\uadf8\ub798\ud504\ub294 \uc218\ud559\uc801 \uac1d\uccb4\ub85c, \uc815\uc810<\/strong>(Vertex)\uc640 \uac04\uc120<\/strong>(Edge)\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \uadf8\ub798\ud504\ub294 \ub178\ub4dc\uc640 \uadf8 \ub178\ub4dc\ub97c \uc5f0\uacb0\ud558\ub294 \uac04\uc120\uc73c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub798\ud504\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ub450 \uac00\uc9c0 \ud615\ud0dc\ub85c \uad6c\ubd84\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n \uadf8\ub798\ud504\ub294 \uc5ec\ub7ec \uac00\uc9c0 \ubc29\ubc95\uc73c\ub85c \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n \uc774\uc81c \uadf8\ub798\ud504\ub97c \ud45c\ud604\ud558\ub294 \uc2e4\uc81c \ubb38\uc81c\ub97c \ud480\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n \uc815\uc810\uc758 \uac1c\uc218\uc640 \uac04\uc120\uc758 \uc815\ubcf4\ub97c \uc785\ub825\ubc1b\uc544, \uc8fc\uc5b4\uc9c4 \uc815\ubcf4\ub97c \ubc14\ud0d5\uc73c\ub85c \uadf8\ub798\ud504\ub97c \uc778\uc811 \ub9ac\uc2a4\ud2b8\uc640 \uc778\uc811 \ud589\ub82c \ud615\ud0dc\ub85c \ud45c\ud604\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \uc791\uc131\ud558\uc2dc\uc624.<\/p>\n \uc785\ub825 \ud615\uc2dd:<\/p>\n \ucd9c\ub825 \ud615\uc2dd:<\/p>\n \uccab \ubc88\uc9f8 \uc904\uc5d0 \uc778\uc811 \ub9ac\uc2a4\ud2b8, \ub450 \ubc88\uc9f8 \uc904\uc5d0 \uc778\uc811 \ud589\ub82c\uc744 \ucd9c\ub825\ud558\uc2dc\uc624. \uac01 \uc815\uc810\uc740 1\ubd80\ud130 \uc2dc\uc791\ud55c\ub2e4.<\/p>\n<\/blockquote>\n \uc704 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \ud480\uc5b4\uc57c \ud560 \ub2e8\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n \uba3c\uc800, \uc0ac\uc6a9\uc790\ub85c\ubd80\ud130 \uc815\uc810\uacfc \uac04\uc120 \uc815\ubcf4\ub97c \uc785\ub825\ubc1b\uc2b5\ub2c8\ub2e4. \ud30c\uc774\uc36c\uc758 \uc778\uc811 \ub9ac\uc2a4\ud2b8\ub294 \ub9ac\uc2a4\ud2b8\uc758 \ub9ac\uc2a4\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac01 \uc815\uc810\uc5d0 \uc5f0\uacb0\ub41c \uc815\uc810\ub4e4\uc744 \uc800\uc7a5\ud569\ub2c8\ub2e4. \uc774\ub54c, \uc815\uc810\uc758 \ubc88\ud638\ub294 1\ubd80\ud130 \uc2dc\uc791\ud558\ubbc0\ub85c \ub9ac\uc2a4\ud2b8\uc758 \uc778\ub371\uc2a4\uc640 \ub9de\ucd94\uae30 \uc704\ud574 \ubbf8\ub9ac \ube48 \ub9ac\uc2a4\ud2b8\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n \uc778\uc811 \ud589\ub82c\uc740 2\ucc28\uc6d0 \ubc30\uc5f4\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc815\uc810 \uac04\uc758 \uc5f0\uacb0 \uc5ec\ubd80\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4. \ucd08\uae30\uac12\uc740 0\uc73c\ub85c \uc124\uc815\ud558\uace0, \uac04\uc120\uc774 \uc874\uc7ac\ud558\ub294 \uacbd\uc6b0\uc5d0\ub294 1\ub85c \uc124\uc815\ud569\ub2c8\ub2e4. \ubb34\ud5a5 \uadf8\ub798\ud504\uc778 \uacbd\uc6b0 A-B\uc758 \uc5f0\uacb0\uc774 \uc788\uc744 \ub54c, \ud589\ub82c\uc758 (A, B)\uc640 (B, A) \ubaa8\ub450 \uc5c5\ub370\uc774\ud2b8\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n \ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc0dd\uc131\ub41c \uc778\uc811 \ub9ac\uc2a4\ud2b8\uc640 \uc778\uc811 \ud589\ub82c\uc744 \ucd9c\ub825\ud569\ub2c8\ub2e4.<\/p>\n \uc704 Python \ucf54\ub4dc\ub294 \uc544\ub798\uc758 \uc808\ucc28\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n \uc608\ub97c \ub4e4\uc5b4, 5\uac1c\uc758 \uc815\uc810\uacfc 6\uac1c\uc758 \uac04\uc120\uc774 \uc788\ub294 \uadf8\ub798\ud504\uc758 \uacbd\uc6b0 \uc785\ub825\uacfc \ucd9c\ub825\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n \uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 \uadf8\ub798\ud504\uc758 \uac1c\ub150\uacfc \ub2e4\uc591\ud55c \ud45c\ud604 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \ubb38\uc81c\ub97c \ud1b5\ud574 \uc778\uc811 \ub9ac\uc2a4\ud2b8\uc640 \uc778\uc811 \ud589\ub82c\uc744 \uc0dd\uc131\ud558\ub294 \ubc29\ubc95\ub3c4 \ubc30\uc6e0\uace0, \uc774\ub97c \uc2e4\uc81c\ub85c \uad6c\ud604\ud568\uc73c\ub85c\uc368 \uadf8\ub798\ud504\uc758 \uae30\ubcf8 \uad6c\uc870\ub97c \uc774\ud574\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\ub798\ud504 \ud0d0\uc0c9(DFS, BFS) \ub4f1 \ub354 \ub098\uc544\uac00 \ud574\uacb0\ud574\uc57c \ud560 \ubb38\uc81c\ub4e4\uc774 \ub9ce\uc73c\ub2c8, \uc774\ub97c \ud1a0\ub300\ub85c \ub2e4\uc74c \ub2e8\uacc4\ub85c \ub098\uc544\uac00\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n \uc54c\uace0\ub9ac\uc998 \uacf5\ubd80\ub97c \ud558\uba70 \ub2e4\uc591\ud55c \uadf8\ub798\ud504 \ubb38\uc81c\ub97c \ud480\uc5b4\ubcf4\uc138\uc694. \uac10\uc0ac\ud569\ub2c8\ub2e4!<\/p>\n <\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
\n \uadf8\ub798\ud504\ub294 \ub370\uc774\ud130 \uad6c\uc870\uc5d0\uc11c \ud575\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ud558\uba70, \uc5ec\ub7ec \ubcf5\uc7a1\ud55c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ub370 \ud6a8\uc728\uc801\uc778 \ubc29\uc2dd\uc785\ub2c8\ub2e4.
\n \uc774 \uae00\uc5d0\uc11c\ub294 \uadf8\ub798\ud504\uc758 \uae30\ubcf8 \uac1c\ub150\uc744 \uc124\uba85\ud558\uace0, \ud30c\uc774\uc36c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uadf8\ub798\ud504\ub97c \ud45c\ud604\ud558\uace0 \ud0d0\uc0c9\ud558\ub294 \ubc29\ubc95\uc744 \ub2e4\ub8f0 \uac83\uc785\ub2c8\ub2e4.<\/p>\n1. \uadf8\ub798\ud504\uc758 \uae30\ubcf8 \uac1c\ub150<\/h2>\n
\n
2. \uadf8\ub798\ud504\uc758 \ud45c\ud604 \ubc29\ubc95<\/h2>\n
\n
3. \ubb38\uc81c \ud480\uc774: \uadf8\ub798\ud504\uc758 \ud45c\ud604<\/h2>\n
