{"id":305136,"date":"2024-05-20T19:38:43","date_gmt":"2024-05-20T11:38:43","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/305136.html"},"modified":"2024-05-20T19:39:05","modified_gmt":"2024-05-20T11:39:05","slug":"%e5%a6%82%e4%bd%95%e7%94%a8%e7%bc%96%e7%a8%8b%e5%ae%9e%e7%8e%b0%e6%b5%ae%e7%82%b9%e6%95%b0%e7%bb%9d%e5%af%b9%e5%80%bc%e6%af%94%e8%be%83%e5%a4%a7%e5%b0%8f%e5%b9%b6%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/305136.html","title":{"rendered":"\u5982\u4f55\u7528\u7f16\u7a0b\u5b9e\u73b0\u6d6e\u70b9\u6570\u7edd\u5bf9\u503c\u6bd4\u8f83\u5927\u5c0f\u5e76\u6392\u5e8f"},"content":{"rendered":"

\"\u5982\u4f55\u7528\u7f16\u7a0b\u5b9e\u73b0\u6d6e\u70b9\u6570\u7edd\u5bf9\u503c\u6bd4\u8f83\u5927\u5c0f\u5e76\u6392\u5e8f\"<\/p>\n

\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\u6bd4\u8f83\u5927\u5c0f\u5e76\u6392\u5e8f\u9700\u8981\u901a\u8fc7\u63d0\u53d6\u6bcf\u4e2a\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\u8fdb\u884c\u6bd4\u8f83\u3001\u5e76\u4f7f\u7528\u76f8\u5e94\u7684\u6392\u5e8f\u7b97\u6cd5\u6765\u91cd\u65b0\u6392\u5217\u6570\u5217\u3002\u53d6\u7edd\u5bf9\u503c<\/strong>\u662f\u901a\u8fc7\u8ba1\u7b97\u4e0e0\u7684\u5dee\u7684\u975e\u8d1f\u503c\u6765\u5b9e\u73b0\u7684\uff0c\u6392\u5e8f\u7b97\u6cd5\u5982\u5feb\u901f\u6392\u5e8f\u3001\u5f52\u5e76\u6392\u5e8f\u3001\u5192\u6ce1\u6392\u5e8f\u7b49\u53ef\u4ee5\u7528\u6765\u6392\u5e8f\u6570\u5217\u3002\u5176\u4e2d\u5feb\u901f\u6392\u5e8f\u7b97\u6cd5<\/strong>\u56e0\u5176\u6548\u7387\u8f83\u9ad8\uff0c\u662f\u5b8c\u6210\u6b64\u7c7b\u4efb\u52a1\u7684\u4e0d\u9519\u9009\u62e9\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u53d6\u7edd\u5bf9\u503c\u7684\u5b9e\u73b0<\/h3>\n<\/p>\n

\u9996\u5148\uff0c\u9700\u8981\u7406\u89e3\u5982\u4f55\u83b7\u53d6\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\u3002\u5927\u591a\u6570\u7f16\u7a0b\u8bed\u8a00\u5185\u7f6e\u4e86\u8ba1\u7b97\u7edd\u5bf9\u503c\u7684\u51fd\u6570\u3002\u4f8b\u5982\uff0c\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528abs<\/code>\u51fd\u6570\uff1b\u5728C\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528fabs<\/code>\u51fd\u6570\u7684\u6765\u81eamath.h<\/code>\u7684\u6807\u51c6\u5e93\u3002<\/p>\n<\/p>\n

\u83b7\u53d6\u7edd\u5bf9\u503c<\/h4>\n<\/p>\n

\u5728\u5b9e\u73b0\u6392\u5e8f\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u80fd\u591f\u83b7\u53d6\u5355\u4e2a\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\u3002\u4ee3\u7801\u793a\u4f8b\uff08\u4ee5Python\u4e3a\u4f8b\uff09\uff1a<\/p>\n<\/p>\n

def get_absolute_value(number):<\/p>\n
    return abs(number)<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
number = -3.14<\/p>\n
absolute_number = get_absolute_value(number)<\/p>\n
print(absolute_number) # \u8f93\u51fa: 3.14<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u6bd4\u8f83\u5927\u5c0f\u7684\u903b\u8f91<\/h3>\n<\/p>\n
