{"id":28168,"date":"2024-10-27T15:32:18","date_gmt":"2024-10-27T15:32:18","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=28168"},"modified":"2024-11-26T07:07:21","modified_gmt":"2024-11-26T07:07:21","slug":"%ec%8a%a4%ec%9c%84%ed%94%84%ed%8a%b8-%ec%bd%94%eb%94%a9%ed%85%8c%ec%8a%a4%ed%8a%b8-%ea%b0%95%ec%a2%8c-%eb%b0%b0%ec%97%b4%ea%b3%bc-%eb%a6%ac%ec%8a%a4%ed%8a%b8","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/28168\/","title":{"rendered":"\uc2a4\uc704\ud504\ud2b8 \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \ubc30\uc5f4\uacfc \ub9ac\uc2a4\ud2b8"},"content":{"rendered":"

<\/p>\n

\uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 \uc2a4\uc704\ud504\ud2b8 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubc30\uc5f4\uacfc \ub9ac\uc2a4\ud2b8\ub97c \ud65c\uc6a9\ud55c \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c\ub97c \ub2e4\ub8e8\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ubc30\uc5f4\uc740 \ub3d9\uc77c\ud55c \ud0c0\uc785\uc758 \uc5ec\ub7ec \ub370\uc774\ud130\ub97c \ub2f4\uc744 \uc218 \uc788\ub294 \uc790\ub8cc\uad6c\uc870\uc774\uba70, \ub9ac\uc2a4\ud2b8\ub294 \uc5f0\uc18d\uc801\uc778 \uba54\ubaa8\ub9ac \uacf5\uac04\uc5d0 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \uad6c\uc870\uc785\ub2c8\ub2e4. \ubc30\uc5f4\uacfc \ub9ac\uc2a4\ud2b8\uc758 \uc131\uc9c8\uc744 \uc774\ud574\ud558\uba74 \ub2e4\uc591\ud55c \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ub370\uc5d0 \ud070 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n

\ubb38\uc81c \uc124\uba85<\/h2>\n

\ubb38\uc81c 1: \ub450 \ubc30\uc5f4\uc758 \uad50\uc9d1\ud569<\/h3>\n

\uc8fc\uc5b4\uc9c4 \ub450 \ubc30\uc5f4\uc5d0\uc11c \uacf5\ud1b5\ub41c \uc694\uc18c\ub97c \ucc3e\uc544 \uad50\uc9d1\ud569\uc744 \uad6c\ud558\ub294 \ud568\uc218\ub97c \uc791\uc131\ud558\uc2dc\uc624. \ubc30\uc5f4\uc5d0 \uc911\ubcf5\ub41c \uc694\uc18c\uac00 \uc788\uc744 \uc218 \uc788\uc73c\uba70, \uacb0\uacfc \ubc30\uc5f4\uc5d0\ub294 \uc911\ubcf5\ub41c \uc694\uc18c\ub97c \ud3ec\ud568\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud558\uc5ec\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c\uacfc \uac19\uc740 \ub450 \ubc30\uc5f4\uc774 \uc8fc\uc5b4\uc9c4\ub2e4\uace0 \uac00\uc815\ud569\uc2dc\ub2e4.<\/p>\n

