\ud68c\uc758\uc2e4 \uad00\ub9ac \uc2dc\uc2a4\ud15c\uc740 \uc5ec\ub7ec \uac1c\uc758 \ud68c\uc758\uc2e4\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \ud68c\uc758 \uc77c\uc815\uc5d0 \ub530\ub77c \ud68c\uc758\uc2e4\uc744 \ubc30\uc815\ud558\ub294 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \uc8fc\uc5b4\uc9c4 \ud68c\uc758\uc758 \uc2dc\uc791 \uc2dc\uac04\uacfc \uc885\ub8cc \uc2dc\uac04\uc774 \uc8fc\uc5b4\uc9c8 \ub54c, \ud68c\uc758\uc2e4\uc744 \ucd5c\ub300\ud55c \ud6a8\uc728\uc801\uc73c\ub85c \ubc30\uc815\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc744 \uc81c\uc2dc\ud558\uc138\uc694.<\/p>\n
\ud2b9\uc815 \ud68c\uc758\uac00 \uc2dc\uc791\ub420 \ub54c, \ub2e4\ub978 \ud68c\uc758\uac00 \uc9c4\ud589 \uc911\uc774\uc9c0 \uc54a\uc740 \ud68c\uc758\uc2e4\uc744 \ucc3e\uc544\uc57c \ud569\ub2c8\ub2e4. \ud68c\uc758\uc2e4 \ubc30\uc815 \ubb38\uc81c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc785\ub825\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4:<\/p>\n
n<\/code><\/li>\n- \ud68c\uc758\uc758 \uc2dc\uc791 \ubc0f \uc885\ub8cc \uc2dc\uac04\uc744 \ud3ec\ud568\ud55c \ubc30\uc5f4
meetings<\/code>\ub85c, \uac01 \ud68c\uc758\ub294 \uc2dc\uc791 \uc2dc\uac04\uacfc \uc885\ub8cc \uc2dc\uac04\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\uc785\ub825<\/h3>\n\nn = 3\nmeetings = [(0, 30), (5, 10), (15, 20)]\n<\/pre>\n\ucd9c\ub825<\/h3>\n\n\ud68c\uc758\uc2e4 \uc218: 2\n<\/pre>\n\ubb38\uc81c \ud574\uacb0 \uc811\uadfc\ubc95<\/h2>\n
\uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \ub2e4\uc74c \ub2e8\uacc4\ub97c \ub530\ub974\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n
\n- \ud68c\uc758\uc758 \uc2dc\uc791 \uc2dc\uac04\uacfc \uc885\ub8cc \uc2dc\uac04\uc744 \uae30\uc900\uc73c\ub85c \ud68c\uc758\uac00 \ub05d\ub098\ub294 \uc2dc\uac04\uc744 \uc815\ub82c\ud569\ub2c8\ub2e4.<\/li>\n
- \uac01 \ud68c\uc758\ub97c \ubc18\ubcf5\ud558\uba74\uc11c, \ud604\uc7ac \ud68c\uc758\uc758 \uc2dc\uc791 \uc2dc\uac04\uacfc \uc774\uc804 \ud68c\uc758\uc758 \uc885\ub8cc \uc2dc\uac04\uc744 \ube44\uad50\ud569\ub2c8\ub2e4.<\/li>\n
- \ud68c\uc758\uc2e4\uc774 \ud544\uc694\ud560 \uacbd\uc6b0 \ud68c\uc758\uc2e4\uc758 \uc218\ub97c \uc99d\uac00\uc2dc\ud0a4\uace0, \ud68c\uc758\uac00 \ub05d\ub098\uba74 \ud574\ub2f9 \ud68c\uc758\uc2e4\uc744 \ud574\uc81c\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n
\uc54c\uace0\ub9ac\uc998 \uad6c\ud604<\/h2>\n
\uc2a4\uc704\ud504\ud2b8\ub97c \uc774\uc6a9\ud558\uc5ec \ud68c\uc758\uc2e4 \ubc30\uc815 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \uc54c\uace0\ub9ac\uc998\uc744 \uad6c\ud604\ud558\uaca0\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc2e4\uc81c \uad6c\ud604 \ucf54\ub4dc\uc785\ub2c8\ub2e4:<\/p>\n
func<\/code> minMeetingRooms<\/code>(_<\/code> meetings: [[Int]]) -> Int {\n guard<\/code> meetings.count > 0 else<\/code> {\n return<\/code> 0\n }\n \n var<\/code> startTimes = meetings.map { $0[0] }\n var<\/code> endTimes = meetings.map { $0[1] }\n \n startTimes.sort()\n endTimes.sort()\n \n var<\/code> roomCount = 0\n var<\/code> endPointer = 0\n \n for<\/code> startTime in<\/code> startTimes {\n if<\/code> startTime < endTimes[endPointer] {\n roomCount += 1\n } else<\/code> {\n endPointer += 1\n }\n }\n \n return<\/code> roomCount\n}\n<\/pre>\n\ucf54\ub4dc \uc124\uba85<\/h2>\n
\uc704\uc758 \ucf54\ub4dc\ub294 \uc785\ub825\uc73c\ub85c \ubc1b\uc740 \ud68c\uc758 \uc2dc\uac04 \ubc30\uc5f4\uc5d0\uc11c \uac01 \ud68c\uc758\uc758 \uc2dc\uc791 \ubc0f \uc885\ub8cc \uc2dc\uac04\uc744 \ubd84\ub9ac\ud558\uc5ec \uc815\ub82c\ud569\ub2c8\ub2e4. \uc774 \ud6c4 \ub450 \ud3ec\uc778\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud68c\uc758\uc758 \uc2dc\uc791 \uc2dc\uac04\uacfc \uc885\ub8cc \uc2dc\uac04\uc744 \ube44\uad50\ud558\uba74\uc11c \ud544\uc694\ud55c \ud68c\uc758\uc2e4\uc758 \uc218\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n
