{"id":28069,"date":"2024-10-27T15:21:17","date_gmt":"2024-10-27T15:21:17","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=28069"},"modified":"2024-11-26T07:10:21","modified_gmt":"2024-11-26T07:10:21","slug":"%ec%9e%90%eb%b0%94%ec%8a%a4%ed%81%ac%eb%a6%bd%ed%8a%b8-%ec%bd%94%eb%94%a9%ed%85%8c%ec%8a%a4%ed%8a%b8-%ea%b0%95%ec%a2%8c-%ea%b2%bd%eb%a1%9c-%ec%b0%be%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/28069\/","title":{"rendered":"\uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8 \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uacbd\ub85c \ucc3e\uae30"},"content":{"rendered":"<div class=\"blog-post\">\n<p>\ucf54\ub529 \ud14c\uc2a4\ud2b8\ub294 \ub9ce\uc740 \uac1c\ubc1c\uc790\ub4e4\uc774 \uce58\ub974\uba70, \ub2e4\uc591\ud55c \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c\ub97c \ud1b5\ud574 \uc790\uc2e0\uc758 \ub2a5\ub825\uc744 \ud3c9\uac00\ubc1b\uc2b5\ub2c8\ub2e4. \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 &#8216;\uacbd\ub85c \ucc3e\uae30&#8217; \ubb38\uc81c\ub97c \ud1b5\ud55c \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c \ud574\uacb0 \uacfc\uc815\uc744 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 DFS(Depth-First Search) \ub610\ub294 BFS(Breadth-First Search)\uc640 \uac19\uc740 \uadf8\ub798\ud504 \ud0d0\uc0c9 \uae30\ubc95\uc744 \uc0ac\uc6a9\ud558\ub294 \ub370\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ubb38\uc81c \uc124\uba85<\/h2>\n<p>\uc8fc\uc5b4\uc9c4 2D \uaca9\uc790\uc5d0\uc11c \uc2dc\uc791\uc810\uc5d0\uc11c \ub3c4\ucc29\uc810\uc73c\ub85c \uac00\ub294 \uacbd\ub85c\ub97c \ucc3e\uc544\uc57c \ud569\ub2c8\ub2e4. \uaca9\uc790\uc758 \uac01 \uc140\uc740 \uc774\ub3d9\ud560 \uc218 \uc788\ub294\uc9c0 \uc5c6\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\uba70, \uc544\ub798\ub294 \ubb38\uc81c \uc870\uac74\uc785\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uaca9\uc790\ub294 N x M \ud06c\uae30\ub97c \uac00\uc9c4\ub2e4.<\/li>\n<li>\uac01 \uc140\uc740 0 \ub610\ub294 1\ub85c \ud45c\uc2dc\ub418\uba70, 0\uc740 \uc774\ub3d9\ud560 \uc218 \uc788\ub294 \uacbd\ub85c, 1\uc740 \ub9c9\ud78c \uacbd\ub85c\ub97c \ub73b\ud55c\ub2e4.<\/li>\n<li>\uc2dc\uc791\uc810\uc740 (0, 0)\uc774\uace0, \ub3c4\ucc29\uc810\uc740 (N-1, M-1)\uc774\ub2e4.<\/li>\n<li>\uc0c1\ud558\uc88c\uc6b0\ub85c \uc774\ub3d9\ud560 \uc218 \uc788\ub2e4.<\/li>\n<\/ul>\n<h2>\uc608\uc2dc \uc785\ub825<\/h2>\n<pre>\n    4 4\n    0 0 1 0\n    0 1 0 0\n    0 1 1 0\n    0 0 0 0\n    <\/pre>\n<h2>\uc608\uc2dc \ucd9c\ub825<\/h2>\n<pre>\n    Yes\n    <\/pre>\n<h2>\ubb38\uc81c \ud574\uacb0 \uacfc\uc815<\/h2>\n<p>\uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \uc6b0\ub9ac\uac00 \uc0ac\uc6a9\ud560 \uc54c\uace0\ub9ac\uc998\uc740 BFS\uc785\ub2c8\ub2e4. BFS\ub294 \uac01 \ub178\ub4dc\ub97c \ucc28\ub840\ub300\ub85c \ud0d0\uc0c9\ud560 \uc218 \uc788\uc5b4 \ucd5c\ub2e8 \uacbd\ub85c\ub97c \ucc3e\uae30\uc5d0 \uc720\ub9ac\ud569\ub2c8\ub2e4. \uc774\ub97c \uc218\ud589\ud558\uae30 \uc704\ud574 \uc544\ub798\uc640 \uac19\uc740 \ub2e8\uacc4\ub85c \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4:<\/p>\n<h3>1. \uaca9\uc790 \uacf5\uac04 \uc0dd\uc131<\/h3>\n<p>\uc785\ub825\ubc1b\uc740 \uaca9\uc790 \uc815\ubcf4\ub97c \ubc30\uc5f4\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uac01 \uc140\uc5d0 \ub300\ud55c \uc811\uadfc\uacfc \uc774\ub3d9\uc744 \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n<h3>2. BFS \ucd08\uae30\ud654<\/h3>\n<p>\uc2dc\uc791\uc810 (0, 0)\uc744 \ud050\uc5d0 \ucd94\uac00\ud569\ub2c8\ub2e4. \ucd94\uac00\uc801\uc73c\ub85c \ubc29\ubb38\ud55c \ub178\ub4dc\ub97c \ucd94\uc801\ud558\uae30 \uc704\ud574 \ucd94\uac00 \ubc30\uc5f4\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<h3>3. BFS \ud0d0\uc0c9 \uc218\ud589<\/h3>\n<p>\ud050\uac00 \ube44\uc5b4\uc788\uc9c0 \uc54a\uc740 \ub3d9\uc548 \ub2e4\uc74c\uc744 \ubc18\ubcf5\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ud050\uc5d0\uc11c \ub178\ub4dc\ub97c \uaebc\ub0b4 \ud604\uc7ac \uc704\uce58\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li>\ud604\uc7ac \uc704\uce58\uac00 \ub3c4\ucc29\uc810 (N-1, M-1)\uc778\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \ub9de\uc73c\uba74 &#8216;Yes&#8217;\ub97c \ucd9c\ub825\ud558\uace0 \ud0d0\uc0c9\uc744 \uc885\ub8cc\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc0c1\ud558\uc88c\uc6b0\ub85c \uc774\ub3d9\ud560 \uc218 \uc788\ub294 \ubaa8\ub4e0 \uc140\uc5d0 \ub300\ud574 \ub2e4\uc74c\uc744 \uc218\ud589\ud569\ub2c8\ub2e4:<\/li>\n<ul>\n<li>\uc140\uc758 \uacbd\uacc4 \uc870\uac74 \ubc0f \ubc29\ubb38 \uc5ec\ubd80\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc140\uc758 \uac12\uc774 0\uc774\uace0, \ubbf8\ubc29\ubb38 \uc0c1\ud0dc\ub77c\uba74 \ud050\uc5d0 \ucd94\uac00\ud558\uace0 \ubc29\ubb38 \uc0c1\ud0dc\ub85c \ubcc0\uacbd\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/ul>\n<p>\ubaa8\ub4e0 \ud0d0\uc0c9\uc774 \ub05d\ub09c \ud6c4\uc5d0\ub3c4 \ub3c4\ucc29\uc810\uc5d0 \ub3c4\ub2ec\ud558\uc9c0 \ubabb\ud588\ub2e4\uba74 &#8216;No&#8217;\ub97c \ucd9c\ub825\ud569\ub2c8\ub2e4.<\/p>\n<h3>4. \ucf54\ub4dc \uad6c\ud604<\/h3>\n<pre>\n    function canReachDestination(grid) {\n        const N = grid.length;\n        const M = grid[0].length;\n        const directions = [[1, 0], [-1, 0], [0, 1], [0, -1]];\n        const queue = [[0, 0]];\n        const visited = Array.from({length: N}, () =&gt; Array(M).fill(false));\n\n        visited[0][0] = true;\n\n        while (queue.length &gt; 0) {\n            const [x, y] = queue.shift();\n\n            \/\/ \ub3c4\ucc29\uc810 \ud655\uc778\n            if (x === N - 1 &amp;&amp; y === M - 1) {\n                return \"Yes\";\n            }\n\n            for (const [dx, dy] of directions) {\n                const nx = x + dx;\n                const ny = y + dy;\n\n                \/\/ \uacbd\uacc4\uc870\uac74\uacfc \ubc29\ubb38\uc5ec\ubd80 \ud655\uc778\n                if (nx &gt;= 0 &amp;&amp; ny &gt;= 0 &amp;&amp; nx &lt; N &amp;&amp; ny &lt; M &amp;&amp; \n                    !visited[nx][ny] &amp;&amp; grid[nx][ny] === 0) {\n                    visited[nx][ny] = true;\n                    queue.push([nx, ny]);\n                }\n            }\n        }\n        return \"No\";\n    }\n\n    const grid = [\n        [0, 0, 1, 0],\n        [0, 1, 0, 0],\n        [0, 1, 1, 0],\n        [0, 0, 0, 0]\n    ];\n    console.log(canReachDestination(grid)); \/\/ \uacb0\uacfc: \"Yes\"\n    <\/pre>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc774\ubc88 \ubb38\uc81c\ub97c \ud1b5\ud574 BFS \uc54c\uace0\ub9ac\uc998\uc744 \ud65c\uc6a9\ud55c \uacbd\ub85c \ucc3e\uae30 \ubb38\uc81c\ub97c \ud574\uacb0\ud574 \ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \ucf54\ub529 \ud14c\uc2a4\ud2b8\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \uc790\uc8fc \ub9cc\ub098\uac8c \ub418\ubbc0\ub85c, \uc5ec\ub7ec \uc54c\uace0\ub9ac\uc998\uc744 \uc5f0\uc2b5\ud558\uc5ec \ub2e4\uc591\ud55c \ubb38\uc81c\uc5d0 \ub300\ud55c \ud574\uacb0 \ub2a5\ub825\uc744 \uae30\ub974\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uac15\uc88c\uc5d0\uc11c\ub294 \ub2e4\ub978 \uc720\ud615\uc758 \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c\ub97c \ub2e4\ub904\ubcf4\ub3c4\ub85d \ud558\uaca0\uc2b5\ub2c8\ub2e4. \uac10\uc0ac\ud569\ub2c8\ub2e4!<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\ucf54\ub529 \ud14c\uc2a4\ud2b8\ub294 \ub9ce\uc740 \uac1c\ubc1c\uc790\ub4e4\uc774 \uce58\ub974\uba70, \ub2e4\uc591\ud55c \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c\ub97c \ud1b5\ud574 \uc790\uc2e0\uc758 \ub2a5\ub825\uc744 \ud3c9\uac00\ubc1b\uc2b5\ub2c8\ub2e4. \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 &#8216;\uacbd\ub85c \ucc3e\uae30&#8217; \ubb38\uc81c\ub97c \ud1b5\ud55c \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c \ud574\uacb0 \uacfc\uc815\uc744 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 DFS(Depth-First Search) \ub610\ub294 BFS(Breadth-First Search)\uc640 \uac19\uc740 \uadf8\ub798\ud504 \ud0d0\uc0c9 \uae30\ubc95\uc744 \uc0ac\uc6a9\ud558\ub294 \ub370\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \ubb38\uc81c \uc124\uba85 \uc8fc\uc5b4\uc9c4 2D \uaca9\uc790\uc5d0\uc11c \uc2dc\uc791\uc810\uc5d0\uc11c \ub3c4\ucc29\uc810\uc73c\ub85c \uac00\ub294 \uacbd\ub85c\ub97c \ucc3e\uc544\uc57c \ud569\ub2c8\ub2e4. \uaca9\uc790\uc758 \uac01 \uc140\uc740 \uc774\ub3d9\ud560 \uc218 \uc788\ub294\uc9c0 &hellip; <a href=\"https:\/\/atmokpo.com\/w\/28069\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;\uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8 \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uacbd\ub85c \ucc3e\uae30&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[26],"tags":[],"class_list":["post-28069","post","type-post","status-publish","format-standard","hentry","category-26"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - 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