\nlet array1 = [1, 2, 3, 4, 5]\nlet array2 = [4, 5, 6, 7, 8]\n<\/pre>\n
\uc774 \uacbd\uc6b0, \ud568\uc218\uc758 \ucd9c\ub825\uc740 [4, 5]\uac00 \ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
\ubb38\uc81c \ud574\uacb0 \uacfc\uc815<\/h2>\n
\ubb38\uc81c \ubd84\uc11d<\/h3>\n
\uc774 \ubb38\uc81c\uc5d0 \uc811\uadfc\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub450 \ubc30\uc5f4\uc758 \uc694\uc18c\ub97c \ube44\uad50\ud558\uc5ec \uacf5\ud1b5\ub41c \uc694\uc18c\ub97c \ucc3e\ub294 \uc54c\uace0\ub9ac\uc998\uc744 \uc0dd\uac01\ud574\uc57c \ud569\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc778 \uc811\uadfc \ubc29\ubc95\uc740 \ub450 \ubc30\uc5f4\uc744 \ubc18\ubcf5\ubb38\uc73c\ub85c \ud0d0\uc0c9\ud558\uc5ec \uacf5\ud1b5\ub41c \uc694\uc18c\ub97c \ucc3e\ub294 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774 \ubc29\ubc95\uc740 \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\uac00 O(n^2)\uac00 \ub418\uc5b4 \uc131\ub2a5\uc774 \ub5a8\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub354 \ud6a8\uc728\uc801\uc778 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
\ud6a8\uc728\uc801\uc778 \uc811\uadfc\ubc95<\/h3>\n
\ud6a8\uc728\uc131\uc744 \ub192\uc774\uae30 \uc704\ud574, \uc6b0\ub9ac\ub294 \uc138\ud2b8\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc138\ud2b8\ub294 \uac01 \uc694\uc18c\uac00 \uc720\uc77c\ud558\uac8c \uc800\uc7a5\ub420 \uc218 \uc788\ub294 \uc790\ub8cc\uad6c\uc870\ub85c, \ube60\ub978 \uac80\uc0c9 \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \ud574\uacb0 \uacfc\uc815\uc744 \uc694\uc57d\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n
    \n
  1. \uccab \ubc88\uc9f8 \ubc30\uc5f4\uc744 \uc138\ud2b8\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc774\ub294 O(n)\uc758 \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\ub97c \uac00\uc9d1\ub2c8\ub2e4.<\/li>\n
  2. \ub450 \ubc88\uc9f8 \ubc30\uc5f4\uc744 \ubc18\ubcf5\ud558\uba74\uc11c \uc138\ud2b8\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0\ub97c \uccb4\ud06c\ud569\ub2c8\ub2e4. \uc774 \ub610\ud55c O(m)\uc758 \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\ub97c \uac00\uc9d1\ub2c8\ub2e4.<\/li>\n
  3. \uacf5\ud1b5\ub41c \uc694\uc18c\ub97c \uc800\uc7a5\ud560 \uc0c8 \ubc30\uc5f4\uc744 \uc0dd\uc131\ud558\uc5ec \uacb0\uacfc\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n
    \ucf54\ub4dc \uad6c\ud604<\/h3>\n
    \uc544\ub798\ub294 \uc704\uc758 \uc811\uadfc \ubc29\ubc95\uc744 \ud1b5\ud574 \uc791\uc131\ud55c \uc2a4\uc704\ud504\ud2b8 \ucf54\ub4dc\uc785\ub2c8\ub2e4.<\/p>\n
    \nfunc intersection(array1: [Int], array2: [Int]) -> [Int] {\n    var set = Set(array1) \/\/ \uccab \ubc88\uc9f8 \ubc30\uc5f4\uc744 \uc138\ud2b8\ub85c \ubcc0\ud658\n    var result = [Int]() \/\/ \uacb0\uacfc\ub97c \ub2f4\uc744 \ubc30\uc5f4\n    \n    for element in array2 {\n        if set.contains(element) { \/\/ \ub450 \ubc88\uc9f8 \ubc30\uc5f4\uc758 \uc694\uc18c\uac00 \uc138\ud2b8\uc5d0 \ud3ec\ud568\ub418\uc5b4 \uc788\ub294\uc9c0 \ud655\uc778\n            result.append(element) \/\/ \ud3ec\ud568\ub418\uc5b4 \uc788\uc73c\uba74 \uacb0\uacfc \ubc30\uc5f4\uc5d0 \ucd94\uac00\n            set.remove(element) \/\/ \uc911\ubcf5\uc744 \ud53c\ud558\uae30 \uc704\ud574 \uc138\ud2b8\uc5d0\uc11c \uc81c\uac70\n        }\n    }\n    \n    return result\n}\n\n\/\/ \uc608\uc81c \uc2e4\ud589\nlet array1 = [1, 2, 3, 4, 5]\nlet array2 = [4, 5, 6, 7, 8]\nlet result = intersection(array1: array1, array2: array2)\nprint(result) \/\/ \ucd9c\ub825: [4, 5]\n<\/pre>\n
    \uc2dc\uac04 \ubcf5\uc7a1\ub3c4 \ubd84\uc11d<\/h3>\n
    \uc704\uc758 \ud574\uacb0 \ubc29\ubc95\uc758 \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\ub97c \ubd84\uc11d\ud574\ubcf4\uba74, \uccab \ubc88\uc9f8 \ubc30\uc5f4\uc744 \uc138\ud2b8\ub85c \ubcc0\ud658\ud558\ub294 \ub370 O(n)\uc774 \uc18c\uc694\ub418\uace0, \ub450 \ubc88\uc9f8 \ubc30\uc5f4\uc744 \ud0d0\uc0c9\ud558\ub294 \ub370 O(m)\uc774 \uc18c\uc694\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \ucd1d \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\ub294 O(n + m)\uc785\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \uae30\uc874\uc758 O(n^2) \ubc29\ubc95\ubcf4\ub2e4 \ud6e8\uc52c \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4.<\/p>\n
    \ubb38\uc81c\uc758 \ubcc0\ud615<\/h2>\n
    \uc704\uc758 \uae30\ubcf8 \ubb38\uc81c\ub97c \ubcc0\ud615\ud558\uc5ec, \ubc30\uc5f4\uc758 \uc694\uc18c\uac00 \uc815\ub82c\ub418\uc5b4 \uc788\uc744 \uacbd\uc6b0 \uc774\uc9c4 \ud0d0\uc0c9\uc744 \ud65c\uc6a9\ud574 \ud574\ub2f5\uc758 \uc131\ub2a5\uc744 \ub354\uc6b1 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc815\ub82c\ub41c \ubc30\uc5f4\uc5d0\uc11c \uc694\uc18c\ub97c \ucc3e\ub294 \uac83\uc740 O(log n)\uc758 \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\ub85c \uc131\ub2a5\uc744 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uc774\uc9c4 \ud0d0\uc0c9\uc758 \uac1c\ub150\uc744 \uc54c\uace0 \uc788\ub2e4\uba74 \uc774\ub97c \ud65c\uc6a9\ud558\uc5ec \ud0d0\uc0c9 \uc18d\ub3c4\ub97c \uac1c\uc120\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
    \ub9fa\uc74c\ub9d0<\/h2>\n
    \uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 \ubc30\uc5f4\uacfc \ub9ac\uc2a4\ud2b8\ub97c \ud65c\uc6a9\ud558\uc5ec \ub450 \ubc30\uc5f4\uc758 \uad50\uc9d1\ud569\uc744 \uad6c\ud558\ub294 \ubb38\uc81c\ub97c \ud574\uacb0\ud574\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \ubc30\uc5f4\uacfc \ub9ac\uc2a4\ud2b8\ub294 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uae30\ubcf8\uc801\uc778 \uc790\ub8cc\uad6c\uc870\ub85c, \uc774\ub97c \uc798 \uc774\ud574\ud558\uace0 \ud65c\uc6a9\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc55e\uc73c\ub85c\ub3c4 \ub2e4\uc591\ud55c \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c\ub97c \uc2dc\ub3c4\ud558\uc5ec \uc2e4\ub825\uc744 \ud0a4\uc6cc\ubcf4\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n