{"id":2610,"date":"2017-07-06T23:38:55","date_gmt":"2017-07-06T20:38:55","guid":{"rendered":"http:\/\/java.mazurok.com\/?p=2610"},"modified":"2017-12-26T01:15:00","modified_gmt":"2017-12-25T22:15:00","slug":"%d0%ba%d0%bc259%d0%b1-%d0%ba%d0%b2%d0%b0%d1%80%d1%82%d0%b5%d1%82%d1%8b-%d0%b8%d0%b7-%d0%ba%d0%bb%d0%b5%d1%82%d0%be%d0%ba","status":"publish","type":"post","link":"https:\/\/java.mazurok.com\/?p=2610","title":{"rendered":"\u041a\u041c259(\u0431). \u041a\u0432\u0430\u0440\u0442\u0435\u0442\u044b \u0438\u0437 \u043a\u043b\u0435\u0442\u043e\u043a"},"content":{"rendered":"

\u0417\u0430\u0434\u0430\u0447\u0430<\/h2>\n

\u041d\u0430\u0437\u043e\u0432\u0435\u043c \u043a\u0432\u0430\u0440\u0442\u0435\u0442\u043e\u043c \u0447\u0435\u0442\u0432\u0435\u0440\u043a\u0443 \u043a\u043b\u0435\u0442\u043e\u043a \u043d\u0430 \u043a\u043b\u0435\u0442\u0447\u0430\u0442\u043e\u0439 \u0431\u0443\u043c\u0430\u0433\u0435, \u0446\u0435\u043d\u0442\u0440\u044b \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043b\u0435\u0436\u0430\u0442 \u0432 \u0432\u0435\u0440\u0448\u0438\u043d\u0430\u0445 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430 \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u0430\u043c\u0438, \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u043c\u0438 \u043b\u0438\u043d\u0438\u044f\u043c \u0441\u0435\u0442\u043a\u0438. \u041a\u0430\u043a\u043e\u0435 \u043d\u0430\u0438\u0431\u043e\u043b\u044c\u0448\u0435\u0435 \u0447\u0438\u0441\u043b\u043e \u043a\u0432\u0430\u0440\u0442\u0435\u0442\u043e\u0432, \u043d\u0435 \u0438\u043c\u0435\u044e\u0449\u0438\u0445 \u043e\u0431\u0449\u0438\u0445 \u043a\u043b\u0435\u0442\u043e\u043a, \u043c\u043e\u0436\u043d\u043e \u0440\u0430\u0437\u043c\u0435\u0441\u0442\u0438\u0442\u044c \u043d\u0430 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0435 [latex]mn[\/latex]\u00a0\u043a\u043b\u0435\u0442\u043e\u043a?<\/p>\n

\u0412\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435<\/h2>\n[latex]m, n[\/latex]\n

\u0412\u044b\u0432\u043e\u0434<\/h2>\n[latex]x[\/latex]\u00a0-\u043a\u043e\u043b-\u0432\u043e \u043a\u0432\u0430\u0440\u0442\u0435\u0442\u043e\u0432.<\/p>\n

