{"id":294121,"date":"2019-09-01T21:00:05","date_gmt":"2019-09-01T21:00:05","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=294121"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=294121","title":{"rendered":"\u0413\u0435\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u044b (\u0438\u043b\u0438 \u041a\u043b\u0438\u0435\u043d\u0442 \u0432\u0441\u0435\u0433\u0434\u0430 \u043a\u043e\u0440\u043e\u043b\u044c \u2014 \u0438 \u0447\u0430\u0441\u0442\u043e \u0434\u0443\u0440\u0430\u043a)"},"content":{"rendered":"\n<div class=\"post__text post__text-html js-mediator-article\">\u041f\u0440\u0438\u0432\u0435\u0442, \u0425\u0430\u0431\u0440!<\/p>\n<p>  \u0421\u0435\u0439\u0447\u0430\u0441 \u0432\u043e\u0442 \u0441\u0438\u0434\u0435\u043b, \u0434\u0435\u043b\u0430\u043b \u0434\u043b\u044f \u0442\u043e\u0432\u0430\u0440\u0438\u0449\u0430 \u043f\u0440\u043e\u0442\u043e\u0442\u0438\u043f \u0433\u0435\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430. \u041d\u0430\u0432\u0435\u044f\u043b\u043e \u043f\u043e\u0434\u0435\u043b\u0438\u0442\u044c\u0441\u044f \u043e\u043d\u044b\u043c, \u0434\u0430 \u0438 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u043c\u0438 \u0434\u0440\u0443\u0433\u0438\u043c\u0438 \u043c\u044b\u0441\u043b\u044f\u043c\u0438\u2026<\/p>\n<p>  \u0414\u0430\u043d\u043e (\u043a\u043b\u0438\u0435\u043d\u0442 \u0437\u0430\u043a\u0430\u0437\u0430\u043b): \u0432 \u043d\u0435\u043a\u043e\u0435\u043c <s>\u0446\u0430\u0440\u0441\u0442\u0432\u0435<\/s> \u0441\u043a\u043b\u0430\u0434\u0435 \u0435\u0441\u0442\u044c 100 \u044f\u0447\u0435\u0435\u043a. \u0412 \u043d\u0435\u043c \u0442\u043e\u0432\u0430\u0440 \u043b\u0435\u0436\u0438\u0442. \u041a\u0430\u043a \u0432\u0437\u044f\u0442\u044c \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0425 \u0442\u0430\u043a, \u0447\u0442\u043e\u0431\u044b \u043e\u043f\u0443\u0441\u0442\u043e\u0448\u0438\u0442\u044c \u0432\u0441\u0435 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u044f\u0447\u0435\u0439\u043a\u0438 \u0434\u043e \u043a\u043e\u043d\u0446\u0430? \u041d\u0443 \u0442\u043e \u0435\u0441\u0442\u044c, \u0435\u0441\u0442\u044c \u0443 \u0432\u0430\u0441 \u0442\u0438\u043f\u0430 \u044f\u0447\u0435\u0439\u043a\u0438 [34, 10, 32, 32, 33, 41, 44, 4, 28, 23, 22, 28, 29, 14, 28, 15, 38, 49, 30, 24, 18, 9, 15, 8, 17, 9, 2, 7, 30, 29, 29, 2, 28, 23, 19, 4, 15, 30, 38, 3, 14, 21, 43, 50, 29, 14, 17, 12, 25, 15, 23, 28, 47, 38, 29, 7, 36, 45, 25, 6, 25, 11, 10, 1, 19, 37, 24, 27, 50, 12, 1, 1, 44, 22, 48, 13, 46, 49, 11, 33, 29, 4, 19, 33, 12, 3, 47, 27, 26, 45, 40, 37, 21, 2, 8, 41, 5, 1, 9, 5] \u2014 \u043a\u0430\u043a \u043d\u0430\u0431\u0440\u0430\u0442\u044c, \u0441\u043a\u0430\u0436\u0435\u043c, 40<\/p>\n<p>  \u041d\u0443 \u043c\u043e\u0436\u043d\u043e \u043f\u0435\u0440\u0435\u0431\u043e\u0440\u043e\u043c, \u043d\u0430\u0432\u0435\u0440\u043d\u044f\u043a\u0430 \u0435\u0441\u0442\u044c \u0447\u0442\u043e-\u0442\u043e \u0443\u043c\u043d\u043e\u0435, \u0430 \u043c\u043e\u0436\u043d\u043e \u0433\u0435\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u043c \u044d\u0442\u043e \u0440\u0435\u0448\u0438\u0442\u044c\u2026<br \/>  <a name=\"habracut\"><\/a><\/p>\n<p>  \u041f\u0435\u0440\u0432\u044b\u0439 \u0432\u043e\u043f\u0440\u043e\u0441: \u0430 \u0447\u0435\u0433\u043e \u043c\u043e\u0437\u0433\u0438 \u0441\u0443\u0448\u0438\u0442\u044c, \u0432\u0435\u0434\u044c \u0435\u0441\u043b\u0438 \u043f\u0440\u043e\u0441\u0442\u043e \u0438\u0434\u0442\u0438 \u043f\u043e \u0441\u043f\u0438\u0441\u043a\u0443, \u043f\u043e \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043d\u0430\u0434\u043e \u0432\u0437\u044f\u0442\u044c \u0438\u0437 \u043f\u0435\u0440\u0432\u044b\u0445 \u0434\u0432\u0443\u0445 \u044f\u0447\u0435\u0435\u043a \u2014 \u0432\u043e \u0432\u0442\u043e\u0440\u043e\u0439, \u043f\u0440\u0430\u0432\u0434\u0430, \u043e\u043a\u0430\u0436\u0435\u0442\u0441\u044f \u043e\u0441\u0442\u0430\u0442\u043e\u043a. \u0418 \u0445\u043e\u0434\u0438\u0442\u044c \u0434\u0430\u043b\u0435\u043a\u043e \u043d\u0435 \u043d\u0430\u0434\u043e \u0431\u0443\u0434\u0435\u0442. \u041d\u043e \u0432\u0438\u0434\u0430\u0442\u044c, \u043a\u043b\u0438\u0435\u043d\u0442 \u043f\u0435\u0440\u0444\u0435\u043a\u0446\u0438\u043e\u043d\u0438\u0441\u0442, \u0445\u043e\u0447\u0435\u0442, \u0447\u0442\u043e\u0431 \u0431\u044b\u043b\u043e, \u043a\u0430\u043a \u0432 \u0430\u043f\u0442\u0435\u043a\u0435. \u041d\u0430\u0432\u0435\u0440\u043d\u043e\u0435, \u0432 \u0441\u043a\u043b\u0430\u0434\u0435 \u044f\u0447\u0435\u0439\u043a\u0438 \u043d\u0430 \u0432\u0435\u0441 \u0437\u043e\u043b\u043e\u0442\u0430. \u0411\u044b\u0432\u0430\u0435\u0442. <\/p>\n<p>  \u0412\u0442\u043e\u0440\u043e\u0439 \u0432\u043e\u043f\u0440\u043e\u0441: \u0430 \u0435\u0441\u043b\u0438 \u043e\u0442\u0441\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043f\u043e \u0432\u043e\u0437\u0440\u0430\u0441\u0442\u0430\u044e\u0449\u0435\u0439, \u0442\u043e \u043d\u0430\u0432\u0435\u0440\u043d\u044f\u043a\u0430 \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0432\u044b\u0447\u0438\u0441\u0442\u0438\u0442\u044c \u0433\u043e\u0440\u0430\u0437\u0434\u043e \u0431\u043e\u043b\u044c\u0448\u0435 \u044f\u0447\u0435\u0435\u043a\u2026 \u0412 \u043d\u0430\u0448\u0435\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u043f\u043e\u043b\u043d\u043e \u044f\u0447\u0435\u0435\u043a \u0441 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e\u043c \u043c\u0435\u043d\u044c\u0448\u0435 \u0434\u0435\u0441\u044f\u0442\u0438. \u041d\u0430\u0432\u0435\u0440\u043d\u043e\u0435, \u0442\u043e\u0436\u0435 \u043d\u0435 \u0445\u043e\u0447\u0435\u0442 \u043a\u043b\u0438\u0435\u043d\u0442 \ud83d\ude09 \u041c\u043d\u0435 \u0442\u043e\u0436\u0435 \u0442\u0430\u043a\u0438\u0435 \u043f\u043e\u043f\u0430\u0434\u0430\u043b\u0438\u0441\u044c: \u044f \u0442\u0443\u0442 \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u0438\u043a. \u0422\u0435\u0431\u0435 \u0441\u043a\u0430\u0437\u0430\u043b\u0438 \u2014 \u0434\u0435\u043b\u0430\u0439, \u0432\u043e\u043f\u0440\u043e\u0441\u043e\u0432 \u043d\u0435 \u0437\u0430\u0434\u0430\u0432\u0430\u0439.<\/p>\n<p>  (\u0425\u043e\u0440\u043e\u0448\u043e, \u043d\u0435 \u043c\u043e\u0439 \u043a\u043b\u0438\u0435\u043d\u0442, \u0430 \u0442\u043e \u0431 \u044f \u0432 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u043e\u0439 \u0440\u0430\u0437 \u0432\u0435\u0440\u0443 \u0432 \u0447\u0435\u043b\u043e\u0432\u0435\u0447\u0435\u0441\u043a\u0438\u0439 \u0440\u0430\u0437\u0443\u043c \u043f\u043e\u0442\u0435\u0440\u044f\u043b&#8230;)<\/p>\n<p>  \u041d\u0443 \u0434\u0430 \u0411\u043e\u0433 \u0441 \u043d\u0438\u043c, \u0443 \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u043e\u0440\u0438\u0442\u0435\u0442\u044b\u2026 \u0422\u043e\u0433\u0434\u0430 \u043f\u0440\u043e \u0433\u0435\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u044b \u043f\u043e\u0433\u043e\u0432\u043e\u0440\u0438\u043c \u2014 \u043d\u0430\u0434\u043e \u0436 \u044d\u0442\u043e \u043a\u0430\u043a-\u0442\u043e \u0440\u0435\u0448\u0430\u0442\u044c\u2026 \u041f\u0438\u0441\u0430\u0442\u044c \u0431\u0443\u0434\u0435\u043c \u043d\u0430 \u042f\u0432\u0435.