{"id":778,"date":"2024-07-18T09:00:00","date_gmt":"2024-07-18T01:00:00","guid":{"rendered":"https:\/\/seanxd.com\/?p=778"},"modified":"2024-06-25T17:23:14","modified_gmt":"2024-06-25T09:23:14","slug":"zerojudge-d671","status":"publish","type":"post","link":"https:\/\/seanxd.com\/zh\/zerojudge-d671\/","title":{"rendered":"ZeroJudge D671: Digital Fortress"},"content":{"rendered":"\n\n\n

\u540c\u984c\uff1aUVa 11716 – Digital Fortress<\/h4>\n\n\n\n

\u4e0a\u4e00\u5c46\u7684 IIUPC \u6709\u4e00\u984c\u300c\u9054\u6587\u897f\u5bc6\u78bc\u300d\u662f\u4ee5\u4e39\u5e03\u6717\u7684\u66a2\u92b7\u66f8\u300c\u9054\u6587\u897f\u5bc6\u78bc\u300d\u70ba\u6545\u4e8b\u80cc\u666f\u3002\u9019\u4e00\u984c\u5247\u662f\u4ee5\u79d1\u6280\u9a5a\u609a\u5c0f\u8aaa\u300c\u6578\u4f4d\u5821\u58d8\u300d\u70ba\u80cc\u666f\u3002\u984c\u76ee\u7d66\u4f60\u4e00\u500b\u5bc6\u6587\uff0c\u4f60\u8981\u7528\u4e0b\u8ff0\u7684\u89e3\u78bc\u65b9\u5f0f\u4f86\u89e3\u78bc\u3002<\/p>\n\n\n\n

\u6bd4\u5982\u8aaa\uff0c\u5982\u679c\u5bc6\u6587\u5982\u4e0b\uff1a
WECGEWHYAAIORTNU
\u8f38\u51fa\u5247\u662f\uff1a
WEAREWATCHINGYOU<\/p>\n\n\n\n

\u4e0a\u4f8b\u4e2d\u6240\u7d66\u7684\u5bc6\u6587\u300cWECGEWHYAAIORTNU\u300d\u6709 16 \u500b\u5b57\u5143\uff0c\u4e5f\u5c31\u662f 4 \u7684\u5e73\u65b9<\/strong>\u3002\u8acb\u628a\u9019\u4e9b\u5b57\u5143\u4ee5\u300c\u5217\u512a\u5148\u300d(row major\uff0c\u7b2c\u4e00\u5217\u653e\u6eff\u5f8c\u518d\u653e\u7b2c\u4e8c\u5217\uff0c\u518d\u7b2c\u4e09\u5217\u2026\u2026) \u7684\u65b9\u5f0f\u7f6e\u5165\u4e00\u500b N\uff0aN (\u672c\u4f8b\u70ba 4\uff0a4) \u7684\u683c\u5b50\u3002\u672c\u4f8b\u5bc6\u6587\u653e\u7f6e\u5b8c\u6210\u5f8c\u7684\u683c\u5b50\u5982\u4e0b\uff1a
W E C G
E W H Y
A A I O
R T N U<\/p>\n\n\n\n

\u7576\u6211\u5011\u4ee5\u300c\u884c\u512a\u5148\u300d(column major\uff0c\u53d6\u5b8c\u7b2c\u4e00\u884c\u518d\u53d6\u7b2c\u4e8c\u884c\uff0c\u7136\u5f8c\u7b2c\u4e09\u884c) \u7684\u65b9\u5f0f\u5c07\u4e0a\u9762\u683c\u5b50\u7684\u5b57\u5143\u53d6\u51fa\u4fbf\u53ef\u4ee5\u5f97\u5230\u4ee5\u4e0b\u7684\u660e\u6587\uff1a
\u300cWEAREWATCHINGYOU\u300d<\/p>\n\n\n\n

\u7bc4\u4f8b\u6e2c\u8cc7<\/h2>\n\n\n\n
\u7bc4\u4f8b\u8f38\u5165<\/th>\u7bc4\u4f8b\u8f38\u51fa<\/th><\/tr><\/thead>
\u8f38\u5165\u7684\u7b2c\u4e00\u884c\u6709\u4e00\u500b\u6578\u5b57 T\uff0c\u63a5\u8457\u6709 T \u7b46\u6e2c\u8cc7\uff0c\u6bcf\u7b46\u6e2c\u8cc7\u4e00\u884c\uff0c\u8a72\u884c\u4fbf\u662f\u8981\u8655\u7406\u7684\u5bc6\u6587\u3002\u5bc6\u6587\u50c5\u5305\u542b\u5927\u5beb\u5b57\u6bcd\u53ca\u7a7a\u767d\u3002\u5bc6\u6587\u7684\u7e3d\u5b57\u5143\u6578\u4e0d\u6703\u8d85\u904e 10,000\u3002<\/td>\u76f8\u5c0d\u65bc\u6bcf\u7b46\u6e2c\u8cc7\uff0c\u8acb\u5c07\u660e\u6587\u8f38\u51fa\u65bc\u4e00\u884c\u3002\u82e5\u8f38\u5165\u7684\u5b57\u5143\u6578\u4e0d\u662f\u5b8c\u5168\u5e73\u65b9\u6578\uff0c\u8acb\u8f38\u51fa\u300cINVALID\u300d\u3002<\/strong><\/td><\/tr>
3
WECGEWHYAAIORTNU
DAVINCICODE
DTFRIAOEGLRSI TS<\/td>		WEAREWATCHINGYOU
INVALID
DIGITAL FORTRESS<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u89e3\u984c\u601d\u8def<\/h2>\n\n\n\n

