Pattern Double Sided Arrow solution added

Author: akashmodak97

Hacker Blocks/Pattern Double Sided Arrow.cpp

@@ -0,0 +1,55 @@
+/* Hacker Blocks */
+/* Title - Pattern Double Sided Arrow */
+// Take N as input. For a value of N=7, we wish to draw the following pattern :
+
+//                             1 
+//                         2 1   1 2 
+//                     3 2 1       1 2 3 
+//                 4 3 2 1           1 2 3 4 
+//                     3 2 1       1 2 3 
+//                         2 1   1 2 
+//                             1 
+
+#include<iostream>
+using namespace std;
+int main() {
+    int n;
+    cin>>n;
+    for(int i=1;i<=(n+1)/2;i++){
+        for(int j=1;j<=(2*(n+1-2*i));j++){
+            cout<<" ";
+        }
+        for(int j = i;j>0;j--){
+            cout<<j<<" ";
+        }
+        
+        for(int j=1;j<(4*(i-1)-1);j++){
+            cout<<" ";
+        }
+        if(i>1){
+        for(int j=1;j<=i;j++){
+            cout<<j<<" ";
+        }
+    }
+        cout<<endl;
+    }
+    for(int i=n/2;i>0;i--){
+         for(int j=1;j<=(2*(n+1-2*i));j++){
+            cout<<" ";
+        }
+        for(int j = i;j>0;j--){
+            cout<<j<<" ";
+        }
+        
+        for(int j=1;j<(4*(i-1)-1);j++){
+            cout<<" ";
+        }
+        if(i>1){
+        for(int j=1;j<=i;j++){
+            cout<<j<<" ";
+        }
+        }
+        cout<<endl;
+    }
+	return 0;
+}