<\/p>\n<p>  \u0414\u043b\u044f \u0442\u0435\u0445, \u043a\u0442\u043e \u043f\u0440\u043e \u043d\u0438\u0445 \u0440\u0430\u043d\u044c\u0448\u0435 \u0442\u043e\u043b\u043a\u043e\u043c \u043d\u0435 \u0441\u043b\u044b\u0448\u0430\u043b: \u0438\u043c\u0438\u0442\u0438\u0440\u0443\u0435\u043c \u041c\u0430\u0442\u044c \u041f\u0440\u0438\u0440\u043e\u0434\u0443.   <\/p>\n<ol>\n<li>\u041a\u043e\u0434\u0438\u0440\u0443\u0435\u043c \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f<\/li>\n<li>\u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u043c, \u043d\u0430\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0445\u043e\u0440\u043e\u0448\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043a\u0430\u0436\u0434\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0435\u0433\u043e \u0431\u0435\u043d\u0447\u043c\u0430\u0440\u043a\u0430<\/li>\n<li>\u0421\u0430\u043c\u044b\u0435 \u043b\u0443\u0447\u0448\u0438\u0435 \u043f\u0435\u0440\u0435\u0434\u0430\u044e\u0442 \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0437\u043d\u0430\u043a\u0438 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c\u0443 \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044e<\/li>\n<\/ol>\n<p>  \u0412 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u043c \u0448\u0430\u0433\u0435 \u0432 \u043f\u0440\u0438\u0440\u043e\u0434\u0435 \u0435\u0441\u0442\u044c \u0434\u0432\u0435 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0435: \u043a\u0440\u043e\u0441\u0441\u0438\u043d\u0433-\u043e\u0432\u0435\u0440 (\u043e\u0431\u043c\u0435\u043d \u043f\u0440\u0438\u0437\u043d\u0430\u043a\u0430\u043c\u0438 \u043c\u0435\u0436\u0434\u0443 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u043c\u0438 \u0443\u0447\u0430\u0441\u0442\u043a\u0430\u043c\u0438 \u0445\u0440\u043e\u043c\u043e\u0441\u043e\u043c\u044b) \u0438 \u043c\u0443\u0442\u0430\u0446\u0438\u044f (\u0441\u043f\u043e\u043d\u0442\u0430\u043d\u043d\u043e\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0433\u0435\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043a\u043e\u0434\u0430). \u041f\u0440\u0438\u0432\u0435\u0442, \u0441\u0440\u0435\u0434\u043d\u044f\u044f \u0448\u043a\u043e\u043b\u0430 \ud83d\ude09<\/p>\n<p>  \u0412\u043e\u0442, \u043f\u043e\u0436\u0430\u043b\u0443\u0439, \u0438 \u0432\u0441\u0451. \u041a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0431\u0443\u0434\u0435\u043c, \u0438\u0437 \u043a\u0430\u043a\u0438\u0445 \u044f\u0447\u0435\u0435\u043a \u0431\u0440\u0430\u0442\u044c, \u0430 \u0438\u0437 \u043a\u0430\u043a\u0438\u0445 \u043d\u0435\u0442. \u0423 \u043d\u0430\u0441 100 \u044f\u0447\u0435\u0435\u043a, \u0437\u043d\u0430\u0447\u0438\u0442 \u043d\u0430\u0448\u0430 \u0445\u0440\u043e\u043c\u043e\u0441\u043e\u043c\u0430 \u0431\u0443\u0434\u0435\u0442 \u0438\u0437 100 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 true\/false, \u044f \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u0432\u0437\u044f\u043b String, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0431\u0443\u0434\u0443\u0442 \u0437\u0430\u043f\u0438\u0441\u0430\u043d\u044b \u043d\u043e\u043b\u0438 \u0438 \u0435\u0434\u0438\u043d\u0438\u0446\u044b. \u0418\u0445, \u043f\u043e\u043d\u044f\u0442\u043d\u043e, \u0431\u0443\u0434\u0435\u0442 100.