{"id":93760,"date":"2020-04-15T04:18:45","date_gmt":"2020-04-14T20:18:45","guid":{"rendered":"http:\/\/4563.org\/?p=93760"},"modified":"2020-04-15T04:18:45","modified_gmt":"2020-04-14T20:18:45","slug":"%e5%9c%a8-c-%e8%af%ad%e8%a8%80%e9%87%8c%e9%9d%a2%ef%bc%8c%e4%b8%8d%e8%a7%84%e5%88%99%e7%9a%84%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%9c%89%e4%bb%80%e4%b9%88%e6%af%94%e8%be%83%e6%96%b9%e4%be%bf","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=93760","title":{"rendered":"\u5728 C \u8bed\u8a00\u91cc\u9762\uff0c\u4e0d\u89c4\u5219\u7684\u4e8c\u7ef4\u6570\u7ec4\u6709\u4ec0\u4e48\u6bd4\u8f83\u65b9\u4fbf\u9ad8\u6821\u7684\u590d\u5236\u65b9\u6cd5\u5417\uff1f"},"content":{"rendered":"
\n
\n
\n

\u5728 C \u8bed\u8a00\u91cc\u9762\uff0c\u4e0d\u89c4\u5219\u7684\u4e8c\u7ef4\u6570\u7ec4\u6709\u4ec0\u4e48\u6bd4\u8f83\u65b9\u4fbf\u9ad8\u6821\u7684\u590d\u5236\u65b9\u6cd5\u5417\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : Kellerman <\/span> <\/i> 17<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5c31\u50cf\u6807\u9898\u8bf4\u7684\uff0c\u6211\u73b0\u5728\u9700\u8981\u5c06\u6570\u7ec4\u4ece\u4e00\u4e2a\u4e0d\u89c4\u5219\u7684\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u590d\u5236\u5230\u53e6\u5916\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u4e2d\uff0c\u8fd9\u4e24\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u90fd\u662f\u4e0d\u89c4\u5219\u7684\uff0c\u800c\u4e14\u7ed3\u6784\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u53ea\u662f\u6240\u80fd\u5bb9\u7eb3\u5143\u7d20\u7684\u603b\u957f\u5ea6\u76f8\u7b49\uff0c\u8fd9\u79cd\u95ee\u9898\uff0c\u6709\u4ec0\u4e48\u9ad8\u6548\u7684\u65b9\u6cd5\u5417\uff1f\u8c22\u8c22\u5927\u5bb6\u4e86\uff01<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (32<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : InkStone <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u89c9\u5f97\u6700\u5927\u7684\u95ee\u9898\u662f\uff0c\u4e24\u4e2a\u6570\u7ec4\u7684\u7ed3\u6784\u90fd\u4e0d\u4e00\u6837\uff0c\u4f60\u60f3\u600e\u4e48\u590d\u5236\uff1f<\/p>\n

