\uc624\ub298\uc740 \ud30c\uc774\uc36c\uc744 \ud65c\uc6a9\ud558\uc5ec \ud6a8\uacfc\uc801\uc73c\ub85c \ub370\uc774\ud130\ub97c \uc815\ub82c\ud558\ub294 \uc54c\uace0\ub9ac\uc998 \uc911 \ud558\ub098\uc778 \ud035 \uc815\ub82c<\/strong>\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud035 \uc815\ub82c\uc740 \ud3c9\uade0\uc801\uc73c\ub85c O(n log n)\uc758 \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\ub97c \uac00\uc9c0\uba70, \uc2e4\uc81c\ub85c\ub3c4 \ub9e4\uc6b0 \ube60\ub974\uace0 \ud6a8\uc728\uc801\uc778 \uc815\ub82c \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uc6b0\ub9ac\ub294 \ud035 \uc815\ub82c\uc758 \uc791\ub3d9 \uc6d0\ub9ac\uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf4\uace0, \ud30c\uc774\uc36c\uc73c\ub85c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n \ud035 \uc815\ub82c\uc740 \ubd84\ud560 \uc815\ubcf5 \uc54c\uace0\ub9ac\uc998\uc758 \uc77c\uc885\uc73c\ub85c, \ubc30\uc5f4\uc744 \ub450 \uac1c\uc758 \ud558\uc704 \ubc30\uc5f4\ub85c \ub098\ub204\uace0, \uac01\uac01\uc758 \ud558\uc704 \ubc30\uc5f4\uc744 \uc7ac\uadc0\uc801\uc73c\ub85c \uc815\ub82c\ud558\uc5ec \uc804\uccb4 \ubc30\uc5f4\uc744 \uc815\ub82c\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc758 \ud575\uc2ec\uc740 ‘\ud53c\ubc97’\uc774\ub77c\uace0 \ubd88\ub9ac\ub294 \uae30\uc900\uac12\uc744 \uc120\ud0dd\ud558\uc5ec, \ud574\ub2f9 \uac12\uc744 \uae30\uc900\uc73c\ub85c \ubc30\uc5f4\uc744 \ubd84\ud560\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n \ud53c\ubc97\uc744 \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc740 \uc5ec\ub7ec \uac00\uc9c0\uac00 \uc788\uc73c\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \uccab \ubc88\uc9f8 \uc694\uc18c, \ub9c8\uc9c0\ub9c9 \uc694\uc18c, \uc911\uac04 \uc694\uc18c \uc911 \ud558\ub098\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \ub354 \ub098\uc544\uac00 \ub79c\ub364\ud558\uac8c \ud53c\ubc97\uc744 \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\ub3c4 \uc788\uc73c\uba70, \uc774 \ubc29\ubc95\uc740 \ucd5c\uc545\uc758 \uacbd\uc6b0\uc5d0\ub3c4 O(n log n)\uc73c\ub85c \uc720\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n \uc8fc\uc5b4\uc9c4 \uc815\uc218 \ubc30\uc5f4\uc744 \uc785\ub825\uc73c\ub85c \ubc1b\uc544 \uc815\ub82c\ub41c \ubc30\uc5f4\uc744 \ucd9c\ub825\ud558\ub294 \ud568\uc218\ub97c \uc791\uc131\ud558\uc138\uc694. \ud035 \uc815\ub82c \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n \uc774\uc81c \ud035 \uc815\ub82c \uc54c\uace0\ub9ac\uc998\uc744 \ud30c\uc774\uc36c\uc73c\ub85c \uad6c\ud604\ud558\ub294 \uacfc\uc815\uc744 \ub2e8\uacc4\ubcc4\ub85c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n \uc6b0\uc120 \ud53c\ubc97\uc744 \uc120\ud0dd\ud558\uace0, \ud53c\ubc97\uc744 \uae30\uc900\uc73c\ub85c \ubc30\uc5f4\uc744 \ub098\ub204\ub294 \ud568\uc218\ub97c \uc791\uc131\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc774\ub7ec\ud55c \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \ucf54\ub4dc\uc785\ub2c8\ub2e4.<\/p>\n \uc774\uc81c \ubd84\ud560\ub41c \ubc30\uc5f4\uc744 \uc7ac\uadc0\uc801\uc73c\ub85c \uc815\ub82c\ud558\ub294 \ud568\uc218\ub97c \uad6c\ud604\ud569\ub2c8\ub2e4.