<\/p>\n<p>  \u0411\u0435\u043d\u0447\u043c\u0430\u0440\u043a \u2014 \u0432\u0430\u0436\u043d\u0435\u0439\u0448\u0430\u044f \u0432\u0435\u0449\u044c \u0432 \u044d\u0442\u043e\u043c \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435. \u041f\u0440\u0438\u0440\u043e\u0434\u0430 \u0438\u0449\u0435\u0442 \u043d\u0438\u0448\u0443, \u0430 \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043d\u0430\u044f \u043f\u0440\u0438\u0440\u043e\u0434\u0430 \u0431\u0443\u0434\u0435\u0442 \u0438\u0441\u043a\u0430\u0442\u044c \u0434\u044b\u0440\u0443 \u0432 \u0432\u0430\u0448\u0435\u043c \u0431\u0435\u043d\u0447\u043c\u0430\u0440\u043a\u0435, \u0447\u0442\u043e\u0431\u044b \u043e\u0431\u0434\u0443\u0440\u0438\u0442\u044c \u0435\u0433\u043e \u0438 \u0432\u044b\u0436\u0438\u0442\u044c. \u0414\u0438\u0432\u0443 \u0434\u0430\u0435\u0448\u044c\u0441\u044f, \u0447\u0435\u0441\u0442\u043d\u043e\u0435 \u0441\u043b\u043e\u0432\u043e\u2026<\/p>\n<p>  \u0421 \u0443\u0447\u0435\u0442\u043e\u043c \u0432\u0441\u0435\u0433\u043e \u0441\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0433\u043e, \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e \u0442\u0430\u043a:<\/p>\n<pre><code class=\"java\">private static int benchmark(String chromosome, boolean verbose) { \tint sum = 0; \tchar[] cArr = chromosome.toCharArray();  \tfor (int i = 0; i &lt; cnt_bins; i++) { \t\tif (cArr[i] == '1') { \t\t\tsum += stock[i]; \t\t\tif (verbose) \t\t\t\tSystem.out.println(\"storage bin \" + i + \":\\t+\" + stock[i] + \"\\t= \" + sum);  \t\t} \t\tif (sum == target_qty) { \t\t\treturn 0; \t\t} \t}  \treturn Math.abs(target_qty - sum); }<\/code><\/pre>\n<p>  \u0418\u0434\u0435\u044f \u2014 \u0447\u0435\u043c \u0434\u0430\u043b\u044c\u0448\u0435 \u043c\u044b \u043e\u0442 \u0438\u0441\u043a\u043e\u043c\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430 40, \u0442\u0435\u043c \u0445\u0443\u0436\u0435. \u0415\u0441\u043b\u0438 \u043d\u0430\u0431\u0440\u0430\u043b\u0438 40 \u2014 \u0434\u0430\u043b\u044c\u0448\u0435 \u0432\u043e \u0445\u0440\u043e\u043c\u043e\u0441\u043e\u043c\u0435 \u043d\u0435 \u0438\u0434\u0435\u043c, \u043c\u044b \u043f\u043e\u0431\u0435\u0434\u0438\u043b\u0438. \u0421\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0431\u0443\u0434\u0435\u043c, \u043f\u043e\u043d\u044f\u0442\u043d\u043e, \u043f\u043e \u0432\u043e\u0437\u0440\u0430\u0441\u0442\u0430\u044e\u0449\u0435\u0439 \u2014 \u0447\u0435\u043c \u043c\u0435\u043d\u044c\u0448\u0435 \u0448\u0442\u0440\u0430\u0432\u043d\u044b\u0445 \u043e\u0447\u043a\u043e\u0432, \u0442\u0435\u043c \u043b\u0443\u0447\u0448\u0435.<\/p>\n<p>  \u041f\u0435\u0440\u0432\u043e\u0435 \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u0435 \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e:<\/p>\n<pre><code class=\"java\">\/\/ create 1st generation \t\tfor (int i = 0; i &lt; generation_size; i++) { \t\t\tStringWriter sw = new StringWriter(); \t\t\tfor (int j = 0; j &lt; cnt_bins; j++) { \t\t\t\t\/\/ take stock from this bin? \t\t\t\tsw.append(rnd.nextBoolean() ? \"1\" : \"0\"); \t\t\t} \t\t\tchromosomes.add(sw.toString()); \t\t\tsw.close(); \t\t}<\/code><\/pre>\n<p>  \u041f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0433\u0435\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0430\u043b\u0433\u043e\u0440\u0438\u043c\u0442, \u0432\u043e\u043e\u0431\u0449\u0435-\u0442\u043e, \u043f\u0440\u0438\u0431\u043b\u0438\u0436\u0430\u0435\u0442\u0441\u044f \u043a \u0446\u0435\u043b\u0438, \u043d\u043e \u043d\u0435 \u0432\u0441\u0435\u0433\u0434\u0430 \u0435\u0435 \u0434\u043e\u0441\u0442\u0438\u0433\u0430\u0435\u0442, \u0432\u0430\u0436\u043d\u043e \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u044c \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u0439.