    \u5982\u679c\u53ea\u662f\u6309\u5185\u5b58\u5730\u5740\u987a\u5e8f\u590d\u5236\uff0c\u90a3\u76f4\u63a5 memcpy \u5c31\u597d\u4e86\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : across <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u80fd\u3002
    \u4e0d\u8fc7\u4e00\u5f00\u59cb\u5c31\u81ea\u5df1 malloc \u4e00\u5757\u533a\u57df\uff0c\u624b\u52a8\u63a7\u5236\u5bf9\u8c61\uff0c\u6548\u7387\u4f1a\u597d\u70b9\u5427\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jngke931126 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5f88\u597d\u5947\u8fd9\u4e2a\u7684\u5e94\u7528\u573a\u666f\uff0c\u80fd\u8bf4\u4e0b\u4e0d\uff0c\u4e5f\u8bb8\u6709\u522b\u7684\u529e\u6cd5\u5462 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : linvon <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ea\u80fd\u81ea\u5df1\u64cd\u4f5c\u5185\u5b58\u4e86\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Kellerman <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @InkStone \u90a3\u5982\u679c\u8bf4 \u6211\u662f\u4ece n \u6bb5\u4e0d\u7b49\u957f\u7684\u8fde\u7eed\u5185\u5b58\uff0c\u590d\u5236\u5230 m \u6bb5\u4e0d\u7b49\u957f\u7684\u5185\u5b58\u91cc\uff0c\u6709\u6ca1\u6709\u6bd4\u8f83\u65b9\u4fbf\u7684\u65b9\u6cd5\u3002\uff08\u6bb5\u5185\u5b58\u5185\u90e8\u662f\u8fde\u7eed\u7684\uff0c\u6bb5\u4e0e\u6bb5\u4e4b\u95f4\u662f\u4e0d\u8fde\u7eed\u7684\uff01\uff09 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Kellerman <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @across \u80fd\u5177\u4f53\u8bb2\u8bb2\u5417\uff0c\u6211\u7684\u5e94\u7528\u573a\u666f\u662f\uff0c\u662f\u4ece n \u6bb5\u4e0d\u7b49\u957f\u7684\u8fde\u7eed\u5185\u5b58\uff0c\u590d\u5236\u5230 m \u6bb5\u4e0d\u7b49\u957f\u7684\u5185\u5b58\u91cc\uff0c\u6709\u6ca1\u6709\u6bd4\u8f83\u65b9\u4fbf\u7684\u65b9\u6cd5\u3002\uff08\u6bb5\u5185\u5b58\u5185\u90e8\u662f\u8fde\u7eed\u7684\uff0c\u6bb5\u4e0e\u6bb5\u4e4b\u95f4\u662f\u4e0d\u8fde\u7eed\u7684\uff01 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Kellerman <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @jngke931126 \u6211\u662f\u4ece n \u6bb5\u4e0d\u7b49\u957f\u7684\u8fde\u7eed\u5185\u5b58\uff0c\u590d\u5236\u5230 m \u6bb5\u4e0d\u7b49\u957f\u7684\u5185\u5b58\u91cc\uff0c\u6709\u6ca1\u6709\u6bd4\u8f83\u65b9\u4fbf\u7684\u65b9\u6cd5\u3002\uff08\u6bb5\u5185\u5b58\u5185\u90e8\u662f\u8fde\u7eed\u7684\uff0c\u6bb5\u4e0e\u6bb5\u4e4b\u95f4\u662f\u4e0d\u8fde\u7eed\u7684\uff01 \u8fd9\u662f\u5e94\u7528\u573a\u666f\uff01 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Kellerman <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @linvon \u81ea\u5df1\u64cd\u4f5c\u5185\u5b58\u8fd9\u4e2a\u80fd\u8be6\u7ec6\u8bf4\u4e0b\u5417\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xpfd <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u81ea\u5df1\u5199\u4e2a\u51fd\u6570\uff0c\u9488\u5bf9\u6bcf\u6bb5\u6570\u636e\uff0c\u5355\u72ec memcpy <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Kellerman <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @xpfd \u90a3\u8fd9\u6837\u7684\u6211\u8981\u6bd4\u5bf9\u6bcf\u4e00\u6bb5\u6e90\u548c\u76ee\u7684\u5185\u5b58\u7684\u957f\u5ea6\uff0c\u7136\u540e\u5206\u60c5\u51b5\u8ba8\u8bba\uff0c\u8fd9\u6837\u5c31\u4f1a\u663e\u7684\u975e\u5e38\u590d\u6742\uff0c\u6709\u4ec0\u4e48\u66f4\u7b80\u5355\u7684\u65b9\u6cd5\u5417\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : linvon <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Kellerman \u624b\u52a8\u6839\u636e\u957f\u5ea6\u81ea\u884c memcpy \u5457\uff0c\u4f60\u8981\u662f\u5acc\u53cc\u5224\u65ad\u9ebb\u70e6\uff0c\u5c31\u5148\u628a n \u6bb5\u5148\u62ff\u51fa\u6765\u5b58\u653e\u6210\u7ebf\u6027\u7684 x\uff0c\u518d\u628a x \u6839\u636e m \u6bb5\u7684\u957f\u5ea6\u62c6\u89e3\u8fdb\u53bb <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zhyl <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6570\u7ec4\u5b58\u50a8\u7a7a\u95f4\u8fde\u7eed, \u76f4\u63a5\u5f53\u6210\u5185\u5b58\u7a7a\u95f4\u4f7f\u7528 memcpy \u62f7\u8d1d\u5c31\u884c\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : across <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Kellerman \u4ec5\u5728\u62f7\u8d1d\u65f6\u89e3\u51b3\u4e0d\u4e86\uff0c\u8981\u5728\u66f4\u9ad8\u5c42\u9762\u4f18\u5316\uff0c\u4e0d\u5982\u67e5\u67e5\u7a00\u758f\u6570\u7ec4\uff08 Sparse Array \uff09\u7ba1\u7406\u65b9\u6cd5\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zhyl <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7ed3\u6784\u4e0d\u4e00\u6837\u4e0d\u5f71\u54cd\u62f7\u8d1d, \u53ea\u5f71\u54cd\u4f60\u600e\u4e48\u53bb\u89e3\u91ca\u8fd9\u4e2a\u6570\u7ec4<\/p>\n

