{"id":4612,"date":"2018-12-27T20:31:03","date_gmt":"2018-12-27T17:31:03","guid":{"rendered":"http:\/\/java.mazurok.com\/?p=4612"},"modified":"2018-12-27T23:25:30","modified_gmt":"2018-12-27T20:25:30","slug":"e-olymp-47-%d0%bf%d0%b0%d1%80%d0%ba%d0%b5%d1%82-%d0%b8%d0%b7-%d1%82%d1%80%d0%b5%d1%83%d0%b3%d0%be%d0%bb%d1%8c%d0%bd%d0%b8%d0%ba%d0%be%d0%b2","status":"publish","type":"post","link":"https:\/\/java.mazurok.com\/?p=4612","title":{"rendered":"e-olymp 47. \u041f\u0430\u0440\u043a\u0435\u0442 \u0438\u0437 \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u043e\u0432"},"content":{"rendered":"<h1>\u0417\u0430\u0434\u0430\u0447\u0430<\/h1>\n<p>\u041f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0443\u044e \u043a\u043e\u043c\u043d\u0430\u0442\u0443 \u0440\u0430\u0437\u043c\u0435\u0440\u0430\u043c\u0438 [latex] m [\/latex] \u043d\u0430 [latex] n [\/latex]  (\u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u043e \u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u0438, \u0430 \u043f\u043e\u0442\u043e\u043c \u043f\u043e \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u0438) \u0437\u0430\u043c\u043e\u0441\u0442\u0438\u043b\u0438 \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u044b\u043c\u0438 \u043f\u043b\u0438\u0442\u043a\u0430\u043c\u0438 \u0438 \u0438\u0445 \u043f\u0440\u043e\u043d\u0443\u043c\u0435\u0440\u043e\u0432\u0430\u043b\u0438, \u043a\u0430\u043a \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u043d\u0430 \u0440\u0438\u0441\u0443\u043d\u043a\u0435.<\/p>\n<p><a href=\"http:\/\/java.mazurok.com\/wp-content\/uploads\/\u041f\u0430\u0440\u043a\u0435\u0442.svg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/java.mazurok.com\/wp-content\/uploads\/\u041f\u0430\u0440\u043a\u0435\u0442.svg\" alt=\"\" width=\"300\" height=\"300\" class=\"alignnone size-medium wp-image-4616\" role=\"img\" \/><\/a><\/p>\n<p>\u0417\u0430 \u043e\u0434\u0438\u043d \u0448\u0430\u0433 \u043c\u043e\u0436\u043d\u043e \u043f\u0435\u0440\u0435\u043c\u0435\u0441\u0442\u0438\u0442\u044c\u0441\u044f \u0441 \u043e\u0434\u043d\u043e\u0439 \u043f\u0430\u0440\u043a\u0435\u0442\u0438\u043d\u044b \u043d\u0430 \u0434\u0440\u0443\u0433\u0443\u044e \u0442\u043e\u043b\u044c\u043a\u043e \u0447\u0435\u0440\u0435\u0437 \u043e\u0431\u0449\u0443\u044e \u0441\u0442\u043e\u0440\u043e\u043d\u0443. \u041d\u0430\u0439\u0442\u0438 \u043d\u0430\u0438\u043c\u0435\u043d\u044c\u0448\u0435\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0448\u0430\u0433\u043e\u0432, \u043d\u0443\u0436\u043d\u044b\u0445 \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u0441 \u043f\u0430\u0440\u043a\u0435\u0442\u0438\u043d\u044b [latex] a [\/latex] \u043d\u0430 \u043f\u0430\u0440\u043a\u0435\u0442\u0438\u043d\u0443 [latex] b [\/latex].<\/p>\n<h1>\u0412\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435<\/h1>\n<p>\u0412\u043e \u0432\u0445\u043e\u0434\u043d\u043e\u043c \u0444\u0430\u0439\u043b\u0435 \u0432 \u043f\u0435\u0440\u0432\u043e\u0439 \u0441\u0440\u043e\u043a\u0435 \u0447\u0435\u0440\u0435\u0437 \u043f\u0440\u043e\u0431\u0435\u043b \u0437\u0430\u0434\u0430\u043d\u044b \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f [latex]m[\/latex], [latex]n[\/latex] [latex]\\left ( 1\\leqslant n,m\\leqslant 100 \\right )[\/latex], \u0430 \u0432\u043e \u0432\u0442\u043e\u0440\u043e\u0439 &#8212; [latex] a [\/latex] \u0438 [latex] b [\/latex].