<\/p>\n<pre><code class=\"java\">for (int generationNo = 0; generationNo &lt; maxGenerationCnt; generationNo++) { \t\/\/ evaluate \tList&lt;SimpleEntry&lt;String, Integer&gt;&gt; evaluated = new ArrayList&lt;&gt;(); \tfor (int i = 0; i &lt; chromosomes.size(); i++) { \t\tevaluated.add( \t\t\tnew SimpleEntry&lt;String, Integer&gt;(chromosomes.get(i), benchmark(chromosomes.get(i), false))); \t}  \/\/ ... \u0442\u0443\u0442 \u0431\u0443\u0434\u0435\u0442 \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u043a\u043e\u0434, \u0441\u043c. \u043d\u0438\u0436\u0435 ... } System.out.println(\"No solution found after \" + maxGenerationCnt + \" iterations\");<\/code><\/pre>\n<p>  \u041e\u0442\u0441\u043e\u0440\u0442\u0438\u0440\u0443\u0435\u043c, \u043e\u0441\u0442\u0430\u0432\u0438\u043c \u043b\u0443\u0447\u0448\u0438\u0435:<\/p>\n<pre><code class=\"java\">... \/\/ sort evaluated = evaluated.stream().sorted((e1, e2) -&gt; Integer.compare(e1.getValue(), e2.getValue())) \t\t\t\t\t.collect(Collectors.toList());  System.out.println(\"Generation \" + generationNo + \"; Best \/ last parent \/ worst: \" \t\t+ evaluated.get(0).getValue() + \" \/ \" + evaluated.get(best_size).getValue() + \" \/ \" \t\t+ evaluated.get(evaluated.size() - 1).getValue());  if (evaluated.get(0).getValue() == 0) { \tSystem.out.println(\"Solution found\"); \tbenchmark(evaluated.get(0).getKey(), true); \tSystem.exit(0); }  \/\/ leave only the best evaluated = evaluated.subList(0, best_size); ... <\/code><\/pre>\n<p>  \u041f\u043b\u043e\u0434\u0438\u043c\u0441\u044f \u0438 \u0440\u0430\u0437\u043c\u043d\u043e\u0436\u0430\u0435\u043c\u0441\u044f, \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c \u0440\u0430\u0437\u043c\u0435\u0440 \u043f\u043e\u043f\u0443\u043b\u044f\u0446\u0438\u0438. \u0422\u043e \u0435\u0441\u0442\u044c, \u0432\u044b\u0431\u0438\u0440\u0430\u0435\u043c \u0440\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u0439 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043a\u043e\u043c\u0431\u0438\u043d\u0438\u0440\u0443\u0435\u043c \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u044b\u0435 \u043f\u0440\u0438\u0437\u043d\u0430\u043a\u0438 (\u0435\u0441\u043b\u0438 \u043f\u043e\u0432\u0435\u0437\u0435\u0442 \u2014 \u0441\u043c. \u0444\u043b\u0430\u0433 exchange), \u043c\u0443\u0442\u0438\u0440\u0443\u0435\u043c (\u0444\u043b\u0430\u0433 mutation), \u0436\u0434\u0435\u043c \u0447\u0443\u0434\u0430\u2026<\/p>\n<pre><code class=\"java\">\/\/ replication List&lt;String&gt; parents = evaluated.stream().map(e -&gt; e.getKey()).collect(Collectors.toList()); chromosomes.clear();  while (chromosomes.size() &lt; generation_size) { \tint parent1 = rnd.nextInt(evaluated.size()); \tint parent2 = rnd.nextInt(evaluated.size()); \tchar[] cArr1 = parents.get(parent1).toCharArray();         char[] cArr2 = parents.get(parent2).toCharArray();  \tfor (int i = 0; i &lt; cnt_bins; i++) { \t\tboolean exchange = rnd.nextDouble() &lt; exchange_rate; \t\tif (exchange) { \t\t\tchar c1 = cArr1[i]; \t\t\tchar c2 = cArr2[i];  \t\t\t\/\/ exchange both values \t\t\tcArr1[i] = c2; \t\t\tcArr2[i] = c1; \t\t}  \t\t\/\/ mutation \t\tboolean mutation = rnd.nextDouble() &lt; mutation_rate; \t\tif (mutation) { \t\t\tcArr1[i] = rnd.nextBoolean() ? '1' : '0'; \t\t}  \t\tmutation = rnd.nextDouble() &lt; mutation_rate; \t\tif (mutation) { \t\t\tcArr2[i] = rnd.nextBoolean() ? '1' : '0'; \t\t} \t}  \tchromosomes.add(new String(cArr1)); \tchromosomes.add(new String(cArr2)); \t\t\t} <\/code><\/pre>\n<div class=\"spoiler\"><b class=\"spoiler_title\">\u041d\u0443 \u0438 \u0432\u043e\u0442 \u0432\u0430\u043c \u0447\u0443\u0434\u043e:<\/b><\/p>\n<div class=\"spoiler_text\">Target value: 40<br \/>  Stock: [34, 10, 32, 32, 33, 41, 44, 4, 28, 23, 22, 28, 29, 14, 28, 15, 38, 49, 30, 24, 18, 9, 15, 8, 17, 9, 2, 7, 30, 29, 29, 2, 28, 23, 19, 4, 15, 30, 38, 3, 14, 21, 43, 50, 29, 14, 17, 12, 25, 15, 23, 28, 47, 38, 29, 7, 36, 45, 25, 6, 25, 11, 10, 1, 19, 37, 24, 27, 50, 12, 1, 1, 44, 22, 48, 13, 46, 49, 11, 33, 29, 4, 19, 33, 12, 3, 47, 27, 26, 45, 40, 37, 21, 