    \u4e3e\u4e2a\u4f8b\u5b50: \u4e00\u4e2a int \u6570\u7ec4\u62f7\u8d1d\u5230\u4e00\u4e2a char \u6570\u7ec4\u4e2d, \u4e24\u4e2a\u6570\u7ec4\u7684\u57fa\u672c\u5143\u7d20\u7ed3\u6784\u5e76\u4e0d\u4e00\u6837, int \u5360 4 \u5b57\u8282(\u5047\u8bbe), char \u5360 1 \u5b57\u8282, \u8fd9\u4e2a\u7ed3\u6784\u53ea\u5f71\u54cd\u4f60\u540e\u7eed\u600e\u4e48\u4f7f\u7528\u8fd9\u4e2a\u6570\u7ec4, \u4f46\u662f\u62f7\u8d1d\u7684\u8bdd\u662f\u4e0d\u770b\u7ed3\u6784\u7684, memcpy \u524d\u4e24\u4e2a\u53c2\u6570\u4e3a void* \u5c31\u5e94\u8be5\u660e\u767d\u8fd9\u4e00\u70b9 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : InkStone <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Kellerman \u6ca1\u770b\u660e\u767d\u4f60\u7684\u610f\u601d\u3002<\/p>\n

    n \u6bb5\u5185\u5b58\u590d\u5236\u5230 m \u6bb5\u5185\u5b58\uff0cn\u2260m \u7684\u65f6\u5019\u600e\u4e48\u505a\u6620\u5c04\uff1f
    \u5047\u8bbe n \u6bb5\u5185\u5b58\u7684\u957f\u5ea6\u4e3a n1,n2,n3,n4,n5\uff0cm \u6bb5\u5185\u5b58\u7684\u957f\u5ea6\u4e3a m1,m2,m3,m4,m5\uff0cn1 \u8981\u590d\u5236\u5230 m1, n1>m1 \u600e\u4e48\u529e\uff0cn1<m1 \u53c8\u600e\u4e48\u586b\u5145\uff1f<\/p>\n

    \u4f60\u6700\u597d\u4e0d\u8981\u63cf\u8ff0\u5f97\u90a3\u4e48\u62bd\u8c61\uff0c\u76f4\u63a5\u628a\u4f60\u60f3\u89e3\u51b3\u7684\u95ee\u9898\u8bf4\u51fa\u6765\u7ed9\u5927\u5bb6\u542c\u542c\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zjsxwc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5bf9\u4e0d\u8d77\u6211\u770b\u4e0d\u61c2\u9898\u76ee <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xdtr <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6839\u636e\u6570\u7ec4 a \u7684\u6240\u6709\u6570\u636e\u957f\u5ea6 malloc \u4e00\u7247\u5185\u5b58 m\uff0c\u628a\u6570\u7ec4 a \u7684\u6240\u6709\u6570\u636e\u6309\u987a\u5e8f\u5b58\u653e\u5230 m \u4e2d\uff0c\u7136\u540e\u6839\u636e\u6570\u7ec4 b \u7684\u6bcf\u4e00\u6bb5\u957f\u5ea6\u4ece m \u4e2d\u53d6\u51fa\u5bf9\u5e94\u7684\u957f\u5ea6\u5b58\u653e\u5230 b \u4e2d\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wutiantong <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    not a good question <\/p>\n

    \u6211\u5efa\u8bae\u5bf9\u95ee\u9898\u505a\u8fdb\u4e00\u6b65\u8865\u5145\uff1a
    \u65e2\u7136\u8981\u95ee\u7684\u662f\u6709\u4ec0\u4e48\u201c\u9ad8\u6548\u7684\u201d\u65b9\u6cd5\uff0c\u90a3\u4e0d\u59a8\u8d34\u4e00\u6bb5\u4ee3\u7801\u6765\u5c55\u793a\u4f5c\u4e3a baseline \u7684\u5b9e\u73b0\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : pkookp8 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @InkStone \u53ef\u80fd\u95ee\u9898\u4e2d n \u548c m \u957f\u5ea6\u867d\u7136\u4e0d\u7b49\uff0c\u4f46\u603b\u957f m \u5927\u4e8e\u7b49\u4e8e n
    \u4f8b\u5982 2 \u6bb5\u5185\u5b58\uff0c\u4e00\u6bb5 4 \u5b57\u8282\u4e00\u6bb5 20 \u5b57\u8282
    \u6309\u5e8f\u62f7\u8d1d\u5230
    3 \u6bb5\u5185\u5b58\uff0c\u4e00\u6bb5 8 \u5b57\u8282\u4e00\u6bb5 12 \u5b57\u8282\u4e00\u6bb5 4 \u5b57\u8282<\/p>\n