<\/p>\n<h1>\u0412\u044b\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435<\/h1>\n<p>\u0418\u0441\u043a\u043e\u043c\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0448\u0430\u0433\u043e\u0432<\/p>\n<h1>\u0422\u0435\u0441\u0442\u044b<\/h1>\n<table>\n<tbody>\n<tr>\n<th>#<\/th>\n<th>\u0412\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435<\/th>\n<th>\u0412\u044b\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435<\/th>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>5 4 25 38<\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>5 4 6 22<\/td>\n<td>4<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>5 4 15 22<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>3 2 1 12<\/td>\n<td>7<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>5 4 15 22<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>3 2 6 12<\/td>\n<td>2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1>\u041a\u043e\u0434 1<\/h1>\n<pre class=\"lang:java decode:true \">\r\nimport java.util.*;\r\nimport java.lang.*;\r\nimport java.io.*;\r\n\r\n\r\nclass Main\r\n{\r\n\tpublic static void swap(int A, int B) {\r\n\t\tint C = A;\r\n\t\tA = B;\r\n\t\tB = C;\r\n\t}\r\n\tpublic static void main (String[] args) throws java.lang.Exception\r\n\t{\r\n\t\tint vertSize;\r\n\t\tint horSize;\r\n    \tint firstNumber;\r\n    \tint lastNumber;\r\n    \tScanner in = new Scanner(System.in);\r\n    \thorSize = in.nextInt();\r\n\t\tvertSize = in.nextInt();\r\n\t\tfirstNumber = in.nextInt();\r\n\t\tlastNumber= in.nextInt();\r\n    \tif (firstNumber &gt; lastNumber){\r\n    \t\tint C = firstNumber;\r\n\t\t\tfirstNumber = lastNumber;\r\n\t\t\tlastNumber = C;\r\n    \t} \r\n    \/\/\u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0435 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\r\n    \tint firstNumberx = (firstNumber - 1) % (2 * horSize) + 1;\r\n    \tint firstNumbery = (firstNumber - 1) \/ (2 * horSize) + 1;\r\n    \tint lastNumberx = (lastNumber - 1) % (2 * horSize) + 1;\r\n    \tint lastNumbery = (lastNumber - 1) \/ (2 * horSize) + 1;\r\n    \/\/\u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0438 \u0437\u0430\u0434\u0430\u043d\u0438\u0435 \u0440\u0430\u0437\u043c\u0435\u0440\u0430 \u0434\u043b\u044f \u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043c\u0430\u0441\u0441\u0438\u0432\u0430\r\n    \tint[] Search= new int[2 * horSize];\r\n    \tSearch[firstNumberx - 1] = 0;\r\n    \tint step = 1;\r\n    \tfor (int i = firstNumberx - 2; i &gt;= 0; i--){\r\n        \tSearch[i] = step++;\r\n    \t}\r\n    \tstep = 1;\r\n    \tfor (int i = firstNumberx; i &lt; 2 * horSize; i++){\r\n        \tSearch[i] = step++;\r\n    \t}\r\n    \t\/\/\u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u043f\u043e \u0443\r\n    \tfor (int j = firstNumbery; j &lt; lastNumbery; j++) {\r\n        \tfor (int i = 1; i &lt; 2 * horSize; i += 2) {\r\n            \tSearch[i - 1] = Search[i] + 1;\r\n            \tSearch[i] += 2;\r\n            \/\/\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043d\u0430 \u043f\u0440\u0435\u0434\u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u043c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0435\r\n            \tif (((i - 2) &gt;= 0) &amp;&amp; (Search[i]&lt;Search[i - 2])){\r\n                \tSearch[i - 2] = Search[i];\r\n            \t}\r\n        \t}\r\n    \t}\r\n    System.out.println(Search[lastNumberx - 1]);\r\n\t}\r\n}<\/pre>\n<p>\u0414\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043d\u0430\u0448 \u043a\u043e\u0434 \u0431\u044b\u043b \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u0435\u043d \u0434\u043b\u044f \u0441\u043b\u0443\u0447\u0430\u044f [latex]firstNumber &gt; lastNumber[\/latex] \u0438 [latex]firstNumber &lt; lastNumber[\/latex]  \u043c\u044b \u043c\u0435\u043d\u044f\u0435\u043c \u043c\u0435\u0441\u0442\u0430\u043c\u0438 [latex]firstNumber [\/latex] \u0438 [latex]lastNumber[\/latex]. \u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u0448\u0430\u0433\u043e\u043c \u0431\u0443\u0434\u0435\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u043e\u0437\u0438\u0446\u0438\u0438 [latex]firstNumber [\/latex] \u0438 [latex]lastNumber[\/latex]. \u041f\u043e\u043b\u043e\u0436\u0438\u043c, \u0447\u0442\u043e [latex]x[\/latex] \u2014 \u044d\u0442\u043e \u043f\u043e\u0437\u0438\u0446\u0438\u044f \u0432 \u0441\u0442\u0440\u043e\u043a\u0435, \u0430 [latex]y[\/latex] &#8212;  \u0441\u0442\u043e\u043b\u0431\u0446\u0435. \u0423\u0434\u043e\u0431\u043d\u0435\u0435 \u0432\u0441\u0435\u0433\u043e \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0432 \u043c\u0430\u0441\u0441\u0438\u0432\u0435, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043c\u044b \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u043c\u0430\u0441\u0441\u0438\u0432, \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0431\u0443\u0434\u0435\u0442 \u0438\u043c\u0435\u0442\u044c \u0442\u0438\u043f [latex]int[\/latex] , \u0430 \u0440\u0430\u0437\u043c\u0435\u0440 \u0431\u0443\u0434\u0435\u0442 \u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439. \u0414\u043b\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u0448\u0430\u0433\u043e\u0432 \u0437\u0430\u0432\u0435\u0434\u0435\u043c \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u0441 \u0442\u0438\u043f\u043e\u043c [latex]int[\/latex].<br \/>\n\u0412\u0430\u0436\u043d\u043e \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c, \u0447\u0442\u043e \u0438\u0434\u0435\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u043f\u043e\u0441\u043e\u0431\u0430 \u0441\u043e\u0441\u0442\u043e\u0438\u0442 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e\u0431\u044b \u043d\u0430 \u043f\u043e\u0437\u0438\u0446\u0438\u0438 [latex]Search[firstNumberx &#8212; 1][\/latex] \u0441\u0442\u043e\u044f\u043b\u043e \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0448\u0430\u0433\u043e\u0432, \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u043d\u044b\u0445 \u0432 \u0445\u043e\u0434\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f.<\/p>\n<h1>\u041a\u043e\u0434 2<\/h1>\n<pre class=\"lang:java decode:true \">import java.util.*;\r\nimport java.lang.*;\r\nimport java.io.*;\r\n\r\nclass Main\r\n{\r\n\tpublic static void main (String[] args) throws java.lang.Exception\r\n\t{\r\n\t\tlong m, n, a, b;\r\n\t\tScanner in = new Scanner(System.in);\r\n\t\tm = in.nextLong();\r\n\t\tn = in.nextLong();\r\n\t\ta = in.nextLong();\r\n\t\tb = in.nextLong();\r\n    \tlong dm = ((a + 1)\/2 - 1) %m - ((b + 1)\/2 - 1) % m;\r\n    \tlong dn = (a - 1)\/(2 * m) - (b - 1)\/(2 * m);\r\n    \tlong o = dm * dn &lt; 0? Math.min(Math.abs(dm), Math.abs(dn)) : 0;\r\n    \tlong k = dm &gt; 0? 