2, 8, 41, 5, 1, 9, 5]<br \/>  Generation 0; Best \/ last parent \/ worst: 705 \/ 991 \/ 1580<br \/>  Generation 1; Best \/ last parent \/ worst: 576 \/ 846 \/ 1175<br \/>  Generation 2; Best \/ last parent \/ worst: 451 \/ 722 \/ 1108<br \/>  Generation 3; Best \/ last parent \/ worst: 0 \/ 613 \/ 904<br \/>  Solution found<br \/>  storage bin 7: +4 = 4<br \/>  storage bin 10: +22 = 26<br \/>  storage bin 13: +14 = 40  <\/div>\n<\/div>\n<div class=\"spoiler\"><b class=\"spoiler_title\">\u0410 \u0432\u043e\u0442 \u0438 \u0432\u0435\u0441\u044c \u043a\u043e\u0434<\/b><\/p>\n<div class=\"spoiler_text\">\n<pre><code class=\"java\">package ypk;  import java.io.IOException; import java.io.StringWriter; import java.util.AbstractMap.SimpleEntry; import java.util.stream.Collectors; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.Random;  public class YPK { \tprivate static int generation_size = 1000; \tprivate static int best_size = 200; \tprivate static int cnt_bins = 100; \tprivate static int max_stock = 50; \tprivate static double exchange_rate = .2; \tprivate static double mutation_rate = .01; \tprivate static Random rnd = new Random(); \tprivate static int target_qty = rnd.nextInt(cnt_bins * max_stock \/ 5); \/\/ some quantity \tprivate static List&lt;String&gt; chromosomes = new ArrayList&lt;&gt;(); \tprivate static int maxGenerationCnt = 20;  \tprivate static int[] stock = new int[cnt_bins];  \tpublic static void main(String[] args) throws IOException { \t\tSystem.out.println(\"Target value: \" + target_qty);  \t\t\/\/ create sample stock \t\tstock = new int[cnt_bins]; \t\tfor (int i = 0; i &lt; cnt_bins; i++) { \t\t\tstock[i] = rnd.nextInt(max_stock) + 1; \t\t}  \t\tSystem.out.println(\"Stock: \" + Arrays.toString(stock));  \t\t\/\/ create 1st generation \t\tfor (int i = 0; i &lt; generation_size; i++) { \t\t\tStringWriter sw = new StringWriter(); \t\t\tfor (int j = 0; j &lt; cnt_bins; j++) { \t\t\t\t\/\/ take stock from this bin? \t\t\t\tsw.append(rnd.nextBoolean() ? \"1\" : \"0\"); \t\t\t} \t\t\tchromosomes.add(sw.toString()); \t\t\tsw.close(); \t\t}  \t\tfor (int generationNo = 0; generationNo &lt; maxGenerationCnt; generationNo++) {  \t\t\t\/\/ evaluate \t\t\tList&lt;SimpleEntry&lt;String, Integer&gt;&gt; evaluated = new ArrayList&lt;&gt;(); \t\t\tfor (int i = 0; i &lt; chromosomes.size(); i++) { \t\t\t\tevaluated.add( \t\t\t\t\t\tnew SimpleEntry&lt;String, Integer&gt;(chromosomes.get(i), benchmark(chromosomes.get(i), false))); \t\t\t}  \t\t\t\/\/ sort \t\t\tevaluated = evaluated.stream().sorted((e1, e2) -&gt; Integer.compare(e1.getValue(), e2.getValue())) \t\t\t\t\t.collect(Collectors.toList());  \t\t\tSystem.out.println(\"Generation \" + generationNo + \"; Best \/ last parent \/ worst: \" \t\t\t\t\t+ evaluated.get(0).getValue() + \" \/ \" + evaluated.get(best_size).getValue() + \" \/ \" \t\t\t\t\t+ evaluated.get(evaluated.size() - 1).getValue());  \t\t\tif (evaluated.get(0).getValue() == 0) { \t\t\t\tSystem.out.println(\"Solution found\"); \t\t\t\tbenchmark(evaluated.get(0).getKey(), true); \t\t\t\tSystem.exit(0); \t\t\t}  \t\t\t\/\/ leave only the best \t\t\tevaluated = evaluated.subList(0, best_size);  \t\t\t\/\/ replication \t\t\tList&lt;String&gt; parents = evaluated.stream().map(e -&gt; e.getKey()).collect(Collectors.toList()); \t\t\tchromosomes.clear();  \t\t\twhile (chromosomes.size() &lt; generation_size) { \t\t\t\tint parent1 = rnd.nextInt(evaluated.size()); \t\t\t\tint parent2 = rnd.nextInt(evaluated.size()); \t\t\t\tchar[] cArr1 = parents.get(parent1).toCharArray(); \t\t\t\tchar[] cArr2 = parents.get(parent2).toCharArray();  \t\t\t\tfor (int i = 0; i &lt; cnt_bins; i++) { \t\t\t\t\tboolean exchange = rnd.nextDouble() &lt; exchange_rate; \t\t\t\t\tif (exchange) { \t\t\t\t\t\tchar c1 = cArr1[i]; \t\t\t\t\t\tchar c2 = cArr2[i];  \t\t\t\t\t\t\/\/ exchange both values \t\t\t\t\t\tcArr1[i] = c2; \t\t\t\t\t\tcArr2[i] = c1; \t\t\t\t\t}  \t\t\t\t\t\/\/ mutation \t\t\t\t\tboolean mutation = rnd.nextDouble() &lt; mutation_rate; \t\t\t\t\tif (mutation) { \t\t\t\t\t\tcArr1[i] = rnd.nextBoolean() ? '1' : '0'; \t\t\t\t\t}  \t\t\t\t\tmutation = rnd.nextDouble() &lt; mutation_rate; \t\t\t\t\tif (mutation) { \t\t\t\t\t\tcArr2[i] = rnd.nextBoolean() ? '1' : '0'; \t\t\t\t\t} \t\t\t\t}  \t\t\t\tchromosomes.add(new String(cArr1)); \t\t\t\tchromosomes.add(new String(cArr2)); \t\t\t} \t\t} \t\tSystem.out.println(\"No solution found after \" + maxGenerationCnt + \" iterations\"); \t}  \tprivate static int benchmark(String chromosome, boolean verbose) { \t\tint sum = 0; \t\tchar[] cArr = chromosome.toCharArray();  \t\tfor (int i = 0; i &lt; cnt_bins; i++) { \t\t\tif (cArr[i] == '1') { \t\t\t\tsum += stock[i]; \t\t\t\tif (verbose) \t\t\t\t\tSystem.out.println(\"storage bin \" + i + \":\\t+\" + stock[i] + \"\\t= \" + sum);  \t\t\t} \t\t\tif (sum == target_qty) { \t\t\t\treturn 0; \t\t\t} \t\t}  \t\treturn Math.abs(target_qty - sum); \t}  }<\/code><\/pre>\n<p>  <\/div>\n<\/div>\n<p>  \u041d\u0443 \u0438 \u0432 \u0437\u0430\u0432\u0435\u0440\u043d\u0435\u0448\u0438\u0435: \u0435\u0441\u043b\u0438 \u043d\u0430\u043c\u0443\u0442\u0438\u0442\u044c \u0441 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430\u043c\u0438 \u2014 \u0441\u043b\u0438\u0448\u043a\u043e\u043c \u043c\u043d\u043e\u0433\u043e \u043c\u0443\u0442\u0430\u0446\u0438\u0439, \u0441\u043b\u0438\u0448\u043a\u043e\u043c \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u043f\u043e\u043f\u0443\u043b\u044f\u0446\u0438\u0438 \u0438 \u0442.\u043f. \u2014 \u0431\u0443\u0434\u0435\u0442 \u0442\u043e\u043f\u0442\u0430\u0442\u044c\u0441\u044f \u043d\u0430 \u043c\u0435\u0441\u0442\u0435 \u0438\u043b\u0438 \u0434\u0430\u0436\u0435 \u0434\u0430\u0432\u0430\u0442\u044c \u0432\u0441\u0435 \u0445\u0443\u0434\u0448\u0438\u0435 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b. <\/p>\n<p>  \u0417\u0430\u0434\u0430\u0447\u043a\u0430 \u044d\u0442\u0430, \u043a\u0441\u0442\u0430\u0442\u0438, \u0447\u0430\u0441\u0442\u043e \u0440\u0435\u0448\u0430\u0435\u0442\u0441\u044f \u0443\u0436\u0435 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u0438 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f \u043d\u0435 \u043d\u0443\u0436\u043d\u044b \ud83d\ude42 \u0415\u0441\u043b\u0438 \u0445\u043e\u0442\u0438\u0442\u0435 \u0443\u0441\u043b\u043e\u0436\u043d\u0438\u0442\u044c \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u0443 \u0436\u0438\u0437\u043d\u044c \u2014 \u0443\u0431\u0435\u0440\u0438\u0442\u0435 \u0432\u043e\u0442 \u044d\u0442\u043e\u0442 return \u0438\u0437 \u0431\u0435\u043d\u0447\u043c\u0430\u0440\u043a\u0430:<\/p>\n<pre><code class=\"java\">if (sum == target_qty) { \treturn 0; }<\/code><\/pre>\n<p>  \u042d\u0442\u043e \u0443\u0441\u043b\u043e\u0436\u043d\u0438\u0442 \u0437\u0430\u0434\u0430\u0447\u0443 \u0438 \u0437\u0430\u0441\u0442\u0430\u0432\u0438\u0442 \u043a\u043e\u043c\u043f \u043f\u043e\u043c\u0443\u0447\u0438\u0442\u044c\u0441\u044f \u043d\u0435\u043c\u043d\u043e\u0433\u043e\u2026<\/p>\n<p>  \u0423\u0434\u0430\u0447\u0438,<\/p>\n<p>  m_OO_m<\/p><\/div>\n<p>               <script class=\"js-mediator-script\">!function(e){function t(t,n){if(!(n in e)){for(var r,a=e.document,i=a.scripts,o=i.length;o--;)if(-1!