\u0422\u0435\u0441\u0442\u044b<\/h2>\n\n\n\n\n\n\n\n
m<\/td>\nn<\/td>\nx<\/td>\n<\/tr>\n
8<\/td>\n6<\/td>\n12<\/td>\n<\/tr>\n
16<\/td>\n7<\/td>\n24<\/td>\n<\/tr>\n
17<\/td>\n8<\/td>\n29.75<\/td>\n<\/tr>\n
15<\/td>\n11<\/td>\n37<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u041a\u043e\u0434<\/h2>\n
import java.util.*;\r\nimport java.lang.*;\r\nimport java.io.*;\r\n\r\nclass Ideone {\r\n    public static void main(String[] args) throws java.lang.Exception {\r\n        Scanner in = new Scanner(System.in);\r\n        int m = in .nextInt();\r\n        int n = in .nextInt();\r\n        boolean meven = m % 2 == 0 ? true : false;\r\n        boolean neven = n % 2 == 0 ? true : false;\r\n        double x;\r\n\r\n        if (meven && neven) {\r\n            x = m * n \/ 4;\r\n        } else if (meven && !neven) {\r\n            x = m * (n - 1) \/ 4;\r\n        } else if (!meven && neven) {\r\n            x = n * (m - 1) \/ 4;\r\n        } else {\r\n            if (n > m) {\r\n                int tmp = n;\r\n                n = m;\r\n                m = tmp;\r\n            }\r\n            if ((n - 1) % 4 == 0) {\r\n                x = m * (n - 1) \/ 4;\r\n            } else {\r\n                x = (m * (n - 1) - 2) \/ 4;\r\n            }\r\n        }\r\n        System.out.println(x);\r\n    }\r\n}<\/pre>\n
 <\/p>\n
\u0420\u0435\u0448\u0435\u043d\u0438\u0435<\/h2>\n
\u0415\u0441\u043b\u0438 [latex]m[\/latex]\u00a0\u0438 [latex]n[\/latex]\u00a0\u0447\u0435\u0442\u043d\u044b\u0435 \u0442\u043e \u043d\u0430 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0435 [latex]mn[\/latex] \u043c\u043e\u0436\u043d\u043e \u0440\u0430\u0437\u043c\u0435\u0441\u0442\u0438\u0442\u044c\u00a0[latex]\\frac{mn}{4}[\/latex] \u043a\u0432\u0430\u0440\u0442\u0435\u0442\u043e\u0432. \u0415\u0441\u043b\u0438 [latex]m[\/latex]\u00a0\u0447\u0435\u0442\u043d\u043e\u0435, \u0430 [latex]n[\/latex]\u00a0\u043d\u0435\u0447\u0435\u0442\u043d\u043e\u0435 (\u0438 \u043d\u0430\u043e\u0431\u043e\u0440\u043e\u0442), \u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0440\u0430\u0437\u043c\u0435\u0441\u0442\u0438\u0442\u044c [latex]m(n-1)[\/latex].\u00a0\u0418 \u043d\u0430\u043a\u043e\u043d\u0435\u0446 \u0435\u0441\u043b\u0438 [latex]m[\/latex]\u00a0\u0438 [latex]n[\/latex]\u00a0—\u00a0\u043d\u0435\u0447\u0435\u0442\u043d\u044b\u0435, \u0442\u043e \u043d\u0443\u0436\u043d\u043e \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0442\u044c \u0434\u0432\u0430 \u0441\u043b\u0443\u0447\u0430\u044f:<\/p>\n
    \n
  1. \u00a0[latex]n = 4k + 1[\/latex], \u0432 \u044d\u0442\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0443 \u043d\u0430\u0441 \u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u0442\u0430\u043a\u0430\u044f: [latex]\\frac{m(n-1)}{4}[\/latex]<\/li>\n
  2. \u0418\u043d\u0430\u0447\u0435, \u0443 \u043d\u0430\u0441 \u0434\u0440\u0443\u0433\u0430\u044f \u0444\u043e\u0440\u043c\u0443\u043b\u0430: [latex]\\frac{ \\left(m(n-1)-2\\right)}{4}[\/latex]<\/li>\n<\/ol>\n
    \u0421\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0432 ideone<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u0417\u0430\u0434\u0430\u0447\u0430 \u041d\u0430\u0437\u043e\u0432\u0435\u043c \u043a\u0432\u0430\u0440\u0442\u0435\u0442\u043e\u043c \u0447\u0435\u0442\u0432\u0435\u0440\u043a\u0443 \u043a\u043b\u0435\u0442\u043e\u043a \u043d\u0430 \u043a\u043b\u0435\u0442\u0447\u0430\u0442\u043e\u0439 \u0431\u0443\u043c\u0430\u0433\u0435, \u0446\u0435\u043d\u0442\u0440\u044b \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043b\u0435\u0436\u0430\u0442 \u0432 \u0432\u0435\u0440\u0448\u0438\u043d\u0430\u0445 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430 \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u0430\u043c\u0438, \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u043c\u0438 \u043b\u0438\u043d\u0438\u044f\u043c \u0441\u0435\u0442\u043a\u0438. \u041a\u0430\u043a\u043e\u0435 \u043d\u0430\u0438\u0431\u043e\u043b\u044c\u0448\u0435\u0435 \u0447\u0438\u0441\u043b\u043e \u043a\u0432\u0430\u0440\u0442\u0435\u0442\u043e\u0432, \u043d\u0435 \u0438\u043c\u0435\u044e\u0449\u0438\u0445 \u043e\u0431\u0449\u0438\u0445 \u043a\u043b\u0435\u0442\u043e\u043a, \u043c\u043e\u0436\u043d\u043e \u0440\u0430\u0437\u043c\u0435\u0441\u0442\u0438\u0442\u044c \u043d\u0430 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0435 [latex]mn[\/latex]\u00a0\u043a\u043b\u0435\u0442\u043e\u043a? \u0412\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 [latex]m, n[\/latex] \u0412\u044b\u0432\u043e\u0434 [latex]x[\/latex]\u00a0-\u043a\u043e\u043b-\u0432\u043e \u043a\u0432\u0430\u0440\u0442\u0435\u0442\u043e\u0432. \u0422\u0435\u0441\u0442\u044b m n x 8 6 12 16 7 24 17 8 29.75 15 11 37 … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":102,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[242,346,347,351],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/2610"}],"collection":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/users\/102"}],"replies":[{"embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2610"}],"version-history":[{"count":26,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/2610\/revisions"}],"predecessor-version":[{"id":3480,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/2610\/revisions\/3480"}],"wp:attachment":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}