{"id":7278,"date":"2018-12-11T07:27:00","date_gmt":"2018-12-11T04:27:00","guid":{"rendered":"https:\/\/beta.acaprs.net\/home\/?p=7278"},"modified":"2025-09-14T17:30:29","modified_gmt":"2025-09-14T14:30:29","slug":"puzzle1","status":"publish","type":"post","link":"https:\/\/acaprs.net\/en\/2018\/12\/puzzle1\/","title":{"rendered":"Historical question (puzzle)"},"content":{"rendered":"<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<p class=\"wp-block-paragraph\">Historical issue:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The inhabitants of the Prussian city of K\u00f6nigsberg (now Kaliningrad) came up with a puzzle in the 18th century: could you pass over all the bridges only once without having to pass over any of them again?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you know the solution, just scan\/tap the barcode to find out the solution:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-uagb-image uagb-block-a4bbd3bc wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><a class=\"\" href=\"https:\/\/web.archive.org\/web\/20240616101436\/https:\/\/maa.org\/press\/periodicals\/convergence\/leonard-eulers-solution-to-the-konigsberg-bridge-problem\" target=\"\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/frame-5.png\" alt=\"frame 5\" class=\"uag-image-7281\" width=\"300\" height=\"300\" title=\"frame 5\" role=\"img\" \/><\/a><\/figure><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-uagb-image uagb-block-6a2f8445 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><a class=\"\" href=\"https:\/\/plus.maths.org\/content\/bridges-k-nigsberg\" target=\"\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/frame-6.png\" alt=\"frame 6\" class=\"uag-image-7282\" width=\"300\" height=\"300\" title=\"frame 6\" role=\"img\" \/><\/a><\/figure><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<div class=\"wp-block-uagb-image uagb-block-194c2da3 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/1-1-1.jpg\" alt=\"1 (1)\" class=\"uag-image-7279\" width=\"698\" height=\"400\" title=\"1 (1)\" role=\"img\" \/><\/figure><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u0645\u0633\u0623\u0644\u0629 \u062a\u0627\u0631\u064a\u062e\u064a\u0629: \u0627\u0628\u062a\u0643\u0631 \u0633\u0643\u0627\u0646 \u0645\u062f\u064a\u0646\u0629 \u0643\u0648\u0646\u064a\u062c\u0633\u0628\u064a\u0631\u062c (K\u00f6nigsberg) \u0627\u0644\u0628\u0631\u0648\u0633\u064a\u0629 (\u062d\u0627\u0644\u064a\u064b\u0627 \u0643\u0627\u0644\u064a\u0646\u064a\u0646\u062c\u0631\u0627\u062f&nbsp;Kaliningrad) \u0644\u063a\u0632\u064b\u0627&nbsp; \u0641\u064a \u0627\u0644\u0642\u0631\u0646 \u0627\u0644\u062b\u0627\u0645\u0646 \u0639\u0634\u0631 \u0627\u0644\u0645\u064a\u0644\u0627\u062f\u064a \u0647\u0648 \u0647\u0644 \u064a\u0645\u0643\u0646 \u0623\u0646 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7280,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false,"_ppma_block_editor_authors":""},"categories":[55,12],"tags":[],"ppma_author":[4],"class_list":["post-7278","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uinversity-life","category-forum","author-acaprsj"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/2-1-1.jpg",500,400,false],"thumbnail":["https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/2-1-1-150x150.jpg",150,150,true],"medium":["https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/2-1-1-300x240.jpg",300,240,true],"medium_large":["https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/2-1-1.jpg",500,400,false],"large":["https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/2-1-1.jpg",500,400,false],"1536x1536":["https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/2-1-1.jpg",500,400,false],"2048x2048":["https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/2-1-1.jpg",500,400,false],"trp-custom-language-flag":["https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/2-1-1-15x12.jpg",15,12,true]},"uagb_author_info":{"display_name":"ACAPRSJ","author_link":"https:\/\/acaprs.net\/en\/author\/acaprsj\/"},"uagb_comment_info":0,"uagb_excerpt":"\u0645\u0633\u0623\u0644\u0629 \u062a\u0627\u0631\u064a\u062e\u064a\u0629: \u0627\u0628\u062a\u0643\u0631 \u0633\u0643\u0627\u0646 \u0645\u062f\u064a\u0646\u0629 \u0643\u0648\u0646\u064a\u062c\u0633\u0628\u064a\u0631\u062c (K\u00f6nigsberg) \u0627\u0644\u0628\u0631\u0648\u0633\u064a\u0629 (\u062d\u0627\u0644\u064a\u064b\u0627 \u0643\u0627\u0644\u064a\u0646\u064a\u0646\u062c\u0631\u0627\u062f&nbsp;Kaliningrad) \u0644\u063a\u0632\u064b\u0627&nbsp; \u0641\u064a \u0627\u0644\u0642\u0631\u0646 \u0627\u0644\u062b\u0627\u0645\u0646 \u0639\u0634\u0631 \u0627\u0644\u0645\u064a\u0644\u0627\u062f\u064a \u0647\u0648 \u0647\u0644 \u064a\u0645\u0643\u0646 \u0623\u0646 [&hellip;]","jetpack_sharing_enabled":true,"authors":[{"term_id":4,"user_id":1,"is_guest":0,"slug":"acaprsj","display_name":"ACAPRSJ","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/f50aea4fb2528c5e065a5b8502dd2be4410929c5dfb322b52c2a6fdea5c67d34?s=96&d=mm&r=g","author_category":"","exclude_author":"","first_name":"","last_name":"","user_url":"https:\/\/acaprs.net","job_title":"","description":""}],"amp_enabled":true,"jetpack_featured_media_url":"https:\/\/acaprs.net\/wp-content\/uploads\/2025\/08\/2-1-1.jpg","_links":{"self":[{"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/posts\/7278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/comments?post=7278"}],"version-history":[{"count":1,"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/posts\/7278\/revisions"}],"predecessor-version":[{"id":7283,"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/posts\/7278\/revisions\/7283"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/media\/7280"}],"wp:attachment":[{"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/media?parent=7278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/categories?post=7278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/tags?post=7278"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/acaprs.net\/en\/wp-json\/wp\/v2\/ppma_author?post=7278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}