[Create] LeetCode_1347 애너그램

Author: holmir97

MakeAnagram.java

@@ -0,0 +1,42 @@
+// Leetcode_1347
+// 2021.04.18
+// Medium
+
+import java.util.HashSet;
+import java.util.Iterator;
+
+public class MakeAnagram {
+    public static void main(String[] args) {
+        System.out.println(new MakeAnagram().minSteps("leetcode","practice"));
+    }
+    public int minSteps(String s, String t) {
+        StringBuilder str1 = new StringBuilder(s);
+        StringBuilder str2 = new StringBuilder(t);
+//        HashSet<Character> set = new HashSet<>();
+
+        if(t.length() == 0)
+            return 0;
+        if(t.length() != s.length())
+            return -1;
+
+//        for (int i = 0; i < str1.length(); i++)
+//            set.add(str1.charAt(i));
+
+//        Iterator<Character> itr = set.iterator();
+        for (int  i= 0; i < str1.length(); i++) {
+            char tmp = str1.charAt(i);
+            if (t.contains(String.valueOf(tmp))) {
+                str2.deleteCharAt(str2.indexOf(String.valueOf(tmp)));
+                t = str2.toString();
+            }
+        }
+
+        HashSet<Character> resultSet = new HashSet<>();
+        if(t.length() != 0){
+            for (int i = 0; i < t.length(); i++)
+                resultSet.add(t.charAt(i));
+        }
+
+        return resultSet.size();
+    }
+}