\ubb38\uc81c \uc124\uba85<\/h3>\n
\n
\n
4. \ubb38\uc81c \ud574\uacb0 \uacfc\uc815<\/h3>\n
4.1. \uc785\ub825 \ucc98\ub9ac<\/h4>\n
input()<\/code> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc785\ub825\uc744 \ubc1b\uace0, \uc774\ub97c \uc801\uc808\ud55c \ud615\ud0dc\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/p>\n4.2. \uc778\uc811 \ub9ac\uc2a4\ud2b8 \uc0dd\uc131<\/h4>\n
4.3. \uc778\uc811 \ud589\ub82c \uc0dd\uc131<\/h4>\n
4.4. \uacb0\uacfc \ucd9c\ub825<\/h4>\n
5. \ucf54\ub4dc \uad6c\ud604<\/h3>\n
def graph_representation():\n # \uc785\ub825 \ubc1b\uae30\n N = int(input(\"\uc815\uc810\uc758 \uac1c\uc218\ub97c \uc785\ub825\ud558\uc138\uc694 (1 \u2264 N \u2264 100): \"))\n M = int(input(\"\uac04\uc120\uc758 \uac1c\uc218\ub97c \uc785\ub825\ud558\uc138\uc694 (1 \u2264 M \u2264 1000): \"))\n \n # \uc778\uc811 \ub9ac\uc2a4\ud2b8 \ucd08\uae30\ud654\n adj_list = [[] for _ in range(N + 1)]\n \n # \uc778\uc811 \ud589\ub82c \ucd08\uae30\ud654\n adj_matrix = [[0] * (N + 1) for _ in range(N + 1)]\n \n # \uac04\uc120 \uc815\ubcf4 \uc785\ub825\n for _ in range(M):\n A, B = map(int, input(\"\uac04\uc120 \uc815\ubcf4\ub97c \uc785\ub825\ud558\uc138\uc694 (A B): \").split())\n adj_list[A].append(B)\n adj_list[B].append(A) # \ubb34\ud5a5 \uadf8\ub798\ud504\n adj_matrix[A][B] = 1\n adj_matrix[B][A] = 1 # \ubb34\ud5a5 \uadf8\ub798\ud504\n \n # \uc778\uc811 \ub9ac\uc2a4\ud2b8 \ucd9c\ub825\n print(\"\uc778\uc811 \ub9ac\uc2a4\ud2b8:\")\n for i in range(1, N + 1):\n print(f\"{i}: {adj_list[i]}\")\n \n # \uc778\uc811 \ud589\ub82c \ucd9c\ub825\n print(\"\uc778\uc811 \ud589\ub82c:\")\n for i in range(1, N + 1):\n print(\" \".join(map(str, adj_matrix[i][1:])))\n \n# \ud568\uc218 \ud638\ucd9c\ngraph_representation()<\/code><\/pre>\n6. \ucf54\ub4dc \uc124\uba85<\/h3>\n
\n
7. \uc2e4\ud589 \uc608\uc2dc<\/h3>\n
\uc815\uc810\uc758 \uac1c\uc218\ub97c \uc785\ub825\ud558\uc138\uc694 (1 \u2264 N \u2264 100): 5\n\uac04\uc120\uc758 \uac1c\uc218\ub97c \uc785\ub825\ud558\uc138\uc694 (1 \u2264 M \u2264 1000): 6\n\uac04\uc120 \uc815\ubcf4\ub97c \uc785\ub825\ud558\uc138\uc694 (A B): 1 2\n\uac04\uc120 \uc815\ubcf4\ub97c \uc785\ub825\ud558\uc138\uc694 (A B): 1 3\n\uac04\uc120 \uc815\ubcf4\ub97c \uc785\ub825\ud558\uc138\uc694 (A B): 2 4\n\uac04\uc120 \uc815\ubcf4\ub97c \uc785\ub825\ud558\uc138\uc694 (A B): 3 4\n\uac04\uc120 \uc815\ubcf4\ub97c \uc785\ub825\ud558\uc138\uc694 (A B): 4 5\n\uac04\uc120 \uc815\ubcf4\ub97c \uc785\ub825\ud558\uc138\uc694 (A B): 2 5\n\uc778\uc811 \ub9ac\uc2a4\ud2b8:\n1: [2, 3]\n2: [1, 4, 5]\n3: [1, 4]\n4: [2, 3, 5]\n5: [2, 4]\n\uc778\uc811 \ud589\ub82c:\n0 1 1 0 0\n1 0 0 1 1\n1 0 0 1 0\n0 1 1 0 1\n0 1 0 1 0<\/code><\/pre>\n8. \ub9c8\ubb34\ub9ac<\/h3>\n