    \u6211\u89c9\u5f97\u6ca1\u529e\u6cd5\u5427\uff0c\u5c31\u662f\u6bd4\u8f83\u957f\u77ed\u3002\u77ed\u7684\u90e8\u5206\u76f4\u63a5\u62f7\u8d1d\uff0c\u62f7\u8d1d\u540e\u957f\u7684\u90e8\u5206\u51cf\u53bb\u76f8\u5e94\u957f\u5ea6\uff0c\u7ee7\u7eed\u4e0b\u4e00\u6b21\u62f7\u8d1d <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : oahebky <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u76f4\u63a5\u590d\u5236\u5f88\u4f4e\u6548\u5417\uff1f\uff1f\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : InkStone <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @pkookp8 \u5982\u679c\u653e\u5728\u4e00\u6bb5\u8fde\u7eed\u7684\u5185\u5b58\u91cc\uff0c\u76f4\u63a5 memcpy \u6574\u4e2a\u957f\u5ea6\u5c31\u597d\u4e86\u3002<\/p>\n

    \u6211\u89c9\u5f97\u4f60\u8fd9\u4e2a\u9700\u6c42\u591a\u534a\u662f\u53ef\u4ee5\u585e\u8fdb\u8fde\u7eed\u5185\u5b58\u91cc\u7684\u3002\u8981\u89e3\u6790\u7684\u65f6\u5019\u5199\u4e2a struct reinterpret_cast \u4e00\u4e0b\u5c31\u597d\u4e86\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : crz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zhyl \u770b\u8d77\u6765\u8bf4\u7684\u662f\u7c7b\u4f3c {char, int} => {int, chart} \u8fd9\u6837\u7684\u6620\u5c04\uff0c\u6240\u4ee5\u4e0d\u80fd\u76f4\u63a5\u7528 memcpy <\/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
    \u4f46\u662f\u5982\u679c\u662f\u4e0d\u540c\u7684\u7ed3\u6784\uff0c\u4e0d\u8003\u8651\u4e24\u4e2a\u7ed3\u6784\u4f53\u662f\u5426\u7528\u53ef\u4ee5\u7528\u6765\u53d6\u5de7\u7684\u533a\u522b\uff0cfor \u662f\u4f60\u552f\u4e00\u53ef\u9760\u7684\u9009\u62e9\u3002
    \u800c\u4e14\u5c31\u7b97\u5f00 for \u904d\u5386\u4e5f\u5e76\u4e0d\u6162\u3002\uff08\u5f53\u7136\uff0c\u4f60\u4e5f\u53ef\u4ee5\u8003\u8651\u7528 duff’s device \u51cf\u5c11\u5faa\u73af\u7684\u6d88\u8017\uff09 <\/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
    @augustheart \u5f53\u7136\uff0c\u6211\u5e76\u6ca1\u6709\u8003\u8651\u80fd\u4e0d\u80fd\u5199\u4e2a\u5408\u7528\u7684 duff’s device\uff0c\u6240\u4ee5\u5c31\u662f\u4e2a\u778e\u8bf4\u3002
    \u4f46\u662f\u65e0\u8bba\u5982\u4f55\uff0c\u6bcf\u4e00\u4e2a\u5143\u7d20\u90fd\u5fc5\u987b\u5904\u7406\u5230 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : name1991 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5982\u679c\u6bb5\u4e0e\u6bb5\u4e4b\u95f4\u4e0d\u8fde\u7eed\u7684\u8bdd\u662f\u6709\u70b9\u96be\u529e\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zjsxwc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    C \u6ca1\u6709 Rust \u7684 Match \u8bed\u6cd5<\/p>\n