\u5728\u5f97\u5230\u6bcf\u4e2a\u6570\u7684\u7edd\u5bf9\u503c\u540e\uff0c\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u6bd4\u8f83\u903b\u8f91\uff0c\u4ee5\u5224\u65ad\u54ea\u4e2a\u6570\u5b57\u66f4\u5927\u6216\u8005\u66f4\u5c0f\u3002\u5b83\u4f1a\u6210\u4e3a\u6392\u5e8f\u7b97\u6cd5\u4e2d\u51b3\u5b9a\u5143\u7d20\u4f4d\u7f6e\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n
\u7edd\u5bf9\u503c\u6bd4\u8f83<\/h4>\n<\/p>\n
\u6bd4\u8f83\u4e24\u4e2a\u6570\u7684\u7edd\u5bf9\u503c\u5927\u5c0f\uff0c\u53ef\u4ee5\u76f4\u63a5\u6bd4\u8f83\u5176\u7edd\u5bf9\u503c\u7684\u8fd4\u56de\u7ed3\u679c\uff1a<\/p>\n<\/p>\n
def compare_absolute_values(num1, num2):<\/p>\n
    return get_absolute_value(num1) > get_absolute_value(num2)<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
result = compare_absolute_values(-2.5, 2.3)<\/p>\n
print(result) # \u8f93\u51fa: False, \u56e0\u4e3a\u7edd\u5bf9\u503c 2.5 > \u7edd\u5bf9\u503c 2.3<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u6392\u5e8f\u7b97\u6cd5\u5b9e\u73b0<\/h3>\n<\/p>\n
\u9009\u53d6\u4e00\u4e2a\u9ad8\u6548\u7684\u6392\u5e8f\u7b97\u6cd5\u5bf9\u7edd\u5bf9\u503c\u8fdb\u884c\u6392\u5e8f\u662f\u5173\u952e\u6b65\u9aa4\u3002\u7531\u4e8e\u5feb\u901f\u6392\u5e8f\u7b97\u6cd5\u65f6\u95f4\u590d\u6742\u5ea6\u901a\u5e38\u8f83\u4f4e\uff0c\u5728\u5e73\u5747\u60c5\u51b5\u4e0b\u4e3aO(n log n)\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u5b83\u6765\u5b9e\u73b0\u6392\u5e8f\u3002<\/p>\n<\/p>\n
\u5feb\u901f\u6392\u5e8f\u7b97\u6cd5<\/h4>\n<\/p>\n
\u5feb\u901f\u6392\u5e8f\u7b97\u6cd5\u901a\u8fc7\u9009\u62e9\u4e00\u4e2a\u201c\u57fa\u51c6\u201d\u5143\u7d20\uff0c\u5c06\u6570\u7ec4\u5206\u6210\u4e24\u90e8\u5206\uff0c\u4e00\u90e8\u4e2d\u7684\u6240\u6709\u5143\u7d20\u90fd\u5c0f\u4e8e\u6216\u7b49\u4e8e\u57fa\u51c6\u503c\uff0c\u53e6\u4e00\u90e8\u5206\u7684\u6240\u6709\u5143\u7d20\u90fd\u5927\u4e8e\u5b83\u3002<\/p>\n<\/p>\n
def quick_sort(arr):<\/p>\n
    if len(arr) <= 1:<\/p>\n
        return arr<\/p>\n
    pivot = arr[len(arr) \/\/ 2]<\/p>\n
    left = [x for x in arr if get_absolute_value(x) < get_absolute_value(pivot)]<\/p>\n
    middle = [x for x in arr if get_absolute_value(x) == get_absolute_value(pivot)]<\/p>\n
    right = [x for x in arr if get_absolute_value(x) > get_absolute_value(pivot)]<\/p>\n
    return quick_sort(left) + middle + quick_sort(right)<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
arr = [3.14, -0.21, 2.6, -1.11, 3.15]<\/p>\n
sorted_array = quick_sort(arr)<\/p>\n
print(sorted_array) # \u8f93\u51fa\u6392\u5e8f\u540e\u6570\u7ec4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u7efc\u5408\u51fd\u6570\u6574\u5408<\/h3>\n<\/p>\n
