{"id":242,"date":"2025-12-25T02:02:53","date_gmt":"2025-12-24T18:02:53","guid":{"rendered":"https:\/\/cn-dxjj.com\/index.php\/2025\/12\/25\/%e7%94%a8c%e8%af%ad%e8%a8%80%e5%86%99%e4%b8%aa%e7%a8%8b%e5%ba%8f%ef%bc%8c%e5%ae%9e%e7%8e%b0%e6%89%91%e5%85%8b%e7%89%8c%e7%ae%9724%e7%82%b9%e7%9a%84%e7%8e%a9%e6%b3%95\/"},"modified":"2025-12-25T02:02:53","modified_gmt":"2025-12-24T18:02:53","slug":"%e7%94%a8c%e8%af%ad%e8%a8%80%e5%86%99%e4%b8%aa%e7%a8%8b%e5%ba%8f%ef%bc%8c%e5%ae%9e%e7%8e%b0%e6%89%91%e5%85%8b%e7%89%8c%e7%ae%9724%e7%82%b9%e7%9a%84%e7%8e%a9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/qqovblr.com\/index.php\/2025\/12\/25\/%e7%94%a8c%e8%af%ad%e8%a8%80%e5%86%99%e4%b8%aa%e7%a8%8b%e5%ba%8f%ef%bc%8c%e5%ae%9e%e7%8e%b0%e6%89%91%e5%85%8b%e7%89%8c%e7%ae%9724%e7%82%b9%e7%9a%84%e7%8e%a9%e6%b3%95\/","title":{"rendered":"\u7528C\u8bed\u8a00\u5199\u4e2a\u7a0b\u5e8f\uff0c\u5b9e\u73b0\u6251\u514b\u724c\u7b9724\u70b9\u7684\u73a9\u6cd5"},"content":{"rendered":"

\u9898\u76ee\u63cf\u8ff0\uff1a<\/p>\n

\u4ece\u4e2d\u9009\u53d6\u56db\u5f20\u724c\uff0c\u8fd9\u56db\u5f20\u724c\u5206\u522b\u4ee3\u8868\u7740\u56db\u4e2a\u57281\u523013\u8303\u56f4\u5185\u7684\u6570\uff0c\u5176\u4e2dJ\u3001Q\u3001K\u5206\u522b\u5bf9\u5e9411\u300112\u300113\uff0c\u4e24\u4e2a\u53f8\u4ee4\u90fd\u4ee3\u88686\uff0c\u5bf9\u8fd9\u56db\u4e2a\u6570\u6dfb\u52a0\u89c4\u5b9a\u7684\u52a0\u3001\u51cf\u3001\u4e58\u3001\u9664\u8fd0\u7b97\u7b26\uff0c\u6bcf\u4e2a\u6570\u53ea\u80fd\u7528\u4e00\u6b21\uff0c\u6570\u7684\u987a\u5e8f\u80fd\u968f\u610f\u7ec4\u5408\uff0c\u8fd0\u7b97\u7b26\u4ece\u52a0\u3001\u51cf\u3001\u4e58\u3001\u9664\u91cc\u4efb\u610f\u53d6\u4e09\u4e2a\u4e14\u80fd\u91cd\u590d\u9009\u53d6\uff0c\u8fd0\u7b97\u9075\u5faa\u4e00\u5b9a\u4f18\u5148\u7ea7\u522b\uff0c\u8fd8\u80fd\u7528\u62ec\u53f7\u63a7\u5236\uff0c\u6700\u540e\u8ba9\u8fd0\u7b97\u7ed3\u679c\u7b49\u4e8e24\uff0c\u7ed9\u51fa\u4e00\u79cd\u7b26\u5408\u8981\u6c42\u7684\u89e3\u51b3\u65b9\u6848\u7684\u8868\u8fbe\u5f0f\u5e76\u7528\u62ec\u53f7\u8868\u793a\u8fd0\u7b97\u4f18\u5148 \u3002\u5982\u679c\u6ca1\u6709\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\uff0c\u5219\u8f93\u51fa-1\u8868\u793a\u65e0\u89e3\u3002<\/p>\n

\u8f93\u5165\u683c\u5f0f\u8bf4\u660e\uff1a<\/p>\n

\u8f93\u5165\u5728\u4e00\u884c\u4e2d\u7ed9\u51fa4\u4e2a\u6574\u6570\uff0c\u6bcf\u4e2a\u6574\u6570\u53d6\u503c\u5728\u3002<\/p>\n

