Merge pull request #1644 from AlgorithmWithGod/JHLEE325

[20251211] BOJ / G2 / 꼬인 전깃줄 / 이준희

Author: ShinHeeEul

JHLEE325/202512/11 BOJ G2 꼬인 전깃줄.md

@@ -0,0 +1,33 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+
+    public static void main(String[] args) throws Exception {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st;
+
+        int N = Integer.parseInt(br.readLine());
+        int[] arr = new int[N];
+
+        st = new StringTokenizer(br.readLine());
+        for (int i = 0; i < N; i++) {
+            arr[i] = Integer.parseInt(st.nextToken());
+        }
+
+        int[] lis = new int[N];
+        int len = 0;
+
+        for (int x : arr) {
+            int pos = Arrays.binarySearch(lis, 0, len, x);
+            if (pos < 0) pos = -(pos + 1);
+
+            lis[pos] = x;
+            if (pos == len) len++;
+        }
+
+        System.out.println(N - len);
+    }
+}
+```