\u6700\u540e\uff0c\u6211\u4eec\u628a\u4ee5\u4e0a\u4e09\u4e2a\u6b65\u9aa4\u6574\u5408\u5230\u4e00\u4e2a\u7efc\u5408\u51fd\u6570\u4e2d\uff0c\u8be5\u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u6d6e\u70b9\u6570\u6570\u7ec4\u4f5c\u4e3a\u8f93\u5165\uff0c\u8fd4\u56de\u8be5\u6570\u7ec4\u6309\u7edd\u5bf9\u503c\u6392\u5e8f\u540e\u7684\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u6570\u7ec4\u6309\u7edd\u5bf9\u503c\u6392\u5e8f<\/h4>\n<\/p>\n
\u6574\u5408\u51fd\u6570\u5c06\u7edd\u5bf9\u503c\u7684\u8ba1\u7b97\u3001\u6bd4\u8f83\u4ee5\u53ca\u6392\u5e8f\u7b97\u6cd5\u5408\u4e8c\u4e3a\u4e00\uff1a<\/p>\n<\/p>\n
def sort_floats_by_absolute_value(arr):<\/p>\n
    return quick_sort(arr)<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
unsorted_array = [-6.1, 3.7, -2.5, 8.3, -7.0, 4.2]<\/p>\n
sorted_by_abs = sort_floats_by_absolute_value(unsorted_array)<\/p>\n
print(sorted_by_abs) # \u8f93\u51fa\u7ecf\u8fc7\u6309\u7edd\u5bf9\u503c\u6392\u5e8f\u540e\u7684\u6570\u7ec4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\uff0c\u65e0\u8bba\u6d6e\u70b9\u6570\u7684\u6b63\u8d1f\uff0c\u90fd\u80fd\u6839\u636e\u5b83\u4eec\u7edd\u5bf9\u503c\u7684\u5927\u5c0f\u6b63\u786e\u6392\u5e8f\u3002\u7531\u4e8e\u6d6e\u70b9\u6570\u53ef\u80fd\u4f1a\u5e26\u6765\u7cbe\u5ea6\u95ee\u9898\uff0c\u4f8b\u59820.1 + 0.2\u4e0e0.3\u6bd4\u8f83\u65f6\u4e0d\u603b\u662f\u76f8\u7b49\uff0c\u5b9e\u9645\u7684\u7f16\u7a0b\u5b9e\u8df5\u4e2d\u9700\u8981\u5bf9\u6bd4\u8f83\u51fd\u6570\u8fdb\u884c\u9002\u5f53\u7684\u8c03\u6574\uff0c\u4ee5\u5904\u7406\u6781\u5c0f\u7684\u8bef\u5dee\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
1. \u6d6e\u70b9\u6570\u7edd\u5bf9\u503c\u6bd4\u8f83\u5927\u5c0f\u7684\u7f16\u7a0b\u5b9e\u73b0\u65b9\u6cd5\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n
\u5728\u7f16\u7a0b\u4e2d\uff0c\u6bd4\u8f83\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\u5b9e\u73b0\uff1a<\/p>\n
    \n
  • \u9996\u5148\uff0c\u8ba1\u7b97\u6bcf\u4e2a\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528fabs()\u51fd\u6570\u6765\u83b7\u53d6\u7edd\u5bf9\u503c\u3002<\/li>\n
  • \u63a5\u4e0b\u6765\uff0c\u4f7f\u7528\u6bd4\u8f83\u8fd0\u7b97\u7b26\uff08\u5982\u5927\u4e8e\u3001\u5c0f\u4e8e\u3001\u7b49\u4e8e\uff09\u6765\u6bd4\u8f83\u4e24\u4e2a\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\u3002<\/li>\n
  • \u6700\u540e\uff0c\u6839\u636e\u6bd4\u8f83\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\u6216\u5176\u4ed6\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n
    2. \u6709\u54ea\u4e9b\u7f16\u7a0b\u8bed\u8a00\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u6d6e\u70b9\u6570\u7edd\u5bf9\u503c\u6bd4\u8f83\u5927\u5c0f\u5e76\u6392\u5e8f\uff1f<\/strong><\/p>\n
