{"id":26964,"date":"2024-10-27T11:54:04","date_gmt":"2024-10-27T11:54:04","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=26964"},"modified":"2024-11-26T07:25:04","modified_gmt":"2024-11-26T07:25:04","slug":"%ec%9e%90%eb%b0%94-%ec%bd%94%eb%94%a9%ed%85%8c%ec%8a%a4%ed%8a%b8-%ea%b0%95%ec%a2%8c-%ed%9a%a8%ec%9c%a8%ec%a0%81%ec%9c%bc%eb%a1%9c-%ed%95%b4%ed%82%b9%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/26964\/","title":{"rendered":"\uc790\ubc14 \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \ud6a8\uc728\uc801\uc73c\ub85c \ud574\ud0b9\ud558\uae30"},"content":{"rendered":"

<\/p>\n

\uc548\ub155\ud558\uc138\uc694! \uc624\ub298\uc740 \uc790\ubc14\ub97c \uc774\uc6a9\ud55c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c\ub97c \ud1b5\ud574 \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c\ub97c \ud480\uc5b4\ubd24\uc2b5\ub2c8\ub2e4. \ud2b9\ud788 ‘\ud574\ud0b9’\uc774 \uc8fc\uc81c\uac00 \ub418\ub294 \ubb38\uc81c\ub97c \uc18c\uac1c\ud558\uace0, \uc774\ub97c \ud574\uacb0\ud558\ub294 \uacfc\uc815\uc744 \ub2e8\uacc4\ubcc4\ub85c \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \uac15\uc88c\ub294 \uc790\ubc14 \uc5b8\uc5b4\ub97c \uc8fc\ub85c \uc0ac\uc6a9\ud558\ub294 \uc0ac\ub78c\ub4e4\uc744 \ub300\uc0c1\uc73c\ub85c \ud558\uba70, \uc54c\uace0\ub9ac\uc998 \ubb38\uc81c \ud480\uc774 \ub2a5\ub825\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud55c \ub0b4\uc6a9\uc744 \ud3ec\ud568\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n

\ubb38\uc81c \uc124\uba85<\/h2>\n

\ubb38\uc81c\uc758 \uc81c\ubaa9: \ud574\ucee4\uc758 \ube44\ubc00\ubc88\ud638<\/strong><\/p>\n

