\ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \ubc30\uc5f4\uc5d0\uc11c K\ubc88\uc9f8 \uc218\ub97c \ucc3e\ub294 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 \ucf54\ub529\ud14c\uc2a4\ud2b8\uc5d0\uc11c \uc790\uc8fc \ucd9c\uc81c\ub418\ub294 \uc720\ud615\uc73c\ub85c, \ud6a8\uc728\uc801\uc778 \uc54c\uace0\ub9ac\uc998 \uc124\uacc4 \ubc0f \uad6c\ud604 \ub2a5\ub825\uc744 \uae30\ub97c \uc218 \uc788\ub294 \uc88b\uc740 \uae30\ud68c\uac00 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
\uc8fc\uc5b4\uc9c4 \uc815\uc218 \ubc30\uc5f4\uacfc \uc815\uc218 K\uac00 \uc788\uc744 \ub54c, \ubc30\uc5f4\uc744 \uc624\ub984\ucc28\uc21c\uc73c\ub85c \uc815\ub82c\ud55c \ud6c4, K\ubc88\uc9f8 \uc218\ub97c \ucd9c\ub825\ud558\ub294 \ubb38\uc81c\uc785\ub2c8\ub2e4. \ubc30\uc5f4\uc758 \uc778\ub371\uc2a4\ub294 0\ubd80\ud130 \uc2dc\uc791\ud569\ub2c8\ub2e4. \uc989, K=1\uc77c \uacbd\uc6b0 \ub450 \ubc88\uc9f8\ub85c \uc791\uc740 \uc218\ub97c \ucc3e\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
K\ubc88\uc9f8 \uc218\ub97c \ucd9c\ub825\ud569\ub2c8\ub2e4.<\/p>\n
\uc785\ub825\n5\n3 1 2 5 4\n2\n\n\ucd9c\ub825\n2\n <\/code><\/pre>\n\uc608\uc81c 2<\/h3>\n\uc785\ub825\n6\n7 8 9 5 6 3\n1\n\n\ucd9c\ub825\n3\n <\/code><\/pre>\n\ubb38\uc81c \ubd84\uc11d<\/h2>\n
\uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574\uc11c\ub294 \ubc30\uc5f4\uc744 \uc815\ub82c\ud574\uc57c \ud569\ub2c8\ub2e4. \ubc30\uc5f4\uc744 \uc815\ub82c\ud55c \ud6c4 K\ubc88\uc9f8 \uc778\ub371\uc2a4\uc5d0 \uc704\uce58\ud55c \uac12\uc744 \ubc18\ud658\ud558\uba74 \ub429\ub2c8\ub2e4. \uc815\ub82c\uc758 \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\ub294 \ubc30\uc5f4\uc758 \ud06c\uae30 N\uc5d0 \ub300\ud574 O(N log N)\uc785\ub2c8\ub2e4. \uc774\ud6c4 K\ubc88\uc9f8 \uc218\ub97c \ucc3e\ub294 \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\ub294 O(1)\ub85c \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4.<\/p>\n
\uc54c\uace0\ub9ac\uc998 \uc811\uadfc<\/h2>\n\n- \ubc30\uc5f4\uc744 \uc785\ub825\ubc1b\ub294\ub2e4.<\/li>\n
- \ubc30\uc5f4\uc744 \uc624\ub984\ucc28\uc21c\uc73c\ub85c \uc815\ub82c\ud55c\ub2e4.<\/li>\n
- K\ubc88\uc9f8 \uc218\ub97c \ucd9c\ub825\ud55c\ub2e4.<\/li>\n<\/ol>\n
\uad6c\ud604<\/h2>\n
\uc774\uc81c Python \ucf54\ub4dc\ub97c \uc791\uc131\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc544\ub798\ub294 \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \uac04\ub2e8\ud55c \ucf54\ub4dc\uc785\ub2c8\ub2e4.<\/p>\n
def find_kth_number(arr, k):\n # \ubc30\uc5f4\uc744 \uc624\ub984\ucc28\uc21c\uc73c\ub85c \uc815\ub82c\n sorted_arr = sorted(arr)\n # K\ubc88\uc9f8 \uc218\ub97c \ubc18\ud658 (\uc778\ub371\uc2a4\uac00 0\ubd80\ud130 \uc2dc\uc791\ud558\ubbc0\ub85c k-1)\n return sorted_arr[k - 1]\n\n# \uc785\ub825 \ucc98\ub9ac\nN = int(input())\narr = list(map(int, input().split()))\nK = int(input())\n\n# K\ubc88\uc9f8 \uc218 \ucc3e\uae30\nresult = find_kth_number(arr, K)\nprint(result)\n <\/code><\/pre>\n\ucf54\ub4dc \uc124\uba85<\/h2>\n
