1a\u6bd4\u8f83\u5feb\uff0c\u5177\u4f53\u600e\u4e48\u6837\u4f60\u8981\u8dd1\u8dd1\u624d\u77e5\u9053\u3002<\/p>\n

    \u8fd9\u4e2a\u65b9\u6cd5\u7a0d\u5fae\u6539\u4e00\u4e0b\u8fd8\u53ef\u4ee5\u7528\u4e8e utf-8 \u7f16\u7801\u7684\u6587\u672c\u3002\u8fd9\u6b21\u81ea\u5b9a\u4e49\u7684\u8868\u4e0d\u662f\u5b58 ascii \u5b57\u7b26\u4e86\uff0c\u800c\u662f\u5728\u5927\u5c0f\u5199\u5b57\u6bcd\u7684\u4f4d\u7f6e\u653e 0x20\uff0c\u5176\u4ed6\u4f4d\u7f6e\u653e 0\uff0c\u64cd\u4ef6\u7531\u76f4\u63a5\u8d4b\u503c\u6539\u4e3a\u5f02\u6216\u540e\u8d4b\u503c\uff08\u5728\u8bb8\u591a\u673a\u5668\u4e0a a ^= b \u548c a = b \u7684\u6267\u884c\u6548\u7387\u662f\u4e00\u6837\u7684\uff09\uff0c\u539f\u7406\u4e0a\u9762\u6709\u63d0\u5230\u4e86\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : 2exploring <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Windsooon \u4f60\u786e\u5b9a\u4e00\u6b21\u6bd4\u8f83\u5c31\u80fd\u77e5\u9053\u662f\u5927\u5c0f\u5199\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : 2exploring <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @inhzus \u4f60\u770b\u6211\u4e0a\u9762\u8bf4\u7684\u6cd5\u5b50\u591f\u5feb\u5417\uff1f\u4e0d\u8981\u628a hash \u60f3\u590d\u6742\u4e86\uff0c\u5176\u5b9e\u5c31\u662f\u4e00\u4e2a\u51fd\u6570\u6620\u5c04\u5173\u7cfb\uff0c\u8fd9\u4e2a\u95ee\u9898\u91cc\u8f93\u5165\u503c\u662f\u6709\u9650\u7684\uff0c\u4e14\u8fde\u7eed\u7684\uff0c\u4e14\u6570\u91cf\u4e0d\u5927\u7684\uff0c\u8fd9\u79cd\u60c5\u51b5\u63d0\u524d\u6253\u4e2a\u8868\uff0c\u8fd8\u8981\u591a\u7b80\u5355\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : flyoungstudio <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    Shell\uff1a
    echo abcXYZhello123 | tr [a-z] [A-Z] <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : alphatoad <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u9047\u4e8b\u4e0d\u51b3\uff0cfpga <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : luozic <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5168\u90e8\u662f\u82f1\u6587\u548c\u6570\u5b57\uff0c\u904d\u5386\u4e00\u6b21\u9700\u8981 O(n)\u3002\u6709\u5565\u65b9\u6cd5\u4e0d\u7528\u904d\u5386\u518d\u8f6c\u6362\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : nvkou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u629b\u7816\u5f15\u7389\u3002\u50cf\u8fd9\u79cd\u4e0a\u4e0b\u6587\u65e0\u5173\u7684\u4efb\u52a1\u53ef\u4ee5\u663e\u5361\u5e76\u884c\u5316\u5904\u7406\u3002\u4e0d\u8fc7\u8131\u79bb php \u8303\u7574\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : msaionyc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @JerryCha \u904d\u5386\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662f\u4e0d\u53ef\u80fd\u5c0f\u4e8e O(n)\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ts8zs <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u76f4\u63a5\u52a0\u4e2a\u7f51\u9875\u5b57\u4f53… <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u6709\u4eba\u6765\u8ba8\u8bba\u6280\u672f\u5417\uff1f\u5982\u4f55\u9ad8\u6548\u7684\u5c06\u5b57\u7b26…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/92477"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=92477"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/92477\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=92477"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=92477"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=92477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}