Merge pull request #946 from AlgorithmWithGod/LiiNi-coder

[20250921] BOJ / G4 / 줄세우기 / 이인희

Author: ShinHeeEul

LiiNi-coder/202509/21 BOJ 줄세우기.md

@@ -0,0 +1,29 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        int n = Integer.parseInt(br.readLine());
+        int[] arr = new int[n];
+        for (int i = 0; i < n; i++) {
+            arr[i] = Integer.parseInt(br.readLine());
+        }
+
+        int[] dp = new int[n];
+        Arrays.fill(dp, 1);
+        int lis = 1;
+        
+        for (int i = 0; i < n; i++) {
+            for (int j = 0; j < i; j++) {
+                if (arr[j] < arr[i]) {
+                    dp[i] = Math.max(dp[i], dp[j] + 1);
+                }
+            }
+            lis = Math.max(lis, dp[i]);
+        }
+        System.out.println(n - lis);
+    }
+}
+```