\nguard<\/code> \uad6c\ubb38\uc744 \ud1b5\ud574 \ud68c\uc758\uac00 \uc5c6\ub294 \uacbd\uc6b0 0\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n- \ud68c\uc758\uc758 \uc2dc\uc791 \ubc0f \uc885\ub8cc \uc2dc\uac04\uc744 \uac01\uac01 \ucd94\ucd9c\ud558\uace0, \uc815\ub82c\ud569\ub2c8\ub2e4.<\/li>\n
- \uccab \ubc88\uc9f8 \ud3ec\uc778\ud130\ub294 \ub9e4 \ud68c\uc758\ub97c \ubc18\ubcf5\ud558\uba74\uc11c \uc2dc\uc791 \uc2dc\uac04\uc744 \ud655\uc778\ud558\uace0, \ub450 \ubc88\uc9f8 \ud3ec\uc778\ud130\ub294 \uc885\ub8cc \uc2dc\uac04\uc744 \ucd94\uc801\ud569\ub2c8\ub2e4.<\/li>\n
- \ub9cc\uc57d \uc2dc\uc791 \uc2dc\uac04\uc774 \uc885\ub8cc \uc2dc\uac04\ubcf4\ub2e4 \uc774\ub978 \uacbd\uc6b0, \uc0c8\ub85c\uc6b4 \ud68c\uc758\uc2e4\uc774 \ud544\uc694\ud558\ubbc0\ub85c
roomCount<\/code>\ub97c \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n- \ubaa8\ub4e0 \ud68c\uc758\uac00 \ucc98\ub9ac\ub41c \ud6c4 \ud544\uc694\ud55c \ud68c\uc758\uc2e4\uc758 \uc218\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n
\ubcf5\uc7a1\ub3c4 \ubd84\uc11d<\/h2>\n
\uc774 \uc54c\uace0\ub9ac\uc998\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ubcf5\uc7a1\ub3c4\ub97c \uac00\uc9d1\ub2c8\ub2e4:<\/p>\n
\n- \uc2dc\uac04 \ubcf5\uc7a1\ub3c4: O(n log n) – \uc2dc\uc791 \ubc0f \uc885\ub8cc \uc2dc\uac04\uc744 \uc815\ub82c\ud558\ub294 \ub370 O(n log n)\uc758 \uc2dc\uac04\uc774 \uc18c\uc694\ub429\ub2c8\ub2e4.<\/li>\n
- \uacf5\uac04 \ubcf5\uc7a1\ub3c4: O(n) – \ucd94\uac00\uc801\uc778 \uacf5\uac04\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud68c\uc758 \uc2dc\uc791 \ubc0f \uc885\ub8cc \uc2dc\uac04\uc744 \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n
\uacb0\ub860<\/h2>\n
\ud68c\uc758\uc2e4 \ubc30\uc815 \ubb38\uc81c\ub294 \uc5ec\ub7ec \ud68c\uc758\uac00 \uacb9\uce58\uc9c0 \uc54a\ub3c4\ub85d \uad00\ub9ac\ud558\ub294 \uc911\uc694\ud55c \ubb38\uc81c\uc785\ub2c8\ub2e4. \uc8fc\uc5b4\uc9c4 \uc54c\uace0\ub9ac\uc998\uc744 \ud1b5\ud574 \ud68c\uc758\uc2e4 \uc0ac\uc6a9\uc758 \ud6a8\uc728\uc131\uc744 \ub192\uc77c \uc218 \uc788\uc73c\uba70, \ucf54\ub529\ud14c\uc2a4\ud2b8\uc5d0\uc11c \uc790\uc8fc \ucd9c\uc81c\ub418\ub294 \ubb38\uc81c \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc2a4\uc704\ud504\ud2b8\ub85c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud558\uace0, \uc2e4\uc81c \ucf54\ub4dc\ub97c \uad6c\ud604\ud574 \ubcf4\uba74\uc11c \uc5f0\uc2b5\ud558\uba74 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n
\ucd94\uac00 \uc5f0\uc2b5 \ubb38\uc81c<\/h2>\n\n- \uacbd\uc6b0\uc5d0 \ub530\ub77c \uc885\ub8cc \uc2dc\uac04\uc774 \ub3d9\uc77c\ud55c \ud68c\uc758\uac00 \uc788\uc744 \ub54c \ucc98\ub9ac \ubc29\ubc95\uc744 \uacb0\uc815\ud574 \ubcf4\uc138\uc694.<\/li>\n
- \ud68c\uc758 \uc2dc\uac04\uc744 \ub79c\ub364\ud558\uac8c \uc0dd\uc131\ud574 \uc8fc\uc5b4\uc9c4 \ud68c\uc758 \uc218\uc5d0 \ub530\ub77c \ud68c\uc758\uc2e4 \ubc30\uc815\uc744 \ud14c\uc2a4\ud2b8 \ud574 \ubcf4\uc138\uc694.<\/li>\n<\/ul>\n
\uc774 \uac8c\uc2dc\ubb3c\uc774 \uc5ec\ub7ec\ubd84\uc5d0\uac8c \ub3c4\uc6c0\uc774 \ub418\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub97c \ud1b5\ud574 \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c \ud574\uacb0 \ub2a5\ub825\uc744 \ub354\uc6b1 \ud5a5\uc0c1\uc2dc\ud0a4\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4!<\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"