==i[o].src.indexOf(t)){r=i[o];break}if(!r){r=a.createElement(\"script\"),r.type=\"text\/javascript\",r.async=!0,r.defer=!0,r.src=t,r.charset=\"UTF-8\";var d=function(){var e=a.getElementsByTagName(\"script\")[0];e.parentNode.insertBefore(r,e)};\"[object Opera]\"==e.opera?a.addEventListener?a.addEventListener(\"DOMContentLoaded\",d,!1):e.attachEvent(\"onload\",d):d()}}}t(\"\/\/mediator.mail.ru\/script\/2820404\/\",\"_mediator\")}(window);<\/script>     <br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/post\/465797\/\"> https:\/\/habr.com\/ru\/post\/465797\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\n<div class=\"post__text post__text-html js-mediator-article\">\u041f\u0440\u0438\u0432\u0435\u0442, \u0425\u0430\u0431\u0440!<\/p>\n<p>  \u0421\u0435\u0439\u0447\u0430\u0441 \u0432\u043e\u0442 \u0441\u0438\u0434\u0435\u043b, \u0434\u0435\u043b\u0430\u043b \u0434\u043b\u044f \u0442\u043e\u0432\u0430\u0440\u0438\u0449\u0430 \u043f\u0440\u043e\u0442\u043e\u0442\u0438\u043f \u0433\u0435\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430. \u041d\u0430\u0432\u0435\u044f\u043b\u043e \u043f\u043e\u0434\u0435\u043b\u0438\u0442\u044c\u0441\u044f \u043e\u043d\u044b\u043c, \u0434\u0430 \u0438 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u043c\u0438 \u0434\u0440\u0443\u0433\u0438\u043c\u0438 \u043c\u044b\u0441\u043b\u044f\u043c\u0438\u2026<\/p>\n<p>  \u0414\u0430\u043d\u043e (\u043a\u043b\u0438\u0435\u043d\u0442 \u0437\u0430\u043a\u0430\u0437\u0430\u043b): \u0432 \u043d\u0435\u043a\u043e\u0435\u043c <s>\u0446\u0430\u0440\u0441\u0442\u0432\u0435<\/s> \u0441\u043a\u043b\u0430\u0434\u0435 \u0435\u0441\u0442\u044c 100 \u044f\u0447\u0435\u0435\u043a. \u0412 \u043d\u0435\u043c \u0442\u043e\u0432\u0430\u0440 \u043b\u0435\u0436\u0438\u0442. \u041a\u0430\u043a \u0432\u0437\u044f\u0442\u044c \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0425 \u0442\u0430\u043a, \u0447\u0442\u043e\u0431\u044b \u043e\u043f\u0443\u0441\u0442\u043e\u0448\u0438\u0442\u044c \u0432\u0441\u0435 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u044f\u0447\u0435\u0439\u043a\u0438 \u0434\u043e \u043a\u043e\u043d\u0446\u0430? \u041d\u0443 \u0442\u043e \u0435\u0441\u0442\u044c, \u0435\u0441\u0442\u044c \u0443 \u0432\u0430\u0441 \u0442\u0438\u043f\u0430 \u044f\u0447\u0435\u0439\u043a\u0438 [34, 10, 32, 32, 33, 41, 44, 4, 28, 23, 22, 28, 29, 14, 28, 15, 38, 49, 30, 24, 18, 9, 15, 8, 17, 9, 2, 7, 30, 29, 29, 2, 28, 23, 19, 4, 15, 30, 38, 3, 14, 21, 43, 50, 29, 14, 17, 12, 25, 15, 23, 28, 47, 38, 29, 7, 36, 45, 25, 6, 25, 11, 10, 1, 19, 37, 24, 27, 50, 12, 1, 1, 44, 22, 48, 13, 46, 49, 11, 33, 29, 4, 19, 33, 12, 3, 47, 27, 26, 45, 40, 37, 21, 2, 8, 41, 5, 1, 9, 5] \u2014 \u043a\u0430\u043a \u043d\u0430\u0431\u0440\u0430\u0442\u044c, \u0441\u043a\u0430\u0436\u0435\u043c, 40<\/p>\n<p>  \u041d\u0443 \u043c\u043e\u0436\u043d\u043e \u043f\u0435\u0440\u0435\u0431\u043e\u0440\u043e\u043c, \u043d\u0430\u0432\u0435\u0440\u043d\u044f\u043a\u0430 \u0435\u0441\u0442\u044c \u0447\u0442\u043e-\u0442\u043e \u0443\u043c\u043d\u043e\u0435, \u0430 \u043c\u043e\u0436\u043d\u043e \u0433\u0435\u043d\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u043c \u044d\u0442\u043e \u0440\u0435\u0448\u0438\u0442\u044c\u2026  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-294121","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/294121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=294121"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/294121\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=294121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=294121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=294121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}