{"id":67,"date":"2023-03-02T22:29:47","date_gmt":"2023-03-02T14:29:47","guid":{"rendered":"https:\/\/solost.cn\/?p=67"},"modified":"2023-03-02T22:29:47","modified_gmt":"2023-03-02T14:29:47","slug":"154","status":"publish","type":"post","link":"https:\/\/solost.cn\/?p=67","title":{"rendered":"\u9ad8\u7cbe\u5ea6\u4e58\u6cd5"},"content":{"rendered":"<pre><code class=\"lang-cpp\">vector&lt;int&gt; mul(vector&lt;int&gt; A, vector&lt;int&gt; B) {\n    \/\/ A: 4 3 2 1\n    \/\/ B: 6 5\n    vector&lt;int&gt; C(A.size() + B.size() + 7, 0);  \/\/ \u6570\u7ec4C\u5f00\u5927\u4e00\u70b9\u6ca1\u4e8b\uff0c\u53cd\u6b63\u53ef\u4ee5\u53bb\u524d\u5bfc\u96f6\u7684\n    for (int i = 0; i &lt; A.size(); i ++) {\n        for (int j = 0; j &lt; B.size(); j ++) {\n            C[i + j] += A[i] * B[j];\n        }\n    }\n\n    \/\/ \u5904\u7406\u8fdb\u4f4d\n    for (int i = 0; i + 1 &lt; C.size(); i ++) {\n        C[i + 1] += C[i] \/ 10;\n        C[i] %= 10;\n    }\n\n    \/\/ \u5904\u7406\u524d\u5bfc\u96f6 &quot;0000&quot; \u53bb\u6389\u524d\u5bfc\u96f6\n    while (C.size() &gt; 1 &amp;&amp; C.back() == 0) C.pop_back();\n\n    reverse(C.begin(), C.end());\n    return C;\n}\n\nint main() {\n    string s1 = &quot;9899&quot;, s2 = &quot;100&quot;;\n\n    vector&lt;int&gt; A, B;\n    for (int i = s1.size() - 1; i &gt;= 0; i --) A.push_back(s1[i] - &#039;0&#039;);\n    for (int i = s2.size() - 1; i &gt;= 0; i --) B.push_back(s2[i] - &#039;0&#039;);\n\n    C = mul(A, B);\n    cout &lt;&lt; s1 &lt;&lt; &quot;*&quot; &lt;&lt; s2 &lt;&lt; &quot;=&quot;;\n    for (int i = 0; i &lt; C.size(); i ++) cout &lt;&lt; C[i];\n    cout &lt;&lt; endl;\n\n    return 0;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>vector&lt;int&gt; mul(vector&lt;int&gt; A, vector&lt;int&gt; B) { \/\/ A: 4 3 2 1 \/\/ B: 6 5 vector&lt;int&gt; C(A.size() + B.size() + 7, 0); \/\/ \u6570\u7ec4C\u5f00\u5927\u4e00\u70b9\u6ca1\u4e8b\uff0c\u53cd\u6b63\u53ef\u4ee5\u53bb\u524d\u5bfc\u96f6\u7684 for (int i = 0; i &lt; A.size(); i ++) { for (int j = 0; j &lt; B.size(); j ++) { C[i + j] += A[i] * B[j]; } [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[72],"tags":[29],"class_list":["post-67","post","type-post","status-publish","format-standard","hentry","category-acm","tag-29"],"_links":{"self":[{"href":"https:\/\/solost.cn\/index.php?rest_route=\/wp\/v2\/posts\/67","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solost.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/solost.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/solost.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/solost.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=67"}],"version-history":[{"count":0,"href":"https:\/\/solost.cn\/index.php?rest_route=\/wp\/v2\/posts\/67\/revisions"}],"wp:attachment":[{"href":"https:\/\/solost.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=67"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/solost.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=67"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/solost.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=67"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}