\u6e2c\u8cc7\u4e2d\u6703\u6709\u5305\u542b\u7a7a\u767d\u5b57\u5143\u7684\u5b57\u4e32\uff0c\u6240\u4ee5\u5728\u6536\u5b8c T \u4e4b\u5f8c\u8981\u4f7f\u7528 cin.ignore() \u624d\u80fd\u4f7f\u7528 getline\u3002<\/p>\n\n\n\n

\u53ef\u4ee5\u5148\u5224\u65b7\u5b57\u4e32\u7684\u9577\u5ea6\u662f\u5426\u70ba\u5b8c\u5168\u5e73\u65b9\u6578\uff0c\u5982\u679c pow(sqrt(\u5b57\u4e32\u9577\u5ea6), 2)\uff0c\u4e5f\u5c31\u662f\u5b57\u4e32\u9577\u5ea6\u6839\u865f\u7684\u5e73\u65b9\uff0c\u70ba\u5b57\u4e32\u9577\u5ea6\u7684\u8a71\uff0c\u5c31\u4ee3\u8868\u5b57\u4e32\u9577\u5ea6\u70ba\u5b8c\u5168\u5e73\u65b9\u6578\u3002<\/p>\n\n\n\n

\u53ef\u4ee5\u5ba3\u544a\u4e00\u500b Vector<string> \u4f86\u5b58\u8655\u7406\u5f8c\u7684\u5b57\u4e32\uff0c\u4e26\u4e14\u5ba3\u544a\u4e00\u500b\u8b8a\u6578 square \u70ba\u5b57\u4e32\u9577\u5ea6\u7684\u6839\u865f\u3002\u8dd1\u5169\u5c64 square \u7684 For\u8ff4\u5708\uff0c\u4e26\u4e14\u9810\u8a2d\u4e00\u500b count \u8b8a\u6578\u70ba 0\uff0c\u6bcf\u6b21\u5c07 \u5b57\u4e32[count] \u52a0\u5230\u4e00\u500b\u66ab\u5b58\u5b57\u4e32\uff0c\u4e26\u4e14\u5c07 count++\uff0c\u6bcf\u7576\u5167\u5c64 For\u8ff4\u5708 \u7d50\u675f\u6642\u5c31\u5c07\u66ab\u5b58\u5b57\u4e32 Push_Back \u5230 Vector<string> \u4e2d\u3002<\/p>\n\n\n\n

\u8f38\u51fa\u6642\u4e00\u6a23\u8981\u8dd1\u5169\u5c64 square \u7684 For\u8ff4\u5708\uff0c\u9019\u908a\u7c21\u7a31\u7b2c\u4e00\u5c64\u70ba j \u8ff4\u5708\uff0c\u7b2c\u4e8c\u5c64\u70ba k \u8ff4\u5708\uff0c\u6bcf\u6b21\u5728 k \u8ff4\u5708\u4e2d\u8f38\u51fa Vector<string> \u7684 [k][j]\u3002\u7b2c\u4e00\u5c64\u8ff4\u5708\u7d50\u675f\u4e4b\u5f8c\u63db\u884c\u5c31\u7d50\u675f\u4e86\u3002<\/p>\n\n\n\n

\u7bc4\u4f8b\u7a0b\u5f0f\u78bc\uff0dZeroJudge D671: Digital Fortress<\/a><\/h3>\n\n\n\n
#include <iostream>\n#include <math.h>\n#include <vector>\nusing namespace std;\n\nint main() {\n    cin.sync_with_stdio(0);\n    cin.tie(0);\n    int N;\n    cin >> N;\n    cin.ignore();\n    for (int i = 0; i<N; i++) {\n        string str;\n        getline(cin, str);\n        const int len = int(str.length()), square = int(sqrt(len));\n        if (pow(square, 2) != len) {\n            cout << "INVALID\\n";\n            continue;\n        }\n        vector<string>v;\n        int count = 0;\n        for (int j = 0; j<square; j++) {\n            string tmp = "";\n            for (int k = 0; k<square; k++) {\n                tmp += str[count];\n                count++;\n            }\n            v.push_back(tmp);\n        }\n        for (int j = 0; j<square; j++) {\n            for(int k = 0; k<square; k++) cout << v[k][j];\n        }\n        cout << "\\n";\n    }\n}\n\n\/\/ZeroJudge D671\n\/\/Dr. SeanXD<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"
\u540c\u984c\uff1aUVa 11716 – Digital Fortress \u4e0a\u4e00\u5c46\u7684 IIUPC \u6709\u4e00\u984c\u300c\u9054\u6587 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[18],"tags":[20,8,11,13,9],"class_list":["post-778","post","type-post","status-publish","format-standard","hentry","category-uva","tag-20","tag-8","tag-11","tag-13","tag-9"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts\/778","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/comments?post=778"}],"version-history":[{"count":2,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts\/778\/revisions"}],"predecessor-version":[{"id":993,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts\/778\/revisions\/993"}],"wp:attachment":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/media?parent=778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/categories?post=778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/tags?post=778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}