1: -1;\r\n    \ta += 2*k*o*(m - 1);\r\n    \tSystem.out.print( ((a + b) % 2 == 0? 0: Math.max(a, b) % 2 == 0? 1: -1) + 2*(Math.abs(dm) + Math.abs(dn) - o));\r\n\r\n\t}\r\n}<\/pre>\n<h1>\u0421\u0441\u044b\u043b\u043a\u0438<\/h1>\n<p>\u0417\u0430\u0434\u0430\u0447\u0430 \u043d\u0430 <a href=\"https:\/\/www.e-olymp.com\/ru\/problems\/47\">e-olymp<\/a><\/p>\n<p>\u041a\u043e\u0434_1 \u0437\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 <a href=\"https:\/\/ideone.com\/Azk6Mi\">ideone<\/a><\/p>\n<p>\u041a\u043e\u0434_2 \u0437\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 <a href=\"https:\/\/ideone.com\/e3ZLYp\">ideone<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0417\u0430\u0434\u0430\u0447\u0430 \u041f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0443\u044e \u043a\u043e\u043c\u043d\u0430\u0442\u0443 \u0440\u0430\u0437\u043c\u0435\u0440\u0430\u043c\u0438 [latex] m [\/latex] \u043d\u0430 [latex] n [\/latex] (\u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u043e \u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u0438, \u0430 \u043f\u043e\u0442\u043e\u043c \u043f\u043e \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u0438) \u0437\u0430\u043c\u043e\u0441\u0442\u0438\u043b\u0438 \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u044b\u043c\u0438 \u043f\u043b\u0438\u0442\u043a\u0430\u043c\u0438 \u0438 \u0438\u0445 \u043f\u0440\u043e\u043d\u0443\u043c\u0435\u0440\u043e\u0432\u0430\u043b\u0438, \u043a\u0430\u043a \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u043d\u0430 \u0440\u0438\u0441\u0443\u043d\u043a\u0435. \u0417\u0430 \u043e\u0434\u0438\u043d \u0448\u0430\u0433 \u043c\u043e\u0436\u043d\u043e \u043f\u0435\u0440\u0435\u043c\u0435\u0441\u0442\u0438\u0442\u044c\u0441\u044f \u0441 \u043e\u0434\u043d\u043e\u0439 \u043f\u0430\u0440\u043a\u0435\u0442\u0438\u043d\u044b \u043d\u0430 \u0434\u0440\u0443\u0433\u0443\u044e \u0442\u043e\u043b\u044c\u043a\u043e \u0447\u0435\u0440\u0435\u0437 \u043e\u0431\u0449\u0443\u044e \u0441\u0442\u043e\u0440\u043e\u043d\u0443. \u041d\u0430\u0439\u0442\u0438 \u043d\u0430\u0438\u043c\u0435\u043d\u044c\u0448\u0435\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0448\u0430\u0433\u043e\u0432, \u043d\u0443\u0436\u043d\u044b\u0445 \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u0441 \u043f\u0430\u0440\u043a\u0435\u0442\u0438\u043d\u044b [latex] a [\/latex] \u043d\u0430 &hellip; <a href=\"https:\/\/java.mazurok.com\/?p=4612\" class=\"more-link\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":111,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,25,14],"tags":[653,654,86],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/4612"}],"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\/111"}],"replies":[{"embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4612"}],"version-history":[{"count":7,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/4612\/revisions"}],"predecessor-version":[{"id":4769,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=\/wp\/v2\/posts\/4612\/revisions\/4769"}],"wp:attachment":[{"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/java.mazurok.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}