\uc548\ub155\ud558\uc138\uc694, \uc5ec\ub7ec\ubd84! \uc624\ub298\uc740 \uc808\ub313\uac12 \ud799<\/strong>\uc744 \uad6c\ud604\ud558\ub294 \ubb38\uc81c\ub97c \ud574\uacb0\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c\ub97c \ud480\uace0, \uadf8 \uacfc\uc815\uc5d0\uc11c C#\uc758 \uae30\ub2a5\uc744 \ud65c\uc6a9\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc55e\uc11c \uc5b8\uae09\ud55c ‘\uc808\ub313\uac12 \ud799’\uc740 \ud799 \uad6c\uc870\ub97c \uc774\uc6a9\ud558\uc5ec \uc808\ub313\uac12\uc744 \uae30\uc900\uc73c\ub85c \uc815\ub82c\ub418\ub294 \ud2b9\uc218\ud55c \ud799\uc785\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c\uc5d0\uc11c \uc790\uc8fc \ub4f1\uc7a5\ud558\ub294 \uc8fc\uc81c\uc785\ub2c8\ub2e4.<\/p>\n \uc808\ub313\uac12 \ud799\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uae30\ub2a5\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4:<\/p>\n \uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c\uacfc \uac19\uc740 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n \uc704 \uc791\uc5c5\uc758 \uacb0\uacfc\ub85c \uc0ad\uc81c\ub418\ub294 \uac12\uc740 -1\uc774 \ub429\ub2c8\ub2e4. \uc774\ub97c \uc885\ud569\ud558\uc5ec \ud480\uc5b4\uc57c \ud560 \ubb38\uc81c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n \uc808\ub313\uac12 \ud799 \uae30\ub2a5\uc744 \uad6c\ud604\ud558\ub77c. N\uac1c\uc758 \uc5f0\uc0b0\uc774 \uc8fc\uc5b4\uc9c0\uace0, \uac01\uac01\uc758 \uc5f0\uc0b0\uc5d0 \ub300\ud574 \uc54c\ub9de\uc740 \ucd9c\ub825\uc744 \ud558\ub3c4\ub85d \ud558\ub77c. <\/p>\n \uc785\ub825\uc73c\ub85c\ub294 \uc5ec\ub7ec \uac1c\uc758 \uc815\uc218\uac00 \uc8fc\uc5b4\uc9c0\uba70, \uac01 \uc815\uc218\ub294 \ub2e4\uc74c\uc758 \uc138 \uac00\uc9c0 \uc5f0\uc0b0\uc744 \uc758\ubbf8\ud55c\ub2e4:<\/p>\n \uccab \ubc88\uc9f8 \uc904\uc5d0 \uc5f0\uc0b0\uc758 \uac1c\uc218 \uadf8 \ub2e4\uc74c \uc0ad\uc81c\ub41c \uc22b\uc790\ub97c \ud55c \uc904\uc5d0 \ud558\ub098\uc529 \ucd9c\ub825\ud55c\ub2e4. \uc0ad\uc81c\ud560 \uc218 \uc788\ub294 \uc22b\uc790\uac00 \uc5c6\ub294 \uacbd\uc6b0 \uc774\uc81c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud55c C# \ucf54\ub4dc\ub97c \uc791\uc131\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ubcf8 \ubb38\uc81c\uc5d0\uc11c\ub294 Priority Queue<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc808\ub313\uac12 \ud799\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n \uc6b0\uc120\uc21c\uc704 \ud050\ub294 \uac01 \uc694\uc18c\uac00 \uc6b0\uc120 \uc21c\uc704\ub97c \uac00\uc9c0\uace0, \uc774 \uacbd\uc6b0 \ud799 \uad6c\uc870\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. C#\uc5d0\uc11c\ub294 \uc544\ub798\ub294 \uc808\ub313\uac12 \ud799\uc744 \uad6c\ud604\ud55c C# \ucf54\ub4dc\uc785\ub2c8\ub2e4:<\/p>\n \uc704 \ucf54\ub4dc\ub294 \uc808\ub313\uac12 \ud799\uc744 \uad6c\ud604\ud558\ub294 \uac04\ub2e8\ud55c \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc8fc\uc694 \ub2e8\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n \uc774 \uc54c\uace0\ub9ac\uc998\uc740 \ub85c\uadf8 \ubcf5\uc7a1\ub3c4\ub85c \uc808\ub313\uac12\uc744 \uae30\uc900\uc73c\ub85c \uc785\ub825\uac12\uc744 \uc800\uc7a5\ud558\uace0 \uc0ad\uc81c\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubcf5\uc7a1\ub3c4\ub294 O(N log N)\uc785\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uacbd\uc6b0, \uc774 \uc815\ub3c4\uc758 \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\ub294 \uc785\ub825 \uc81c\ud55c\uc5d0 \ubd80\ud569\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n \uc774\ubc88 \ud3ec\uc2a4\ud305\uc5d0\uc11c\ub294 \uc808\ub313\uac12 \ud799\uc744 \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \ubc30\uc6e0\uc2b5\ub2c8\ub2e4. C#\uc758 \ud2b9\uc9d5\uc778 SortedSet\uc744 \ud65c\uc6a9\ud558\uc5ec \ub9c8\uc8fc\uce58\ub294 \ubb38\uc81c\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ud574\uacb0\ud560 \uc218 \uc788\uc74c\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c\ub97c \ud480 \ub54c\ub294 \ubb38\uc81c\uc758 \uc694\uad6c\uc0ac\ud56d\uc744 \uc798 \uc77d\uace0, \uc801\uc808\ud55c \uc790\ub8cc\uad6c\uc870\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uc2dc\uac04\uc5d0\ub3c4 \ud765\ubbf8\ub85c\uc6b4 \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c\ub85c \ucc3e\uc544\ubd59\uaca0\uc2b5\ub2c8\ub2e4!<\/p>\n <\/body><\/p>\n","protected":false},"excerpt":{"rendered":"\ubb38\uc81c \uc124\uba85<\/h2>\n
\n
\n1. \uc0bd\uc785: 3\n2. \uc0bd\uc785: -1\n3. \uc0bd\uc785: -2\n4. \uc0ad\uc81c\n<\/pre>\n
\n
\ubb38\uc81c<\/h3>\n
\n
0<\/code>: \uc808\ub313\uac12 \ud799\uc5d0\uc11c \uc808\ub313\uac12\uc774 \uac00\uc7a5 \uc791\uc740 \uc218\ub97c \uc0ad\uc81c\ud558\uace0 \ucd9c\ub825\ud55c\ub2e4.<\/li>\nX<\/code>: \uc815\uc218 X<\/code>\ub97c \uc808\ub313\uac12 \ud799\uc5d0 \uc0bd\uc785\ud55c\ub2e4.<\/li>\n<\/ul>\n<\/blockquote>\n\uc785\ub825 \ubc0f \ucd9c\ub825<\/h2>\n
\uc785\ub825<\/h3>\n
N<\/code>\uc774 \uc8fc\uc5b4\uc9d1\ub2c8\ub2e4. (1 \u2264 N \u2264 100,000)<\/p>\nN<\/code>\uc904\uc5d0 \uac78\uccd0 \uc5f0\uc0b0\uc774 \uc8fc\uc5b4\uc9d1\ub2c8\ub2e4. \uac01 \uc5f0\uc0b0\uc740 X<\/code> (-1,000,000 \u2264 X<\/code> \u2264 1,000,000) \ub610\ub294 0<\/code>\uc785\ub2c8\ub2e4.<\/p>\n\ucd9c\ub825<\/h3>\n
0<\/code>\uc744 \ucd9c\ub825\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\ubb38\uc81c \ud480\uc774<\/h2>\n
\uc6b0\uc120\uc21c\uc704 \ud050(Heap) \uc124\uba85<\/h3>\n
SortedSet<\/code> \ub610\ub294 PriorityQueue<\/code>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\nC# \ucf54\ub4dc \uad6c\ud604<\/h3>\n
\nusing System;\nusing System.Collections.Generic;\nusing System.Linq;\n\nclass AbsoluteHeap\n{\n static void Main()\n {\n int n = int.Parse(Console.ReadLine());\n var pq = new SortedSet<(int absolute, int value)>();\n\n for (int i = 0; i < n; i++)\n {\n int x = int.Parse(Console.ReadLine());\n if (x == 0)\n {\n if (pq.Count == 0)\n {\n Console.WriteLine(0);\n }\n else\n {\n var min = pq.First();\n pq.Remove(min);\n Console.WriteLine(min.value);\n }\n }\n else\n {\n pq.Add((Math.Abs(x), x));\n }\n }\n }\n}\n<\/code><\/pre>\n\ucf54\ub4dc \uc124\uba85<\/h2>\n
\n
SortedSet<\/code>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc544\ub798\uc640 \uac19\uc740 tuple\uc744 \uc800\uc7a5\ud569\ub2c8\ub2e4: (\uc808\ub313\uac12, \uc2e4\uc81c \uac12). \uc5ec\uae30\uc11c \uc808\ub313\uac12\uc744 \uae30\uc900\uc73c\ub85c \uc815\ub82c\ud558\uba70, \uc808\ub313\uac12\uc774 \ub3d9\uc77c\ud560 \uacbd\uc6b0 \uc2e4\uc81c \uac12\uc73c\ub85c \uc815\ub82c\ud569\ub2c8\ub2e4.<\/li>\nSortedSet<\/code>\uc5d0\uc11c \ucd5c\uc19f\uac12\uc744 \uc0ad\uc81c\ud558\uace0 \ucd9c\ub825\ud569\ub2c8\ub2e4. \uac12\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc73c\uba74 0\uc744 \ucd9c\ub825\ud569\ub2c8\ub2e4. x\uac00 0\uc774 \uc544\ub2cc \uacbd\uc6b0, \uc808\ub313\uac12\uacfc \uc2e4\uc81c \uac12\uc744 \ud29c\ud50c \ud615\ud0dc\ub85c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\ud6a8\uc728\uc131<\/h3>\n
\uacb0\ub860<\/h2>\n