{"id":5208,"date":"2020-09-20T12:10:57","date_gmt":"2020-09-20T09:10:57","guid":{"rendered":"http:\/\/java.mazurok.com\/?p=5208"},"modified":"2020-11-25T12:14:55","modified_gmt":"2020-11-25T09:14:55","slug":"e-olimp-7848-%d0%bf%d0%b5%d1%80%d0%b5%d1%81%d1%82%d0%b0%d0%b2%d0%b8%d1%82%d1%8c-%d1%81%d0%be%d1%81%d0%b5%d0%b4%d0%bd%d0%b8%d0%b5","status":"publish","type":"post","link":"https:\/\/java.mazurok.com\/?p=5208","title":{"rendered":"e-olimp 7848. \u041f\u0435\u0440\u0435\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0441\u043e\u0441\u0435\u0434\u043d\u0438\u0435"},"content":{"rendered":"

\u0417\u0430\u0434\u0430\u0447\u0430<\/h1>\n

\u0417\u0430\u0434\u0430\u043d \u043c\u0430\u0441\u0441\u0438\u0432 \u0438\u0437 $n$ \u0446\u0435\u043b\u044b\u0445 \u0447\u0438\u0441\u0435\u043b. \u041f\u0435\u0440\u0435\u0441\u0442\u0430\u0432\u044c\u0442\u0435 \u0441\u043e\u0441\u0435\u0434\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u043c\u0430\u0441\u0441\u0438\u0432\u0430 ($a_{0}$ \u0441 $a_{1}$, $a_{2}$ \u0441 $a_{3}$ \u0438 \u0442\u0430\u043a \u0434\u0430\u043b\u0435\u0435). \u0415\u0441\u043b\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u043d\u0435\u0447\u0435\u0442\u043d\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e, \u0442\u043e \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043d\u0430 \u0441\u0432\u043e\u0435\u043c \u043c\u0435\u0441\u0442\u0435.<\/p>\n

\u0412\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435<\/h1>\n

\u0412 \u043f\u0435\u0440\u0432\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0435 \u0437\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0447\u0438\u0441\u043b\u043e $n$. \u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0439 \u0441\u0442\u0440\u043e\u043a\u0435 \u0437\u0430\u043f\u0438\u0441\u0430\u043d\u043e $n$ \u0446\u0435\u043b\u044b\u0445 \u0447\u0438\u0441\u0435\u043b. \u0412\u0441\u0435 \u0447\u0438\u0441\u043b\u0430 \u043f\u043e \u043c\u043e\u0434\u0443\u043b\u044e \u043d\u0435 \u043f\u0440\u0435\u0432\u044b\u0448\u0430\u044e\u0442 $100$.<\/p>\n

\u0412\u044b\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435<\/h1>\n

\u0412\u044b\u0432\u0435\u0441\u0442\u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0439 \u043c\u0430\u0441\u0441\u0438\u0432.<\/p>\n