\uc704 \ucf54\ub4dc\ub294 \uac04\ub2e8\ud558\uac8c \ud568\uc218 find_kth_number<\/code>\ub97c \uc815\uc758\ud558\uace0, \ubc30\uc5f4\uc744 \ubc1b\uc544\uc11c \uc815\ub82c\ud55c \ud6c4 K\ubc88\uc9f8 \uc218\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4. \uc778\ub371\uc2a4\ub97c \uc870\uc815\ud558\uae30 \uc704\ud574 k - 1<\/code>\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\uac00 \uc785\ub825\ud55c \ubc30\uc5f4 \ud06c\uae30, \ubc30\uc5f4\uc758 \uc694\uc18c, K \uac12\uc744 \uc21c\ucc28\uc801\uc73c\ub85c \ubc1b\uc544 \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n\uc131\ub2a5 \ubd84\uc11d<\/h2>\n
\uc774 \uc54c\uace0\ub9ac\uc998\uc740 O(N log N)\uc758 \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\ub97c \uac00\uc9c0\uba70, \uc77c\ubc18\uc801\uc73c\ub85c Python\uc758 \uae30\ubcf8 \uc815\ub82c \uc54c\uace0\ub9ac\uc998\uc778 Timsort\ub97c \ud65c\uc6a9\ud558\uc5ec \ucd5c\uc801\uc758 \uc131\ub2a5\uc744 \ubc1c\ud718\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\uac00 \ud06c\uc9c0 \uc54a\uac70\ub098 K \uac12\uc774 \uc791\uc740 \uacbd\uc6b0 \ub9e4\uc6b0 \ube60\ub978 \uc131\ub2a5\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n
\ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4<\/h2>\n
\uc81c\uc791\ud55c \ucf54\ub4dc\ub294 \ub2e4\uc591\ud55c \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\uc5d0\uc11c \uac80\uc99d\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\ub294 \uba87 \uac00\uc9c0 \ucd94\uac00 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\uc785\ub2c8\ub2e4.<\/p>\n
\ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4 1<\/h3>\n\uc785\ub825\n7\n10 7 8 6 5 4 3\n4\n\n\ucd9c\ub825\n6\n <\/code><\/pre>\n\ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4 2<\/h3>\n\uc785\ub825\n8\n20 30 10 40 50 5 2 1\n3\n\n\ucd9c\ub825\n10\n <\/code><\/pre>\n\uacb0\ub860<\/h2>\n
\uc774\ubc88 \uac15\uc88c\ub97c \ud1b5\ud574 \ubc30\uc5f4\uc5d0\uc11c K\ubc88\uc9f8 \uc218\ub97c \ucc3e\ub294 \uae30\ucd08\uc801\uc778 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6e0\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 \ucf54\ub529\ud14c\uc2a4\ud2b8\uc5d0\uc11c \uc790\uc8fc \ub4f1\uc7a5\ud558\uba70, \uc815\ub82c\uc758 \uae30\ubcf8 \uac1c\ub150\uacfc Python\uc758 \uae30\ubcf8 \ud568\uc218 \uc0ac\uc6a9\ubc95\uc744 \uc775\ud788\ub294 \ub370 \ub9e4\uc6b0 \uc720\uc6a9\ud569\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ubb38\uc81c\ub97c \ud480\uba74\uc11c \uc5ec\ub7ec\ubd84\uc758 \uc54c\uace0\ub9ac\uc998 \ub2a5\ub825\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uc138\uc694!<\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"