\u8f93\u51fa\u683c\u5f0f\u8bf4\u660e\uff1a<\/p>\n

\u8f93\u51fa\uff0c\u4e00\u79cd\uff0c\u89e3\u51b3\u65b9\u6848\uff0c\u7684\uff0c\u8868\u8fbe\u5f0f\uff0c\u7528\uff0c\u62ec\u53f7\uff0c\u8868\u793a\uff0c\u8fd0\u7b97\uff0c\u4f18\u5148\u3002\u8981\u662f\uff0c\u6ca1\u6709\uff0c\u89e3\u51b3\u65b9\u6848\uff0c\u90a3\u5c31\uff0c\u8f93\u51fa\uff0c-1\u3002<\/p>\n

\u6837\u4f8b\u8f93\u5165\u4e0e\u8f93\u51fa\uff1a<\/p>\n

\u89e3\u7b54\u8bf4\u660e\uff1a<\/p>\n

\u56db\u4e2a\u64cd\u4f5c\u6570\uff0c\u4e09\u4e2a\u64cd\u4f5c\u7b26\uff0c\u4e24\u4e2a\u62ec\u53f7\uff0c\u6709\u4ee5\u4e0b\u4e94\u79cd\u8ba1\u7b97\u6a21\u5f0f<\/p>\n

((A op B) op C) op D<\/p>\n

(A op (B op C)) op D<\/p>\n

A op (B op (C op D))<\/p>\n

A op ((B op C) op D)<\/p>\n

(A op B) op (C op D)<\/p>\n

\u5c06\u6bcf\u4e00\u79cd\u6a21\u5f0f\u5fb7\u4fe1\u7ade\u6280\uff0c\u5199\u6210\u51fd\u6570\uff0c\u6700\u540e\uff0c\u91c7\u7528\u7a77\u4e3e\u6cd5\uff0c\u627e\u5230\uff0c\u8ba1\u7b97\u7ed3\u679c\u4e3a24\u7684\u7b97\u5f0f\u3002<\/p>\n