\u0422\u0435\u0441\u0442\u044b<\/h1>\n\n\n\n\n\n\n\n\n
\u0412\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435<\/th>\n\u0412\u044b\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435<\/th>\n<\/tr>\n
7
\n3 5 -7 7 5 -9 -4<\/td>\n		5 3 7 -7 -9 5 -4<\/td>\n<\/tr>\n
8
\n-9 81 27 -38 2 6 -56 -21<\/td>\n		81 -9 -38 27 6 2 -21 -56<\/td>\n<\/tr>\n
2
\n25 -76<\/td>\n		-76 25<\/td>\n<\/tr>\n
3
\n55 44 33<\/td>\n		44 55 33<\/td>\n<\/tr>\n
1
\n99<\/td>\n		99<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u041a\u043e\u0434<\/h1>\n
class Main{\r\n\tpublic static void main (String[] args) throws java.lang.Exception \t{\r\n\t\tjava.util.Scanner i = new java.util.Scanner(System.in);\r\n\t\tint n = i.nextInt();\r\n\t\tint arr[] = new int[n];\r\n\t\tfor(int k = 0; k < n; k++){\r\n        \tarr[k] = i.nextInt();\r\n\t\t} \r\n    \tfor(int k = 1; k < n; k+=2){\r\n        \tint q = arr[k];\r\n        \tarr[k] = arr[k-1];\r\n        \tarr[k-1] = q;\r\n\t\t}\r\n\t\tfor(int k = 0; k < n; k++){\r\n    \t\tSystem.out.print(arr[k] + " ");\r\n\t\t}\r\n\t}\r\n}\r\n<\/pre>\n
\u0420\u0435\u0448\u0435\u043d\u0438\u0435<\/h1>\n
\u0411\u0443\u0434\u0435\u043c \u043f\u0435\u0440\u0435\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c \u0441\u043e\u0441\u0435\u0434\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u043c\u0430\u0441\u0441\u0438\u0432\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c: arr<\/span>[<\/span>1<\/span>]<\/span><\/span><\/span> \u0441 arr<\/span>[<\/span>0<\/span>]<\/span><\/span><\/span>, arr<\/span>[<\/span>3<\/span>]<\/span><\/span><\/span> \u0441 arr<\/span>[<\/span>2<\/span>]<\/span><\/span><\/span> \u0438 \u0442\u0430\u043a \u0434\u0430\u043b\u0435\u0435 \u0434\u043e \u043a\u043e\u043d\u0446\u0430 \u043c\u0430\u0441\u0441\u0438\u0432\u0430 (\u0442.\u0435. \u043a\u0430\u0436\u0434\u044b\u0439 \u043d\u0435\u0447\u0435\u0442\u043d\u044b\u0439 \u043f\u043e \u0441\u0447\u0435\u0442\u0443 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u043c\u0435\u043d\u044f\u0435\u043c \u043c\u0435\u0441\u0442\u0430\u043c\u0438 \u0441 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0438\u043c). \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u043d\u043e \u043d\u0435\u0432\u0430\u0436\u043d\u043e, \u0447\u0435\u0442\u043d\u043e\u0435 \u043a\u043e\u043b-\u0432\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0438\u043b\u0438 \u043d\u0435\u0447\u0435\u0442\u043d\u043e\u0435.<\/p>\n
\u0421\u0441\u044b\u043b\u043a\u0438<\/h1>\n
\u0423\u0441\u043b\u043e\u0432\u0438\u0435 \u0437\u0430\u0434\u0430\u0447\u0438 \u043d\u0430  E-Olymp<\/a>
\n\u041a\u043e\u0434 \u0437\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 Ideone<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u0417\u0430\u0434\u0430\u0447\u0430 \u0417\u0430\u0434\u0430\u043d \u043c\u0430\u0441\u0441\u0438\u0432 \u0438\u0437 $n$ \u0446\u0435\u043b\u044b\u0445 \u0447\u0438\u0441\u0435\u043b. \u041f\u0435\u0440\u0435\u0441\u0442\u0430\u0432\u044c\u0442\u0435 \u0441\u043e\u0441\u0435\u0434\u043d\u0438\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u043c\u0430\u0441\u0441\u0438\u0432\u0430 ($a_{0}$ \u0441 $a_{1}$, $a_{2}$ \u0441 $a_{3}$ \u0438 \u0442\u0430\u043a \u0434\u0430\u043b\u0435\u0435). \u0415\u0441\u043b\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u043d\u0435\u0447\u0435\u0442\u043d\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e, \u0442\u043e \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043d\u0430 \u0441\u0432\u043e\u0435\u043c \u043c\u0435\u0441\u0442\u0435. \u0412\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u0412 \u043f\u0435\u0440\u0432\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0435 \u0437\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0447\u0438\u0441\u043b\u043e $n$. \u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0439 \u0441\u0442\u0440\u043e\u043a\u0435 \u0437\u0430\u043f\u0438\u0441\u0430\u043d\u043e $n$ \u0446\u0435\u043b\u044b\u0445 \u0447\u0438\u0441\u0435\u043b. \u0412\u0441\u0435 \u0447\u0438\u0441\u043b\u0430 \u043f\u043e \u043c\u043e\u0434\u0443\u043b\u044e \u043d\u0435 \u043f\u0440\u0435\u0432\u044b\u0448\u0430\u044e\u0442 $100$. \u0412\u044b\u0445\u043e\u0434\u043d\u044b\u0435 … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":152,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,25],"tags":[135,75],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/5208"}],"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\/152"}],"replies":[{"embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5208"}],"version-history":[{"count":1,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/5208\/revisions"}],"predecessor-version":[{"id":5209,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/5208\/revisions\/5209"}],"wp:attachment":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}