\uc544..\uc9c0\uacb9\ub2e4. \uac1c\ub150\uc774 \uc5c6\uc73c\ub2c8 \uc0bd\uc9c8\ud558\ub294 \uc2dc\uac04\uc740 \ub9ce\uc544\uc9c0\uace0..<\/p>\n\n\n\n
package programmers5;\n\nimport java.util.HashMap;\nimport java.util.Iterator;\nimport java.util.Set;\n\npublic class Main {\n\tpublic static void main(String[] args) {\n\t\tString[][] clothes = new String[3][2];\n\t\tclothes[0][0] = \"yellow_hat\";\n\t\tclothes[0][1] = \"headgear\";\n\n\t\tclothes[1][0] = \"blue_sunglasses\";\n\t\tclothes[1][1] = \"headgear\";\n\n\t\tclothes[2][0] = \"green_turban\";\n\t\tclothes[2][1] = \"headgear\";\n\n\t\tSolution sol = new Solution();\n\n\t\tsol.solution(clothes);\n\n\t\tSystem.out.println(\"\uc5ec\uae30\");\n\t}\/\/ void main\n\n} \/\/ Main\n\nclass Solution {\n\tpublic int solution(String[][] clothes) {\n\n\t\tSystem.out.println(\"\uc5ec\uae30\");\n\t\tSystem.out.println(clothes.length);\n\n\t\tHashMap<String, Integer> temp = new HashMap<>();\n\t\tfor (int i = 0; i < clothes.length; i++) {\n\t\t\t\/\/ \ub9cc\uc57d contain\ud558\uba74 \uc22b\uc790 \uc99d\uac00.\n\n\t\t\tif (temp.containsKey(clothes[i][1]))\n\t\t\t\ttemp.put(clothes[i][1],temp.get(clothes[i][1])+1);\n\/\/\t\t\ttemp.computeIfPresent(clothes[i][1], arg1);\n\t\t\telse\n\t\t\t\ttemp.put(clothes[i][1], 1);\n\t\t\t\n\t\t}\n\n\t\tSet set = temp.keySet();\n\t\tIterator itr = set.iterator();\n\t\tint tempNum = 1;\n\n\t\twhile (itr.hasNext()) {\n\t\t\tString key = (String) itr.next();\n\t\t\tSystem.out.println(\"key\ub294\" + key);\n\t\t\tSystem.out.println(\"value\ub294\" + temp.get(key));\n\t\t\ttempNum = tempNum * (temp.get(key) + 1);\n\n\t\t}\n\n\t\tSystem.out.println(\"\uc804\uccb4\uc22b\uc790\ub294\" + (tempNum-1));\n\/\/\t\tSystem.out.println(temp.values());\n\n\t\tint answer = tempNum-1;\n\t\treturn answer;\n\t}\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\uc544..\uc9c0\uacb9\ub2e4. \uac1c\ub150\uc774 \uc5c6\uc73c\ub2c8 \uc0bd\uc9c8\ud558\ub294 \uc2dc\uac04\uc740 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