\u6e90\u7801\uff1a<\/p>\n

\u8bf7\u6ce8\u610f\uff0c\u8981\u5728\u8f93\u51fa\u7ed3\u679c\u7684\u540e\u9762\u52a0\u4e0a\u6362\u884c\u7b26n\uff0c\u4e0d\u7136\u4f1a\u56e0\u4e3a\u683c\u5f0f\u7684\u95ee\u9898\u51fa\u73b0\u9519\u8bef\uff0c\u8fd9\u53ef\u592a\u5751\u4eba\u4e86\u554a!!!\u5305\u542b\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u5934\u6587\u4ef6stdio.h\uff0c\u5305\u542b\u6807\u51c6\u5e93\u51fd\u6570\u5934\u6587\u4ef6stdlib.h\uff0c\u5b57\u7b26\u578b\u53d8\u91cfop\u88ab\u8d4b\u503c\u4e3a(‘#’,’+’,’-‘,’*’,’\/’)\uff0c\u6d6e\u70b9\u578b\u51fd\u6570cal\u63a5\u53d7\u6d6e\u70b9\u578b\u53c2\u6570x\u3001y\u4ee5\u53ca\u6574\u578b\u53c2\u6570op\uff0c\u5728\u51fd\u6570\u5185\u90e8\u901a\u8fc7switch\u8bed\u53e5\u8fdb\u884c\u5224\u65ad\uff0c\u5f53op\u4e3a1\u65f6\u8fd4\u56dex\u4e0ey\u7684\u548c\uff0c\u5f53op\u4e3a2\u65f6\u8fd4\u56dex\u4e0ey\u7684\u5dee\uff0c\u5f53op\u4e3a3\u65f6\u8fd4\u56dex\u4e0ey\u7684\u4e58\u79ef\uff0c\u5f53op\u4e3a4\u65f6\u8fd4\u56dex\u4e0ey\u7684\u5546\uff0c\u6d6e\u70b9\u578b\u51fd\u6570calculate_model1\u63a5\u53d7\u6d6e\u70b9\u578b\u53c2\u6570i\u3001j\u3001k\u3001t\u4ee5\u53ca\u6574\u578b\u53c2\u6570op1\u3001op2\u3001op3\uff0c\u5728\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u6d6e\u70b9\u578b\u53d8\u91cfr1\u3001r2\u3001r3\uff0cr1\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165i\u3001j\u3001op1\u5f97\u5230\uff0cr2\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165r1\u3001k\u3001op2\u5f97\u5230\uff0cr3\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165r2\u3001t\u3001op3\u5f97\u5230\uff0c\u6700\u540e\u8fd4\u56der3\uff0c\u6d6e\u70b9\u578b\u51fd\u6570calculate_model2\u63a5\u53d7\u6d6e\u70b9\u578b\u53c2\u6570i\u3001j\u3001k\u3001t\u4ee5\u53ca\u6574\u578b\u53c2\u6570op1\u3001op2\u3001op3\uff0c\u5728\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u6d6e\u70b9\u578b\u53d8\u91cfr1\u3001r2\u3001r3\uff0cr1\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165j\u3001k\u3001op2\u5f97\u5230\uff0cr2\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165i\u3001r1\u3001op1\u5f97\u5230\uff0cr3\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165r2\u3001t\u3001op3\u5f97\u5230\uff0c\u6700\u540e\u8fd4\u56der3\uff0c\u6d6e\u70b9\u578b\u51fd\u6570calculate_model3\u63a5\u53d7\u6d6e\u70b9\u578b\u53c2\u6570i\u3001j\u3001k\u3001t\u4ee5\u53ca\u6574\u578b\u53c2\u6570op1\u3001op2\u3001op3\uff0c\u5728\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u6d6e\u70b9\u578b\u53d8\u91cfr1\u3001r2\u3001r3\uff0cr1\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165k\u3001t\u3001op3\u5f97\u5230\uff0cr2\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165j\u3001r1\u3001op2\u5f97\u5230\uff0cr3\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165i\u3001r2\u3001op1\u5f97\u5230\uff0c\u6700\u540e\u8fd4\u56der3\uff0c\u6d6e\u70b9\u578b\u51fd\u6570calculate_model4\u63a5\u53d7\u6d6e\u70b9\u578b\u53c2\u6570i\u3001j\u3001k\u3001t\u4ee5\u53ca\u6574\u578b\u53c2\u6570op1\u3001op2\u3001op3\uff0c\u5728\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u6d6e\u70b9\u578b\u53d8\u91cfr1\u3001r2\u3001r3\uff0cr1\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165j\u3001k\u3001op2\u5f97\u5230\uff0cr2\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165r1\u3001t\u3001op3\u5f97\u5230\uff0cr3\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165i\u3001r2\u3001op1\u5f97\u5230\uff0c\u6700\u540e\u8fd4\u56der3\uff0c\u6d6e\u70b9\u578b\u51fd\u6570calculate_model5\u63a5\u53d7\u6d6e\u70b9\u578b\u53c2\u6570i\u3001j\u3001k\u3001t\u4ee5\u53ca\u6574\u578b\u53c2\u6570op1\u3001op2\u3001op3\uff0c\u5728\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u6d6e\u70b9\u578b\u53d8\u91cfr1\u3001r2\u3001r3\uff0cr1\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165i\u3001j\u3001op1\u5f97\u5230\uff0cr2\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165k\u3001t\u3001op3\u5f97\u5230\uff0cr3\u901a\u8fc7\u8c03\u7528cal\u51fd\u6570\u4f20\u5165r1\u3001r2\u3001op2\u5f97\u5230\uff0c\u6700\u540e\u8fd4\u56der3\uff0c\u6574\u578b\u51fd\u6570get24\u63a5\u53d7\u6574\u578b\u53c2\u6570i\u3001j\u3001k\u3001t\uff0c\u6574\u578b\u53d8\u91cfop1\u3001op2\u3001op3\uff0c\u6574\u578b\u53d8\u91cfflag\u88ab\u8d4b\u503c\u4e3a0\uff0c\u4e4b\u540e\u901a\u8fc7for\u5faa\u73af\u8ba9op1\u4ece1\u5f00\u59cbn\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u9898\u76ee\u63cf\u8ff0\uff1a\u4e00\u526f\u6251\u514b\u724c\u7684\u6bcf\u5f20\u724c\u8868\u793a\u4e00\u4e2a\u6570\uff08J\u3001Q\u3001K\u5206\u522b\u8868\u793a11\u300112\u300113\uff0c\u4e24\u4e2a\u53f8\u4ee4\u90fd\u8868\u793a6\uff09\u3002\u4efb\u53d64\u5f20\u724c\uff0c\u5373\u5f97\u52304\u4e2a1~13\u7684\u6570\uff0c\u8bf7\u6dfb\u52a0\u8fd0\u7b97\u7b26\uff08\u89c4\u5b9a\u4e3a\u52a0+\u51cf-<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[259,257,258,261,260],"class_list":["post-242","post","type-post","status-publish","format-standard","hentry","category-pkxw","tag-259","tag-c","tag-258","tag-261","tag-260"],"_links":{"self":[{"href":"https:\/\/qqovblr.com\/index.php\/wp-json\/wp\/v2\/posts\/242","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qqovblr.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qqovblr.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qqovblr.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qqovblr.com\/index.php\/wp-json\/wp\/v2\/comments?post=242"}],"version-history":[{"count":0,"href":"https:\/\/qqovblr.com\/index.php\/wp-json\/wp\/v2\/posts\/242\/revisions"}],"wp:attachment":[{"href":"https:\/\/qqovblr.com\/index.php\/wp-json\/wp\/v2\/media?parent=242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qqovblr.com\/index.php\/wp-json\/wp\/v2\/categories?post=242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qqovblr.com\/index.php\/wp-json\/wp\/v2\/tags?post=242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}