Create boxpattern

C++/boxpattern

@@ -0,0 +1,34 @@
+#include<iostream>
+using namespace std;
+
+int main() {
+    int n, i, j, p;
+    cin >> n;
+    int a[100][100] = {0};
+    int top = 0, btm = 2 * n - 2, lt = 0, rt = 2 * n - 2;
+    int value = n; // New variable to hold the value
+
+    while (value >= 1) {
+        for (i = lt; i <= rt; i++) {
+            a[top][i] = value;
+            a[btm][i] = value;
+        }
+        for (i = top; i <= btm; i++) {
+            a[i][lt] = value;
+            a[i][rt] = value;
+        }
+        top++;
+        btm--;
+        lt++;
+        rt--;
+        value--; // Decrement the value as you move outwards
+    }
+
+    for (i = 0; i < 2 * n - 1; i++) {
+        for (j = 0; j < 2 * n - 1; j++) {
+            cout << a[i][j] << " ";
+        }
+        cout << endl;
+    }
+    return 0;
+}