    \u8bb8\u591a\u7f16\u7a0b\u8bed\u8a00\u90fd\u63d0\u4f9b\u4e86\u6267\u884c\u6d6e\u70b9\u6570\u7edd\u5bf9\u503c\u6bd4\u8f83\u4ee5\u53ca\u6392\u5e8f\u7684\u529f\u80fd\u3002\u4e00\u4e9b\u5e38\u7528\u7684\u7f16\u7a0b\u8bed\u8a00\u5305\u62ecPython\u3001Java\u3001C++\u3001JavaScript\u7b49\u3002\u8fd9\u4e9b\u8bed\u8a00\u90fd\u63d0\u4f9b\u4e86\u5185\u7f6e\u51fd\u6570\u6216\u6807\u51c6\u5e93\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\u6bd4\u8f83\u548c\u6392\u5e8f\u64cd\u4f5c\u3002<\/p>\n
    3. \u53ef\u4ee5\u7528\u54ea\u4e9b\u7b97\u6cd5\u6765\u5b9e\u73b0\u6d6e\u70b9\u6570\u7edd\u5bf9\u503c\u7684\u6392\u5e8f\uff1f<\/strong><\/p>\n
    \u5728\u5b9e\u73b0\u6d6e\u70b9\u6570\u7edd\u5bf9\u503c\u7684\u6392\u5e8f\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u8bb8\u591a\u4e0d\u540c\u7684\u7b97\u6cd5\u3002\u4e00\u4e9b\u5e38\u89c1\u7684\u7b97\u6cd5\u5305\u62ec\uff1a<\/p>\n
      \n
    • \u5192\u6ce1\u6392\u5e8f\uff1a\u904d\u5386\u6574\u4e2a\u6570\u7ec4\uff0c\u4f9d\u6b21\u6bd4\u8f83\u76f8\u90bb\u7684\u4e24\u4e2a\u5143\u7d20\u5927\u5c0f\uff0c\u5e76\u6309\u7167\u7edd\u5bf9\u503c\u5927\u5c0f\u8fdb\u884c\u4ea4\u6362\uff0c\u91cd\u590d\u8fd9\u4e2a\u8fc7\u7a0b\u76f4\u5230\u6570\u7ec4\u6709\u5e8f\u3002<\/li>\n
    • \u5feb\u901f\u6392\u5e8f\uff1a\u9009\u62e9\u4e00\u4e2a\u57fa\u51c6\u5143\u7d20\uff0c\u5c06\u6570\u7ec4\u5206\u4e3a\u4e24\u4e2a\u5b50\u6570\u7ec4\uff0c\u4e00\u4e2a\u5305\u542b\u8f83\u5c0f\u7684\u7edd\u5bf9\u503c\u5143\u7d20\uff0c\u53e6\u4e00\u4e2a\u5305\u542b\u8f83\u5927\u7684\u7edd\u5bf9\u503c\u5143\u7d20\uff0c\u7136\u540e\u5bf9\u5b50\u6570\u7ec4\u8fdb\u884c\u9012\u5f52\u6392\u5e8f\u3002<\/li>\n
    • \u5f52\u5e76\u6392\u5e8f\uff1a\u5c06\u6570\u7ec4\u9012\u5f52\u5206\u6210\u4e24\u4e2a\u5b50\u6570\u7ec4\uff0c\u7136\u540e\u5c06\u4e24\u4e2a\u5b50\u6570\u7ec4\u5408\u5e76\u4e3a\u4e00\u4e2a\u6709\u5e8f\u6570\u7ec4\uff0c\u91cd\u590d\u8fd9\u4e2a\u8fc7\u7a0b\u76f4\u5230\u6570\u7ec4\u6574\u4f53\u6709\u5e8f\u3002<\/li>\n<\/ul>\n
      \u8fd9\u4e9b\u7b97\u6cd5\u90fd\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\u6392\u5e8f\uff0c\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u7b97\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\u6bd4\u8f83\u5927\u5c0f\u5e76\u6392\u5e8f\u9700\u8981\u901a\u8fc7\u63d0\u53d6\u6bcf\u4e2a\u6d6e\u70b9\u6570\u7684\u7edd\u5bf9\u503c\u8fdb\u884c\u6bd4\u8f83\u3001\u5e76\u4f7f\u7528\u76f8\u5e94\u7684\u6392\u5e8f\u7b97\u6cd5\u6765\u91cd\u65b0\u6392\u5217\u6570\u5217\u3002\u53d6\u7edd\u5bf9 […]","protected":false},"author":3,"featured_media":305159,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/305136"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=305136"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/305136\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/305159"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=305136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=305136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=305136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}