{"id":639,"date":"2020-03-04T21:54:00","date_gmt":"2020-03-04T13:54:00","guid":{"rendered":"http:\/\/kylelv.com\/?p=639"},"modified":"2020-03-10T00:01:59","modified_gmt":"2020-03-09T16:01:59","slug":"mystring-%e8%bf%90%e7%ae%97%e7%ac%a6%e9%87%8d%e8%bd%bd","status":"publish","type":"post","link":"https:\/\/blog.kylelv.com\/?p=639","title":{"rendered":"MyString — \u8fd0\u7b97\u7b26\u91cd\u8f7d"},"content":{"rendered":"\n

A:MyString<\/h2>\n\n\n\n

\u603b\u65f6\u95f4\u9650\u5236: 1000ms \u5185\u5b58\u9650\u5236: 65536kB<\/p>\n\n\n\n

\u63cf\u8ff0<\/p>\n\n\n\n

\u8865\u8db3MyString\u7c7b\uff0c\u4f7f\u7a0b\u5e8f\u8f93\u51fa\u6307\u5b9a\u7ed3\u679c<\/p>\n\n\n\n

#include <iostream>\n#include <string>\n#include <cstring>\nusing namespace std;\nclass MyString {\n\tchar * p;\npublic:\n\tMyString(const char * s) {\n\t\tif( s) {\n\t\t\tp = new char[strlen(s) + 1];\n\t\t\tstrcpy(p,s);\n\t\t}\n\t\telse\n\t\t\tp = NULL;\n\n\t}\n\t~MyString() { if(p) delete [] p; }<\/pre>\n\n\n\n
\/\/ \u5728\u6b64\u5904\u8865\u5145\u4f60\u7684\u4ee3\u7801<\/pre>\n\n\n\n
};\nint main()\n{\n\tchar w1[200],w2[100];\n\twhile( cin >> w1 >> w2) {\n\t\tMyString s1(w1),s2 = s1;\n\t\tMyString s3(NULL);\n\t\ts3.Copy(w1);\n\t\tcout << s1 << \",\" << s2 << \",\" << s3 << endl;\n\n\t\ts2 = w2;\n\t\ts3 = s2;\n\t\ts1 = s3;\n\t\tcout << s1 << \",\" << s2 << \",\" << s3 << endl;\n\t\t\n\t}\n}<\/pre>\n\n\n\n
\u8f93\u5165\u591a\u7ec4\u6570\u636e\uff0c\u6bcf\u7ec4\u4e00\u884c\uff0c\u662f\u4e24\u4e2a\u4e0d\u5e26\u7a7a\u683c\u7684\u5b57\u7b26\u4e32\u8f93\u51fa\u5bf9\u6bcf\u7ec4\u6570\u636e\uff0c\u5148\u8f93\u51fa\u4e00\u884c\uff0c\u6253\u5370\u8f93\u5165\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e09\u6b21
\u7136\u540e\u518d\u8f93\u51fa\u4e00\u884c\uff0c\u6253\u5370\u8f93\u5165\u4e2d\u7684\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u4e09\u6b21\u6837\u4f8b\u8f93\u5165<\/p>\n\n\n\n
abc def\n123 456\n<\/pre>\n\n\n\n
\u6837\u4f8b\u8f93\u51fa<\/p>\n\n\n\n
abc,abc,abc\ndef,def,def\n123,123,123\n456,456,456\n<\/pre>\n\n\n\n
\u6765\u6e90Guo Wei<\/p>\n\n\n\n
#include <iostream>\n#include <string>\n#include <cstring>\nusing namespace std;\nclass MyString {\n\tchar * p;\npublic:\n\tMyString(const char * s) {\n\t\tif( s) {\n\t\t\tp = new char[strlen(s) + 1];\n\t\t\tstrcpy(p,s);\n\t\t}\n\t\telse\n\t\t\tp = NULL;\n\n\t}\n\t~MyString() { if(p) delete [] p; }\n\n\tMyString(const MyString &s){\n\t\tp=new char[strlen(s.p)+1];\n\t\tstrcpy(p,s.p);\n\t}\n\tvoid Copy(const char *s){\n\t\tdelete []p;\n\t\tp=new char[strlen(s)+1];\n\t\tstrcpy(p,s);\n\t}\n\tMyString & operator =(const char *s){\n\t\tdelete []p;\n\t\tp=new char[strlen(s)+1];\n\t\tstrcpy(p,s);\n\t\treturn *this;\n\t}\n\tMyString & operator =(const MyString &s){\n\t\tif(this==&s) return *this;\n\t\tdelete []p;\n\t\tp=new char[strlen(s.p)+1];\n\t\tstrcpy(p,s.p);\n\t\treturn *this;\n\t}\n\tfriend ostream & operator <<(ostream & o,const MyString &s){\n\t\to<<s.p;\n\t\treturn o;\n\t}\n};\nint main()\n{\n\tchar w1[200],w2[100];\n\twhile( cin >> w1 >> w2) {\n\t\tMyString s1(w1),s2 = s1;\n\t\tMyString s3(NULL);\n\t\ts3.Copy(w1);\n\t\tcout << s1 << \",\" << s2 << \",\" << s3 << endl;\n\n\t\ts2 = w2;\n\t\ts3 = s2;\n\t\ts1 = s3;\n\t\tcout << s1 << \",\" << s2 << \",\" << s3 << endl;\n\t\t\n\t}\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
A:MyString \u603b\u65f6\u95f4\u9650\u5236: 1000ms \u5185\u5b58\u9650\u5236: 65536kB \u63cf […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[70],"tags":[],"class_list":["post-639","post","type-post","status-publish","format-standard","hentry","category-70"],"_links":{"self":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts\/639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=639"}],"version-history":[{"count":3,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts\/639\/revisions"}],"predecessor-version":[{"id":664,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=\/wp\/v2\/posts\/639\/revisions\/664"}],"wp:attachment":[{"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.kylelv.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}