    \u4e3b\u7684\u9700\u6c42\u53ea\u80fd\u7528 yacc \u5199\u4e2a\u8f6c\u6362\u4ee3\u7801\u751f\u4ea7\u673a\uff0c\u81ea\u52a8\u751f\u6210 C \u4ee3\u7801 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : name1991 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zjsxwc \u5199\u4e0b\u601d\u8def\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ExplorerLog <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    sizeof \u7b2c\u4e00\u6bb5 \u548c memcpy \u7b2c\u4e00\u6bb5\uff0c\u6307\u9488\u52a0\u7b2c\u4e00\u6bb5 size
    sizeof \u7b2c\u4e8c\u6bb5 \u548c memcpy \u7b2c\u4e8c\u6bb5\uff0c\u6307\u9488\u52a0\u7b2c\u4e8c\u6bb5 size
    …<\/p>\n

    \u5faa\u73af\u64cd\u4f5c<\/p>\n

    \u5199\u4e2a\u51fd\u6570 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zjsxwc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @name1991 #27 \u539f\u6587\uff1a\u201c@zjsxwc \u5199\u4e0b\u601d\u8def\uff1f\u201d
    \u56de\u590d\uff1a<\/p>\n

    \u5c31\u662f\u8bbe\u8ba1\u4e00\u4e2a\u4f60 n \u6bb5\u5185\u5b58\u6570\u636e\u5230 m \u6bb5\u5185\u5b58\u6570\u636e\u5bf9\u5e94\u89c4\u5219\u7684\u63cf\u8ff0\u8bed\u6cd5 X\uff0c\u7136\u540e yacc \u8bbe\u8ba1\u4e00\u4e2a\u7b80\u5355\u7684\u7f16\u8bd1\u5668\u628a\u7528\u8bed\u6cd5 X \u5199\u7684\u5bf9\u5e94\u89c4\u5219\u7f16\u8bd1\u6210\u76f8\u5e94\u7684 C \u8bed\u8a00\u6e90\u4ee3\u7801\u3002<\/p>\n

    \u8fd9\u4e2a X \u8bed\u6cd5\u5f88\u7b80\u5355\uff0c\u6bd4\u5982
    (n1, len1),(n2, len2),(n3, len3) -> (m1, len4),(m2, len5)<\/p>\n

    \u5176\u4e2d len1+len2+len3==len4+len5<\/p>\n

    \u8868\u793a\u628a n \u6bb5\u5185\u5b58\u4e2d 3 \u6bb5\u6570\u636e\u590d\u5236\u5230 m \u6bb5\u5185\u5b58\u4e2d\u7684 2 \u6bb5\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zjsxwc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7f16\u8bd1\u51fa\u6765\u7684 c \u4ee3\u7801\u5c31\u662f\u4e00\u5806 memcpy \u8c03\u7528\u4ee5\u53ca\u7ef4\u62a4\u6bcf\u4e2a memcpy \u4e09\u4e2a\u53c2\u6570\u7684\u4ee3\u7801\uff0c\u633a\u65e0\u8111\u7684\u3002<\/p>\n

    \u5f53\u7136\u4e5f\u53ef\u4ee5\u4e0d\u7528 yacc \u76f4\u63a5\u89e3\u6790\u4e5f\u884c\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : nightwitch <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    pod \u7c7b\u578b\u76f4\u63a5 for \u5faa\u73af\u62f7\u8d1d\u5c31\u884c\u4e86\uff0c\u4e0d\u4f1a\u6bd4\u4f60\u6362\u7740\u82b1\u6837 memcpy \u6162\u5f88\u591a\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Huelse <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u65e2\u7136\u7528\u4e86 c \u8bed\u8a00\uff0c\u5c31\u544a\u522b\u4e86\u4f18\u96c5\u7684\u5199\u6cd5\uff0c\u81ea\u5df1\u52a8\u624b\u64cd\u4f5c\u6307\u9488\u3001\u5185\u5b58\u7b49\uff0c\u4e0a\u90fd\u8bf4\u4e86\u5f88\u591a\u4e86<\/p>\n

    \u5f53\u7136\u7528 c++\u76f4\u63a5 template \u597d\u4e86\uff0c\u5b9e\u5728\u4e0d\u884c\u8fd8\u53ef\u4ee5\u7528 gsl <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n","protected":false},"excerpt":{"rendered":"

    \u5728 C \u8bed\u8a00\u91cc\u9762\uff0c\u4e0d\u89c4\u5219\u7684\u4e8c\u7ef4\u6570\u7ec4…<\/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\/93760"}],"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=93760"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/93760\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=93760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=93760"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=93760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}