{"id":5957,"date":"2023-10-15T20:56:42","date_gmt":"2023-10-15T11:56:42","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=5957"},"modified":"2023-10-15T20:57:21","modified_gmt":"2023-10-15T11:57:21","slug":"foundation-of-algorithms-p265","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/foundation-of-algorithms-p265\/","title":{"rendered":"Foundation of algorithms, p265"},"content":{"rendered":"\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">def n_queens(i, col):\n    n = len(col) -1\n    \n    if (promising(i, col)):\n        if( i == n):\n            print(col[1:n+1])\n        else:\n            for j in range(1, n+1):\n                col [i+1] = j\n                n_queens(i+1, col) \n                \n                \ndef promising(i, col):\n    k = 1\n    flag = True\n    while(k &lt; i and flag):\n        if (col[i] == col[k] or abs(col[i]-col[k]) == (i-k)):\n            flag = False\n        k += 1\n    return flag<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">n=4\ncol = [0]*(n+1)\nn_queens(0, col)<\/pre>\n\n\n\n<p>[2, 4, 1, 3] [3, 1, 4, 2]<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"902\" height=\"1280\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2023\/10\/image-9.png\" alt=\"\" class=\"wp-image-5958\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2023\/10\/image-9.png 902w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2023\/10\/image-9-768x1090.png 768w\" sizes=\"auto, (max-width: 902px) 100vw, 902px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"902\" height=\"1280\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2023\/10\/image-10.png\" alt=\"\" class=\"wp-image-5959\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2023\/10\/image-10.png 902w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2023\/10\/image-10-768x1090.png 768w\" sizes=\"auto, (max-width: 902px) 100vw, 902px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>[2, 4, 1, 3] [3, 1, 4, 2]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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