\ud574\ucee4\uac00 \uc791\uc740 \ud68c\uc0ac\uc758 \uc11c\ubc84\uc5d0 \uce68\uc785\ud558\uae30 \uc704\ud574 \ube44\ubc00\ubc88\ud638\ub97c \uc54c\uc544\ub0b4\ub824\uace0 \ud569\ub2c8\ub2e4. \ub2e4\ud589\ud788\ub3c4 \ud574\ucee4\ub294 \uc77c\ub828\uc758 \uc774\uc804 \ube44\ubc00\ubc88\ud638\ub4e4\uc744 \uc54c\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ube44\ubc00\ubc88\ud638\ub4e4\uc740 \uc11c\ub85c \ub2e4\ub978 \uc54c\ud30c\ubcb3 \ubb38\uc790\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc2b5\ub2c8\ub2e4. \ud574\ucee4\ub294 \ube44\ubc00\ubc88\ud638\ub97c \ucd94\uce21\ud558\uae30 \uc704\ud574 ‘\uac00\uc7a5 \ub9ce\uc774 \uc0ac\uc6a9\ub41c \uc54c\ud30c\ubcb3’\uc744 \ucc3e\uc544\ub0b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\ubb38\uc81c \uc815\uc758<\/h3>\n
\n\uc785\ub825: \n- N (1 \u2264 N \u2264 1000): \ube44\ubc00\ubc88\ud638\uc758 \uac1c\uc218\n- \ube44\ubc00\ubc88\ud638: \uae38\uc774\ub294 \ucd5c\ub300 50\uc774\uba70, \uc54c\ud30c\ubcb3 \uc18c\ubb38\uc790\ub85c\ub9cc \uc774\ub8e8\uc5b4\uc838 \uc788\uc74c.\n\n\ucd9c\ub825: \n\uac00\uc7a5 \ub9ce\uc774 \uc0ac\uc6a9\ub41c \uc54c\ud30c\ubcb3\uacfc \uadf8 \uac1c\uc218\ub97c \"\uc54c\ud30c\ubcb3: \uac1c\uc218\" \ud615\uc2dd\uc73c\ub85c \ucd9c\ub825\n<\/pre>\n
\uc608\uc81c \uc785\ub825<\/h3>\n
\n5\nabcde\nfghij\nklmno\nabcfg\nhijkl\n<\/pre>\n
\uc608\uc81c \ucd9c\ub825<\/h3>\n
\na: 2\nb: 2\nc: 2\nf: 2\ng: 2\nh: 2\ni: 2\nj: 2\nk: 2\nl: 2\nm: 1\nn: 1\no: 1\n<\/pre>\n
\ubb38\uc81c \ud480\uc774 \uc811\uadfc\ubc95<\/h2>\n
\uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \ub2e4\uc74c\uacfc \uac19\uc740 \uc811\uadfc \ubc29\ubc95\uc744 \uace0\ub824\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n
1\ub2e8\uacc4: \ubb38\uc81c \uc774\ud574 \ubc0f \ubd84\uc11d<\/h3>\n
\uc8fc\uc5b4\uc9c4 \ubb38\uc81c\ub294 \uac01 \ube44\ubc00\ubc88\ud638 \uc548\uc5d0 \ub4f1\uc7a5\ud558\ub294 \uc54c\ud30c\ubcb3\uc758 \ube48\ub3c4\ub97c \uc138\uace0, \uac00\uc7a5 \ub9ce\uc774 \ub4f1\uc7a5\ud55c \uc54c\ud30c\ubcb3\uc744 \ucd9c\ub825\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc785\ub825 \uac1c\uc218\uc640 \uac01 \ube44\ubc00\ubc88\ud638\uc758 \ud2b9\uc9d5\uc744 \uace0\ub824\ud560 \ub54c, \uc774 \ubb38\uc81c\ub294 \uc54c\uace0\ub9ac\uc998\uc801\uc73c\ub85c \uce74\uc6b4\ud305(Counting)<\/strong> \ubc29\ubc95\uc774 \uc801\ud569\ud560 \uac83\uc785\ub2c8\ub2e4. \uce74\uc6b4\ud305\uc744 \ud1b5\ud574 \uac01 \uc54c\ud30c\ubcb3\uc758 \ube48\ub3c4\ub97c \uc138\ub294 \uad6c\uc870\ub97c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
2\ub2e8\uacc4: \ub370\uc774\ud130 \uad6c\uc870 \uc124\uacc4<\/h3>\n
\uc54c\ud30c\ubcb3\uc758 \ube48\ub3c4\ub97c \uc800\uc7a5\ud558\uae30 \uc704\ud574 HashMap<\/code>\uc744 \uc0ac\uc6a9\ud560 \uac83\uc785\ub2c8\ub2e4. HashMap\uc740 \ud0a4-\uac12 \uc30d\uc73c\ub85c \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uba70, \ud0a4\ub294 \uc54c\ud30c\ubcb3 \ubb38\uc790(\u2018a\u2019~\u2018z\u2019)\uc774\uace0 \uac12\uc740 \ud574\ub2f9 \uc54c\ud30c\ubcb3\uc758 \ube48\ub3c4\uc218\uc785\ub2c8\ub2e4. \uc774 \uad6c\uc870\ub97c \ud1b5\ud574 \uac01 \ube44\ubc00\ubc88\ud638\ub97c \uc21c\ud68c\ud558\uba70 \ube48\ub3c4\ub97c \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
3\ub2e8\uacc4: \uc54c\uace0\ub9ac\uc998 \uc124\uacc4<\/h3>\n
\n1. HashMap\uc744 \uc0dd\uc131\ud558\uc5ec \uc54c\ud30c\ubcb3\uc758 \uac1c\uc218\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4.\n2. \uc785\ub825\uc73c\ub85c \uc8fc\uc5b4\uc9c4 \ube44\ubc00\ubc88\ud638\ub97c \uc21c\ud68c\ud569\ub2c8\ub2e4.\n3. \uac01\uac01\uc758 \ube44\ubc00\ubc88\ud638\ub97c \ub2e4\uc2dc \uc21c\ud68c\ud558\uba70 \uc54c\ud30c\ubcb3\uc744 \uce74\uc6b4\ud2b8\ud569\ub2c8\ub2e4.\n4. \ub2e4\uc74c\uacfc \uac19\uc740 \ud615\uc2dd\uc73c\ub85c \uacb0\uacfc \ucd9c\ub825\ud569\ub2c8\ub2e4: \"\uc54c\ud30c\ubcb3: \uac1c\uc218\".\n<\/pre>\n
\uc790\ubc14 \ucf54\ub4dc \uad6c\ud604<\/h2>\n
\uc774\uc81c \uc54c\uace0\ub9ac\uc998\uc740 \uc815\ud574\uc84c\uc73c\ub2c8, \uc774\ub97c \uc790\ubc14 \ucf54\ub4dc\ub85c \uad6c\ud604\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
\nimport java.util.HashMap;\nimport java.util.Map;\nimport java.util.Scanner;\n\npublic class HackerPassword {\n    public static void main(String[] args) {\n        Scanner scanner = new Scanner(System.in);\n        int n = scanner.nextInt();\n        scanner.nextLine(); \/\/ \ubc84\ud37c \ube44\uc6b0\uae30\n\n        Map frequencyMap = new HashMap<>();\n        \n        \/\/ \ube44\ubc00\ubc88\ud638 \uc785\ub825 \ubc0f \uce74\uc6b4\ud305\n        for (int i = 0; i < n; i++) {\n            String password = scanner.nextLine();\n            for (char c : password.toCharArray()) {\n                frequencyMap.put(c, frequencyMap.getOrDefault(c, 0) + 1);\n            }\n        }\n\n        \/\/ \uacb0\uacfc \ucd9c\ub825\n        for (Map.Entry entry : frequencyMap.entrySet()) {\n            System.out.println(entry.getKey() + \": \" + entry.getValue());\n        }\n    }\n}\n<\/character,><\/character,><\/code><\/pre>\n
\ucf54\ub4dc \uc124\uba85<\/h2>\n
\uc704\uc758 \ucf54\ub4dc\ub97c \ub2e8\uacc4\ubcc4\ub85c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n