From 24e2a80c647bb0073c42e316ff05047e2affe476 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B0=95=EC=8B=A0=EC=A7=80?=
 <101992179+ksinji@users.noreply.github.com>
Date: Tue, 28 Oct 2025 22:38:29 +0900
Subject: [PATCH 1/2] =?UTF-8?q?Create=2028=20PGM=20N=EC=9C=BC=EB=A1=9C=20?=
 =?UTF-8?q?=ED=91=9C=ED=98=84.md?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...4\353\241\234 \355\221\234\355\230\204.md" | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 "ksinji/202510/28 PGM N\354\234\274\353\241\234 \355\221\234\355\230\204.md"

diff --git "a/ksinji/202510/28 PGM N\354\234\274\353\241\234 \355\221\234\355\230\204.md" "b/ksinji/202510/28 PGM N\354\234\274\353\241\234 \355\221\234\355\230\204.md"
new file mode 100644
index 00000000..a5468979
--- /dev/null
+++ "b/ksinji/202510/28 PGM N\354\234\274\353\241\234 \355\221\234\355\230\204.md"	
@@ -0,0 +1,46 @@
+```java
+import java.util.*;
+ 
+class Solution {
+    public int solution(int N, int number) {
+        if (N == number) {
+            return 1;
+        }
+ 
+        List<Set<Integer>> num = new ArrayList<>();
+        for (int i = 0; i <= 8; i++) {
+            num.add(new HashSet<>());
+        }
+ 
+        num.get(1).add(N);
+ 
+        for (int i = 2; i <= 8; i++) {
+            StringBuilder sb = new StringBuilder().append(N);
+            for (int j = 1; j < i; j++) {
+                sb.append(N);
+            }
+            num.get(i).add(Integer.parseInt(sb.toString()));
+            
+            for (int j = 1; j < i; j++) {
+                int k = i - j;
+                for (int num1 : num.get(j)) {
+                    for (int num2 : num.get(k)) {
+                        num.get(i).add(num1 + num2);
+                        num.get(i).add(num1 - num2);
+                        num.get(i).add(num1 * num2);
+                        if (num2 != 0) {
+                            num.get(i).add(num1 / num2);
+                        }
+                    }
+                }
+            }
+ 
+            if (num.get(i).contains(number)) {
+                return i;
+            }
+        }
+ 
+        return -1;
+    }
+}
+```

From 3141625783d106f4d20f2de6d9a4249f94cbf14d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B0=95=EC=8B=A0=EC=A7=80?=
 <101992179+ksinji@users.noreply.github.com>
Date: Tue, 28 Oct 2025 22:50:10 +0900
Subject: [PATCH 2/2] =?UTF-8?q?[20251028]=20PGM=20/=20LV3=20/=20N=EC=9C=BC?=
 =?UTF-8?q?=EB=A1=9C=20=ED=91=9C=ED=98=84=20/=20=EA=B0=95=EC=8B=A0?=
 =?UTF-8?q?=EC=A7=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...28 PGM N\354\234\274\353\241\234 \355\221\234\355\230\204.md" | 1 +
 1 file changed, 1 insertion(+)

diff --git "a/ksinji/202510/28 PGM N\354\234\274\353\241\234 \355\221\234\355\230\204.md" "b/ksinji/202510/28 PGM N\354\234\274\353\241\234 \355\221\234\355\230\204.md"
index a5468979..0f3a40e2 100644
--- "a/ksinji/202510/28 PGM N\354\234\274\353\241\234 \355\221\234\355\230\204.md"	
+++ "b/ksinji/202510/28 PGM N\354\234\274\353\241\234 \355\221\234\355\230\204.md"	
@@ -38,6 +38,7 @@ class Solution {
             if (num.get(i).contains(number)) {
                 return i;
             }
+
         }
  
         return -1;