diff --git "a/Programmers/\354\227\260\354\212\265\353\254\270\354\240\234/LEVEL1/\353\214\200\354\266\251 \353\247\214\353\223\240 \354\236\220\355\214\220/Sanghoo.java" "b/Programmers/\354\227\260\354\212\265\353\254\270\354\240\234/LEVEL1/\353\214\200\354\266\251 \353\247\214\353\223\240 \354\236\220\355\214\220/Sanghoo.java"
new file mode 100644
index 0000000..9ca34e8
--- /dev/null
+++ "b/Programmers/\354\227\260\354\212\265\353\254\270\354\240\234/LEVEL1/\353\214\200\354\266\251 \353\247\214\353\223\240 \354\236\220\355\214\220/Sanghoo.java"	
@@ -0,0 +1,46 @@
+package programmers.대충만든자판;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Sanghoo {
+    public static void main(String[] args) {
+        String[] keyMap = {"BC"};
+        String[] targets = {"AC", "BC"};
+
+        solution(keyMap, targets);
+    }
+
+    public static int[] solution(String[] keymap, String[] targets) {
+        int[] answer = new int[targets.length];
+        Map<Character, Integer> minKeyMap = new HashMap<>();
+
+        // keymap을 역순으로 돌아, Map에 각 키(Key)를 최소한으로 나타낼 수 있는 개수(Value)를 저장해두고 사용한다.
+        for (String key : keymap) {
+            char[] chars = key.toCharArray();
+
+            for (int j = chars.length - 1; j >= 0; j--) {
+                int value = minKeyMap.get(chars[j]) == null ? Integer.MAX_VALUE : minKeyMap.get(chars[j]);
+                minKeyMap.put(chars[j], Math.min(value, j + 1));
+            }
+        }
+
+        for (int i = 0; i < targets.length; i++) {
+            int count = 0;
+            for (char ch : targets[i].toCharArray()) {
+                Integer getVal = minKeyMap.get(ch);
+
+                // target을 만들 수 없을 경우 -1을 저장하고 break
+                if (getVal == null) {
+                    count = -1;
+                    break;
+                }
+                count += getVal;
+            }
+            answer[i] = count;
+        }
+
+        return answer;
+    }
+
+}
diff --git "a/Programmers/\354\227\260\354\212\265\353\254\270\354\240\234/LEVEL2/\354\210\253\354\236\220\354\235\230 \355\221\234\355\230\204/Sanghoo.java" "b/Programmers/\354\227\260\354\212\265\353\254\270\354\240\234/LEVEL2/\354\210\253\354\236\220\354\235\230 \355\221\234\355\230\204/Sanghoo.java"
new file mode 100644
index 0000000..0f0f6aa
--- /dev/null
+++ "b/Programmers/\354\227\260\354\212\265\353\254\270\354\240\234/LEVEL2/\354\210\253\354\236\220\354\235\230 \355\221\234\355\230\204/Sanghoo.java"	
@@ -0,0 +1,29 @@
+package Programmers.숫자의표현;
+
+public class Sanghoo {
+
+    public static void main(String[] args) {
+        solution(15);
+    }
+
+    public static int solution(int n) {
+        int answer = 1;
+
+        for (int i = 1; i < n; i++) {
+            int sum = i;
+
+            for (int j = i + 1; j < n; j++) {
+                sum += j;
+
+                if (sum > n) break;
+                if (sum == n) {
+                    answer++;
+                    break;
+                }
+            }
+        }
+
+        return answer;
+    }
+
+}