<\/p>\n \uc704\uc5d0\uc11c \uc791\uc131\ud55c \ud568\uc218\ub97c \uc774\uc6a9\ud558\uc5ec \uc804\uccb4 \ud035 \uc815\ub82c \ucf54\ub4dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n \uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 \ud30c\uc774\uc36c\uc744 \uc774\uc6a9\ud55c \ud035 \uc815\ub82c \uc54c\uace0\ub9ac\uc998\uc758 \uad6c\ud604 \uacfc\uc815\uc744 \uc0b4\ud3b4\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \ud035 \uc815\ub82c\uc740 \ub9ce\uc740 \uc0c1\ud669\uc5d0\uc11c \ud6a8\uacfc\uc801\uc778 \uc815\ub82c \ubc29\ubc95\uc774\uc9c0\ub9cc, \uc0ac\uc6a9 \uc2dc \uc8fc\uc758\ud560 \uc810\ub3c4 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc54c\uace0\ub9ac\uc998\uc758 \uc131\uc9c8\uc744 \uc774\ud574\ud558\uace0, \uc801\uc808\ud55c \uc0c1\ud669\uc5d0\uc11c \uc62c\ubc14\ub974\uac8c \uc801\uc6a9\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n \ud035 \uc815\ub82c\uc744 \uc774\ud574\ud558\ub294 \ub370 \ub9ce\uc740 \ub3c4\uc6c0\uc774 \ub418\uc5c8\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4. \ub2e4\uc74c \uac15\uc88c\uc5d0\uc11c\ub294 \ub2e4\ub978 \uc815\ub82c \uc54c\uace0\ub9ac\uc998\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\ub3c4\ub85d \ud558\uaca0\uc2b5\ub2c8\ub2e4. \uac10\uc0ac\ud569\ub2c8\ub2e4!<\/p>\n <\/body><\/p>\n","protected":false},"excerpt":{"rendered":"2. \ud035 \uc815\ub82c\uc774\ub780?<\/h2>\n
2.1 \ud035 \uc815\ub82c\uc758 \ub2e8\uacc4<\/h3>\n
\n
2.2 \ud53c\ubc97 \uc120\ud0dd<\/h3>\n
3. \ubb38\uc81c \ud480\uc774<\/h2>\n
3.1 \ubb38\uc81c \uc124\uba85<\/h3>\n
3.2 \ubb38\uc81c \uc785\ub825 \ubc0f \ucd9c\ub825 \ud615\uc2dd<\/h3>\n
\n
arr = [3, 6, 8, 10, 1, 2, 1]<\/code><\/li>\n[1, 1, 2, 3, 6, 8, 10]<\/code><\/li>\n<\/ul>\n3.3 \ud480\uc774 \uacfc\uc815<\/h3>\n
3.3.1 \ud53c\ubc97 \uc120\ud0dd \ubc0f \ubc30\uc5f4 \ubd84\ud560<\/h4>\n
\n
def partition(arr, low, high):\n pivot = arr[high]\n i = low - 1\n \n for j in range(low, high):\n if arr[j] <= pivot:\n i += 1\n arr[i], arr[j] = arr[j], arr[i]\n \n arr[i + 1], arr[high] = arr[high], arr[i + 1]\n return i + 1<\/code>\n <\/pre>\n3.3.2 \ud035 \uc815\ub82c \ud568\uc218 \uad6c\ud604<\/h4>\n
\n
def quick_sort(arr, low, high):\n if low < high:\n pi = partition(arr, low, high)\n quick_sort(arr, low, pi - 1)\n quick_sort(arr, pi + 1, high)<\/code>\n <\/pre>\n3.3.3 \uc804\uccb4 \ucf54\ub4dc<\/h4>\n
\n
def partition(arr, low, high):\n pivot = arr[high]\n i = low - 1\n \n for j in range(low, high):\n if arr[j] <= pivot:\n i += 1\n arr[i], arr[j] = arr[j], arr[i]\n \n arr[i + 1], arr[high] = arr[high], arr[i + 1]\n return i + 1\n\n def quick_sort(arr, low, high):\n if low < high:\n pi = partition(arr, low, high)\n quick_sort(arr, low, pi - 1)\n quick_sort(arr, pi + 1, high)\n\n arr = [3, 6, 8, 10, 1, 2, 1]\n quick_sort(arr, 0, len(arr) - 1)\n print(\"\uc815\ub82c\ub41c \ubc30\uc5f4:\", arr)<\/code>\n <\/pre>\n4. \ud035 \uc815\ub82c\uc758 \uc7a5\uc810\uacfc \ub2e8\uc810<\/h2>\n
4.1 \uc7a5\uc810<\/h3>\n
\n
4.2 \ub2e8\uc810<\/h3>\n
\n
5. \uacb0\ub860<\/h2>\n